fmt

## Why

This is the next narrow step toward moving concrete tool families out of
core. After #22138 introduced `codex-tool-api`, we still needed a real
end-to-end seam that lets an extension own an executable tool definition
once and have core install it without the temporary `extension-api`
wrapper or a dependency on `codex-tools`.

`codex-tool-api` is the small extension-facing execution contract, while
`codex-tools` still has a different job: host-side shared tool metadata
and planning logic that is not “run this contributed tool”, like spec
shaping, namespaces, discovery, code-mode augmentation, and
MCP/dynamic-to-Responses API conversion

## What changed

- Moved the shared leaf tool-spec and JSON Schema types into
`codex-tool-api`, so the executable contract now lives with
[`ToolBundle`](c538758095/codex-rs/tool-api/src/bundle.rs (L19-L70)).
- Replaced the temporary extension-side tool wrapper with direct
`ToolBundle` use in `codex-extension-api`.
- Taught core to collect contributed bundles, include them in spec
planning, register them through
[`ToolRegistryBuilder::register_tool_bundle`](c538758095/codex-rs/core/src/tools/registry.rs (L653-L667)),
and dispatch them through the existing router/runtime path.
- Added focused coverage for contributed tools becoming model-visible
and dispatchable, plus spec-planning coverage for contributed function
and freeform tools.

## Verification

- Added `extension_tool_bundles_are_model_visible_and_dispatchable` in
`core/src/tools/router_tests.rs`.
- Added spec-plan coverage in `core/src/tools/spec_plan_tests.rs` for
contributed extension bundles.

## Related

- Follow-up to #22138

.codex/skills/codex-issue-digest/SKILL.md

@@ -53,7 +53,7 @@ Use `--window "past week"` or `--window-hours 168` when the user asks for a non-
 ## Summary
 No major issues reported by users.
 
-Source: collector v4, git `abc123def456`, window `2026-04-27T00:00:00Z` to `2026-04-28T00:00:00Z`.
+Source: collector v5, git `abc123def456`, window `2026-04-27T00:00:00Z` to `2026-04-28T00:00:00Z`.
 Want details? I can expand this into the issue table.
 ```
 
@@ -65,7 +65,7 @@ Two issues are being surfaced by users:
 🔥🔥 Terminal launch hangs on startup [1](https://github.com/openai/codex/issues/123)
 🔥 Resume switches model providers unexpectedly [2](https://github.com/openai/codex/issues/456)
 
-Source: collector v4, git `abc123def456`, window `2026-04-27T00:00:00Z` to `2026-04-28T00:00:00Z`.
+Source: collector v5, git `abc123def456`, window `2026-04-27T00:00:00Z` to `2026-04-28T00:00:00Z`.
 Want details? I can expand this into the issue table.
 ```
 5. In `## Details`, when details are requested, include a compact table only when useful:
@@ -76,7 +76,7 @@ Want details? I can expand this into the issue table.
    - A clear quiet/no-concern sentence when there is no meaningful signal.
 6. Use the JSON `attention_marker` exactly. It is empty for normal rows, `🔥` for elevated rows, and `🔥🔥` for very high-attention rows. The actual cutoffs are in `attention_thresholds`.
 7. Use inline numbered references where a row or bullet points to issues, for example `Compaction bugs [1](https://github.com/openai/codex/issues/123), [2](https://github.com/openai/codex/issues/456)`. Do not add a separate footnotes section.
-8. Label `interactions` as `Interactions`; it counts posts/comments/reactions during the requested window, not unique people.
+8. Label `interactions` as `Interactions`; it counts unique human GitHub users who created a new issue, added a new comment, or reacted during the requested window. Multiple posts/reactions from the same user on the same issue count once.
 9. Mention the collector `script_version`, repo checkout `git_head`, and time window in one compact source line. In default mode, put this before the details prompt so the final line still asks whether the user wants details. In details-upfront mode, it can be the footer.
 
 ## Reaction Handling
@@ -89,7 +89,7 @@ GitHub issue search is still seeded by issue `updated_at`, so a purely reaction-
 
 ## Attention Markers
 
-The collector scales attention markers by the requested time window. The baseline is 5 human user interactions for `🔥` and 10 for `🔥🔥` over 24 hours; longer or shorter windows scale those cutoffs linearly and round up. For example, a one-week report uses 35 and 70 interactions. Human user interactions are human-authored new issue posts, human-authored new comments, and human reactions created during the window, including upvotes. Bot posts and bot reactions are excluded. In prose, explain this as high user interaction rather than naming the emoji.
+The collector scales attention markers by the requested time window. The baseline is 5 unique human users for `🔥` and 10 unique human users for `🔥🔥` over 24 hours; longer or shorter windows scale those cutoffs linearly and round up. For example, a one-week report uses 35 and 70 interactions. Unique human users are users who authored a new issue, authored a new comment, or reacted during the window, including upvotes. Multiple actions from the same user on the same issue count once. Bot posts and bot reactions are excluded. In prose, explain this as high user interaction rather than naming the emoji.
 
 ## Freshness
 

.codex/skills/codex-issue-digest/scripts/collect_issue_digest.py

@@ -11,7 +11,7 @@ from datetime import datetime, timedelta, timezone
 from pathlib import Path
 from urllib.parse import quote
 
-SCRIPT_VERSION = 4
+SCRIPT_VERSION = 5
 QUALIFYING_KIND_LABELS = ("bug", "enhancement")
 REACTION_KEYS = ("+1", "-1", "laugh", "hooray", "confused", "heart", "rocket", "eyes")
 BASE_ATTENTION_WINDOW_HOURS = 24.0
@@ -393,9 +393,15 @@ def is_bot_login(login):
     return bool(login) and login.lower().endswith("[bot]")
 
 
-def is_human_user(user_obj):
+def human_login_key(user_obj):
     login = extract_login(user_obj)
-    return bool(login) and not is_bot_login(login)
+    if not login or is_bot_login(login):
+        return ""
+    return login.casefold()
+
+
+def is_human_user(user_obj):
+    return bool(human_login_key(user_obj))
 
 
 def label_names(issue):
@@ -467,22 +473,26 @@ def reaction_summary(item):
 def reaction_event_summary(reactions, since, until):
     counts = {}
     total = 0
+    users = set()
     for reaction in reactions or []:
         if not isinstance(reaction, dict):
             continue
         if not is_in_window(str(reaction.get("created_at") or ""), since, until):
             continue
-        if not is_human_user(reaction.get("user")):
+        user_key = human_login_key(reaction.get("user"))
+        if not user_key:
             continue
         content = str(reaction.get("content") or "")
         if not content:
             continue
         counts[content] = counts.get(content, 0) + 1
         total += 1
+        users.add(user_key)
     return {
         "total": total,
         "counts": counts,
         "upvotes": counts.get("+1", 0),
+        "users": sorted(users, key=str.casefold),
     }
 
 
@@ -618,13 +628,21 @@ def summarize_issue(
     new_comment_reaction_total = sum(
         comment["reaction_total"] for comment in new_comments
     )
-    new_issue_user_interaction = new_issue and is_human_user(issue.get("user"))
+    new_issue_user_key = human_login_key(issue.get("user")) if new_issue else ""
+    new_issue_user_interaction = bool(new_issue_user_key)
     new_comment_user_interactions = sum(
         1 for comment in new_comments if comment["human_user_interaction"]
     )
-    user_interactions = (
-        int(new_issue_user_interaction) + new_comment_user_interactions + new_reactions
+    interaction_user_keys = set(issue_reaction_events_summary["users"])
+    interaction_user_keys.update(comment_reaction_events_summary["users"])
+    if new_issue_user_key:
+        interaction_user_keys.add(new_issue_user_key)
+    interaction_user_keys.update(
+        comment["author"].casefold()
+        for comment in new_comments
+        if comment["human_user_interaction"]
     )
+    user_interactions = len(interaction_user_keys)
     attention_level = attention_level_for(user_interactions, attention_thresholds)
     attention_marker = attention_marker_for(user_interactions, attention_thresholds)
     updated_without_visible_new_post = (
@@ -957,6 +975,7 @@ def collect_digest(args):
             "New issue comments are filtered by comment creation time within the window from the fetched comment set.",
             "Reaction events are counted by GitHub reaction created_at timestamps for hydrated issues and fetched comments.",
             "Current reaction totals are standing engagement signals; new_reactions and new_upvotes are windowed activity.",
+            "user_interactions counts unique human users per issue across new issues, new comments, and new reactions; repeated actions by the same user count once.",
             "The collector does not assign semantic clusters; use summary_inputs as model-ready evidence for report-time clustering.",
             "Pure reaction-only issues may be missed if GitHub issue search does not surface them via updated_at.",
             "Issues updated during the window without a new issue body or new comment are retained because label/status edits can still be useful owner signals.",

.codex/skills/codex-issue-digest/scripts/test_collect_issue_digest.py

@@ -494,6 +494,70 @@ def test_reactions_count_toward_attention_markers():
     assert summary["new_comments"][0]["new_upvotes"] == 0
 
 
+def test_user_interactions_are_deduped_by_human_login():
+    since = collect_issue_digest.parse_timestamp("2026-04-25T00:00:00Z", "--since")
+    until = collect_issue_digest.parse_timestamp("2026-04-26T00:00:00Z", "--until")
+
+    def comment(comment_id, login):
+        return {
+            "id": comment_id,
+            "created_at": f"2026-04-25T0{comment_id + 1}:00:00Z",
+            "updated_at": f"2026-04-25T0{comment_id + 1}:00:00Z",
+            "user": {"login": login},
+            "body": "same issue",
+        }
+
+    def reaction(content, login, created_at="2026-04-25T10:00:00Z"):
+        return {
+            "content": content,
+            "created_at": created_at,
+            "user": {"login": login},
+        }
+
+    issue = {
+        "number": 790,
+        "title": "Repeated pings should not boost attention",
+        "html_url": "https://github.com/openai/codex/issues/790",
+        "state": "open",
+        "created_at": "2026-04-25T01:00:00Z",
+        "updated_at": "2026-04-25T12:00:00Z",
+        "user": {"login": "Alice"},
+        "labels": [{"name": "bug"}, {"name": "tui"}],
+    }
+    comments = [comment(1, "alice"), comment(2, "ALICE"), comment(3, "bob")]
+    comments.append(comment(4, "github-actions[bot]"))
+    issue_reactions = [
+        reaction("+1", "alice"),
+        reaction("rocket", "Alice"),
+        reaction("+1", "bob"),
+        reaction("+1", "github-actions[bot]"),
+        reaction("+1", "carol", created_at="2026-04-24T23:00:00Z"),
+    ]
+    comment_reactions_by_id = {
+        1: [reaction("heart", "alice")],
+        2: [reaction("+1", "bob")],
+        3: [reaction("eyes", "carol")],
+    }
+
+    summary = collect_issue_digest.summarize_issue(
+        issue,
+        comments,
+        ["tui"],
+        since,
+        until,
+        body_chars=100,
+        comment_chars=100,
+        issue_reaction_events=issue_reactions,
+        comment_reactions_by_id=comment_reactions_by_id,
+    )
+
+    assert summary["activity"]["new_human_comments"] == 3
+    assert summary["new_reactions"] == 6
+    assert summary["user_interactions"] == 3
+    assert summary["attention"] is False
+    assert summary["attention_marker"] == ""
+
+
 def test_digest_rows_are_table_ready_with_concise_descriptions():
     rows = collect_issue_digest.digest_rows(
         [

.github/ISSUE_TEMPLATE/3-cli.yml

@@ -2,7 +2,6 @@ name: 💻 CLI Bug
 description: Report an issue in the Codex CLI
 labels:
   - bug
-  - needs triage
 body:
   - type: markdown
     attributes:
@@ -41,9 +40,9 @@ body:
     id: terminal
     attributes:
       label: What terminal emulator and version are you using (if applicable)?
-      description: Also note any multiplexer in use (screen / tmux / zellij)
       description: |
-        E.g, VSCode, Terminal.app, iTerm2, Ghostty, Windows Terminal (WSL / PowerShell)
+        Also note any multiplexer in use (screen / tmux / zellij).
+        E.g., VS Code, Terminal.app, iTerm2, Ghostty, Windows Terminal (WSL / PowerShell)
   - type: textarea
     id: actual
     attributes:

.github/ISSUE_TEMPLATE/5-feature-request.yml

@@ -10,7 +10,7 @@ body:
 
         Before you submit a feature:
         1. Search existing issues for similar features. If you find one, 👍 it rather than opening a new one.
-        2. The Codex team will try to balance the varying needs of the community when prioritizing or rejecting new features. Not all features will be accepted. See [Contributing](https://github.com/openai/codex#contributing) for more details.
+        2. The Codex team will try to balance the varying needs of the community when prioritizing or rejecting new features. Not all features will be accepted. See [Contributing](https://github.com/openai/codex/blob/main/docs/contributing.md) for more details.
 
   - type: input
     id: variant

.github/ISSUE_TEMPLATE/6-docs-issue.yml

@@ -1,6 +1,6 @@
 name: 📗 Documentation Issue
 description: Tell us if there is missing or incorrect documentation
-labels: [docs]
+labels: [documentation]
 body:
   - type: markdown
     attributes:
@@ -24,4 +24,4 @@ body:
   - type: textarea
     attributes:
       label: Where did you find it?
-      description: If possible, please provide the URL(s) where you found this issue.
+      description: If possible, please provide the URL(s) where you found this issue.

.github/dependabot.yaml

@@ -6,25 +6,37 @@ updates:
     directory: .github/actions/codex
     schedule:
       interval: weekly
+    cooldown:
+      default-days: 7
   - package-ecosystem: cargo
     directories:
       - codex-rs
       - codex-rs/*
     schedule:
       interval: weekly
+    cooldown:
+      default-days: 7
   - package-ecosystem: devcontainers
     directory: /
     schedule:
       interval: weekly
+    cooldown:
+      default-days: 7
   - package-ecosystem: docker
     directory: codex-cli
     schedule:
       interval: weekly
+    cooldown:
+      default-days: 7
   - package-ecosystem: github-actions
     directory: /
     schedule:
       interval: weekly
+    cooldown:
+      default-days: 7
   - package-ecosystem: rust-toolchain
     directory: codex-rs
     schedule:
       interval: weekly
+    cooldown:
+      default-days: 7

.github/workflows/bazel.yml

@@ -57,6 +57,9 @@ jobs:
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          persist-credentials: false
 
       - name: Check rusty_v8 MODULE.bazel checksums
         if: matrix.os == 'ubuntu-24.04' && matrix.target == 'x86_64-unknown-linux-gnu'
@@ -149,6 +152,9 @@ jobs:
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          persist-credentials: false
 
       - name: Prepare Bazel CI
         id: prepare_bazel
@@ -232,6 +238,9 @@ jobs:
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          persist-credentials: false
 
       - name: Prepare Bazel CI
         id: prepare_bazel
@@ -319,6 +328,9 @@ jobs:
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          persist-credentials: false
 
       - name: Prepare Bazel CI
         id: prepare_bazel

.github/workflows/blob-size-policy.yml

@@ -10,15 +10,17 @@ jobs:
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
           fetch-depth: 0
+          persist-credentials: false
 
       - name: Determine PR comparison range
         id: range
         shell: bash
         run: |
           set -euo pipefail
-          echo "base=$(git rev-parse HEAD^1)" >> "$GITHUB_OUTPUT"
-          echo "head=$(git rev-parse HEAD^2)" >> "$GITHUB_OUTPUT"
+          echo "base=${{ github.event.pull_request.base.sha }}" >> "$GITHUB_OUTPUT"
+          echo "head=${{ github.event.pull_request.head.sha }}" >> "$GITHUB_OUTPUT"
 
       - name: Check changed blob sizes
         env:

.github/workflows/cargo-deny.yml

@@ -15,6 +15,9 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          persist-credentials: false
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@a0b273b48ed29de4470960879e8381ff45632f26 # 1.93.0

.github/workflows/ci.yml

@@ -13,6 +13,9 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          persist-credentials: false
 
       - name: Verify codex-rs Cargo manifests inherit workspace settings
         run: python3 .github/scripts/verify_cargo_workspace_manifests.py

.github/workflows/codespell.yml

@@ -19,6 +19,9 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          persist-credentials: false
       - name: Annotate locations with typos
         uses: codespell-project/codespell-problem-matcher@b80729f885d32f78a716c2f107b4db1025001c42 # v1.1.0
       - name: Codespell

.github/workflows/issue-deduplicator.yml

@@ -20,6 +20,8 @@ jobs:
       has_matches: ${{ steps.normalize-all.outputs.has_matches }}
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
 
       - name: Prepare Codex inputs
         env:
@@ -156,6 +158,8 @@ jobs:
       has_matches: ${{ steps.normalize-open.outputs.has_matches }}
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
 
       - name: Prepare Codex inputs
         env:

.github/workflows/issue-labeler.yml

@@ -18,6 +18,8 @@ jobs:
       codex_output: ${{ steps.codex.outputs.final-message }}
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
 
       - id: codex
         uses: openai/codex-action@5c3f4ccdb2b8790f73d6b21751ac00e602aa0c02 # v1.7

.github/workflows/rust-ci-full.yml

@@ -7,6 +7,11 @@ on:
   workflow_dispatch:
 
 # CI builds in debug (dev) for faster signal.
+env:
+  # Cargo's libgit2 transport has been flaky on macOS when fetching git
+  # dependencies with nested submodules. Use the system git CLI, which has
+  # better network/proxy behavior and matches Cargo's own suggested fallback.
+  CARGO_NET_GIT_FETCH_WITH_CLI: "true"
 
 jobs:
   # --- CI that doesn't need specific targets ---------------------------------
@@ -18,6 +23,8 @@ jobs:
         working-directory: codex-rs
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - uses: dtolnay/rust-toolchain@a0b273b48ed29de4470960879e8381ff45632f26 # 1.93.0
         with:
           components: rustfmt
@@ -32,13 +39,14 @@ jobs:
         working-directory: codex-rs
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - uses: dtolnay/rust-toolchain@a0b273b48ed29de4470960879e8381ff45632f26 # 1.93.0
       - uses: taiki-e/install-action@44c6d64aa62cd779e873306675c7a58e86d6d532 # v2.62.49
         with:
-          tool: cargo-shear
-          version: 1.11.2
+          tool: cargo-shear@1.11.2
       - name: cargo shear
-        run: cargo shear
+        run: cargo shear --deny-warnings
 
   argument_comment_lint_package:
     name: Argument comment lint package
@@ -48,6 +56,8 @@ jobs:
       DYLINT_LINK_VERSION: 5.0.0
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - uses: dtolnay/rust-toolchain@a0b273b48ed29de4470960879e8381ff45632f26 # 1.93.0
         with:
           toolchain: nightly-2025-09-18
@@ -98,6 +108,8 @@ jobs:
               labels: codex-windows-x64
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - uses: ./.github/actions/setup-bazel-ci
         with:
           target: ${{ runner.os }}
@@ -234,6 +246,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - name: Install Linux build dependencies
         if: ${{ runner.os == 'Linux' }}
         shell: bash
@@ -560,6 +574,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - name: Install Linux build dependencies
         if: ${{ runner.os == 'Linux' }}
         shell: bash
@@ -567,7 +583,7 @@ jobs:
           set -euo pipefail
           if command -v apt-get >/dev/null 2>&1; then
             sudo apt-get update -y
-            sudo DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends pkg-config libcap-dev
+            sudo DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends pkg-config libcap-dev bubblewrap
           fi
 
       # Some integration tests rely on DotSlash being installed.
@@ -722,10 +738,12 @@ jobs:
         shell: bash
         run: |
           set +e
-          if [[ "${{ steps.test.outcome }}" != "success" ]]; then
+          if [[ "${STEPS_TEST_OUTCOME}" != "success" ]]; then
             docker logs codex-remote-test-env || true
           fi
           docker rm -f codex-remote-test-env >/dev/null 2>&1 || true
+        env:
+          STEPS_TEST_OUTCOME: ${{ steps.test.outcome }}
 
       - name: verify tests passed
         if: steps.test.outcome == 'failure'

.github/workflows/rust-ci.yml

@@ -16,7 +16,9 @@ jobs:
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
           fetch-depth: 0
+          persist-credentials: false
       - name: Detect changed paths (no external action)
         id: detect
         shell: bash
@@ -62,6 +64,9 @@ jobs:
         working-directory: codex-rs
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          persist-credentials: false
       - uses: dtolnay/rust-toolchain@a0b273b48ed29de4470960879e8381ff45632f26 # 1.93.0
         with:
           components: rustfmt
@@ -78,13 +83,15 @@ jobs:
         working-directory: codex-rs
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          persist-credentials: false
       - uses: dtolnay/rust-toolchain@a0b273b48ed29de4470960879e8381ff45632f26 # 1.93.0
       - uses: taiki-e/install-action@44c6d64aa62cd779e873306675c7a58e86d6d532 # v2.62.49
         with:
-          tool: cargo-shear
-          version: 1.11.2
+          tool: cargo-shear@1.11.2
       - name: cargo shear
-        run: cargo shear
+        run: cargo shear --deny-warnings
 
   argument_comment_lint_package:
     name: Argument comment lint package
@@ -96,6 +103,9 @@ jobs:
       DYLINT_LINK_VERSION: 5.0.0
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          persist-credentials: false
       - uses: dtolnay/rust-toolchain@a0b273b48ed29de4470960879e8381ff45632f26 # 1.93.0
       - name: Install nightly argument-comment-lint toolchain
         shell: bash
@@ -172,6 +182,9 @@ jobs:
           echo "run=false" >> "$GITHUB_OUTPUT"
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         if: ${{ steps.argument_comment_lint_gate.outputs.run == 'true' }}
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          persist-credentials: false
       - name: Run argument comment lint on codex-rs via Bazel
         if: ${{ steps.argument_comment_lint_gate.outputs.run == 'true' }}
         uses: ./.github/actions/run-argument-comment-lint
@@ -203,20 +216,25 @@ jobs:
 
           # If nothing relevant changed (PR touching only root README, etc.),
           # declare success regardless of other jobs.
-          if [[ '${{ needs.changed.outputs.argument_comment_lint }}' != 'true' && '${{ needs.changed.outputs.codex }}' != 'true' && '${{ needs.changed.outputs.workflows }}' != 'true' ]]; then
+          if [[ "${NEEDS_CHANGED_OUTPUTS_ARGUMENT_COMMENT_LINT}" != 'true' && "${NEEDS_CHANGED_OUTPUTS_CODEX}" != 'true' && "${NEEDS_CHANGED_OUTPUTS_WORKFLOWS}" != 'true' ]]; then
             echo 'No relevant changes -> CI not required.'
             exit 0
           fi
 
-          if [[ '${{ needs.changed.outputs.argument_comment_lint_package }}' == 'true' ]]; then
+          if [[ "${NEEDS_CHANGED_OUTPUTS_ARGUMENT_COMMENT_LINT_PACKAGE}" == 'true' ]]; then
             [[ '${{ needs.argument_comment_lint_package.result }}' == 'success' ]] || { echo 'argument_comment_lint_package failed'; exit 1; }
           fi
 
-          if [[ '${{ needs.changed.outputs.argument_comment_lint }}' == 'true' || '${{ needs.changed.outputs.workflows }}' == 'true' ]]; then
+          if [[ "${NEEDS_CHANGED_OUTPUTS_ARGUMENT_COMMENT_LINT}" == 'true' || "${NEEDS_CHANGED_OUTPUTS_WORKFLOWS}" == 'true' ]]; then
             [[ '${{ needs.argument_comment_lint_prebuilt.result }}' == 'success' ]] || { echo 'argument_comment_lint_prebuilt failed'; exit 1; }
           fi
 
-          if [[ '${{ needs.changed.outputs.codex }}' == 'true' || '${{ needs.changed.outputs.workflows }}' == 'true' ]]; then
+          if [[ "${NEEDS_CHANGED_OUTPUTS_CODEX}" == 'true' || "${NEEDS_CHANGED_OUTPUTS_WORKFLOWS}" == 'true' ]]; then
             [[ '${{ needs.general.result }}' == 'success' ]] || { echo 'general failed'; exit 1; }
             [[ '${{ needs.cargo_shear.result }}' == 'success' ]] || { echo 'cargo_shear failed'; exit 1; }
           fi
+        env:
+          NEEDS_CHANGED_OUTPUTS_ARGUMENT_COMMENT_LINT: ${{ needs.changed.outputs.argument_comment_lint }}
+          NEEDS_CHANGED_OUTPUTS_CODEX: ${{ needs.changed.outputs.codex }}
+          NEEDS_CHANGED_OUTPUTS_WORKFLOWS: ${{ needs.changed.outputs.workflows }}
+          NEEDS_CHANGED_OUTPUTS_ARGUMENT_COMMENT_LINT_PACKAGE: ${{ needs.changed.outputs.argument_comment_lint_package }}

.github/workflows/rust-release-argument-comment-lint.yml

@@ -57,6 +57,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
 
       - uses: dtolnay/rust-toolchain@a0b273b48ed29de4470960879e8381ff45632f26 # 1.93.0
         with:

.github/workflows/rust-release-prepare.yml

@@ -22,6 +22,7 @@ jobs:
         with:
           ref: main
           fetch-depth: 0
+          persist-credentials: false
 
       - name: Update models.json
         env:

.github/workflows/rust-release-windows.yml

@@ -84,6 +84,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - name: Print runner specs (Windows)
         shell: powershell
         run: |
@@ -166,6 +168,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
 
       - name: Download prebuilt Windows primary binaries
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1

.github/workflows/rust-release-zsh.yml

@@ -46,6 +46,8 @@ jobs:
             libncursesw5-dev
 
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
 
       - name: Build, smoke-test, and stage zsh artifact
         shell: bash
@@ -82,6 +84,8 @@ jobs:
           fi
 
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
 
       - name: Build, smoke-test, and stage zsh artifact
         shell: bash

.github/workflows/rust-release.yml

@@ -20,6 +20,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - uses: dtolnay/rust-toolchain@a0b273b48ed29de4470960879e8381ff45632f26 # 1.93.0
       - name: Validate tag matches Cargo.toml version
         shell: bash
@@ -119,6 +121,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
       - name: Print runner specs (Linux)
         if: ${{ runner.os == 'Linux' }}
         shell: bash
@@ -184,6 +188,7 @@ jobs:
         uses: mlugg/setup-zig@d1434d08867e3ee9daa34448df10607b98908d29 # v2.2.1
         with:
           version: 0.14.0
+          use-cache: false
 
       - if: ${{ matrix.target == 'x86_64-unknown-linux-musl' || matrix.target == 'aarch64-unknown-linux-musl'}}
         name: Install musl build tools
@@ -477,6 +482,8 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
 
       - name: Generate release notes from tag commit message
         id: release_notes

.github/workflows/rusty-v8-release.yml

@@ -18,6 +18,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
 
       - name: Set up Python
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
@@ -70,6 +72,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
 
       - name: Set up Bazel
         uses: ./.github/actions/setup-bazel-ci

.github/workflows/sdk.yml

@@ -14,6 +14,9 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          persist-credentials: false
 
       - name: Install Linux bwrap build dependencies
         shell: bash

.github/workflows/v8-canary.yml

@@ -41,6 +41,9 @@ jobs:
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          persist-credentials: false
 
       - name: Set up Python
         uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
@@ -75,6 +78,9 @@ jobs:
 
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          persist-credentials: false
 
       - name: Set up Bazel
         uses: ./.github/actions/setup-bazel-ci

AGENTS.md

@@ -26,7 +26,7 @@ In the codex-rs folder where the rust code lives:
   - Implementations may still use `async fn foo(&self, ...) -> T` when they satisfy that contract.
   - Do not use `#[allow(async_fn_in_trait)]` as a shortcut around spelling the future contract explicitly.
 - When writing tests, prefer comparing the equality of entire objects over fields one by one.
-- When making a change that adds or changes an API, ensure that the documentation in the `docs/` folder is up to date if applicable.
+- Do not add general product or user-facing documentation to the `docs/` folder. The official Codex documentation lives elsewhere. The exception is app-server API documentation, which is covered by the app-server guidance below.
 - Prefer private modules and explicitly exported public crate API.
 - If you change `ConfigToml` or nested config types, run `just write-config-schema` to update `codex-rs/core/config.schema.json`.
 - When working with MCP tool calls, prefer using `codex-rs/codex-mcp/src/mcp_connection_manager.rs` to handle mutation of tools and tool calls. Aim to minimize the footprint of changes and leverage existing abstractions rather than plumbing code through multiple levels of function calls.
@@ -130,7 +130,7 @@ When UI or text output changes intentionally, update the snapshots as follows:
 
 If you don’t have the tool:
 
-- `cargo install cargo-insta`
+- `cargo install --locked cargo-insta`
 
 ### Test assertions
 
@@ -210,7 +210,7 @@ These guidelines apply to app-server protocol work in `codex-rs`, especially:
 
 ### Development Workflow
 
-- Update docs/examples when API behavior changes (at minimum `app-server/README.md`).
+- Update app-server docs/examples when API behavior changes (at minimum `app-server/README.md`).
 - Regenerate schema fixtures when API shapes change:
   `just write-app-server-schema`
   (and `just write-app-server-schema --experimental` when experimental API fixtures are affected).

MODULE.bazel.lock

@@ -665,6 +665,7 @@
       "aws-lc-rs_1.16.2": "{\"dependencies\":[{\"name\":\"aws-lc-fips-sys\",\"optional\":true,\"req\":\"^0.13.1\"},{\"default_features\":false,\"name\":\"aws-lc-sys\",\"optional\":true,\"req\":\"^0.39.0\"},{\"features\":[\"derive\"],\"kind\":\"dev\",\"name\":\"clap\",\"req\":\"^4.4\"},{\"kind\":\"dev\",\"name\":\"hex\",\"req\":\"^0.4.3\"},{\"kind\":\"dev\",\"name\":\"lazy_static\",\"req\":\"^1.5.0\"},{\"kind\":\"dev\",\"name\":\"paste\",\"req\":\"^1.0.15\"},{\"kind\":\"dev\",\"name\":\"regex\",\"req\":\"^1.11.1\"},{\"name\":\"untrusted\",\"optional\":true,\"req\":\"^0.7.1\"},{\"name\":\"zeroize\",\"req\":\"^1.8.1\"}],\"features\":{\"alloc\":[],\"asan\":[\"aws-lc-sys?/asan\",\"aws-lc-fips-sys?/asan\"],\"bindgen\":[\"aws-lc-sys?/bindgen\",\"aws-lc-fips-sys?/bindgen\"],\"default\":[\"aws-lc-sys\",\"alloc\",\"ring-io\",\"ring-sig-verify\"],\"dev-tests-only\":[],\"fips\":[\"dep:aws-lc-fips-sys\"],\"non-fips\":[\"aws-lc-sys\"],\"prebuilt-nasm\":[\"aws-lc-sys?/prebuilt-nasm\"],\"ring-io\":[\"dep:untrusted\"],\"ring-sig-verify\":[\"dep:untrusted\"],\"test_logging\":[],\"unstable\":[]}}",
       "aws-lc-sys_0.39.0": "{\"dependencies\":[{\"kind\":\"build\",\"name\":\"bindgen\",\"optional\":true,\"req\":\"^0.72.0\"},{\"features\":[\"parallel\"],\"kind\":\"build\",\"name\":\"cc\",\"req\":\"^1.2.26\"},{\"kind\":\"build\",\"name\":\"cmake\",\"req\":\"^0.1.54\"},{\"kind\":\"build\",\"name\":\"dunce\",\"req\":\"^1.0.5\"},{\"kind\":\"build\",\"name\":\"fs_extra\",\"req\":\"^1.3.0\"}],\"features\":{\"all-bindings\":[],\"asan\":[],\"bindgen\":[\"dep:bindgen\"],\"default\":[\"all-bindings\"],\"disable-prebuilt-nasm\":[],\"fips\":[\"dep:bindgen\"],\"prebuilt-nasm\":[],\"ssl\":[\"bindgen\",\"all-bindings\"]}}",
       "aws-runtime_1.5.17": "{\"dependencies\":[{\"kind\":\"dev\",\"name\":\"arbitrary\",\"req\":\"^1.3\"},{\"name\":\"aws-credential-types\",\"req\":\"^1.2.11\"},{\"features\":[\"test-util\"],\"kind\":\"dev\",\"name\":\"aws-credential-types\",\"req\":\"^1.2.11\"},{\"features\":[\"http0-compat\"],\"name\":\"aws-sigv4\",\"req\":\"^1.3.7\"},{\"name\":\"aws-smithy-async\",\"req\":\"^1.2.7\"},{\"features\":[\"test-util\"],\"kind\":\"dev\",\"name\":\"aws-smithy-async\",\"req\":\"^1.2.7\"},{\"name\":\"aws-smithy-eventstream\",\"optional\":true,\"req\":\"^0.60.14\"},{\"name\":\"aws-smithy-http\",\"req\":\"^0.62.6\"},{\"kind\":\"dev\",\"name\":\"aws-smithy-protocol-test\",\"req\":\"^0.63.7\"},{\"features\":[\"client\"],\"name\":\"aws-smithy-runtime\",\"req\":\"^1.9.5\"},{\"features\":[\"client\"],\"name\":\"aws-smithy-runtime-api\",\"req\":\"^1.9.3\"},{\"features\":[\"test-util\"],\"kind\":\"dev\",\"name\":\"aws-smithy-runtime-api\",\"req\":\"^1.9.3\"},{\"name\":\"aws-smithy-types\",\"req\":\"^1.3.5\"},{\"features\":[\"test-util\"],\"kind\":\"dev\",\"name\":\"aws-smithy-types\",\"req\":\"^1.3.5\"},{\"name\":\"aws-types\",\"req\":\"^1.3.11\"},{\"name\":\"bytes\",\"req\":\"^1.10.0\"},{\"kind\":\"dev\",\"name\":\"bytes-utils\",\"req\":\"^0.1.2\"},{\"kind\":\"dev\",\"name\":\"convert_case\",\"req\":\"^0.6.0\"},{\"name\":\"fastrand\",\"req\":\"^2.3.0\"},{\"default_features\":false,\"kind\":\"dev\",\"name\":\"futures-util\",\"req\":\"^0.3.29\"},{\"name\":\"http-02x\",\"package\":\"http\",\"req\":\"^0.2.9\"},{\"name\":\"http-1x\",\"optional\":true,\"package\":\"http\",\"req\":\"^1.1.0\"},{\"name\":\"http-body-04x\",\"package\":\"http-body\",\"req\":\"^0.4.5\"},{\"name\":\"http-body-1x\",\"optional\":true,\"package\":\"http-body\",\"req\":\"^1.0.0\"},{\"name\":\"percent-encoding\",\"req\":\"^2.3.1\"},{\"name\":\"pin-project-lite\",\"req\":\"^0.2.14\"},{\"kind\":\"dev\",\"name\":\"proptest\",\"req\":\"^1.2\"},{\"name\":\"regex-lite\",\"optional\":true,\"req\":\"^0.1.5\"},{\"features\":[\"derive\"],\"kind\":\"dev\",\"name\":\"serde\",\"req\":\"^1\"},{\"kind\":\"dev\",\"name\":\"serde_json\",\"req\":\"^1\"},{\"features\":[\"macros\",\"rt\",\"time\"],\"kind\":\"dev\",\"name\":\"tokio\",\"req\":\"^1.23.1\"},{\"name\":\"tracing\",\"req\":\"^0.1.40\"},{\"features\":[\"env-filter\"],\"kind\":\"dev\",\"name\":\"tracing-subscriber\",\"req\":\"^0.3.17\"},{\"kind\":\"dev\",\"name\":\"tracing-test\",\"req\":\"^0.2.4\"},{\"name\":\"uuid\",\"req\":\"^1\"}],\"features\":{\"event-stream\":[\"dep:aws-smithy-eventstream\",\"aws-sigv4/sign-eventstream\"],\"http-02x\":[],\"http-1x\":[\"dep:http-1x\",\"dep:http-body-1x\"],\"sigv4a\":[\"aws-sigv4/sigv4a\"],\"test-util\":[\"dep:regex-lite\"]}}",
+      "aws-sdk-signin_1.2.0": "{\"dependencies\":[{\"name\":\"aws-credential-types\",\"req\":\"^1.2.11\"},{\"features\":[\"test-util\"],\"kind\":\"dev\",\"name\":\"aws-credential-types\",\"req\":\"^1.2.11\"},{\"name\":\"aws-runtime\",\"req\":\"^1.5.17\"},{\"name\":\"aws-smithy-async\",\"req\":\"^1.2.7\"},{\"name\":\"aws-smithy-http\",\"req\":\"^0.62.6\"},{\"name\":\"aws-smithy-json\",\"req\":\"^0.61.8\"},{\"features\":[\"client\"],\"name\":\"aws-smithy-runtime\",\"req\":\"^1.9.5\"},{\"features\":[\"client\",\"http-02x\"],\"name\":\"aws-smithy-runtime-api\",\"req\":\"^1.9.3\"},{\"name\":\"aws-smithy-types\",\"req\":\"^1.3.5\"},{\"name\":\"aws-types\",\"req\":\"^1.3.11\"},{\"name\":\"bytes\",\"req\":\"^1.4.0\"},{\"name\":\"fastrand\",\"req\":\"^2.0.0\"},{\"name\":\"http\",\"req\":\"^0.2.9\"},{\"kind\":\"dev\",\"name\":\"proptest\",\"req\":\"^1\"},{\"name\":\"regex-lite\",\"req\":\"^0.1.5\"},{\"features\":[\"macros\",\"test-util\",\"rt-multi-thread\"],\"kind\":\"dev\",\"name\":\"tokio\",\"req\":\"^1.23.1\"},{\"name\":\"tracing\",\"req\":\"^0.1\"}],\"features\":{\"behavior-version-latest\":[],\"default\":[\"rustls\",\"default-https-client\",\"rt-tokio\"],\"default-https-client\":[\"aws-smithy-runtime/default-https-client\"],\"gated-tests\":[],\"rt-tokio\":[\"aws-smithy-async/rt-tokio\",\"aws-smithy-types/rt-tokio\"],\"rustls\":[\"aws-smithy-runtime/tls-rustls\"],\"test-util\":[\"aws-credential-types/test-util\",\"aws-smithy-runtime/test-util\"]}}",
       "aws-sdk-sso_1.91.0": "{\"dependencies\":[{\"name\":\"aws-credential-types\",\"req\":\"^1.2.11\"},{\"features\":[\"test-util\"],\"kind\":\"dev\",\"name\":\"aws-credential-types\",\"req\":\"^1.2.11\"},{\"name\":\"aws-runtime\",\"req\":\"^1.5.17\"},{\"name\":\"aws-smithy-async\",\"req\":\"^1.2.7\"},{\"name\":\"aws-smithy-http\",\"req\":\"^0.62.6\"},{\"name\":\"aws-smithy-json\",\"req\":\"^0.61.8\"},{\"features\":[\"client\"],\"name\":\"aws-smithy-runtime\",\"req\":\"^1.9.5\"},{\"features\":[\"client\",\"http-02x\"],\"name\":\"aws-smithy-runtime-api\",\"req\":\"^1.9.3\"},{\"name\":\"aws-smithy-types\",\"req\":\"^1.3.5\"},{\"name\":\"aws-types\",\"req\":\"^1.3.11\"},{\"name\":\"bytes\",\"req\":\"^1.4.0\"},{\"name\":\"fastrand\",\"req\":\"^2.0.0\"},{\"name\":\"http\",\"req\":\"^0.2.9\"},{\"kind\":\"dev\",\"name\":\"proptest\",\"req\":\"^1\"},{\"name\":\"regex-lite\",\"req\":\"^0.1.5\"},{\"features\":[\"macros\",\"test-util\",\"rt-multi-thread\"],\"kind\":\"dev\",\"name\":\"tokio\",\"req\":\"^1.23.1\"},{\"name\":\"tracing\",\"req\":\"^0.1\"}],\"features\":{\"behavior-version-latest\":[],\"default\":[\"rustls\",\"default-https-client\",\"rt-tokio\"],\"default-https-client\":[\"aws-smithy-runtime/default-https-client\"],\"gated-tests\":[],\"rt-tokio\":[\"aws-smithy-async/rt-tokio\",\"aws-smithy-types/rt-tokio\"],\"rustls\":[\"aws-smithy-runtime/tls-rustls\"],\"test-util\":[\"aws-credential-types/test-util\",\"aws-smithy-runtime/test-util\"]}}",
       "aws-sdk-ssooidc_1.93.0": "{\"dependencies\":[{\"name\":\"aws-credential-types\",\"req\":\"^1.2.11\"},{\"features\":[\"test-util\"],\"kind\":\"dev\",\"name\":\"aws-credential-types\",\"req\":\"^1.2.11\"},{\"name\":\"aws-runtime\",\"req\":\"^1.5.17\"},{\"name\":\"aws-smithy-async\",\"req\":\"^1.2.7\"},{\"name\":\"aws-smithy-http\",\"req\":\"^0.62.6\"},{\"name\":\"aws-smithy-json\",\"req\":\"^0.61.8\"},{\"features\":[\"client\"],\"name\":\"aws-smithy-runtime\",\"req\":\"^1.9.5\"},{\"features\":[\"client\",\"http-02x\"],\"name\":\"aws-smithy-runtime-api\",\"req\":\"^1.9.3\"},{\"name\":\"aws-smithy-types\",\"req\":\"^1.3.5\"},{\"name\":\"aws-types\",\"req\":\"^1.3.11\"},{\"name\":\"bytes\",\"req\":\"^1.4.0\"},{\"name\":\"fastrand\",\"req\":\"^2.0.0\"},{\"name\":\"http\",\"req\":\"^0.2.9\"},{\"kind\":\"dev\",\"name\":\"proptest\",\"req\":\"^1\"},{\"name\":\"regex-lite\",\"req\":\"^0.1.5\"},{\"features\":[\"macros\",\"test-util\",\"rt-multi-thread\"],\"kind\":\"dev\",\"name\":\"tokio\",\"req\":\"^1.23.1\"},{\"name\":\"tracing\",\"req\":\"^0.1\"}],\"features\":{\"behavior-version-latest\":[],\"default\":[\"rustls\",\"default-https-client\",\"rt-tokio\"],\"default-https-client\":[\"aws-smithy-runtime/default-https-client\"],\"gated-tests\":[],\"rt-tokio\":[\"aws-smithy-async/rt-tokio\",\"aws-smithy-types/rt-tokio\"],\"rustls\":[\"aws-smithy-runtime/tls-rustls\"],\"test-util\":[\"aws-credential-types/test-util\",\"aws-smithy-runtime/test-util\"]}}",
       "aws-sdk-sts_1.95.0": "{\"dependencies\":[{\"name\":\"aws-credential-types\",\"req\":\"^1.2.11\"},{\"features\":[\"test-util\"],\"kind\":\"dev\",\"name\":\"aws-credential-types\",\"req\":\"^1.2.11\"},{\"name\":\"aws-runtime\",\"req\":\"^1.5.17\"},{\"features\":[\"test-util\"],\"kind\":\"dev\",\"name\":\"aws-runtime\",\"req\":\"^1.5.17\"},{\"name\":\"aws-smithy-async\",\"req\":\"^1.2.7\"},{\"features\":[\"test-util\"],\"kind\":\"dev\",\"name\":\"aws-smithy-async\",\"req\":\"^1.2.7\"},{\"name\":\"aws-smithy-http\",\"req\":\"^0.62.6\"},{\"features\":[\"test-util\",\"wire-mock\"],\"kind\":\"dev\",\"name\":\"aws-smithy-http-client\",\"req\":\"^1.1.5\"},{\"name\":\"aws-smithy-json\",\"req\":\"^0.61.8\"},{\"kind\":\"dev\",\"name\":\"aws-smithy-protocol-test\",\"req\":\"^0.63.7\"},{\"name\":\"aws-smithy-query\",\"req\":\"^0.60.9\"},{\"features\":[\"client\"],\"name\":\"aws-smithy-runtime\",\"req\":\"^1.9.5\"},{\"features\":[\"test-util\"],\"kind\":\"dev\",\"name\":\"aws-smithy-runtime\",\"req\":\"^1.9.5\"},{\"features\":[\"client\",\"http-02x\"],\"name\":\"aws-smithy-runtime-api\",\"req\":\"^1.9.3\"},{\"features\":[\"test-util\"],\"kind\":\"dev\",\"name\":\"aws-smithy-runtime-api\",\"req\":\"^1.9.3\"},{\"name\":\"aws-smithy-types\",\"req\":\"^1.3.5\"},{\"features\":[\"test-util\"],\"kind\":\"dev\",\"name\":\"aws-smithy-types\",\"req\":\"^1.3.5\"},{\"name\":\"aws-smithy-xml\",\"req\":\"^0.60.13\"},{\"name\":\"aws-types\",\"req\":\"^1.3.11\"},{\"name\":\"fastrand\",\"req\":\"^2.0.0\"},{\"default_features\":false,\"features\":[\"alloc\"],\"kind\":\"dev\",\"name\":\"futures-util\",\"req\":\"^0.3.25\"},{\"name\":\"http\",\"req\":\"^0.2.9\"},{\"kind\":\"dev\",\"name\":\"http-1x\",\"package\":\"http\",\"req\":\"^1\"},{\"kind\":\"dev\",\"name\":\"proptest\",\"req\":\"^1\"},{\"name\":\"regex-lite\",\"req\":\"^0.1.5\"},{\"kind\":\"dev\",\"name\":\"serde_json\",\"req\":\"^1.0.0\"},{\"features\":[\"macros\",\"test-util\",\"rt-multi-thread\"],\"kind\":\"dev\",\"name\":\"tokio\",\"req\":\"^1.23.1\"},{\"name\":\"tracing\",\"req\":\"^0.1\"},{\"features\":[\"env-filter\",\"json\"],\"kind\":\"dev\",\"name\":\"tracing-subscriber\",\"req\":\"^0.3.16\"}],\"features\":{\"behavior-version-latest\":[],\"default\":[\"rustls\",\"default-https-client\",\"rt-tokio\"],\"default-https-client\":[\"aws-smithy-runtime/default-https-client\"],\"gated-tests\":[],\"rt-tokio\":[\"aws-smithy-async/rt-tokio\",\"aws-smithy-types/rt-tokio\"],\"rustls\":[\"aws-smithy-runtime/tls-rustls\"],\"test-util\":[\"aws-credential-types/test-util\",\"aws-smithy-runtime/test-util\"]}}",

codex-rs/Cargo.lock

@@ -757,6 +757,7 @@ checksum = "96571e6996817bf3d58f6b569e4b9fd2e9d2fcf9f7424eed07b2ce9bb87535e5"
 dependencies = [
  "aws-credential-types",
  "aws-runtime",
+ "aws-sdk-signin",
  "aws-sdk-sso",
  "aws-sdk-ssooidc",
  "aws-sdk-sts",
@@ -767,15 +768,20 @@ dependencies = [
  "aws-smithy-runtime-api",
  "aws-smithy-types",
  "aws-types",
+ "base64-simd",
  "bytes",
  "fastrand",
  "hex",
  "http 1.4.0",
+ "p256",
+ "rand 0.8.5",
  "ring",
+ "sha2",
  "time",
  "tokio",
  "tracing",
  "url",
+ "uuid",
  "zeroize",
 ]
 
@@ -838,6 +844,28 @@ dependencies = [
  "uuid",
 ]
 
+[[package]]
+name = "aws-sdk-signin"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c084bd63941916e1348cb8d9e05ac2e49bdd40a380e9167702683184c6c6be53"
+dependencies = [
+ "aws-credential-types",
+ "aws-runtime",
+ "aws-smithy-async",
+ "aws-smithy-http",
+ "aws-smithy-json",
+ "aws-smithy-runtime",
+ "aws-smithy-runtime-api",
+ "aws-smithy-types",
+ "aws-types",
+ "bytes",
+ "fastrand",
+ "http 0.2.12",
+ "regex-lite",
+ "tracing",
+]
+
 [[package]]
 name = "aws-sdk-sso"
 version = "1.91.0"
@@ -1867,11 +1895,14 @@ dependencies = [
  "codex-core",
  "codex-core-plugins",
  "codex-exec-server",
+ "codex-extension-api",
  "codex-external-agent-migration",
  "codex-external-agent-sessions",
  "codex-features",
  "codex-feedback",
  "codex-file-search",
+ "codex-file-watcher",
+ "codex-git-attribution",
  "codex-git-utils",
  "codex-hooks",
  "codex-login",
@@ -1951,6 +1982,26 @@ dependencies = [
  "url",
 ]
 
+[[package]]
+name = "codex-app-server-daemon"
+version = "0.0.0"
+dependencies = [
+ "anyhow",
+ "codex-app-server-protocol",
+ "codex-app-server-transport",
+ "codex-core",
+ "codex-uds",
+ "futures",
+ "libc",
+ "pretty_assertions",
+ "reqwest",
+ "serde",
+ "serde_json",
+ "tempfile",
+ "tokio",
+ "tokio-tungstenite",
+]
+
 [[package]]
 name = "codex-app-server-protocol"
 version = "0.0.0"
@@ -2178,6 +2229,7 @@ dependencies = [
  "clap",
  "clap_complete",
  "codex-app-server",
+ "codex-app-server-daemon",
  "codex-app-server-protocol",
  "codex-app-server-test-client",
  "codex-arg0",
@@ -2413,7 +2465,11 @@ dependencies = [
  "codex-app-server-protocol",
  "pretty_assertions",
  "serde",
+ "serde_json",
+ "sha1",
+ "tempfile",
  "tokio",
+ "tracing",
  "urlencoding",
 ]
 
@@ -2443,6 +2499,7 @@ dependencies = [
  "codex-core-skills",
  "codex-exec-server",
  "codex-execpolicy",
+ "codex-extension-api",
  "codex-features",
  "codex-feedback",
  "codex-git-utils",
@@ -2468,6 +2525,7 @@ dependencies = [
  "codex-terminal-detection",
  "codex-test-binary-support",
  "codex-thread-store",
+ "codex-tool-api",
  "codex-tools",
  "codex-utils-absolute-path",
  "codex-utils-cache",
@@ -2498,7 +2556,6 @@ dependencies = [
  "insta",
  "libc",
  "maplit",
- "notify",
  "once_cell",
  "openssl-sys",
  "opentelemetry",
@@ -2547,6 +2604,7 @@ dependencies = [
  "codex-config",
  "codex-core",
  "codex-exec-server",
+ "codex-extension-api",
  "codex-features",
  "codex-login",
  "codex-model-provider-info",
@@ -2705,13 +2763,13 @@ dependencies = [
  "serde",
  "serde_json",
  "serial_test",
- "sha2",
  "tempfile",
  "test-case",
  "thiserror 2.0.18",
  "tokio",
  "tokio-tungstenite",
  "tokio-util",
+ "toml 0.9.11+spec-1.1.0",
  "tracing",
  "uuid",
  "wiremock",
@@ -2763,6 +2821,14 @@ dependencies = [
  "syn 2.0.114",
 ]
 
+[[package]]
+name = "codex-extension-api"
+version = "0.0.0"
+dependencies = [
+ "codex-protocol",
+ "codex-tool-api",
+]
+
 [[package]]
 name = "codex-external-agent-migration"
 version = "0.0.0"
@@ -2841,6 +2907,27 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "codex-file-watcher"
+version = "0.0.0"
+dependencies = [
+ "notify",
+ "pretty_assertions",
+ "tempfile",
+ "tokio",
+ "tracing",
+]
+
+[[package]]
+name = "codex-git-attribution"
+version = "0.0.0"
+dependencies = [
+ "codex-core",
+ "codex-extension-api",
+ "codex-features",
+ "pretty_assertions",
+]
+
 [[package]]
 name = "codex-git-utils"
 version = "0.0.0"
@@ -3026,6 +3113,7 @@ dependencies = [
  "codex-config",
  "codex-core",
  "codex-exec-server",
+ "codex-extension-api",
  "codex-login",
  "codex-protocol",
  "codex-shell-command",
@@ -3302,7 +3390,6 @@ dependencies = [
  "codex-utils-absolute-path",
  "codex-utils-image",
  "codex-utils-string",
- "codex-utils-template",
  "encoding_rs",
  "globset",
  "http 1.4.0",
@@ -3609,20 +3696,24 @@ dependencies = [
  "codex-rollout",
  "codex-state",
  "pretty_assertions",
- "prost 0.14.3",
  "serde",
  "serde_json",
  "tempfile",
  "thiserror 2.0.18",
  "tokio",
- "tokio-stream",
- "tonic",
- "tonic-prost",
- "tonic-prost-build",
  "tracing",
  "uuid",
 ]
 
+[[package]]
+name = "codex-tool-api"
+version = "0.0.0"
+dependencies = [
+ "pretty_assertions",
+ "serde_json",
+ "thiserror 2.0.18",
+]
+
 [[package]]
 name = "codex-tools"
 version = "0.0.0"
@@ -4239,6 +4330,7 @@ dependencies = [
  "codex-config",
  "codex-core",
  "codex-exec-server",
+ "codex-extension-api",
  "codex-features",
  "codex-hooks",
  "codex-login",

codex-rs/Cargo.toml

@@ -11,6 +11,7 @@ members = [
     "async-utils",
     "app-server",
     "app-server-transport",
+    "app-server-daemon",
     "app-server-client",
     "app-server-protocol",
     "app-server-test-client",
@@ -44,10 +45,13 @@ members = [
     "exec-server",
     "execpolicy",
     "execpolicy-legacy",
+    "ext/extension-api",
+    "ext/git-attribution",
     "external-agent-migration",
     "external-agent-sessions",
     "keyring-store",
     "file-search",
+    "file-watcher",
     "linux-sandbox",
     "lmstudio",
     "login",
@@ -104,6 +108,7 @@ members = [
     "test-binary-support",
     "thread-manager-sample",
     "thread-store",
+    "tool-api",
     "uds",
     "codex-experimental-api-macros",
     "plugin",
@@ -131,6 +136,7 @@ codex-api = { path = "codex-api" }
 codex-aws-auth = { path = "aws-auth" }
 codex-app-server = { path = "app-server" }
 codex-app-server-transport = { path = "app-server-transport" }
+codex-app-server-daemon = { path = "app-server-daemon" }
 codex-app-server-client = { path = "app-server-client" }
 codex-app-server-protocol = { path = "app-server-protocol" }
 codex-app-server-test-client = { path = "app-server-test-client" }
@@ -157,6 +163,8 @@ codex-exec = { path = "exec" }
 codex-file-system = { path = "file-system" }
 codex-exec-server = { path = "exec-server" }
 codex-execpolicy = { path = "execpolicy" }
+codex-extension-api = { path = "ext/extension-api" }
+codex-git-attribution = { path = "ext/git-attribution" }
 codex-external-agent-migration = { path = "external-agent-migration" }
 codex-external-agent-sessions = { path = "external-agent-sessions" }
 codex-experimental-api-macros = { path = "codex-experimental-api-macros" }
@@ -164,6 +172,7 @@ codex-features = { path = "features" }
 codex-feedback = { path = "feedback" }
 codex-install-context = { path = "install-context" }
 codex-file-search = { path = "file-search" }
+codex-file-watcher = { path = "file-watcher" }
 codex-git-utils = { path = "git-utils" }
 codex-hooks = { path = "hooks" }
 codex-keyring-store = { path = "keyring-store" }
@@ -201,6 +210,7 @@ codex-stdio-to-uds = { path = "stdio-to-uds" }
 codex-terminal-detection = { path = "terminal-detection" }
 codex-test-binary-support = { path = "test-binary-support" }
 codex-thread-store = { path = "thread-store" }
+codex-tool-api = { path = "tool-api" }
 codex-tools = { path = "tools" }
 codex-tui = { path = "tui" }
 codex-uds = { path = "uds" }
@@ -464,11 +474,8 @@ unwrap_used = "deny"
 [workspace.metadata.cargo-shear]
 ignored = [
     "codex-agent-graph-store",
-    "codex-memories-mcp",
     "icu_provider",
     "openssl-sys",
-    "codex-utils-readiness",
-    "codex-utils-template",
     "codex-v8-poc",
 ]
 

codex-rs/agent-graph-store/Cargo.toml

@@ -7,6 +7,7 @@ version.workspace = true
 [lib]
 name = "codex_agent_graph_store"
 path = "src/lib.rs"
+doctest = false
 
 [lints]
 workspace = true

codex-rs/analytics/src/accepted_lines.rs

@@ -0,0 +1,298 @@
+use crate::events::CodexAcceptedLineFingerprintsEventParams;
+use crate::events::CodexAcceptedLineFingerprintsEventRequest;
+use crate::events::TrackEventRequest;
+use crate::facts::AcceptedLineFingerprint;
+use codex_git_utils::canonicalize_git_remote_url;
+use codex_git_utils::get_git_remote_urls_assume_git_repo;
+use sha1::Digest;
+use std::path::Path;
+
+const ACCEPTED_LINE_FINGERPRINT_EVENT_TARGET_BYTES: usize = 2 * 1024 * 1024;
+const ACCEPTED_LINE_FINGERPRINT_EVENT_FIXED_BYTES: usize = 1024;
+
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct AcceptedLineFingerprintSummary {
+    pub accepted_added_lines: u64,
+    pub accepted_deleted_lines: u64,
+    pub line_fingerprints: Vec<AcceptedLineFingerprint>,
+}
+
+pub(crate) struct AcceptedLineFingerprintEventInput {
+    pub(crate) event_type: &'static str,
+    pub(crate) turn_id: String,
+    pub(crate) thread_id: String,
+    pub(crate) product_surface: Option<String>,
+    pub(crate) model_slug: Option<String>,
+    pub(crate) completed_at: u64,
+    pub(crate) repo_hash: Option<String>,
+    pub(crate) accepted_added_lines: u64,
+    pub(crate) accepted_deleted_lines: u64,
+    pub(crate) line_fingerprints: Vec<AcceptedLineFingerprint>,
+}
+
+pub fn accepted_line_fingerprints_from_unified_diff(
+    unified_diff: &str,
+) -> AcceptedLineFingerprintSummary {
+    let mut current_path: Option<String> = None;
+    let mut in_hunk = false;
+    let mut accepted_added_lines = 0;
+    let mut accepted_deleted_lines = 0;
+    let mut line_fingerprints = Vec::new();
+
+    for line in unified_diff.lines() {
+        if line.starts_with("diff --git ") {
+            current_path = None;
+            in_hunk = false;
+            continue;
+        }
+
+        if line.starts_with("@@ ") {
+            in_hunk = true;
+            continue;
+        }
+
+        if !in_hunk && let Some(path) = line.strip_prefix("+++ ") {
+            current_path = normalize_diff_path(path);
+            continue;
+        }
+
+        if !in_hunk && line.starts_with("--- ") {
+            continue;
+        }
+
+        if let Some(added_line) = line.strip_prefix('+') {
+            accepted_added_lines += 1;
+            if let Some(path) = current_path.as_deref()
+                && let Some(normalized_line) = normalize_effective_line(added_line)
+            {
+                line_fingerprints.push(AcceptedLineFingerprint {
+                    path_hash: fingerprint_hash("path", path),
+                    line_hash: fingerprint_hash("line", &normalized_line),
+                });
+            }
+            continue;
+        }
+
+        if line.starts_with('-') {
+            accepted_deleted_lines += 1;
+        }
+    }
+
+    AcceptedLineFingerprintSummary {
+        accepted_added_lines,
+        accepted_deleted_lines,
+        line_fingerprints,
+    }
+}
+
+pub fn fingerprint_hash(domain: &str, value: &str) -> String {
+    let mut hasher = sha1::Sha1::new();
+    hasher.update(b"file-line-v1\0");
+    hasher.update(domain.as_bytes());
+    hasher.update(b"\0");
+    hasher.update(value.as_bytes());
+    format!("{:x}", hasher.finalize())
+}
+
+pub(crate) fn accepted_line_fingerprint_event_requests(
+    input: AcceptedLineFingerprintEventInput,
+) -> Vec<TrackEventRequest> {
+    let chunks = accepted_line_fingerprint_chunks(input.line_fingerprints);
+    chunks
+        .into_iter()
+        .enumerate()
+        .map(|(index, line_fingerprints)| {
+            let is_first_chunk = index == 0;
+            TrackEventRequest::AcceptedLineFingerprints(Box::new(
+                CodexAcceptedLineFingerprintsEventRequest {
+                    event_type: "codex_accepted_line_fingerprints",
+                    event_params: CodexAcceptedLineFingerprintsEventParams {
+                        event_type: input.event_type,
+                        turn_id: input.turn_id.clone(),
+                        thread_id: input.thread_id.clone(),
+                        product_surface: input.product_surface.clone(),
+                        model_slug: input.model_slug.clone(),
+                        completed_at: input.completed_at,
+                        repo_hash: input.repo_hash.clone(),
+                        accepted_added_lines: if is_first_chunk {
+                            input.accepted_added_lines
+                        } else {
+                            0
+                        },
+                        accepted_deleted_lines: if is_first_chunk {
+                            input.accepted_deleted_lines
+                        } else {
+                            0
+                        },
+                        line_fingerprints,
+                    },
+                },
+            ))
+        })
+        .collect()
+}
+
+pub async fn accepted_line_repo_hash_for_cwd(cwd: &Path) -> Option<String> {
+    let remotes = get_git_remote_urls_assume_git_repo(cwd).await?;
+    remotes
+        .get("origin")
+        .or_else(|| remotes.values().next())
+        .map(|remote_url| {
+            let canonical_remote_url =
+                canonicalize_git_remote_url(remote_url).unwrap_or_else(|| remote_url.to_string());
+            fingerprint_hash("repo", &canonical_remote_url)
+        })
+}
+
+fn normalize_diff_path(path: &str) -> Option<String> {
+    let path = path.trim();
+    if path == "/dev/null" {
+        return None;
+    }
+
+    Some(
+        path.strip_prefix("b/")
+            .or_else(|| path.strip_prefix("a/"))
+            .unwrap_or(path)
+            .to_string(),
+    )
+}
+
+fn normalize_effective_line(line: &str) -> Option<String> {
+    let normalized = line.split_whitespace().collect::<Vec<_>>().join(" ");
+    if normalized.len() <= 3 {
+        return None;
+    }
+    if !normalized
+        .chars()
+        .any(|ch| ch.is_alphanumeric() || ch == '_')
+    {
+        return None;
+    }
+    Some(normalized)
+}
+
+fn accepted_line_fingerprint_chunks(
+    line_fingerprints: Vec<AcceptedLineFingerprint>,
+) -> Vec<Vec<AcceptedLineFingerprint>> {
+    if line_fingerprints.is_empty() {
+        return vec![Vec::new()];
+    }
+
+    let mut chunks = Vec::new();
+    let mut current = Vec::new();
+    let mut current_bytes = ACCEPTED_LINE_FINGERPRINT_EVENT_FIXED_BYTES;
+
+    for fingerprint in line_fingerprints {
+        let item_bytes = accepted_line_fingerprint_json_bytes(&fingerprint);
+        let separator_bytes = usize::from(!current.is_empty());
+        if !current.is_empty()
+            && current_bytes + separator_bytes + item_bytes
+                > ACCEPTED_LINE_FINGERPRINT_EVENT_TARGET_BYTES
+        {
+            chunks.push(current);
+            current = Vec::new();
+            current_bytes = ACCEPTED_LINE_FINGERPRINT_EVENT_FIXED_BYTES;
+        }
+        current_bytes += usize::from(!current.is_empty()) + item_bytes;
+        current.push(fingerprint);
+    }
+
+    if !current.is_empty() {
+        chunks.push(current);
+    }
+    chunks
+}
+
+fn accepted_line_fingerprint_json_bytes(fingerprint: &AcceptedLineFingerprint) -> usize {
+    // {"path_hash":"...","line_hash":"..."} plus one byte of array comma
+    // accounted for by the caller when needed.
+    32 + fingerprint.path_hash.len() + fingerprint.line_hash.len()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn parses_counts_and_effective_added_fingerprints() {
+        let diff = "\
+diff --git a/src/lib.rs b/src/lib.rs
+index 1111111..2222222
+--- a/src/lib.rs
++++ b/src/lib.rs
+@@ -1,3 +1,5 @@
+-old line
++fn useful() {
++}
++    return user.id;
+ context
+";
+
+        let summary = accepted_line_fingerprints_from_unified_diff(diff);
+
+        assert_eq!(
+            summary,
+            AcceptedLineFingerprintSummary {
+                accepted_added_lines: 3,
+                accepted_deleted_lines: 1,
+                line_fingerprints: vec![
+                    AcceptedLineFingerprint {
+                        path_hash: fingerprint_hash("path", "src/lib.rs"),
+                        line_hash: fingerprint_hash("line", "fn useful() {"),
+                    },
+                    AcceptedLineFingerprint {
+                        path_hash: fingerprint_hash("path", "src/lib.rs"),
+                        line_hash: fingerprint_hash("line", "return user.id;"),
+                    },
+                ],
+            }
+        );
+    }
+
+    #[test]
+    fn skips_added_file_metadata_headers() {
+        let diff = "\
+diff --git a/new.py b/new.py
+new file mode 100644
+index 0000000..1111111
+--- /dev/null
++++ b/new.py
+@@ -0,0 +1 @@
++print('hello')
+";
+
+        let summary = accepted_line_fingerprints_from_unified_diff(diff);
+
+        assert_eq!(summary.accepted_added_lines, 1);
+        assert_eq!(summary.accepted_deleted_lines, 0);
+        assert_eq!(summary.line_fingerprints.len(), 1);
+    }
+
+    #[test]
+    fn parses_hunk_lines_that_look_like_file_headers() {
+        let diff = "\
+diff --git a/src/lib.rs b/src/lib.rs
+index 1111111..2222222
+--- a/src/lib.rs
++++ b/src/lib.rs
+@@ -1,2 +1,2 @@
+--- old value
++++ new value
+";
+
+        let summary = accepted_line_fingerprints_from_unified_diff(diff);
+
+        assert_eq!(
+            summary,
+            AcceptedLineFingerprintSummary {
+                accepted_added_lines: 1,
+                accepted_deleted_lines: 1,
+                line_fingerprints: vec![AcceptedLineFingerprint {
+                    path_hash: fingerprint_hash("path", "src/lib.rs"),
+                    line_hash: fingerprint_hash("line", "++ new value"),
+                }],
+            }
+        );
+    }
+}

codex-rs/analytics/src/analytics_client_tests.rs

@@ -1,5 +1,7 @@
 use crate::client::AnalyticsEventsQueue;
 use crate::events::AppServerRpcTransport;
+use crate::events::CodexAcceptedLineFingerprintsEventParams;
+use crate::events::CodexAcceptedLineFingerprintsEventRequest;
 use crate::events::CodexAppMentionedEventRequest;
 use crate::events::CodexAppServerClientMetadata;
 use crate::events::CodexAppUsedEventRequest;
@@ -28,6 +30,7 @@ use crate::events::codex_hook_run_metadata;
 use crate::events::codex_plugin_metadata;
 use crate::events::codex_plugin_used_metadata;
 use crate::events::subagent_thread_started_event_request;
+use crate::facts::AcceptedLineFingerprint;
 use crate::facts::AnalyticsFact;
 use crate::facts::AnalyticsJsonRpcError;
 use crate::facts::AppInvocation;
@@ -89,6 +92,7 @@ use codex_app_server_protocol::ThreadStartResponse;
 use codex_app_server_protocol::ThreadStatus as AppServerThreadStatus;
 use codex_app_server_protocol::Turn;
 use codex_app_server_protocol::TurnCompletedNotification;
+use codex_app_server_protocol::TurnDiffUpdatedNotification;
 use codex_app_server_protocol::TurnError as AppServerTurnError;
 use codex_app_server_protocol::TurnStartParams;
 use codex_app_server_protocol::TurnStartedNotification;
@@ -636,6 +640,7 @@ fn sample_initialize_fact(connection_id: u64) -> AnalyticsFact {
             },
             capabilities: Some(InitializeCapabilities {
                 experimental_api: false,
+                request_attestation: false,
                 opt_out_notification_methods: None,
             }),
         },
@@ -827,6 +832,206 @@ fn app_used_event_serializes_expected_shape() {
     );
 }
 
+#[test]
+fn accepted_line_fingerprints_event_serializes_expected_shape() {
+    let event = TrackEventRequest::AcceptedLineFingerprints(Box::new(
+        CodexAcceptedLineFingerprintsEventRequest {
+            event_type: "codex_accepted_line_fingerprints",
+            event_params: CodexAcceptedLineFingerprintsEventParams {
+                event_type: "codex.accepted_line_fingerprints",
+                turn_id: "turn-1".to_string(),
+                thread_id: "thread-1".to_string(),
+                product_surface: Some("codex".to_string()),
+                model_slug: Some("gpt-5.1-codex".to_string()),
+                completed_at: 1710000000,
+                repo_hash: Some("repo-hash-1".to_string()),
+                accepted_added_lines: 42,
+                accepted_deleted_lines: 40,
+                line_fingerprints: vec![AcceptedLineFingerprint {
+                    path_hash: "path-hash-1".to_string(),
+                    line_hash: "line-hash-1".to_string(),
+                }],
+            },
+        },
+    ));
+
+    let payload = serde_json::to_value(&event).expect("serialize accepted line fingerprints event");
+
+    assert_eq!(
+        payload,
+        json!({
+            "event_type": "codex_accepted_line_fingerprints",
+            "event_params": {
+                "event_type": "codex.accepted_line_fingerprints",
+                "turn_id": "turn-1",
+                "thread_id": "thread-1",
+                "product_surface": "codex",
+                "model_slug": "gpt-5.1-codex",
+                "completed_at": 1710000000,
+                "repo_hash": "repo-hash-1",
+                "accepted_added_lines": 42,
+                "accepted_deleted_lines": 40,
+                "line_fingerprints": [
+                    {
+                        "path_hash": "path-hash-1",
+                        "line_hash": "line-hash-1"
+                    }
+                ]
+            }
+        })
+    );
+}
+
+#[tokio::test]
+async fn reducer_chunks_large_accepted_line_fingerprint_events_without_repeating_counts() {
+    let mut reducer = AnalyticsReducer::default();
+    let mut events = Vec::new();
+
+    ingest_turn_prerequisites(
+        &mut reducer,
+        &mut events,
+        /*include_initialize*/ true,
+        /*include_resolved_config*/ true,
+        /*include_started*/ true,
+        /*include_token_usage*/ true,
+    )
+    .await;
+    events.clear();
+
+    let mut diff = "\
+diff --git a/src/lib.rs b/src/lib.rs
+index 1111111..2222222
+--- a/src/lib.rs
++++ b/src/lib.rs
+@@ -0,0 +1,20000 @@
+"
+    .to_string();
+    for index in 0..20_000 {
+        diff.push_str(&format!("+let value_{index} = {index};\n"));
+    }
+
+    reducer
+        .ingest(
+            AnalyticsFact::Notification(Box::new(ServerNotification::TurnDiffUpdated(
+                TurnDiffUpdatedNotification {
+                    thread_id: "thread-2".to_string(),
+                    turn_id: "turn-2".to_string(),
+                    diff,
+                },
+            ))),
+            &mut events,
+        )
+        .await;
+    assert!(events.is_empty());
+
+    reducer
+        .ingest(
+            AnalyticsFact::Notification(Box::new(sample_turn_completed_notification(
+                "thread-2",
+                "turn-2",
+                AppServerTurnStatus::Completed,
+                /*codex_error_info*/ None,
+            ))),
+            &mut events,
+        )
+        .await;
+
+    let accepted_line_events = events
+        .iter()
+        .filter_map(|event| match event {
+            TrackEventRequest::AcceptedLineFingerprints(event) => Some(event),
+            _ => None,
+        })
+        .collect::<Vec<_>>();
+    assert!(accepted_line_events.len() > 1);
+    let mut total_fingerprints = 0;
+    for (index, event) in accepted_line_events.iter().enumerate() {
+        assert_eq!(event.event_params.turn_id, "turn-2");
+        assert_eq!(event.event_params.thread_id, "thread-2");
+        total_fingerprints += event.event_params.line_fingerprints.len();
+        if index == 0 {
+            assert_eq!(event.event_params.accepted_added_lines, 20_000);
+            assert_eq!(event.event_params.accepted_deleted_lines, 0);
+        } else {
+            assert_eq!(event.event_params.accepted_added_lines, 0);
+            assert_eq!(event.event_params.accepted_deleted_lines, 0);
+        }
+        assert!(serde_json::to_vec(event).expect("serialize chunk").len() < 2_100_000);
+    }
+    assert_eq!(total_fingerprints, 20_000);
+}
+
+#[tokio::test]
+async fn reducer_emits_accepted_line_fingerprints_once_from_latest_turn_diff_on_completion() {
+    let mut reducer = AnalyticsReducer::default();
+    let mut events = Vec::new();
+
+    ingest_turn_prerequisites(
+        &mut reducer,
+        &mut events,
+        /*include_initialize*/ true,
+        /*include_resolved_config*/ true,
+        /*include_started*/ true,
+        /*include_token_usage*/ true,
+    )
+    .await;
+    events.clear();
+
+    for line in ["let old_value = 1;", "let latest_value = 2;"] {
+        let diff = format!(
+            "\
+diff --git a/src/lib.rs b/src/lib.rs
+index 1111111..2222222
+--- a/src/lib.rs
++++ b/src/lib.rs
+@@ -0,0 +1 @@
++{line}
+"
+        );
+        reducer
+            .ingest(
+                AnalyticsFact::Notification(Box::new(ServerNotification::TurnDiffUpdated(
+                    TurnDiffUpdatedNotification {
+                        thread_id: "thread-2".to_string(),
+                        turn_id: "turn-2".to_string(),
+                        diff,
+                    },
+                ))),
+                &mut events,
+            )
+            .await;
+    }
+    assert!(events.is_empty());
+
+    reducer
+        .ingest(
+            AnalyticsFact::Notification(Box::new(sample_turn_completed_notification(
+                "thread-2",
+                "turn-2",
+                AppServerTurnStatus::Completed,
+                /*codex_error_info*/ None,
+            ))),
+            &mut events,
+        )
+        .await;
+
+    let accepted_line_events = events
+        .iter()
+        .filter_map(|event| match event {
+            TrackEventRequest::AcceptedLineFingerprints(event) => Some(event),
+            _ => None,
+        })
+        .collect::<Vec<_>>();
+    assert_eq!(accepted_line_events.len(), 1);
+    let event = accepted_line_events[0];
+    assert_eq!(event.event_params.accepted_added_lines, 1);
+    assert_eq!(event.event_params.line_fingerprints.len(), 1);
+    assert_eq!(
+        event.event_params.line_fingerprints[0].line_hash,
+        crate::fingerprint_hash("line", "let latest_value = 2;")
+    );
+}
+
 #[test]
 fn compaction_event_serializes_expected_shape() {
     let event = TrackEventRequest::Compaction(Box::new(CodexCompactionEventRequest {
@@ -1122,6 +1327,7 @@ async fn initialize_caches_client_and_thread_lifecycle_publishes_once_initialize
                     },
                     capabilities: Some(InitializeCapabilities {
                         experimental_api: false,
+                        request_attestation: false,
                         opt_out_notification_methods: None,
                     }),
                 },
@@ -1269,6 +1475,7 @@ async fn compaction_event_ingests_custom_fact() {
                     },
                     capabilities: Some(InitializeCapabilities {
                         experimental_api: false,
+                        request_attestation: false,
                         opt_out_notification_methods: None,
                     }),
                 },
@@ -1382,6 +1589,7 @@ async fn guardian_review_event_ingests_custom_fact_with_optional_target_item() {
                     },
                     capabilities: Some(InitializeCapabilities {
                         experimental_api: false,
+                        request_attestation: false,
                         opt_out_notification_methods: None,
                     }),
                 },

codex-rs/analytics/src/client.rs

@@ -30,6 +30,7 @@ use codex_app_server_protocol::ServerNotification;
 use codex_app_server_protocol::ServerRequest;
 use codex_app_server_protocol::ServerResponse;
 use codex_login::AuthManager;
+use codex_login::CodexAuth;
 use codex_login::default_client::create_client;
 use codex_plugin::PluginTelemetryMetadata;
 use std::collections::HashSet;
@@ -340,8 +341,9 @@ impl AnalyticsEventsClient {
         });
     }
 
-    pub fn track_server_response(&self, response: ServerResponse) {
+    pub fn track_server_response(&self, completed_at_ms: u64, response: ServerResponse) {
         self.record_fact(AnalyticsFact::ServerResponse {
+            completed_at_ms,
             response: Box::new(response),
         });
     }
@@ -351,6 +353,7 @@ impl AnalyticsEventsClient {
             notification,
             ServerNotification::TurnStarted(_)
                 | ServerNotification::TurnCompleted(_)
+                | ServerNotification::TurnDiffUpdated(_)
                 | ServerNotification::ItemStarted(_)
                 | ServerNotification::ItemCompleted(_)
                 | ServerNotification::ItemGuardianApprovalReviewStarted(_)
@@ -370,6 +373,7 @@ async fn send_track_events(
     if events.is_empty() {
         return;
     }
+
     let Some(auth) = auth_manager.auth().await else {
         return;
     };
@@ -379,12 +383,45 @@ async fn send_track_events(
 
     let base_url = base_url.trim_end_matches('/');
     let url = format!("{base_url}/codex/analytics-events/events");
+    for events in track_event_request_batches(events) {
+        send_track_events_request(&auth, &url, events).await;
+    }
+}
+
+fn track_event_request_batches(events: Vec<TrackEventRequest>) -> Vec<Vec<TrackEventRequest>> {
+    let mut batches = Vec::new();
+    let mut current_batch = Vec::new();
+
+    for event in events {
+        if event.should_send_in_isolated_request() {
+            if !current_batch.is_empty() {
+                batches.push(current_batch);
+                current_batch = Vec::new();
+            }
+            batches.push(vec![event]);
+        } else {
+            current_batch.push(event);
+        }
+    }
+
+    if !current_batch.is_empty() {
+        batches.push(current_batch);
+    }
+
+    batches
+}
+
+async fn send_track_events_request(auth: &CodexAuth, url: &str, events: Vec<TrackEventRequest>) {
+    if events.is_empty() {
+        return;
+    }
+
     let payload = TrackEventsRequest { events };
 
     let response = create_client()
-        .post(&url)
+        .post(url)
         .timeout(ANALYTICS_EVENTS_TIMEOUT)
-        .headers(codex_model_provider::auth_provider_from_auth(&auth).to_auth_headers())
+        .headers(codex_model_provider::auth_provider_from_auth(auth).to_auth_headers())
         .header("Content-Type", "application/json")
         .json(&payload)
         .send()

codex-rs/analytics/src/client_tests.rs

@@ -1,6 +1,14 @@
 use super::AnalyticsEventsClient;
 use super::AnalyticsEventsQueue;
+use super::track_event_request_batches;
+use crate::events::CodexAcceptedLineFingerprintsEventParams;
+use crate::events::CodexAcceptedLineFingerprintsEventRequest;
+use crate::events::SkillInvocationEventParams;
+use crate::events::SkillInvocationEventRequest;
+use crate::events::TrackEventRequest;
+use crate::facts::AcceptedLineFingerprint;
 use crate::facts::AnalyticsFact;
+use crate::facts::InvocationType;
 use codex_app_server_protocol::ApprovalsReviewer as AppServerApprovalsReviewer;
 use codex_app_server_protocol::AskForApproval as AppServerAskForApproval;
 use codex_app_server_protocol::ClientRequest;
@@ -31,6 +39,47 @@ use std::sync::Mutex;
 use tokio::sync::mpsc;
 use tokio::sync::mpsc::error::TryRecvError;
 
+fn sample_accepted_line_fingerprint_event(thread_id: &str) -> TrackEventRequest {
+    TrackEventRequest::AcceptedLineFingerprints(Box::new(
+        CodexAcceptedLineFingerprintsEventRequest {
+            event_type: "codex_accepted_line_fingerprints",
+            event_params: CodexAcceptedLineFingerprintsEventParams {
+                event_type: "codex.accepted_line_fingerprints",
+                turn_id: "turn-1".to_string(),
+                thread_id: thread_id.to_string(),
+                product_surface: Some("codex".to_string()),
+                model_slug: Some("gpt-5.1-codex".to_string()),
+                completed_at: 1,
+                repo_hash: None,
+                accepted_added_lines: 1,
+                accepted_deleted_lines: 0,
+                line_fingerprints: vec![AcceptedLineFingerprint {
+                    path_hash: "path-hash".to_string(),
+                    line_hash: "line-hash".to_string(),
+                }],
+            },
+        },
+    ))
+}
+
+fn sample_regular_track_event(thread_id: &str) -> TrackEventRequest {
+    TrackEventRequest::SkillInvocation(SkillInvocationEventRequest {
+        event_type: "skill_invocation",
+        skill_id: format!("skill-{thread_id}"),
+        skill_name: "doc".to_string(),
+        event_params: SkillInvocationEventParams {
+            product_client_id: None,
+            skill_scope: None,
+            plugin_id: None,
+            repo_url: None,
+            thread_id: Some(thread_id.to_string()),
+            turn_id: Some("turn-1".to_string()),
+            invoke_type: Some(InvocationType::Explicit),
+            model_slug: Some("gpt-5.1-codex".to_string()),
+        },
+    })
+}
+
 fn client_with_receiver() -> (AnalyticsEventsClient, mpsc::Receiver<AnalyticsFact>) {
     let (sender, receiver) = mpsc::channel(8);
     let queue = AnalyticsEventsQueue {
@@ -222,3 +271,23 @@ fn track_response_only_enqueues_analytics_relevant_responses() {
     );
     assert!(matches!(receiver.try_recv(), Err(TryRecvError::Empty)));
 }
+
+#[test]
+fn track_event_request_batches_only_isolates_accepted_line_fingerprint_events() {
+    let batches = track_event_request_batches(vec![
+        sample_regular_track_event("thread-1"),
+        sample_regular_track_event("thread-2"),
+        sample_accepted_line_fingerprint_event("thread-3"),
+        sample_accepted_line_fingerprint_event("thread-4"),
+        sample_regular_track_event("thread-5"),
+        sample_regular_track_event("thread-6"),
+    ]);
+
+    assert_eq!(batches.len(), 4);
+    assert_eq!(batches[0].len(), 2);
+    assert_eq!(batches[1].len(), 1);
+    assert_eq!(batches[2].len(), 1);
+    assert_eq!(batches[3].len(), 2);
+    assert!(batches[1][0].should_send_in_isolated_request());
+    assert!(batches[2][0].should_send_in_isolated_request());
+}

codex-rs/analytics/src/events.rs

@@ -1,5 +1,6 @@
 use std::time::Instant;
 
+use crate::facts::AcceptedLineFingerprint;
 use crate::facts::AppInvocation;
 use crate::facts::CodexCompactionEvent;
 use crate::facts::CompactionImplementation;
@@ -18,6 +19,7 @@ use crate::facts::TurnStatus;
 use crate::facts::TurnSteerRejectionReason;
 use crate::facts::TurnSteerResult;
 use crate::facts::TurnSubmissionType;
+use crate::now_unix_millis;
 use crate::now_unix_seconds;
 use codex_app_server_protocol::CodexErrorInfo;
 use codex_app_server_protocol::CommandExecutionSource;
@@ -70,6 +72,7 @@ pub(crate) enum TrackEventRequest {
     CollabAgentToolCall(CodexCollabAgentToolCallEventRequest),
     WebSearch(CodexWebSearchEventRequest),
     ImageGeneration(CodexImageGenerationEventRequest),
+    AcceptedLineFingerprints(Box<CodexAcceptedLineFingerprintsEventRequest>),
     #[allow(dead_code)]
     ReviewEvent(CodexReviewEventRequest),
     PluginUsed(CodexPluginUsedEventRequest),
@@ -79,6 +82,32 @@ pub(crate) enum TrackEventRequest {
     PluginDisabled(CodexPluginEventRequest),
 }
 
+impl TrackEventRequest {
+    pub(crate) fn should_send_in_isolated_request(&self) -> bool {
+        matches!(self, Self::AcceptedLineFingerprints(_))
+    }
+}
+
+#[derive(Serialize)]
+pub(crate) struct CodexAcceptedLineFingerprintsEventParams {
+    pub(crate) event_type: &'static str,
+    pub(crate) turn_id: String,
+    pub(crate) thread_id: String,
+    pub(crate) product_surface: Option<String>,
+    pub(crate) model_slug: Option<String>,
+    pub(crate) completed_at: u64,
+    pub(crate) repo_hash: Option<String>,
+    pub(crate) accepted_added_lines: u64,
+    pub(crate) accepted_deleted_lines: u64,
+    pub(crate) line_fingerprints: Vec<AcceptedLineFingerprint>,
+}
+
+#[derive(Serialize)]
+pub(crate) struct CodexAcceptedLineFingerprintsEventRequest {
+    pub(crate) event_type: &'static str,
+    pub(crate) event_params: CodexAcceptedLineFingerprintsEventParams,
+}
+
 #[derive(Serialize)]
 pub(crate) struct SkillInvocationEventRequest {
     pub(crate) event_type: &'static str,
@@ -261,7 +290,7 @@ pub struct GuardianReviewTrackContext {
     approval_request_source: GuardianApprovalRequestSource,
     reviewed_action: GuardianReviewedAction,
     review_timeout_ms: u64,
-    started_at: u64,
+    pub started_at_ms: u64,
     started_instant: Instant,
 }
 
@@ -283,7 +312,7 @@ impl GuardianReviewTrackContext {
             approval_request_source,
             reviewed_action,
             review_timeout_ms,
-            started_at: now_unix_seconds(),
+            started_at_ms: now_unix_millis(),
             started_instant: Instant::now(),
         }
     }
@@ -316,7 +345,7 @@ impl GuardianReviewTrackContext {
             tool_call_count: None,
             time_to_first_token_ms: result.time_to_first_token_ms,
             completion_latency_ms: Some(self.started_instant.elapsed().as_millis() as u64),
-            started_at: self.started_at,
+            started_at: self.started_at_ms / 1_000,
             completed_at: Some(now_unix_seconds()),
             input_tokens: result.token_usage.as_ref().map(|usage| usage.input_tokens),
             cached_input_tokens: result

codex-rs/analytics/src/facts.rs

@@ -28,6 +28,12 @@ use codex_protocol::protocol::TokenUsage;
 use serde::Serialize;
 use std::path::PathBuf;
 
+#[derive(Clone, Debug, PartialEq, Eq, Serialize)]
+pub struct AcceptedLineFingerprint {
+    pub path_hash: String,
+    pub line_hash: String,
+}
+
 #[derive(Clone)]
 pub struct TrackEventsContext {
     pub model_slug: String,
@@ -296,6 +302,7 @@ pub(crate) enum AnalyticsFact {
         request: Box<ServerRequest>,
     },
     ServerResponse {
+        completed_at_ms: u64,
         response: Box<ServerResponse>,
     },
     Notification(Box<ServerNotification>),

codex-rs/analytics/src/lib.rs

@@ -1,3 +1,4 @@
+mod accepted_lines;
 mod client;
 mod events;
 mod facts;
@@ -6,6 +7,8 @@ mod reducer;
 use std::time::SystemTime;
 use std::time::UNIX_EPOCH;
 
+pub use accepted_lines::accepted_line_fingerprints_from_unified_diff;
+pub use accepted_lines::fingerprint_hash;
 pub use client::AnalyticsEventsClient;
 pub use events::AppServerRpcTransport;
 pub use events::GuardianApprovalRequestSource;
@@ -17,6 +20,7 @@ pub use events::GuardianReviewSessionKind;
 pub use events::GuardianReviewTerminalStatus;
 pub use events::GuardianReviewTrackContext;
 pub use events::GuardianReviewedAction;
+pub use facts::AcceptedLineFingerprint;
 pub use facts::AnalyticsJsonRpcError;
 pub use facts::AppInvocation;
 pub use facts::CodexCompactionEvent;

codex-rs/analytics/src/reducer.rs

@@ -1,3 +1,7 @@
+use crate::accepted_lines::AcceptedLineFingerprintEventInput;
+use crate::accepted_lines::accepted_line_fingerprint_event_requests;
+use crate::accepted_lines::accepted_line_fingerprints_from_unified_diff;
+use crate::accepted_lines::accepted_line_repo_hash_for_cwd;
 use crate::events::AppServerRpcTransport;
 use crate::events::CodexAppMentionedEventRequest;
 use crate::events::CodexAppServerClientMetadata;
@@ -104,6 +108,7 @@ use codex_protocol::protocol::TokenUsage;
 use sha1::Digest;
 use std::collections::HashMap;
 use std::path::Path;
+use std::path::PathBuf;
 
 #[derive(Default)]
 pub(crate) struct AnalyticsReducer {
@@ -264,6 +269,7 @@ struct TurnState {
     started_at: Option<u64>,
     token_usage: Option<TokenUsage>,
     completed: Option<CompletedTurnState>,
+    latest_diff: Option<String>,
     steer_count: usize,
 }
 
@@ -305,7 +311,7 @@ impl AnalyticsReducer {
                 response,
             } => {
                 if let Some(response) = response.into_client_response(request_id) {
-                    self.ingest_response(connection_id, response, out);
+                    self.ingest_response(connection_id, response, out).await;
                 }
             }
             AnalyticsFact::ErrorResponse {
@@ -317,7 +323,7 @@ impl AnalyticsReducer {
                 self.ingest_error_response(connection_id, request_id, error_type, out);
             }
             AnalyticsFact::Notification(notification) => {
-                self.ingest_notification(*notification, out);
+                self.ingest_notification(*notification, out).await;
             }
             AnalyticsFact::ServerRequest {
                 connection_id: _connection_id,
@@ -325,6 +331,7 @@ impl AnalyticsReducer {
             } => {}
             AnalyticsFact::ServerResponse {
                 response: _response,
+                ..
             } => {}
             AnalyticsFact::Custom(input) => match input {
                 CustomAnalyticsFact::SubAgentThreadStarted(input) => {
@@ -337,10 +344,10 @@ impl AnalyticsReducer {
                     self.ingest_guardian_review(*input, out);
                 }
                 CustomAnalyticsFact::TurnResolvedConfig(input) => {
-                    self.ingest_turn_resolved_config(*input, out);
+                    self.ingest_turn_resolved_config(*input, out).await;
                 }
                 CustomAnalyticsFact::TurnTokenUsage(input) => {
-                    self.ingest_turn_token_usage(*input, out);
+                    self.ingest_turn_token_usage(*input, out).await;
                 }
                 CustomAnalyticsFact::SkillInvoked(input) => {
                     self.ingest_skill_invoked(input, out).await;
@@ -472,7 +479,7 @@ impl AnalyticsReducer {
         }
     }
 
-    fn ingest_turn_resolved_config(
+    async fn ingest_turn_resolved_config(
         &mut self,
         input: TurnResolvedConfigFact,
         out: &mut Vec<TrackEventRequest>,
@@ -488,15 +495,16 @@ impl AnalyticsReducer {
             started_at: None,
             token_usage: None,
             completed: None,
+            latest_diff: None,
             steer_count: 0,
         });
         turn_state.thread_id = Some(thread_id);
         turn_state.num_input_images = Some(num_input_images);
         turn_state.resolved_config = Some(input);
-        self.maybe_emit_turn_event(&turn_id, out);
+        self.maybe_emit_turn_event(&turn_id, out).await;
     }
 
-    fn ingest_turn_token_usage(
+    async fn ingest_turn_token_usage(
         &mut self,
         input: TurnTokenUsageFact,
         out: &mut Vec<TrackEventRequest>,
@@ -510,11 +518,12 @@ impl AnalyticsReducer {
             started_at: None,
             token_usage: None,
             completed: None,
+            latest_diff: None,
             steer_count: 0,
         });
         turn_state.thread_id = Some(input.thread_id);
         turn_state.token_usage = Some(input.token_usage);
-        self.maybe_emit_turn_event(&turn_id, out);
+        self.maybe_emit_turn_event(&turn_id, out).await;
     }
 
     async fn ingest_skill_invoked(
@@ -621,7 +630,7 @@ impl AnalyticsReducer {
         });
     }
 
-    fn ingest_response(
+    async fn ingest_response(
         &mut self,
         connection_id: u64,
         response: ClientResponse,
@@ -673,12 +682,13 @@ impl AnalyticsReducer {
                     started_at: None,
                     token_usage: None,
                     completed: None,
+                    latest_diff: None,
                     steer_count: 0,
                 });
                 turn_state.connection_id = Some(connection_id);
                 turn_state.thread_id = Some(pending_request.thread_id);
                 turn_state.num_input_images = Some(pending_request.num_input_images);
-                self.maybe_emit_turn_event(&turn_id, out);
+                self.maybe_emit_turn_event(&turn_id, out).await;
             }
             ClientResponse::TurnSteer {
                 request_id,
@@ -740,7 +750,7 @@ impl AnalyticsReducer {
         );
     }
 
-    fn ingest_notification(
+    async fn ingest_notification(
         &mut self,
         notification: ServerNotification,
         out: &mut Vec<TrackEventRequest>,
@@ -811,6 +821,7 @@ impl AnalyticsReducer {
                     started_at: None,
                     token_usage: None,
                     completed: None,
+                    latest_diff: None,
                     steer_count: 0,
                 });
                 turn_state.started_at = notification
@@ -818,6 +829,24 @@ impl AnalyticsReducer {
                     .started_at
                     .and_then(|started_at| u64::try_from(started_at).ok());
             }
+            ServerNotification::TurnDiffUpdated(notification) => {
+                let turn_state =
+                    self.turns
+                        .entry(notification.turn_id.clone())
+                        .or_insert(TurnState {
+                            connection_id: None,
+                            thread_id: None,
+                            num_input_images: None,
+                            resolved_config: None,
+                            started_at: None,
+                            token_usage: None,
+                            completed: None,
+                            latest_diff: None,
+                            steer_count: 0,
+                        });
+                turn_state.thread_id = Some(notification.thread_id);
+                turn_state.latest_diff = Some(notification.diff);
+            }
             ServerNotification::TurnCompleted(notification) => {
                 let turn_state =
                     self.turns
@@ -830,6 +859,7 @@ impl AnalyticsReducer {
                             started_at: None,
                             token_usage: None,
                             completed: None,
+                            latest_diff: None,
                             steer_count: 0,
                         });
                 turn_state.completed = Some(CompletedTurnState {
@@ -849,7 +879,7 @@ impl AnalyticsReducer {
                         .and_then(|duration_ms| u64::try_from(duration_ms).ok()),
                 });
                 let turn_id = notification.turn.id;
-                self.maybe_emit_turn_event(&turn_id, out);
+                self.maybe_emit_turn_event(&turn_id, out).await;
             }
             _ => {}
         }
@@ -985,7 +1015,7 @@ impl AnalyticsReducer {
         }));
     }
 
-    fn maybe_emit_turn_event(&mut self, turn_id: &str, out: &mut Vec<TrackEventRequest>) {
+    async fn maybe_emit_turn_event(&mut self, turn_id: &str, out: &mut Vec<TrackEventRequest>) {
         let Some(turn_state) = self.turns.get(turn_id) else {
             return;
         };
@@ -1018,18 +1048,23 @@ impl AnalyticsReducer {
             warn_missing_analytics_context(&drop_site, MissingAnalyticsContext::ThreadMetadata);
             return;
         };
-        out.push(TrackEventRequest::TurnEvent(Box::new(
-            CodexTurnEventRequest {
-                event_type: "codex_turn_event",
-                event_params: codex_turn_event_params(
-                    connection_state.app_server_client.clone(),
-                    connection_state.runtime.clone(),
-                    turn_id.to_string(),
-                    turn_state,
-                    thread_metadata,
-                ),
-            },
-        )));
+        let turn_event = TrackEventRequest::TurnEvent(Box::new(CodexTurnEventRequest {
+            event_type: "codex_turn_event",
+            event_params: codex_turn_event_params(
+                connection_state.app_server_client.clone(),
+                connection_state.runtime.clone(),
+                turn_id.to_string(),
+                turn_state,
+                thread_metadata,
+            ),
+        }));
+        let accepted_line_event = accepted_line_event_input(turn_id, turn_state);
+
+        out.push(turn_event);
+        if let Some((mut input, cwd)) = accepted_line_event {
+            input.repo_hash = accepted_line_repo_hash_for_cwd(cwd.as_path()).await;
+            out.extend(accepted_line_fingerprint_event_requests(input));
+        }
         self.turns.remove(turn_id);
     }
 
@@ -1641,6 +1676,36 @@ fn web_search_query_count(query: &str, action: Option<&WebSearchAction>) -> Opti
     }
 }
 
+fn accepted_line_event_input(
+    turn_id: &str,
+    turn_state: &TurnState,
+) -> Option<(AcceptedLineFingerprintEventInput, PathBuf)> {
+    let latest_diff = turn_state.latest_diff.as_deref()?;
+    let summary = accepted_line_fingerprints_from_unified_diff(latest_diff);
+    if summary.accepted_added_lines == 0 && summary.accepted_deleted_lines == 0 {
+        return None;
+    }
+
+    let thread_id = turn_state.thread_id.clone()?;
+    let resolved_config = turn_state.resolved_config.clone()?;
+
+    Some((
+        AcceptedLineFingerprintEventInput {
+            event_type: "codex.accepted_line_fingerprints",
+            turn_id: turn_id.to_string(),
+            thread_id,
+            product_surface: Some("codex".to_string()),
+            model_slug: Some(resolved_config.model.clone()),
+            completed_at: now_unix_seconds(),
+            repo_hash: None,
+            accepted_added_lines: summary.accepted_added_lines,
+            accepted_deleted_lines: summary.accepted_deleted_lines,
+            line_fingerprints: summary.line_fingerprints,
+        },
+        resolved_config.permission_profile_cwd,
+    ))
+}
+
 fn codex_turn_event_params(
     app_server_client: CodexAppServerClientMetadata,
     runtime: CodexRuntimeMetadata,

codex-rs/ansi-escape/Cargo.toml

@@ -7,6 +7,8 @@ license.workspace = true
 [lib]
 name = "codex_ansi_escape"
 path = "src/lib.rs"
+test = false
+doctest = false
 
 [lints]
 workspace = true

codex-rs/app-server-client/Cargo.toml

@@ -7,6 +7,7 @@ license.workspace = true
 [lib]
 name = "codex_app_server_client"
 path = "src/lib.rs"
+doctest = false
 
 [lints]
 workspace = true

codex-rs/app-server-client/src/lib.rs

@@ -49,7 +49,6 @@ use codex_config::RemoteThreadConfigLoader;
 use codex_config::ThreadConfigLoader;
 use codex_core::config::Config;
 pub use codex_exec_server::EnvironmentManager;
-pub use codex_exec_server::EnvironmentManagerArgs;
 pub use codex_exec_server::ExecServerRuntimePaths;
 use codex_feedback::CodexFeedback;
 use codex_protocol::protocol::SessionSource;
@@ -375,6 +374,7 @@ impl InProcessClientStartArgs {
     pub fn initialize_params(&self) -> InitializeParams {
         let capabilities = InitializeCapabilities {
             experimental_api: self.experimental_api,
+            request_attestation: false,
             opt_out_notification_methods: if self.opt_out_notification_methods.is_empty() {
                 None
             } else {

codex-rs/app-server-client/src/remote.rs

@@ -73,6 +73,7 @@ impl RemoteAppServerConnectArgs {
     fn initialize_params(&self) -> InitializeParams {
         let capabilities = InitializeCapabilities {
             experimental_api: self.experimental_api,
+            request_attestation: false,
             opt_out_notification_methods: if self.opt_out_notification_methods.is_empty() {
                 None
             } else {

codex-rs/app-server-daemon/BUILD.bazel

@@ -0,0 +1,6 @@
+load("//:defs.bzl", "codex_rust_crate")
+
+codex_rust_crate(
+    name = "app-server-daemon",
+    crate_name = "codex_app_server_daemon",
+)

codex-rs/app-server-daemon/Cargo.toml

@@ -0,0 +1,39 @@
+[package]
+name = "codex-app-server-daemon"
+version.workspace = true
+edition.workspace = true
+license.workspace = true
+
+[lib]
+name = "codex_app_server_daemon"
+path = "src/lib.rs"
+doctest = false
+
+[lints]
+workspace = true
+
+[dependencies]
+anyhow = { workspace = true }
+codex-app-server-protocol = { workspace = true }
+codex-app-server-transport = { workspace = true }
+codex-core = { workspace = true }
+codex-uds = { workspace = true }
+futures = { workspace = true }
+libc = { workspace = true }
+reqwest = { workspace = true, features = ["rustls-tls"] }
+serde = { workspace = true, features = ["derive"] }
+serde_json = { workspace = true }
+tokio = { workspace = true, features = [
+    "fs",
+    "io-util",
+    "macros",
+    "process",
+    "rt-multi-thread",
+    "signal",
+    "time",
+] }
+tokio-tungstenite = { workspace = true }
+
+[dev-dependencies]
+pretty_assertions = { workspace = true }
+tempfile = { workspace = true }

codex-rs/app-server-daemon/README.md

@@ -0,0 +1,104 @@
+# codex-app-server-daemon
+
+> `codex-app-server-daemon` is experimental and its lifecycle contract may
+> change while the remote-management flow is still being developed.
+
+`codex-app-server-daemon` backs the machine-readable `codex app-server`
+lifecycle commands used by remote clients such as the desktop and mobile apps.
+It is intended for Codex instances launched over SSH, including fresh developer
+machines that should expose app-server with `remote_control` enabled.
+
+## Platform support
+
+The current daemon implementation is Unix-only. It uses pidfile-backed
+daemonization plus Unix process and file-locking primitives, and does not yet
+support Windows lifecycle management.
+
+## Commands
+
+```sh
+codex app-server daemon start
+codex app-server daemon restart
+codex app-server daemon enable-remote-control
+codex app-server daemon disable-remote-control
+codex app-server daemon stop
+codex app-server daemon version
+codex app-server daemon bootstrap --remote-control
+```
+
+On success, every command writes exactly one JSON object to stdout. Consumers
+should parse that JSON rather than relying on human-readable text. Lifecycle
+responses report the resolved backend, socket path, local CLI version, and
+running app-server version when applicable.
+
+## Bootstrap flow
+
+For a new remote machine:
+
+```sh
+curl -fsSL https://chatgpt.com/codex/install.sh | sh
+$HOME/.codex/packages/standalone/current/codex app-server daemon bootstrap --remote-control
+```
+
+`bootstrap` requires the standalone managed install. It records the daemon
+settings under `CODEX_HOME/app-server-daemon/`, starts app-server as a
+pidfile-backed detached process, and launches a detached updater loop.
+
+## Installation and update cases
+
+The daemon assumes Codex is installed through `install.sh` and always launches
+the standalone managed binary under `CODEX_HOME`.
+
+| Situation | What starts | Does this daemon fetch new binaries? | Does a running app-server eventually move to a newer binary on its own? |
+| --- | --- | --- | --- |
+| `install.sh` has run, but only `start` is used | `start` uses `CODEX_HOME/packages/standalone/current/codex` | No | No. The managed path is used when starting or restarting, but no updater is installed. |
+| `install.sh` has run, then `bootstrap` is used | The pidfile backend uses `CODEX_HOME/packages/standalone/current/codex` | Yes. Bootstrap launches a detached updater loop that runs `install.sh` hourly. | Yes, while that updater process is alive. After a successful fetch, it restarts a currently running app-server only when the managed binary reports a different version. |
+| Some other tool updates the managed binary path | The next fresh start or restart uses the updated file at that path | No | Not automatically. The existing process keeps the old executable image until an explicit `restart`. |
+
+### Standalone installs
+
+For installs created by `install.sh`:
+
+- lifecycle commands always use the standalone managed binary path
+- `bootstrap` is supported
+- `bootstrap` starts a detached pid-backed updater loop that fetches via
+  `install.sh`, then restarts app-server if it is running on a different version
+- the updater loop is not reboot-persistent; it must be started again by
+  rerunning `bootstrap` after a reboot
+
+### Out-of-band updates
+
+This daemon does not watch arbitrary executable files for replacement. If some
+other tool updates a binary that the daemon would use on its next launch:
+
+- a currently running app-server remains on the old executable image
+- `restart` will launch the updated binary
+- for bootstrapped daemons, the detached updater loop only reacts to updates it
+  fetched itself; it does not watch arbitrary file replacement
+
+## Lifecycle semantics
+
+`start` is idempotent and returns after app-server is ready to answer the normal
+JSON-RPC initialize handshake on the Unix control socket.
+
+`restart` stops any managed daemon and starts it again.
+
+`enable-remote-control` and `disable-remote-control` persist the launch setting
+for future starts. If a managed app-server is already running, they restart it
+so the new setting takes effect immediately.
+
+`stop` sends a graceful termination request first, then sends a second
+termination signal after the grace window if the process is still alive.
+
+All mutating lifecycle commands are serialized per `CODEX_HOME`, so a concurrent
+`start`, `restart`, `enable-remote-control`, `disable-remote-control`, `stop`,
+or `bootstrap` does not race another in-flight lifecycle operation.
+
+## State
+
+The daemon stores its local state under `CODEX_HOME/app-server-daemon/`:
+
+- `settings.json` for persisted launch settings
+- `app-server.pid` for the app-server process record
+- `app-server-updater.pid` for the pid-backed standalone updater loop
+- `daemon.lock` for daemon-wide lifecycle serialization

codex-rs/app-server-daemon/src/backend/mod.rs

@@ -0,0 +1,33 @@
+mod pid;
+
+use std::path::PathBuf;
+
+use serde::Serialize;
+
+pub(crate) use pid::PidBackend;
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub enum BackendKind {
+    Pid,
+}
+
+#[derive(Debug, Clone)]
+pub(crate) struct BackendPaths {
+    pub(crate) codex_bin: PathBuf,
+    pub(crate) pid_file: PathBuf,
+    pub(crate) update_pid_file: PathBuf,
+    pub(crate) remote_control_enabled: bool,
+}
+
+pub(crate) fn pid_backend(paths: BackendPaths) -> PidBackend {
+    PidBackend::new(
+        paths.codex_bin,
+        paths.pid_file,
+        paths.remote_control_enabled,
+    )
+}
+
+pub(crate) fn pid_update_loop_backend(paths: BackendPaths) -> PidBackend {
+    PidBackend::new_update_loop(paths.codex_bin, paths.update_pid_file)
+}

codex-rs/app-server-daemon/src/backend/pid.rs

@@ -0,0 +1,600 @@
+use std::path::Path;
+use std::path::PathBuf;
+#[cfg(unix)]
+use std::process::Stdio;
+use std::time::Duration;
+
+use anyhow::Context;
+use anyhow::Result;
+use anyhow::bail;
+use serde::Deserialize;
+use serde::Serialize;
+use tokio::fs;
+#[cfg(unix)]
+use tokio::process::Command;
+use tokio::time::sleep;
+
+const STOP_POLL_INTERVAL: Duration = Duration::from_millis(50);
+const STOP_GRACE_PERIOD: Duration = Duration::from_secs(60);
+const STOP_TIMEOUT: Duration = Duration::from_secs(70);
+const START_TIMEOUT: Duration = Duration::from_secs(10);
+
+#[derive(Debug)]
+#[cfg_attr(not(unix), allow(dead_code))]
+pub(crate) struct PidBackend {
+    codex_bin: PathBuf,
+    pid_file: PathBuf,
+    lock_file: PathBuf,
+    command_kind: PidCommandKind,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+struct PidRecord {
+    pid: u32,
+    process_start_time: String,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+enum PidFileState {
+    Missing,
+    Starting,
+    Running(PidRecord),
+}
+
+#[derive(Debug, Clone, Copy)]
+#[cfg_attr(not(unix), allow(dead_code))]
+enum PidCommandKind {
+    AppServer { remote_control_enabled: bool },
+    UpdateLoop,
+}
+
+impl PidBackend {
+    pub(crate) fn new(codex_bin: PathBuf, pid_file: PathBuf, remote_control_enabled: bool) -> Self {
+        let lock_file = pid_file.with_extension("pid.lock");
+        Self {
+            codex_bin,
+            pid_file,
+            lock_file,
+            command_kind: PidCommandKind::AppServer {
+                remote_control_enabled,
+            },
+        }
+    }
+
+    pub(crate) fn new_update_loop(codex_bin: PathBuf, pid_file: PathBuf) -> Self {
+        let lock_file = pid_file.with_extension("pid.lock");
+        Self {
+            codex_bin,
+            pid_file,
+            lock_file,
+            command_kind: PidCommandKind::UpdateLoop,
+        }
+    }
+
+    pub(crate) async fn is_starting_or_running(&self) -> Result<bool> {
+        loop {
+            match self.read_pid_file_state().await? {
+                PidFileState::Missing => return Ok(false),
+                PidFileState::Starting => return Ok(true),
+                PidFileState::Running(record) => {
+                    if self.record_is_active(&record).await? {
+                        return Ok(true);
+                    }
+                    match self.refresh_after_stale_record(&record).await? {
+                        PidFileState::Missing => return Ok(false),
+                        PidFileState::Starting | PidFileState::Running(_) => continue,
+                    }
+                }
+            }
+        }
+    }
+
+    #[cfg(unix)]
+    pub(crate) async fn start(&self) -> Result<Option<u32>> {
+        if let Some(parent) = self.pid_file.parent() {
+            fs::create_dir_all(parent)
+                .await
+                .with_context(|| format!("failed to create pid directory {}", parent.display()))?;
+        }
+        let reservation_lock = self.acquire_reservation_lock().await?;
+        let _pid_file = loop {
+            match fs::OpenOptions::new()
+                .create_new(true)
+                .write(true)
+                .open(&self.pid_file)
+                .await
+            {
+                Ok(pid_file) => break pid_file,
+                Err(err) if err.kind() == std::io::ErrorKind::AlreadyExists => {
+                    match self.read_pid_file_state_with_lock_held().await? {
+                        PidFileState::Missing => continue,
+                        PidFileState::Running(record) => {
+                            if self.record_is_active(&record).await? {
+                                return Ok(None);
+                            }
+                            let _ = fs::remove_file(&self.pid_file).await;
+                            continue;
+                        }
+                        PidFileState::Starting => {
+                            unreachable!("lock holder cannot observe starting")
+                        }
+                    }
+                }
+                Err(err) => {
+                    return Err(err).with_context(|| {
+                        format!("failed to reserve pid file {}", self.pid_file.display())
+                    });
+                }
+            }
+        };
+        let mut command = Command::new(&self.codex_bin);
+        command
+            .args(self.command_args())
+            .stdin(Stdio::null())
+            .stdout(Stdio::null())
+            .stderr(Stdio::null());
+
+        #[cfg(unix)]
+        {
+            unsafe {
+                command.pre_exec(|| {
+                    if libc::setsid() == -1 {
+                        return Err(std::io::Error::last_os_error());
+                    }
+                    Ok(())
+                });
+            }
+        }
+
+        let child = match command.spawn() {
+            Ok(child) => child,
+            Err(err) => {
+                let _ = fs::remove_file(&self.pid_file).await;
+                return Err(err).with_context(|| {
+                    format!(
+                        "failed to spawn detached app-server process using {}",
+                        self.codex_bin.display()
+                    )
+                });
+            }
+        };
+        let pid = child
+            .id()
+            .context("spawned app-server process has no pid")?;
+        let record = match read_process_start_time(pid).await {
+            Ok(process_start_time) => PidRecord {
+                pid,
+                process_start_time,
+            },
+            Err(err) => {
+                let _ = self.terminate_process(pid);
+                let _ = fs::remove_file(&self.pid_file).await;
+                return Err(err);
+            }
+        };
+        let contents = serde_json::to_vec(&record).context("failed to serialize pid record")?;
+        let temp_pid_file = self.pid_file.with_extension("pid.tmp");
+        if let Err(err) = fs::write(&temp_pid_file, &contents).await {
+            let _ = self.terminate_process(pid);
+            let _ = fs::remove_file(&self.pid_file).await;
+            return Err(err).with_context(|| {
+                format!("failed to write pid temp file {}", temp_pid_file.display())
+            });
+        }
+        if let Err(err) = fs::rename(&temp_pid_file, &self.pid_file).await {
+            let _ = self.terminate_process(pid);
+            let _ = fs::remove_file(&temp_pid_file).await;
+            let _ = fs::remove_file(&self.pid_file).await;
+            return Err(err).with_context(|| {
+                format!("failed to publish pid file {}", self.pid_file.display())
+            });
+        }
+        drop(reservation_lock);
+        Ok(Some(pid))
+    }
+
+    #[cfg(not(unix))]
+    pub(crate) async fn start(&self) -> Result<Option<u32>> {
+        bail!("pid-managed app-server startup is unsupported on this platform")
+    }
+
+    pub(crate) async fn stop(&self) -> Result<()> {
+        loop {
+            let Some(record) = self.wait_for_pid_start().await? else {
+                return Ok(());
+            };
+            if !self.record_is_active(&record).await? {
+                match self.refresh_after_stale_record(&record).await? {
+                    PidFileState::Missing => return Ok(()),
+                    PidFileState::Starting | PidFileState::Running(_) => continue,
+                }
+            }
+
+            let pid = record.pid;
+            self.terminate_process(pid)?;
+            let started_at = tokio::time::Instant::now();
+            let deadline = tokio::time::Instant::now() + STOP_TIMEOUT;
+            let mut forced = false;
+            while tokio::time::Instant::now() < deadline {
+                if !self.record_is_active(&record).await? {
+                    match self.refresh_after_stale_record(&record).await? {
+                        PidFileState::Missing => return Ok(()),
+                        PidFileState::Starting | PidFileState::Running(_) => break,
+                    }
+                }
+                if !forced && started_at.elapsed() >= STOP_GRACE_PERIOD {
+                    self.force_terminate_process(pid)?;
+                    forced = true;
+                }
+                sleep(STOP_POLL_INTERVAL).await;
+            }
+
+            if self.record_is_active(&record).await? {
+                bail!("timed out waiting for pid-managed app server {pid} to stop");
+            }
+        }
+    }
+
+    async fn wait_for_pid_start(&self) -> Result<Option<PidRecord>> {
+        let deadline = tokio::time::Instant::now() + START_TIMEOUT;
+        loop {
+            match self.read_pid_file_state().await? {
+                PidFileState::Missing => return Ok(None),
+                PidFileState::Running(record) => return Ok(Some(record)),
+                PidFileState::Starting if tokio::time::Instant::now() < deadline => {
+                    sleep(STOP_POLL_INTERVAL).await;
+                }
+                PidFileState::Starting => {
+                    bail!(
+                        "timed out waiting for pid reservation in {} to finish initializing",
+                        self.pid_file.display()
+                    );
+                }
+            }
+        }
+    }
+
+    async fn read_pid_file_state(&self) -> Result<PidFileState> {
+        let contents = match fs::read_to_string(&self.pid_file).await {
+            Ok(contents) => contents,
+            Err(err) if err.kind() == std::io::ErrorKind::NotFound => {
+                return if reservation_lock_is_active(&self.lock_file).await? {
+                    Ok(PidFileState::Starting)
+                } else {
+                    Ok(PidFileState::Missing)
+                };
+            }
+            Err(err) => {
+                return Err(err).with_context(|| {
+                    format!("failed to read pid file {}", self.pid_file.display())
+                });
+            }
+        };
+        if contents.trim().is_empty() {
+            match inspect_empty_pid_reservation(&self.pid_file, &self.lock_file).await? {
+                EmptyPidReservation::Active => {
+                    return Ok(PidFileState::Starting);
+                }
+                EmptyPidReservation::Stale => {
+                    return Ok(PidFileState::Missing);
+                }
+                EmptyPidReservation::Record(record) => return Ok(PidFileState::Running(record)),
+            }
+        }
+        let record = serde_json::from_str(&contents)
+            .with_context(|| format!("invalid pid file contents in {}", self.pid_file.display()))?;
+        Ok(PidFileState::Running(record))
+    }
+
+    async fn read_pid_file_state_with_lock_held(&self) -> Result<PidFileState> {
+        let contents = match fs::read_to_string(&self.pid_file).await {
+            Ok(contents) => contents,
+            Err(err) if err.kind() == std::io::ErrorKind::NotFound => {
+                return Ok(PidFileState::Missing);
+            }
+            Err(err) => {
+                return Err(err).with_context(|| {
+                    format!("failed to read pid file {}", self.pid_file.display())
+                });
+            }
+        };
+        if contents.trim().is_empty() {
+            let _ = fs::remove_file(&self.pid_file).await;
+            return Ok(PidFileState::Missing);
+        }
+        let record = serde_json::from_str(&contents)
+            .with_context(|| format!("invalid pid file contents in {}", self.pid_file.display()))?;
+        Ok(PidFileState::Running(record))
+    }
+
+    async fn refresh_after_stale_record(&self, expected: &PidRecord) -> Result<PidFileState> {
+        let reservation_lock = self.acquire_reservation_lock().await?;
+        let state = match self.read_pid_file_state_with_lock_held().await? {
+            PidFileState::Running(record) if record == *expected => {
+                let _ = fs::remove_file(&self.pid_file).await;
+                PidFileState::Missing
+            }
+            state => state,
+        };
+        drop(reservation_lock);
+        Ok(state)
+    }
+
+    async fn acquire_reservation_lock(&self) -> Result<fs::File> {
+        let reservation_lock = fs::OpenOptions::new()
+            .create(true)
+            .truncate(false)
+            .write(true)
+            .open(&self.lock_file)
+            .await
+            .with_context(|| {
+                format!("failed to open pid lock file {}", self.lock_file.display())
+            })?;
+        let lock_deadline = tokio::time::Instant::now() + START_TIMEOUT;
+        while !try_lock_file(&reservation_lock)? {
+            if tokio::time::Instant::now() >= lock_deadline {
+                bail!(
+                    "timed out waiting for pid lock {}",
+                    self.lock_file.display()
+                );
+            }
+            sleep(STOP_POLL_INTERVAL).await;
+        }
+        Ok(reservation_lock)
+    }
+
+    #[cfg(unix)]
+    fn command_args(&self) -> Vec<&'static str> {
+        match self.command_kind {
+            PidCommandKind::AppServer {
+                remote_control_enabled: true,
+            } => vec![
+                "--enable",
+                "remote_control",
+                "app-server",
+                "--listen",
+                "unix://",
+            ],
+            PidCommandKind::AppServer {
+                remote_control_enabled: false,
+            } => vec!["app-server", "--listen", "unix://"],
+            PidCommandKind::UpdateLoop => vec!["app-server", "daemon", "pid-update-loop"],
+        }
+    }
+
+    fn terminate_process(&self, pid: u32) -> Result<()> {
+        match self.command_kind {
+            PidCommandKind::AppServer { .. } => terminate_process(pid),
+            PidCommandKind::UpdateLoop => terminate_process(pid),
+        }
+    }
+
+    fn force_terminate_process(&self, pid: u32) -> Result<()> {
+        match self.command_kind {
+            PidCommandKind::AppServer { .. } => force_terminate_process(pid),
+            PidCommandKind::UpdateLoop => force_terminate_process_group(pid),
+        }
+    }
+
+    async fn record_is_active(&self, record: &PidRecord) -> Result<bool> {
+        process_matches_record(record).await
+    }
+}
+
+#[cfg(unix)]
+fn process_exists(pid: u32) -> bool {
+    let Ok(pid) = libc::pid_t::try_from(pid) else {
+        return false;
+    };
+    let result = unsafe { libc::kill(pid, 0) };
+    result == 0 || std::io::Error::last_os_error().raw_os_error() == Some(libc::EPERM)
+}
+
+#[cfg(unix)]
+fn terminate_process(pid: u32) -> Result<()> {
+    let raw_pid = libc::pid_t::try_from(pid)
+        .with_context(|| format!("pid-managed app server pid {pid} is out of range"))?;
+    let result = unsafe { libc::kill(raw_pid, libc::SIGTERM) };
+    if result == 0 {
+        return Ok(());
+    }
+    let err = std::io::Error::last_os_error();
+    if err.raw_os_error() == Some(libc::ESRCH) {
+        return Ok(());
+    }
+    Err(err).with_context(|| format!("failed to terminate pid-managed app server {pid}"))
+}
+
+#[cfg(unix)]
+fn force_terminate_process(pid: u32) -> Result<()> {
+    let raw_pid = libc::pid_t::try_from(pid)
+        .with_context(|| format!("pid-managed app server pid {pid} is out of range"))?;
+    let result = unsafe { libc::kill(raw_pid, libc::SIGKILL) };
+    if result == 0 {
+        return Ok(());
+    }
+    let err = std::io::Error::last_os_error();
+    if err.raw_os_error() == Some(libc::ESRCH) {
+        return Ok(());
+    }
+    Err(err).with_context(|| format!("failed to force terminate pid-managed app server {pid}"))
+}
+
+#[cfg(unix)]
+fn force_terminate_process_group(pid: u32) -> Result<()> {
+    let raw_pid = libc::pid_t::try_from(pid)
+        .with_context(|| format!("pid-managed updater pid {pid} is out of range"))?;
+    let result = unsafe { libc::kill(-raw_pid, libc::SIGKILL) };
+    if result == 0 {
+        return Ok(());
+    }
+    let err = std::io::Error::last_os_error();
+    if err.raw_os_error() == Some(libc::ESRCH) {
+        return Ok(());
+    }
+    Err(err).with_context(|| format!("failed to force terminate pid-managed updater group {pid}"))
+}
+
+#[cfg(not(unix))]
+fn terminate_process(_pid: u32) -> Result<()> {
+    bail!("pid-managed app-server shutdown is unsupported on this platform")
+}
+
+#[cfg(not(unix))]
+fn force_terminate_process(_pid: u32) -> Result<()> {
+    bail!("pid-managed app-server shutdown is unsupported on this platform")
+}
+
+#[cfg(not(unix))]
+fn force_terminate_process_group(_pid: u32) -> Result<()> {
+    bail!("pid-managed updater shutdown is unsupported on this platform")
+}
+
+#[cfg(unix)]
+async fn process_matches_record(record: &PidRecord) -> Result<bool> {
+    if !process_exists(record.pid) {
+        return Ok(false);
+    }
+
+    match read_process_start_time(record.pid).await {
+        Ok(start_time) => Ok(start_time == record.process_start_time),
+        Err(_err) if !process_exists(record.pid) => Ok(false),
+        Err(err) => Err(err),
+    }
+}
+
+#[cfg(not(unix))]
+async fn process_matches_record(_record: &PidRecord) -> Result<bool> {
+    Ok(false)
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(not(unix), allow(dead_code))]
+enum EmptyPidReservation {
+    Active,
+    Stale,
+    Record(PidRecord),
+}
+
+#[cfg(unix)]
+fn try_lock_file(file: &fs::File) -> Result<bool> {
+    use std::os::fd::AsRawFd;
+
+    let result = unsafe { libc::flock(file.as_raw_fd(), libc::LOCK_EX | libc::LOCK_NB) };
+    if result == 0 {
+        return Ok(true);
+    }
+
+    let err = std::io::Error::last_os_error();
+    if err.raw_os_error() == Some(libc::EWOULDBLOCK) {
+        return Ok(false);
+    }
+    Err(err).context("failed to lock pid reservation")
+}
+
+#[cfg(not(unix))]
+fn try_lock_file(_file: &fs::File) -> Result<bool> {
+    bail!("pid-managed app-server startup is unsupported on this platform")
+}
+
+#[cfg(unix)]
+async fn reservation_lock_is_active(path: &Path) -> Result<bool> {
+    let file = match fs::OpenOptions::new()
+        .write(true)
+        .create(true)
+        .truncate(false)
+        .open(path)
+        .await
+    {
+        Ok(file) => file,
+        Err(err) if err.kind() == std::io::ErrorKind::NotFound => {
+            return Ok(false);
+        }
+        Err(err) => {
+            return Err(err)
+                .with_context(|| format!("failed to inspect pid lock file {}", path.display()));
+        }
+    };
+    Ok(!try_lock_file(&file)?)
+}
+
+#[cfg(not(unix))]
+async fn reservation_lock_is_active(_path: &Path) -> Result<bool> {
+    Ok(false)
+}
+
+#[cfg(unix)]
+async fn inspect_empty_pid_reservation(
+    pid_path: &Path,
+    lock_path: &Path,
+) -> Result<EmptyPidReservation> {
+    let file = match fs::OpenOptions::new()
+        .write(true)
+        .create(true)
+        .truncate(false)
+        .open(lock_path)
+        .await
+    {
+        Ok(file) => file,
+        Err(err) => {
+            return Err(err).with_context(|| {
+                format!("failed to inspect pid lock file {}", lock_path.display())
+            });
+        }
+    };
+    if !try_lock_file(&file)? {
+        return Ok(EmptyPidReservation::Active);
+    }
+
+    let contents = match fs::read_to_string(pid_path).await {
+        Ok(contents) => contents,
+        Err(err) if err.kind() == std::io::ErrorKind::NotFound => {
+            return Ok(EmptyPidReservation::Stale);
+        }
+        Err(err) => {
+            return Err(err)
+                .with_context(|| format!("failed to reread pid file {}", pid_path.display()));
+        }
+    };
+    if contents.trim().is_empty() {
+        let _ = fs::remove_file(pid_path).await;
+        return Ok(EmptyPidReservation::Stale);
+    }
+
+    let record = serde_json::from_str(&contents)
+        .with_context(|| format!("invalid pid file contents in {}", pid_path.display()))?;
+    Ok(EmptyPidReservation::Record(record))
+}
+
+#[cfg(not(unix))]
+async fn inspect_empty_pid_reservation(
+    _pid_path: &Path,
+    _lock_path: &Path,
+) -> Result<EmptyPidReservation> {
+    Ok(EmptyPidReservation::Stale)
+}
+
+#[cfg(unix)]
+async fn read_process_start_time(pid: u32) -> Result<String> {
+    let output = Command::new("ps")
+        .args(["-p", &pid.to_string(), "-o", "lstart="])
+        .output()
+        .await
+        .context("failed to invoke ps for pid-managed app server")?;
+    if !output.status.success() {
+        bail!("failed to read start time for pid-managed app server {pid}");
+    }
+
+    let start_time = String::from_utf8(output.stdout)
+        .context("pid-managed app server start time was not utf-8")?;
+    let start_time = start_time.trim();
+    if start_time.is_empty() {
+        bail!("pid-managed app server {pid} has no recorded start time");
+    }
+    Ok(start_time.to_string())
+}
+
+#[cfg(all(test, unix))]
+#[path = "pid_tests.rs"]
+mod tests;

codex-rs/app-server-daemon/src/backend/pid_tests.rs

@@ -0,0 +1,158 @@
+use std::time::Duration;
+
+use pretty_assertions::assert_eq;
+use tempfile::TempDir;
+
+use super::PidBackend;
+use super::PidCommandKind;
+use super::PidFileState;
+use super::PidRecord;
+use super::try_lock_file;
+
+#[tokio::test]
+async fn locked_empty_pid_file_is_treated_as_active_reservation() {
+    let temp_dir = TempDir::new().expect("temp dir");
+    let pid_file = temp_dir.path().join("app-server.pid");
+    tokio::fs::write(&pid_file, "")
+        .await
+        .expect("write pid file");
+    let backend = PidBackend::new(
+        temp_dir.path().join("codex"),
+        pid_file.clone(),
+        /*remote_control_enabled*/ false,
+    );
+    let reservation = tokio::fs::OpenOptions::new()
+        .create(true)
+        .truncate(false)
+        .write(true)
+        .open(&backend.lock_file)
+        .await
+        .expect("open pid lock file");
+    assert!(try_lock_file(&reservation).expect("lock reservation"));
+
+    assert_eq!(
+        backend.read_pid_file_state().await.expect("read pid"),
+        PidFileState::Starting
+    );
+    assert!(pid_file.exists());
+}
+
+#[tokio::test]
+async fn unlocked_empty_pid_file_is_treated_as_stale_reservation() {
+    let temp_dir = TempDir::new().expect("temp dir");
+    let pid_file = temp_dir.path().join("app-server.pid");
+    tokio::fs::write(&pid_file, "")
+        .await
+        .expect("write pid file");
+    let backend = PidBackend::new(
+        temp_dir.path().join("codex"),
+        pid_file.clone(),
+        /*remote_control_enabled*/ false,
+    );
+
+    assert_eq!(
+        backend.read_pid_file_state().await.expect("read pid"),
+        PidFileState::Missing
+    );
+    assert!(!pid_file.exists());
+}
+
+#[tokio::test]
+async fn stop_waits_for_live_reservation_to_resolve() {
+    let temp_dir = TempDir::new().expect("temp dir");
+    let pid_file = temp_dir.path().join("app-server.pid");
+    tokio::fs::write(&pid_file, "")
+        .await
+        .expect("write pid file");
+    let backend = PidBackend::new(
+        temp_dir.path().join("codex"),
+        pid_file.clone(),
+        /*remote_control_enabled*/ false,
+    );
+    let reservation = tokio::fs::OpenOptions::new()
+        .create(true)
+        .truncate(false)
+        .write(true)
+        .open(&backend.lock_file)
+        .await
+        .expect("open pid lock file");
+    assert!(try_lock_file(&reservation).expect("lock reservation"));
+    let cleanup = tokio::spawn(async move {
+        tokio::time::sleep(Duration::from_millis(50)).await;
+        drop(reservation);
+        tokio::fs::remove_file(pid_file)
+            .await
+            .expect("remove pid file");
+    });
+
+    backend.stop().await.expect("stop");
+    cleanup.await.expect("cleanup task");
+}
+
+#[tokio::test]
+async fn start_retries_stale_empty_pid_file_under_its_own_lock() {
+    let temp_dir = TempDir::new().expect("temp dir");
+    let pid_file = temp_dir.path().join("app-server.pid");
+    tokio::fs::write(&pid_file, "")
+        .await
+        .expect("write pid file");
+    let backend = PidBackend::new(
+        temp_dir.path().join("missing-codex"),
+        pid_file,
+        /*remote_control_enabled*/ false,
+    );
+
+    let err = backend.start().await.expect_err("start");
+    assert!(
+        err.to_string()
+            .starts_with("failed to spawn detached app-server process using ")
+    );
+}
+
+#[tokio::test]
+async fn stale_record_cleanup_preserves_replacement_record() {
+    let temp_dir = TempDir::new().expect("temp dir");
+    let pid_file = temp_dir.path().join("app-server.pid");
+    let backend = PidBackend::new(
+        temp_dir.path().join("codex"),
+        pid_file.clone(),
+        /*remote_control_enabled*/ false,
+    );
+    let stale = PidRecord {
+        pid: 1,
+        process_start_time: "old".to_string(),
+    };
+    let replacement = PidRecord {
+        pid: 2,
+        process_start_time: "new".to_string(),
+    };
+    tokio::fs::write(
+        &pid_file,
+        serde_json::to_vec(&replacement).expect("serialize replacement"),
+    )
+    .await
+    .expect("write replacement pid file");
+
+    assert_eq!(
+        backend
+            .refresh_after_stale_record(&stale)
+            .await
+            .expect("cleanup"),
+        PidFileState::Running(replacement)
+    );
+}
+
+#[test]
+fn update_loop_uses_hidden_app_server_subcommand() {
+    let backend = PidBackend {
+        codex_bin: "codex".into(),
+        pid_file: "updater.pid".into(),
+        lock_file: "updater.pid.lock".into(),
+        command_kind: PidCommandKind::UpdateLoop,
+    };
+
+    assert_eq!(
+        backend.command_args(),
+        vec!["app-server", "daemon", "pid-update-loop"]
+    );
+}

codex-rs/app-server-daemon/src/client.rs

@@ -0,0 +1,131 @@
+use std::path::Path;
+use std::time::Duration;
+
+use anyhow::Context;
+use anyhow::Result;
+use anyhow::anyhow;
+use codex_app_server_protocol::ClientInfo;
+use codex_app_server_protocol::InitializeParams;
+use codex_app_server_protocol::InitializeResponse;
+use codex_app_server_protocol::JSONRPCMessage;
+use codex_app_server_protocol::JSONRPCNotification;
+use codex_app_server_protocol::JSONRPCRequest;
+use codex_app_server_protocol::RequestId;
+use codex_uds::UnixStream;
+use futures::SinkExt;
+use futures::StreamExt;
+use tokio::time::timeout;
+use tokio_tungstenite::client_async;
+use tokio_tungstenite::tungstenite::Message;
+
+const PROBE_TIMEOUT: Duration = Duration::from_secs(2);
+const CLIENT_NAME: &str = "codex_app_server_daemon";
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub(crate) struct ProbeInfo {
+    pub(crate) app_server_version: String,
+}
+
+pub(crate) async fn probe(socket_path: &Path) -> Result<ProbeInfo> {
+    timeout(PROBE_TIMEOUT, probe_inner(socket_path))
+        .await
+        .with_context(|| {
+            format!(
+                "timed out probing app-server control socket {}",
+                socket_path.display()
+            )
+        })?
+}
+
+async fn probe_inner(socket_path: &Path) -> Result<ProbeInfo> {
+    let stream = UnixStream::connect(socket_path)
+        .await
+        .with_context(|| format!("failed to connect to {}", socket_path.display()))?;
+    let (mut websocket, _response) = client_async("ws://localhost/", stream)
+        .await
+        .with_context(|| format!("failed to upgrade {}", socket_path.display()))?;
+
+    let initialize = JSONRPCMessage::Request(JSONRPCRequest {
+        id: RequestId::Integer(1),
+        method: "initialize".to_string(),
+        params: Some(serde_json::to_value(InitializeParams {
+            client_info: ClientInfo {
+                name: CLIENT_NAME.to_string(),
+                title: Some("Codex App Server Daemon".to_string()),
+                version: env!("CARGO_PKG_VERSION").to_string(),
+            },
+            capabilities: None,
+        })?),
+        trace: None,
+    });
+    websocket
+        .send(Message::Text(serde_json::to_string(&initialize)?.into()))
+        .await
+        .context("failed to send initialize request")?;
+
+    let response = loop {
+        let frame = websocket
+            .next()
+            .await
+            .ok_or_else(|| anyhow!("app-server closed before initialize response"))??;
+        let Message::Text(payload) = frame else {
+            continue;
+        };
+        let message = serde_json::from_str::<JSONRPCMessage>(&payload)?;
+        if let JSONRPCMessage::Response(response) = message
+            && response.id == RequestId::Integer(1)
+        {
+            break response;
+        }
+    };
+    let initialize_response = serde_json::from_value::<InitializeResponse>(response.result)?;
+
+    let initialized = JSONRPCMessage::Notification(JSONRPCNotification {
+        method: "initialized".to_string(),
+        params: None,
+    });
+    websocket
+        .send(Message::Text(serde_json::to_string(&initialized)?.into()))
+        .await
+        .context("failed to send initialized notification")?;
+    websocket.close(None).await.ok();
+
+    Ok(ProbeInfo {
+        app_server_version: parse_version_from_user_agent(&initialize_response.user_agent)?,
+    })
+}
+
+fn parse_version_from_user_agent(user_agent: &str) -> Result<String> {
+    let (_originator, rest) = user_agent
+        .split_once('/')
+        .ok_or_else(|| anyhow!("app-server user-agent omitted version separator"))?;
+    let version = rest
+        .split_whitespace()
+        .next()
+        .filter(|version| !version.is_empty())
+        .ok_or_else(|| anyhow!("app-server user-agent omitted version"))?;
+    Ok(version.to_string())
+}
+
+#[cfg(all(test, unix))]
+mod tests {
+    use pretty_assertions::assert_eq;
+
+    use super::parse_version_from_user_agent;
+
+    #[test]
+    fn parses_version_from_codex_user_agent() {
+        assert_eq!(
+            parse_version_from_user_agent(
+                "codex_app_server_daemon/1.2.3 (Linux 6.8.0; x86_64) codex_cli_rs/1.2.3",
+            )
+            .expect("version"),
+            "1.2.3"
+        );
+    }
+
+    #[test]
+    fn rejects_user_agent_without_version() {
+        assert!(parse_version_from_user_agent("codex_app_server_daemon").is_err());
+    }
+}

codex-rs/app-server-daemon/src/lib.rs

@@ -0,0 +1,630 @@
+mod backend;
+mod client;
+mod managed_install;
+mod settings;
+mod update_loop;
+
+use std::path::PathBuf;
+use std::time::Duration;
+
+use anyhow::Context;
+use anyhow::Result;
+use anyhow::anyhow;
+pub use backend::BackendKind;
+use backend::BackendPaths;
+use codex_app_server_transport::app_server_control_socket_path;
+use codex_core::config::find_codex_home;
+use managed_install::managed_codex_bin;
+#[cfg(unix)]
+use managed_install::managed_codex_version;
+use serde::Serialize;
+use settings::DaemonSettings;
+use tokio::time::sleep;
+
+const START_POLL_INTERVAL: Duration = Duration::from_millis(50);
+const START_TIMEOUT: Duration = Duration::from_secs(10);
+const OPERATION_LOCK_TIMEOUT: Duration = Duration::from_secs(75);
+const PID_FILE_NAME: &str = "app-server.pid";
+const UPDATE_PID_FILE_NAME: &str = "app-server-updater.pid";
+const OPERATION_LOCK_FILE_NAME: &str = "daemon.lock";
+const SETTINGS_FILE_NAME: &str = "settings.json";
+const STATE_DIR_NAME: &str = "app-server-daemon";
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum LifecycleCommand {
+    Start,
+    Restart,
+    Stop,
+    Version,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub enum LifecycleStatus {
+    AlreadyRunning,
+    Started,
+    Restarted,
+    Stopped,
+    NotRunning,
+    Running,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct LifecycleOutput {
+    pub status: LifecycleStatus,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub backend: Option<BackendKind>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub pid: Option<u32>,
+    pub socket_path: PathBuf,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub cli_version: Option<String>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub app_server_version: Option<String>,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub struct BootstrapOptions {
+    pub remote_control_enabled: bool,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub enum BootstrapStatus {
+    Bootstrapped,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct BootstrapOutput {
+    pub status: BootstrapStatus,
+    pub backend: BackendKind,
+    pub auto_update_enabled: bool,
+    pub remote_control_enabled: bool,
+    pub managed_codex_path: PathBuf,
+    pub socket_path: PathBuf,
+    pub cli_version: String,
+    pub app_server_version: String,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum RemoteControlMode {
+    Enabled,
+    Disabled,
+}
+
+impl RemoteControlMode {
+    fn is_enabled(self) -> bool {
+        matches!(self, Self::Enabled)
+    }
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub enum RemoteControlStatus {
+    Enabled,
+    Disabled,
+    AlreadyEnabled,
+    AlreadyDisabled,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct RemoteControlOutput {
+    pub status: RemoteControlStatus,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub backend: Option<BackendKind>,
+    pub remote_control_enabled: bool,
+    pub socket_path: PathBuf,
+    pub cli_version: String,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub app_server_version: Option<String>,
+}
+
+#[cfg(unix)]
+pub(crate) enum RestartIfRunningOutcome {
+    Completed,
+    Busy,
+}
+
+pub async fn run(command: LifecycleCommand) -> Result<LifecycleOutput> {
+    ensure_supported_platform()?;
+    Daemon::from_environment()?.run(command).await
+}
+
+pub async fn bootstrap(options: BootstrapOptions) -> Result<BootstrapOutput> {
+    ensure_supported_platform()?;
+    Daemon::from_environment()?.bootstrap(options).await
+}
+
+pub async fn set_remote_control(mode: RemoteControlMode) -> Result<RemoteControlOutput> {
+    ensure_supported_platform()?;
+    Daemon::from_environment()?.set_remote_control(mode).await
+}
+
+pub async fn run_pid_update_loop() -> Result<()> {
+    ensure_supported_platform()?;
+    update_loop::run().await
+}
+
+#[cfg(unix)]
+fn ensure_supported_platform() -> Result<()> {
+    Ok(())
+}
+
+#[cfg(not(unix))]
+fn ensure_supported_platform() -> Result<()> {
+    Err(anyhow!(
+        "codex app-server daemon lifecycle is only supported on Unix platforms"
+    ))
+}
+
+struct Daemon {
+    socket_path: PathBuf,
+    pid_file: PathBuf,
+    update_pid_file: PathBuf,
+    operation_lock_file: PathBuf,
+    settings_file: PathBuf,
+    managed_codex_bin: PathBuf,
+}
+
+impl Daemon {
+    fn from_environment() -> Result<Self> {
+        let codex_home = find_codex_home().context("failed to resolve CODEX_HOME")?;
+        let socket_path = app_server_control_socket_path(codex_home.as_path())?
+            .as_path()
+            .to_path_buf();
+        let state_dir = codex_home.as_path().join(STATE_DIR_NAME);
+        Ok(Self {
+            socket_path,
+            pid_file: state_dir.join(PID_FILE_NAME),
+            update_pid_file: state_dir.join(UPDATE_PID_FILE_NAME),
+            operation_lock_file: state_dir.join(OPERATION_LOCK_FILE_NAME),
+            settings_file: state_dir.join(SETTINGS_FILE_NAME),
+            managed_codex_bin: managed_codex_bin(codex_home.as_path()),
+        })
+    }
+
+    async fn run(&self, command: LifecycleCommand) -> Result<LifecycleOutput> {
+        match command {
+            LifecycleCommand::Start => {
+                let _operation_lock = self.acquire_operation_lock().await?;
+                self.start().await
+            }
+            LifecycleCommand::Restart => {
+                let _operation_lock = self.acquire_operation_lock().await?;
+                self.restart().await
+            }
+            LifecycleCommand::Stop => {
+                let _operation_lock = self.acquire_operation_lock().await?;
+                self.stop().await
+            }
+            LifecycleCommand::Version => self.version().await,
+        }
+    }
+
+    async fn start(&self) -> Result<LifecycleOutput> {
+        let settings = self.load_settings().await?;
+        if let Ok(info) = client::probe(&self.socket_path).await {
+            return Ok(self.output(
+                LifecycleStatus::AlreadyRunning,
+                self.running_backend(&settings).await?,
+                /*pid*/ None,
+                Some(info.app_server_version),
+            ));
+        }
+
+        if self.running_backend_instance(&settings).await?.is_some() {
+            let info = self.wait_until_ready().await?;
+            return Ok(self.output(
+                LifecycleStatus::AlreadyRunning,
+                Some(BackendKind::Pid),
+                /*pid*/ None,
+                Some(info.app_server_version),
+            ));
+        }
+
+        self.ensure_managed_codex_bin()?;
+        let pid = self.start_managed_backend(&settings).await?;
+        let info = self.wait_until_ready().await?;
+        Ok(self.output(
+            LifecycleStatus::Started,
+            Some(BackendKind::Pid),
+            pid,
+            Some(info.app_server_version),
+        ))
+    }
+
+    async fn restart(&self) -> Result<LifecycleOutput> {
+        let settings = self.load_settings().await?;
+        if client::probe(&self.socket_path).await.is_ok()
+            && self.running_backend(&settings).await?.is_none()
+        {
+            return Err(anyhow!(
+                "app server is running but is not managed by codex app-server daemon"
+            ));
+        }
+
+        self.ensure_managed_codex_bin()?;
+        if let Some(backend) = self.running_backend_instance(&settings).await? {
+            backend.stop().await?;
+        }
+
+        let pid = self.start_managed_backend(&settings).await?;
+        let info = self.wait_until_ready().await?;
+        Ok(self.output(
+            LifecycleStatus::Restarted,
+            Some(BackendKind::Pid),
+            pid,
+            Some(info.app_server_version),
+        ))
+    }
+
+    #[cfg(unix)]
+    pub(crate) async fn try_restart_if_running(&self) -> Result<RestartIfRunningOutcome> {
+        let operation_lock = self.open_operation_lock_file().await?;
+        if !try_lock_file(&operation_lock)? {
+            return Ok(RestartIfRunningOutcome::Busy);
+        }
+        let settings = self.load_settings().await?;
+        if let Some(backend) = self.running_backend_instance(&settings).await? {
+            let Ok(info) = client::probe(&self.socket_path).await else {
+                return Ok(RestartIfRunningOutcome::Completed);
+            };
+            let managed_version = managed_codex_version(&self.managed_codex_bin).await?;
+            if info.app_server_version == managed_version {
+                return Ok(RestartIfRunningOutcome::Completed);
+            }
+            backend.stop().await?;
+            let _ = self.start_managed_backend(&settings).await?;
+            self.wait_until_ready().await?;
+            return Ok(RestartIfRunningOutcome::Completed);
+        }
+
+        if client::probe(&self.socket_path).await.is_ok() {
+            return Err(anyhow!(
+                "app server is running but is not managed by codex app-server daemon"
+            ));
+        }
+
+        Ok(RestartIfRunningOutcome::Completed)
+    }
+
+    async fn stop(&self) -> Result<LifecycleOutput> {
+        let settings = self.load_settings().await?;
+        if let Some(backend) = self.running_backend_instance(&settings).await? {
+            backend.stop().await?;
+            return Ok(self.output(
+                LifecycleStatus::Stopped,
+                Some(BackendKind::Pid),
+                /*pid*/ None,
+                /*app_server_version*/ None,
+            ));
+        }
+
+        if client::probe(&self.socket_path).await.is_ok() {
+            return Err(anyhow!(
+                "app server is running but is not managed by codex app-server daemon"
+            ));
+        }
+
+        Ok(self.output(
+            LifecycleStatus::NotRunning,
+            /*backend*/ None,
+            /*pid*/ None,
+            /*app_server_version*/ None,
+        ))
+    }
+
+    async fn version(&self) -> Result<LifecycleOutput> {
+        let settings = self.load_settings().await?;
+        let info = client::probe(&self.socket_path).await?;
+        Ok(self.output(
+            LifecycleStatus::Running,
+            self.running_backend(&settings).await?,
+            /*pid*/ None,
+            Some(info.app_server_version),
+        ))
+    }
+
+    async fn wait_until_ready(&self) -> Result<client::ProbeInfo> {
+        let deadline = tokio::time::Instant::now() + START_TIMEOUT;
+        loop {
+            match client::probe(&self.socket_path).await {
+                Ok(info) => return Ok(info),
+                Err(err) if tokio::time::Instant::now() < deadline => {
+                    let _ = err;
+                    sleep(START_POLL_INTERVAL).await;
+                }
+                Err(err) => {
+                    return Err(err).with_context(|| {
+                        format!(
+                            "app server did not become ready on {}",
+                            self.socket_path.display()
+                        )
+                    });
+                }
+            }
+        }
+    }
+
+    async fn bootstrap(&self, options: BootstrapOptions) -> Result<BootstrapOutput> {
+        let _operation_lock = self.acquire_operation_lock().await?;
+        self.bootstrap_locked(options).await
+    }
+
+    async fn set_remote_control(&self, mode: RemoteControlMode) -> Result<RemoteControlOutput> {
+        let _operation_lock = self.acquire_operation_lock().await?;
+        let previous_settings = self.load_settings().await?;
+        let mut settings = previous_settings.clone();
+        let remote_control_enabled = mode.is_enabled();
+        let backend = self.running_backend_instance(&previous_settings).await?;
+
+        if backend.is_none() && client::probe(&self.socket_path).await.is_ok() {
+            return Err(anyhow!(
+                "app server is running but is not managed by codex app-server daemon"
+            ));
+        }
+
+        if settings.remote_control_enabled == remote_control_enabled {
+            let info = if backend.is_some() {
+                Some(self.wait_until_ready().await?)
+            } else {
+                None
+            };
+            return Ok(self.remote_control_output(
+                already_remote_control_status(mode),
+                backend.map(|_| BackendKind::Pid),
+                remote_control_enabled,
+                info.map(|info| info.app_server_version),
+            ));
+        }
+
+        settings.remote_control_enabled = remote_control_enabled;
+        settings.save(&self.settings_file).await?;
+
+        let app_server_version = if let Some(backend) = backend {
+            self.ensure_managed_codex_bin()?;
+            backend.stop().await?;
+            let _ = self.start_managed_backend(&settings).await?;
+            Some(self.wait_until_ready().await?.app_server_version)
+        } else {
+            None
+        };
+
+        Ok(self.remote_control_output(
+            remote_control_status(mode),
+            app_server_version.as_ref().map(|_| BackendKind::Pid),
+            remote_control_enabled,
+            app_server_version,
+        ))
+    }
+
+    async fn bootstrap_locked(&self, options: BootstrapOptions) -> Result<BootstrapOutput> {
+        self.ensure_managed_codex_bin()?;
+
+        let settings = DaemonSettings {
+            remote_control_enabled: options.remote_control_enabled,
+        };
+        if client::probe(&self.socket_path).await.is_ok()
+            && self.running_backend(&settings).await?.is_none()
+        {
+            return Err(anyhow!(
+                "app server is running but is not managed by codex app-server daemon"
+            ));
+        }
+        settings.save(&self.settings_file).await?;
+
+        if let Some(backend) = self.running_backend_instance(&settings).await? {
+            backend.stop().await?;
+        }
+
+        let backend = backend::pid_backend(self.backend_paths(&settings));
+        backend.start().await?;
+        let updater = backend::pid_update_loop_backend(self.backend_paths(&settings));
+        if updater.is_starting_or_running().await? {
+            updater.stop().await?;
+        }
+        updater.start().await?;
+
+        let info = self.wait_until_ready().await?;
+        Ok(BootstrapOutput {
+            status: BootstrapStatus::Bootstrapped,
+            backend: BackendKind::Pid,
+            auto_update_enabled: true,
+            remote_control_enabled: settings.remote_control_enabled,
+            managed_codex_path: self.managed_codex_bin.clone(),
+            socket_path: self.socket_path.clone(),
+            cli_version: env!("CARGO_PKG_VERSION").to_string(),
+            app_server_version: info.app_server_version,
+        })
+    }
+
+    async fn running_backend(&self, settings: &DaemonSettings) -> Result<Option<BackendKind>> {
+        Ok(self
+            .running_backend_instance(settings)
+            .await?
+            .map(|_| BackendKind::Pid))
+    }
+
+    async fn running_backend_instance(
+        &self,
+        settings: &DaemonSettings,
+    ) -> Result<Option<backend::PidBackend>> {
+        let backend = backend::pid_backend(self.backend_paths(settings));
+        if backend.is_starting_or_running().await? {
+            return Ok(Some(backend));
+        }
+        Ok(None)
+    }
+
+    async fn start_managed_backend(&self, settings: &DaemonSettings) -> Result<Option<u32>> {
+        let backend = backend::pid_backend(self.backend_paths(settings));
+        backend.start().await
+    }
+
+    fn ensure_managed_codex_bin(&self) -> Result<()> {
+        if self.managed_codex_bin.is_file() {
+            return Ok(());
+        }
+
+        Err(anyhow!(
+            "managed standalone Codex install not found at {}; install Codex first",
+            self.managed_codex_bin.display()
+        ))
+    }
+
+    fn backend_paths(&self, settings: &DaemonSettings) -> BackendPaths {
+        BackendPaths {
+            codex_bin: self.managed_codex_bin.clone(),
+            pid_file: self.pid_file.clone(),
+            update_pid_file: self.update_pid_file.clone(),
+            remote_control_enabled: settings.remote_control_enabled,
+        }
+    }
+
+    async fn load_settings(&self) -> Result<DaemonSettings> {
+        DaemonSettings::load(&self.settings_file).await
+    }
+
+    async fn acquire_operation_lock(&self) -> Result<tokio::fs::File> {
+        let operation_lock = self.open_operation_lock_file().await?;
+        let deadline = tokio::time::Instant::now() + OPERATION_LOCK_TIMEOUT;
+        while !try_lock_file(&operation_lock)? {
+            if tokio::time::Instant::now() >= deadline {
+                return Err(anyhow!(
+                    "timed out waiting for daemon operation lock {}",
+                    self.operation_lock_file.display()
+                ));
+            }
+            sleep(START_POLL_INTERVAL).await;
+        }
+        Ok(operation_lock)
+    }
+
+    async fn open_operation_lock_file(&self) -> Result<tokio::fs::File> {
+        if let Some(parent) = self.operation_lock_file.parent() {
+            tokio::fs::create_dir_all(parent).await.with_context(|| {
+                format!(
+                    "failed to create daemon state directory {}",
+                    parent.display()
+                )
+            })?;
+        }
+        tokio::fs::OpenOptions::new()
+            .create(true)
+            .truncate(false)
+            .write(true)
+            .open(&self.operation_lock_file)
+            .await
+            .with_context(|| {
+                format!(
+                    "failed to open daemon operation lock {}",
+                    self.operation_lock_file.display()
+                )
+            })
+    }
+
+    fn output(
+        &self,
+        status: LifecycleStatus,
+        backend: Option<BackendKind>,
+        pid: Option<u32>,
+        app_server_version: Option<String>,
+    ) -> LifecycleOutput {
+        LifecycleOutput {
+            status,
+            backend,
+            pid,
+            socket_path: self.socket_path.clone(),
+            cli_version: Some(env!("CARGO_PKG_VERSION").to_string()),
+            app_server_version,
+        }
+    }
+
+    fn remote_control_output(
+        &self,
+        status: RemoteControlStatus,
+        backend: Option<BackendKind>,
+        remote_control_enabled: bool,
+        app_server_version: Option<String>,
+    ) -> RemoteControlOutput {
+        RemoteControlOutput {
+            status,
+            backend,
+            remote_control_enabled,
+            socket_path: self.socket_path.clone(),
+            cli_version: env!("CARGO_PKG_VERSION").to_string(),
+            app_server_version,
+        }
+    }
+}
+
+fn remote_control_status(mode: RemoteControlMode) -> RemoteControlStatus {
+    match mode {
+        RemoteControlMode::Enabled => RemoteControlStatus::Enabled,
+        RemoteControlMode::Disabled => RemoteControlStatus::Disabled,
+    }
+}
+
+fn already_remote_control_status(mode: RemoteControlMode) -> RemoteControlStatus {
+    match mode {
+        RemoteControlMode::Enabled => RemoteControlStatus::AlreadyEnabled,
+        RemoteControlMode::Disabled => RemoteControlStatus::AlreadyDisabled,
+    }
+}
+
+#[cfg(unix)]
+fn try_lock_file(file: &tokio::fs::File) -> Result<bool> {
+    use std::os::fd::AsRawFd;
+
+    let result = unsafe { libc::flock(file.as_raw_fd(), libc::LOCK_EX | libc::LOCK_NB) };
+    if result == 0 {
+        return Ok(true);
+    }
+
+    let err = std::io::Error::last_os_error();
+    if err.raw_os_error() == Some(libc::EWOULDBLOCK) {
+        return Ok(false);
+    }
+    Err(err).context("failed to lock daemon operation")
+}
+
+#[cfg(not(unix))]
+fn try_lock_file(_file: &tokio::fs::File) -> Result<bool> {
+    Ok(true)
+}
+
+#[cfg(all(test, unix))]
+mod tests {
+    use pretty_assertions::assert_eq;
+
+    use super::BootstrapStatus;
+    use super::LifecycleStatus;
+    use super::RemoteControlStatus;
+
+    #[test]
+    fn lifecycle_status_uses_camel_case_json() {
+        assert_eq!(
+            serde_json::to_string(&LifecycleStatus::AlreadyRunning).expect("serialize"),
+            "\"alreadyRunning\""
+        );
+    }
+
+    #[test]
+    fn bootstrap_status_uses_camel_case_json() {
+        assert_eq!(
+            serde_json::to_string(&BootstrapStatus::Bootstrapped).expect("serialize"),
+            "\"bootstrapped\""
+        );
+    }
+
+    #[test]
+    fn remote_control_status_uses_camel_case_json() {
+        assert_eq!(
+            serde_json::to_string(&RemoteControlStatus::AlreadyEnabled).expect("serialize"),
+            "\"alreadyEnabled\""
+        );
+    }
+}

codex-rs/app-server-daemon/src/managed_install.rs

@@ -0,0 +1,66 @@
+use std::path::Path;
+use std::path::PathBuf;
+
+#[cfg(unix)]
+use anyhow::Context;
+#[cfg(unix)]
+use anyhow::Result;
+#[cfg(unix)]
+use anyhow::anyhow;
+#[cfg(unix)]
+use tokio::process::Command;
+
+pub(crate) fn managed_codex_bin(codex_home: &Path) -> PathBuf {
+    codex_home
+        .join("packages")
+        .join("standalone")
+        .join("current")
+        .join(managed_codex_file_name())
+}
+
+#[cfg(unix)]
+pub(crate) async fn managed_codex_version(codex_bin: &Path) -> Result<String> {
+    let output = Command::new(codex_bin)
+        .arg("--version")
+        .output()
+        .await
+        .with_context(|| {
+            format!(
+                "failed to invoke managed Codex binary {}",
+                codex_bin.display()
+            )
+        })?;
+    if !output.status.success() {
+        return Err(anyhow!(
+            "managed Codex binary {} exited with status {}",
+            codex_bin.display(),
+            output.status
+        ));
+    }
+
+    let stdout = String::from_utf8(output.stdout).with_context(|| {
+        format!(
+            "managed Codex version was not utf-8: {}",
+            codex_bin.display()
+        )
+    })?;
+    parse_codex_version(&stdout)
+}
+
+fn managed_codex_file_name() -> &'static str {
+    if cfg!(windows) { "codex.exe" } else { "codex" }
+}
+
+#[cfg(unix)]
+fn parse_codex_version(output: &str) -> Result<String> {
+    let version = output
+        .split_whitespace()
+        .nth(1)
+        .filter(|version| !version.is_empty())
+        .ok_or_else(|| anyhow!("managed Codex version output was malformed"))?;
+    Ok(version.to_string())
+}
+
+#[cfg(all(test, unix))]
+#[path = "managed_install_tests.rs"]
+mod tests;

codex-rs/app-server-daemon/src/managed_install_tests.rs

@@ -0,0 +1,16 @@
+use pretty_assertions::assert_eq;
+
+use super::parse_codex_version;
+
+#[test]
+fn parses_codex_cli_version_output() {
+    assert_eq!(
+        parse_codex_version("codex 1.2.3\n").expect("version"),
+        "1.2.3"
+    );
+}
+
+#[test]
+fn rejects_malformed_codex_cli_version_output() {
+    assert!(parse_codex_version("codex\n").is_err());
+}

codex-rs/app-server-daemon/src/settings.rs

@@ -0,0 +1,63 @@
+use std::path::Path;
+
+use anyhow::Context;
+use anyhow::Result;
+use serde::Deserialize;
+use serde::Serialize;
+use tokio::fs;
+
+#[derive(Debug, Clone, Default, PartialEq, Eq, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub(crate) struct DaemonSettings {
+    pub(crate) remote_control_enabled: bool,
+}
+
+impl DaemonSettings {
+    pub(crate) async fn load(path: &Path) -> Result<Self> {
+        let contents = match fs::read_to_string(path).await {
+            Ok(contents) => contents,
+            Err(err) if err.kind() == std::io::ErrorKind::NotFound => return Ok(Self::default()),
+            Err(err) => {
+                return Err(err)
+                    .with_context(|| format!("failed to read daemon settings {}", path.display()));
+            }
+        };
+
+        serde_json::from_str(&contents)
+            .with_context(|| format!("failed to parse daemon settings {}", path.display()))
+    }
+
+    pub(crate) async fn save(&self, path: &Path) -> Result<()> {
+        if let Some(parent) = path.parent() {
+            fs::create_dir_all(parent).await.with_context(|| {
+                format!(
+                    "failed to create daemon settings directory {}",
+                    parent.display()
+                )
+            })?;
+        }
+
+        let contents = serde_json::to_vec_pretty(self).context("failed to serialize settings")?;
+        fs::write(path, contents)
+            .await
+            .with_context(|| format!("failed to write daemon settings {}", path.display()))
+    }
+}
+
+#[cfg(all(test, unix))]
+mod tests {
+    use pretty_assertions::assert_eq;
+
+    use super::DaemonSettings;
+
+    #[test]
+    fn daemon_settings_use_camel_case_json() {
+        assert_eq!(
+            serde_json::to_string(&DaemonSettings {
+                remote_control_enabled: true,
+            })
+            .expect("serialize"),
+            r#"{"remoteControlEnabled":true}"#
+        );
+    }
+}

codex-rs/app-server-daemon/src/update_loop.rs

@@ -0,0 +1,132 @@
+#[cfg(unix)]
+use std::process::Stdio;
+#[cfg(unix)]
+use std::time::Duration;
+
+#[cfg(unix)]
+use anyhow::Context;
+use anyhow::Result;
+#[cfg(not(unix))]
+use anyhow::bail;
+#[cfg(unix)]
+use futures::FutureExt;
+#[cfg(unix)]
+use tokio::io::AsyncWriteExt;
+#[cfg(unix)]
+use tokio::process::Command;
+#[cfg(unix)]
+use tokio::signal::unix::Signal;
+#[cfg(unix)]
+use tokio::signal::unix::SignalKind;
+#[cfg(unix)]
+use tokio::signal::unix::signal;
+#[cfg(unix)]
+use tokio::time::sleep;
+
+#[cfg(unix)]
+use crate::Daemon;
+#[cfg(unix)]
+use crate::RestartIfRunningOutcome;
+
+#[cfg(unix)]
+const INITIAL_UPDATE_DELAY: Duration = Duration::from_secs(5 * 60);
+#[cfg(unix)]
+const RESTART_RETRY_INTERVAL: Duration = Duration::from_millis(50);
+#[cfg(unix)]
+const UPDATE_INTERVAL: Duration = Duration::from_secs(60 * 60);
+
+#[cfg(unix)]
+pub(crate) async fn run() -> Result<()> {
+    let mut terminate =
+        signal(SignalKind::terminate()).context("failed to install updater shutdown handler")?;
+    if sleep_or_terminate(INITIAL_UPDATE_DELAY, &mut terminate).await {
+        return Ok(());
+    }
+    loop {
+        match update_once(&mut terminate).await {
+            Ok(UpdateLoopControl::Continue) | Err(_) => {}
+            Ok(UpdateLoopControl::Stop) => return Ok(()),
+        }
+        if sleep_or_terminate(UPDATE_INTERVAL, &mut terminate).await {
+            return Ok(());
+        }
+    }
+}
+
+#[cfg(not(unix))]
+pub(crate) async fn run() -> Result<()> {
+    bail!("pid-managed updater loop is unsupported on this platform")
+}
+
+#[cfg(unix)]
+async fn sleep_or_terminate(duration: Duration, terminate: &mut Signal) -> bool {
+    tokio::select! {
+        _ = sleep(duration) => false,
+        _ = terminate.recv() => true,
+    }
+}
+
+#[cfg(unix)]
+enum UpdateLoopControl {
+    Continue,
+    Stop,
+}
+
+#[cfg(unix)]
+async fn update_once(terminate: &mut Signal) -> Result<UpdateLoopControl> {
+    install_latest_standalone().await?;
+
+    let daemon = Daemon::from_environment()?;
+    loop {
+        if terminate.recv().now_or_never().flatten().is_some() {
+            return Ok(UpdateLoopControl::Stop);
+        }
+        match daemon.try_restart_if_running().await? {
+            RestartIfRunningOutcome::Completed => return Ok(UpdateLoopControl::Continue),
+            RestartIfRunningOutcome::Busy => {
+                if sleep_or_terminate(RESTART_RETRY_INTERVAL, terminate).await {
+                    return Ok(UpdateLoopControl::Stop);
+                }
+            }
+        }
+    }
+}
+
+#[cfg(unix)]
+async fn install_latest_standalone() -> Result<()> {
+    let script = reqwest::get("https://chatgpt.com/codex/install.sh")
+        .await
+        .context("failed to fetch standalone Codex updater")?
+        .error_for_status()
+        .context("standalone Codex updater request failed")?
+        .bytes()
+        .await
+        .context("failed to read standalone Codex updater")?;
+
+    let mut child = Command::new("/bin/sh")
+        .arg("-s")
+        .stdin(Stdio::piped())
+        .stdout(Stdio::null())
+        .stderr(Stdio::null())
+        .spawn()
+        .context("failed to invoke standalone Codex updater")?;
+    let mut stdin = child
+        .stdin
+        .take()
+        .context("standalone Codex updater stdin was unavailable")?;
+    stdin
+        .write_all(&script)
+        .await
+        .context("failed to pass standalone Codex updater to shell")?;
+    drop(stdin);
+    let status = child
+        .wait()
+        .await
+        .context("failed to wait for standalone Codex updater")?;
+
+    if status.success() {
+        Ok(())
+    } else {
+        anyhow::bail!("standalone Codex updater exited with status {status}")
+    }
+}

codex-rs/app-server-protocol/Cargo.toml

@@ -7,6 +7,7 @@ license.workspace = true
 [lib]
 name = "codex_app_server_protocol"
 path = "src/lib.rs"
+doctest = false
 
 [lints]
 workspace = true

codex-rs/app-server-protocol/schema/json/AttestationGenerateParams.json

@@ -0,0 +1,5 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "AttestationGenerateParams",
+  "type": "object"
+}

codex-rs/app-server-protocol/schema/json/AttestationGenerateResponse.json

@@ -0,0 +1,14 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "properties": {
+    "token": {
+      "description": "Opaque client attestation token.",
+      "type": "string"
+    }
+  },
+  "required": [
+    "token"
+  ],
+  "title": "AttestationGenerateResponse",
+  "type": "object"
+}

codex-rs/app-server-protocol/schema/json/ClientRequest.json

@@ -1259,6 +1259,11 @@
             "array",
             "null"
           ]
+        },
+        "requestAttestation": {
+          "default": false,
+          "description": "Opt into `attestation/generate` requests for upstream `x-oai-attestation`.",
+          "type": "boolean"
         }
       },
       "type": "object"
@@ -2083,16 +2088,37 @@
         },
         "principalType": {
           "$ref": "#/definitions/PluginSharePrincipalType"
+        },
+        "role": {
+          "$ref": "#/definitions/PluginShareTargetRole"
         }
       },
       "required": [
         "principalId",
-        "principalType"
+        "principalType",
+        "role"
       ],
       "type": "object"
     },
+    "PluginShareTargetRole": {
+      "enum": [
+        "reader",
+        "editor"
+      ],
+      "type": "string"
+    },
+    "PluginShareUpdateDiscoverability": {
+      "enum": [
+        "UNLISTED",
+        "PRIVATE"
+      ],
+      "type": "string"
+    },
     "PluginShareUpdateTargetsParams": {
       "properties": {
+        "discoverability": {
+          "$ref": "#/definitions/PluginShareUpdateDiscoverability"
+        },
         "remotePluginId": {
           "type": "string"
         },
@@ -2104,6 +2130,7 @@
         }
       },
       "required": [
+        "discoverability",
         "remotePluginId",
         "shareTargets"
       ],
@@ -3212,24 +3239,6 @@
       ],
       "type": "object"
     },
-    "SkillsListExtraRootsForCwd": {
-      "properties": {
-        "cwd": {
-          "type": "string"
-        },
-        "extraUserRoots": {
-          "items": {
-            "type": "string"
-          },
-          "type": "array"
-        }
-      },
-      "required": [
-        "cwd",
-        "extraUserRoots"
-      ],
-      "type": "object"
-    },
     "SkillsListParams": {
       "properties": {
         "cwds": {
@@ -3242,17 +3251,6 @@
         "forceReload": {
           "description": "When true, bypass the skills cache and re-scan skills from disk.",
           "type": "boolean"
-        },
-        "perCwdExtraUserRoots": {
-          "default": null,
-          "description": "Optional per-cwd extra roots to scan as user-scoped skills.",
-          "items": {
-            "$ref": "#/definitions/SkillsListExtraRootsForCwd"
-          },
-          "type": [
-            "array",
-            "null"
-          ]
         }
       },
       "type": "object"
@@ -4096,6 +4094,31 @@
       ],
       "type": "object"
     },
+    "TurnItemsView": {
+      "oneOf": [
+        {
+          "description": "`items` was not loaded for this turn. The field is intentionally empty.",
+          "enum": [
+            "notLoaded"
+          ],
+          "type": "string"
+        },
+        {
+          "description": "`items` contains only a display summary for this turn.",
+          "enum": [
+            "summary"
+          ],
+          "type": "string"
+        },
+        {
+          "description": "`items` contains every ThreadItem available from persisted app-server history for this turn.",
+          "enum": [
+            "full"
+          ],
+          "type": "string"
+        }
+      ]
+    },
     "TurnStartParams": {
       "properties": {
         "approvalPolicy": {
@@ -6181,4 +6204,4 @@
     }
   ],
   "title": "ClientRequest"
-}
+}

codex-rs/app-server-protocol/schema/json/CommandExecutionRequestApprovalParams.json

@@ -593,6 +593,11 @@
         "null"
       ]
     },
+    "startedAtMs": {
+      "description": "Unix timestamp (in milliseconds) when this approval request started.",
+      "format": "int64",
+      "type": "integer"
+    },
     "threadId": {
       "type": "string"
     },
@@ -602,6 +607,7 @@
   },
   "required": [
     "itemId",
+    "startedAtMs",
     "threadId",
     "turnId"
   ],

codex-rs/app-server-protocol/schema/json/FileChangeRequestApprovalParams.json

@@ -18,6 +18,11 @@
         "null"
       ]
     },
+    "startedAtMs": {
+      "description": "Unix timestamp (in milliseconds) when this approval request started.",
+      "format": "int64",
+      "type": "integer"
+    },
     "threadId": {
       "type": "string"
     },
@@ -27,6 +32,7 @@
   },
   "required": [
     "itemId",
+    "startedAtMs",
     "threadId",
     "turnId"
   ],

codex-rs/app-server-protocol/schema/json/PermissionsRequestApprovalParams.json

@@ -297,6 +297,11 @@
         "null"
       ]
     },
+    "startedAtMs": {
+      "description": "Unix timestamp (in milliseconds) when this approval request started.",
+      "format": "int64",
+      "type": "integer"
+    },
     "threadId": {
       "type": "string"
     },
@@ -308,6 +313,7 @@
     "cwd",
     "itemId",
     "permissions",
+    "startedAtMs",
     "threadId",
     "turnId"
   ],

codex-rs/app-server-protocol/schema/json/ServerNotification.json

@@ -1963,6 +1963,11 @@
         "action": {
           "$ref": "#/definitions/GuardianApprovalReviewAction"
         },
+        "completedAtMs": {
+          "description": "Unix timestamp (in milliseconds) when this review completed.",
+          "format": "int64",
+          "type": "integer"
+        },
         "decisionSource": {
           "$ref": "#/definitions/AutoReviewDecisionSource"
         },
@@ -1973,6 +1978,11 @@
           "description": "Stable identifier for this review.",
           "type": "string"
         },
+        "startedAtMs": {
+          "description": "Unix timestamp (in milliseconds) when this review started.",
+          "format": "int64",
+          "type": "integer"
+        },
         "targetItemId": {
           "description": "Identifier for the reviewed item or tool call when one exists.\n\nIn most cases, one review maps to one target item. The exceptions are - execve reviews, where a single command may contain multiple execve calls to review (only possible when using the shell_zsh_fork feature) - network policy reviews, where there is no target item\n\nA network call is triggered by a CommandExecution item, so having a target_item_id set to the CommandExecution item would be misleading because the review is about the network call, not the command execution. Therefore, target_item_id is set to None for network policy reviews.",
           "type": [
@@ -1989,9 +1999,11 @@
       },
       "required": [
         "action",
+        "completedAtMs",
         "decisionSource",
         "review",
         "reviewId",
+        "startedAtMs",
         "threadId",
         "turnId"
       ],
@@ -2010,6 +2022,11 @@
           "description": "Stable identifier for this review.",
           "type": "string"
         },
+        "startedAtMs": {
+          "description": "Unix timestamp (in milliseconds) when this review started.",
+          "format": "int64",
+          "type": "integer"
+        },
         "targetItemId": {
           "description": "Identifier for the reviewed item or tool call when one exists.\n\nIn most cases, one review maps to one target item. The exceptions are - execve reviews, where a single command may contain multiple execve calls to review (only possible when using the shell_zsh_fork feature) - network policy reviews, where there is no target item\n\nA network call is triggered by a CommandExecution item, so having a target_item_id set to the CommandExecution item would be misleading because the review is about the network call, not the command execution. Therefore, target_item_id is set to None for network policy reviews.",
           "type": [
@@ -2028,6 +2045,7 @@
         "action",
         "review",
         "reviewId",
+        "startedAtMs",
         "threadId",
         "turnId"
       ],
@@ -2719,7 +2737,7 @@
       "type": "string"
     },
     "RemoteControlStatusChangedNotification": {
-      "description": "Current remote-control connection status and environment id exposed to clients.",
+      "description": "Current remote-control connection status and remote identity exposed to clients.",
       "properties": {
         "environmentId": {
           "type": [
@@ -2727,11 +2745,15 @@
             "null"
           ]
         },
+        "installationId": {
+          "type": "string"
+        },
         "status": {
           "$ref": "#/definitions/RemoteControlConnectionStatus"
         }
       },
       "required": [
+        "installationId",
         "status"
       ],
       "type": "object"

codex-rs/app-server-protocol/schema/json/ServerRequest.json

@@ -121,6 +121,9 @@
       ],
       "type": "object"
     },
+    "AttestationGenerateParams": {
+      "type": "object"
+    },
     "ChatgptAuthTokensRefreshParams": {
       "properties": {
         "previousAccountId": {
@@ -417,6 +420,11 @@
             "null"
           ]
         },
+        "startedAtMs": {
+          "description": "Unix timestamp (in milliseconds) when this approval request started.",
+          "format": "int64",
+          "type": "integer"
+        },
         "threadId": {
           "type": "string"
         },
@@ -426,6 +434,7 @@
       },
       "required": [
         "itemId",
+        "startedAtMs",
         "threadId",
         "turnId"
       ],
@@ -598,6 +607,11 @@
             "null"
           ]
         },
+        "startedAtMs": {
+          "description": "Unix timestamp (in milliseconds) when this approval request started.",
+          "format": "int64",
+          "type": "integer"
+        },
         "threadId": {
           "type": "string"
         },
@@ -607,6 +621,7 @@
       },
       "required": [
         "itemId",
+        "startedAtMs",
         "threadId",
         "turnId"
       ],
@@ -1587,6 +1602,11 @@
             "null"
           ]
         },
+        "startedAtMs": {
+          "description": "Unix timestamp (in milliseconds) when this approval request started.",
+          "format": "int64",
+          "type": "integer"
+        },
         "threadId": {
           "type": "string"
         },
@@ -1598,6 +1618,7 @@
         "cwd",
         "itemId",
         "permissions",
+        "startedAtMs",
         "threadId",
         "turnId"
       ],
@@ -1900,6 +1921,31 @@
       "title": "Account/chatgptAuthTokens/refreshRequest",
       "type": "object"
     },
+    {
+      "description": "Generate a fresh upstream attestation result on demand.",
+      "properties": {
+        "id": {
+          "$ref": "#/definitions/RequestId"
+        },
+        "method": {
+          "enum": [
+            "attestation/generate"
+          ],
+          "title": "Attestation/generateRequestMethod",
+          "type": "string"
+        },
+        "params": {
+          "$ref": "#/definitions/AttestationGenerateParams"
+        }
+      },
+      "required": [
+        "id",
+        "method",
+        "params"
+      ],
+      "title": "Attestation/generateRequest",
+      "type": "object"
+    },
     {
       "description": "DEPRECATED APIs below Request to approve a patch. This request is used for Turns started via the legacy APIs (i.e. SendUserTurn, SendUserMessage).",
       "properties": {

codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.schemas.json

@@ -83,6 +83,25 @@
       "title": "ApplyPatchApprovalResponse",
       "type": "object"
     },
+    "AttestationGenerateParams": {
+      "$schema": "http://json-schema.org/draft-07/schema#",
+      "title": "AttestationGenerateParams",
+      "type": "object"
+    },
+    "AttestationGenerateResponse": {
+      "$schema": "http://json-schema.org/draft-07/schema#",
+      "properties": {
+        "token": {
+          "description": "Opaque client attestation token.",
+          "type": "string"
+        }
+      },
+      "required": [
+        "token"
+      ],
+      "title": "AttestationGenerateResponse",
+      "type": "object"
+    },
     "ChatgptAuthTokensRefreshParams": {
       "$schema": "http://json-schema.org/draft-07/schema#",
       "properties": {
@@ -2146,6 +2165,11 @@
             "null"
           ]
         },
+        "startedAtMs": {
+          "description": "Unix timestamp (in milliseconds) when this approval request started.",
+          "format": "int64",
+          "type": "integer"
+        },
         "threadId": {
           "type": "string"
         },
@@ -2155,6 +2179,7 @@
       },
       "required": [
         "itemId",
+        "startedAtMs",
         "threadId",
         "turnId"
       ],
@@ -2411,6 +2436,11 @@
             "null"
           ]
         },
+        "startedAtMs": {
+          "description": "Unix timestamp (in milliseconds) when this approval request started.",
+          "format": "int64",
+          "type": "integer"
+        },
         "threadId": {
           "type": "string"
         },
@@ -2420,6 +2450,7 @@
       },
       "required": [
         "itemId",
+        "startedAtMs",
         "threadId",
         "turnId"
       ],
@@ -2608,6 +2639,11 @@
             "array",
             "null"
           ]
+        },
+        "requestAttestation": {
+          "default": false,
+          "description": "Opt into `attestation/generate` requests for upstream `x-oai-attestation`.",
+          "type": "boolean"
         }
       },
       "type": "object"
@@ -3591,6 +3627,11 @@
             "null"
           ]
         },
+        "startedAtMs": {
+          "description": "Unix timestamp (in milliseconds) when this approval request started.",
+          "format": "int64",
+          "type": "integer"
+        },
         "threadId": {
           "type": "string"
         },
@@ -3602,6 +3643,7 @@
         "cwd",
         "itemId",
         "permissions",
+        "startedAtMs",
         "threadId",
         "turnId"
       ],
@@ -5189,6 +5231,31 @@
           "title": "Account/chatgptAuthTokens/refreshRequest",
           "type": "object"
         },
+        {
+          "description": "Generate a fresh upstream attestation result on demand.",
+          "properties": {
+            "id": {
+              "$ref": "#/definitions/v2/RequestId"
+            },
+            "method": {
+              "enum": [
+                "attestation/generate"
+              ],
+              "title": "Attestation/generateRequestMethod",
+              "type": "string"
+            },
+            "params": {
+              "$ref": "#/definitions/AttestationGenerateParams"
+            }
+          },
+          "required": [
+            "id",
+            "method",
+            "params"
+          ],
+          "title": "Attestation/generateRequest",
+          "type": "object"
+        },
         {
           "description": "DEPRECATED APIs below Request to approve a patch. This request is used for Turns started via the legacy APIs (i.e. SendUserTurn, SendUserMessage).",
           "properties": {
@@ -9878,6 +9945,11 @@
           "action": {
             "$ref": "#/definitions/v2/GuardianApprovalReviewAction"
           },
+          "completedAtMs": {
+            "description": "Unix timestamp (in milliseconds) when this review completed.",
+            "format": "int64",
+            "type": "integer"
+          },
           "decisionSource": {
             "$ref": "#/definitions/v2/AutoReviewDecisionSource"
           },
@@ -9888,6 +9960,11 @@
             "description": "Stable identifier for this review.",
             "type": "string"
           },
+          "startedAtMs": {
+            "description": "Unix timestamp (in milliseconds) when this review started.",
+            "format": "int64",
+            "type": "integer"
+          },
           "targetItemId": {
             "description": "Identifier for the reviewed item or tool call when one exists.\n\nIn most cases, one review maps to one target item. The exceptions are - execve reviews, where a single command may contain multiple execve calls to review (only possible when using the shell_zsh_fork feature) - network policy reviews, where there is no target item\n\nA network call is triggered by a CommandExecution item, so having a target_item_id set to the CommandExecution item would be misleading because the review is about the network call, not the command execution. Therefore, target_item_id is set to None for network policy reviews.",
             "type": [
@@ -9904,9 +9981,11 @@
         },
         "required": [
           "action",
+          "completedAtMs",
           "decisionSource",
           "review",
           "reviewId",
+          "startedAtMs",
           "threadId",
           "turnId"
         ],
@@ -9927,6 +10006,11 @@
             "description": "Stable identifier for this review.",
             "type": "string"
           },
+          "startedAtMs": {
+            "description": "Unix timestamp (in milliseconds) when this review started.",
+            "format": "int64",
+            "type": "integer"
+          },
           "targetItemId": {
             "description": "Identifier for the reviewed item or tool call when one exists.\n\nIn most cases, one review maps to one target item. The exceptions are - execve reviews, where a single command may contain multiple execve calls to review (only possible when using the shell_zsh_fork feature) - network policy reviews, where there is no target item\n\nA network call is triggered by a CommandExecution item, so having a target_item_id set to the CommandExecution item would be misleading because the review is about the network call, not the command execution. Therefore, target_item_id is set to None for network policy reviews.",
             "type": [
@@ -9945,6 +10029,7 @@
           "action",
           "review",
           "reviewId",
+          "startedAtMs",
           "threadId",
           "turnId"
         ],
@@ -12185,10 +12270,20 @@
               "null"
             ]
           },
+          "discoverability": {
+            "anyOf": [
+              {
+                "$ref": "#/definitions/v2/PluginShareDiscoverability"
+              },
+              {
+                "type": "null"
+              }
+            ]
+          },
           "remotePluginId": {
             "type": "string"
           },
-          "shareTargets": {
+          "sharePrincipals": {
             "items": {
               "$ref": "#/definitions/v2/PluginSharePrincipal"
             },
@@ -12249,14 +12344,10 @@
           },
           "plugin": {
             "$ref": "#/definitions/v2/PluginSummary"
-          },
-          "shareUrl": {
-            "type": "string"
           }
         },
         "required": [
-          "plugin",
-          "shareUrl"
+          "plugin"
         ],
         "type": "object"
       },
@@ -12291,15 +12382,27 @@
           },
           "principalType": {
             "$ref": "#/definitions/v2/PluginSharePrincipalType"
+          },
+          "role": {
+            "$ref": "#/definitions/v2/PluginSharePrincipalRole"
           }
         },
         "required": [
           "name",
           "principalId",
-          "principalType"
+          "principalType",
+          "role"
         ],
         "type": "object"
       },
+      "PluginSharePrincipalRole": {
+        "enum": [
+          "reader",
+          "editor",
+          "owner"
+        ],
+        "type": "string"
+      },
       "PluginSharePrincipalType": {
         "enum": [
           "user",
@@ -12370,17 +12473,38 @@
           },
           "principalType": {
             "$ref": "#/definitions/v2/PluginSharePrincipalType"
+          },
+          "role": {
+            "$ref": "#/definitions/v2/PluginShareTargetRole"
           }
         },
         "required": [
           "principalId",
-          "principalType"
+          "principalType",
+          "role"
         ],
         "type": "object"
       },
+      "PluginShareTargetRole": {
+        "enum": [
+          "reader",
+          "editor"
+        ],
+        "type": "string"
+      },
+      "PluginShareUpdateDiscoverability": {
+        "enum": [
+          "UNLISTED",
+          "PRIVATE"
+        ],
+        "type": "string"
+      },
       "PluginShareUpdateTargetsParams": {
         "$schema": "http://json-schema.org/draft-07/schema#",
         "properties": {
+          "discoverability": {
+            "$ref": "#/definitions/v2/PluginShareUpdateDiscoverability"
+          },
           "remotePluginId": {
             "type": "string"
           },
@@ -12392,6 +12516,7 @@
           }
         },
         "required": [
+          "discoverability",
           "remotePluginId",
           "shareTargets"
         ],
@@ -12401,6 +12526,9 @@
       "PluginShareUpdateTargetsResponse": {
         "$schema": "http://json-schema.org/draft-07/schema#",
         "properties": {
+          "discoverability": {
+            "$ref": "#/definitions/v2/PluginShareDiscoverability"
+          },
           "principals": {
             "items": {
               "$ref": "#/definitions/v2/PluginSharePrincipal"
@@ -12409,6 +12537,7 @@
           }
         },
         "required": [
+          "discoverability",
           "principals"
         ],
         "title": "PluginShareUpdateTargetsResponse",
@@ -13255,7 +13384,7 @@
       },
       "RemoteControlStatusChangedNotification": {
         "$schema": "http://json-schema.org/draft-07/schema#",
-        "description": "Current remote-control connection status and environment id exposed to clients.",
+        "description": "Current remote-control connection status and remote identity exposed to clients.",
         "properties": {
           "environmentId": {
             "type": [
@@ -13263,11 +13392,15 @@
               "null"
             ]
           },
+          "installationId": {
+            "type": "string"
+          },
           "status": {
             "$ref": "#/definitions/v2/RemoteControlConnectionStatus"
           }
         },
         "required": [
+          "installationId",
           "status"
         ],
         "title": "RemoteControlStatusChangedNotification",
@@ -14730,24 +14863,6 @@
         ],
         "type": "object"
       },
-      "SkillsListExtraRootsForCwd": {
-        "properties": {
-          "cwd": {
-            "type": "string"
-          },
-          "extraUserRoots": {
-            "items": {
-              "type": "string"
-            },
-            "type": "array"
-          }
-        },
-        "required": [
-          "cwd",
-          "extraUserRoots"
-        ],
-        "type": "object"
-      },
       "SkillsListParams": {
         "$schema": "http://json-schema.org/draft-07/schema#",
         "properties": {
@@ -14761,17 +14876,6 @@
           "forceReload": {
             "description": "When true, bypass the skills cache and re-scan skills from disk.",
             "type": "boolean"
-          },
-          "perCwdExtraUserRoots": {
-            "default": null,
-            "description": "Optional per-cwd extra roots to scan as user-scoped skills.",
-            "items": {
-              "$ref": "#/definitions/v2/SkillsListExtraRootsForCwd"
-            },
-            "type": [
-              "array",
-              "null"
-            ]
           }
         },
         "title": "SkillsListParams",
@@ -18389,4 +18493,4 @@
   },
   "title": "CodexAppServerProtocol",
   "type": "object"
-}
+}

codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.v2.schemas.json

@@ -6409,6 +6409,11 @@
             "array",
             "null"
           ]
+        },
+        "requestAttestation": {
+          "default": false,
+          "description": "Opt into `attestation/generate` requests for upstream `x-oai-attestation`.",
+          "type": "boolean"
         }
       },
       "type": "object"
@@ -6489,6 +6494,11 @@
         "action": {
           "$ref": "#/definitions/GuardianApprovalReviewAction"
         },
+        "completedAtMs": {
+          "description": "Unix timestamp (in milliseconds) when this review completed.",
+          "format": "int64",
+          "type": "integer"
+        },
         "decisionSource": {
           "$ref": "#/definitions/AutoReviewDecisionSource"
         },
@@ -6499,6 +6509,11 @@
           "description": "Stable identifier for this review.",
           "type": "string"
         },
+        "startedAtMs": {
+          "description": "Unix timestamp (in milliseconds) when this review started.",
+          "format": "int64",
+          "type": "integer"
+        },
         "targetItemId": {
           "description": "Identifier for the reviewed item or tool call when one exists.\n\nIn most cases, one review maps to one target item. The exceptions are - execve reviews, where a single command may contain multiple execve calls to review (only possible when using the shell_zsh_fork feature) - network policy reviews, where there is no target item\n\nA network call is triggered by a CommandExecution item, so having a target_item_id set to the CommandExecution item would be misleading because the review is about the network call, not the command execution. Therefore, target_item_id is set to None for network policy reviews.",
           "type": [
@@ -6515,9 +6530,11 @@
       },
       "required": [
         "action",
+        "completedAtMs",
         "decisionSource",
         "review",
         "reviewId",
+        "startedAtMs",
         "threadId",
         "turnId"
       ],
@@ -6538,6 +6555,11 @@
           "description": "Stable identifier for this review.",
           "type": "string"
         },
+        "startedAtMs": {
+          "description": "Unix timestamp (in milliseconds) when this review started.",
+          "format": "int64",
+          "type": "integer"
+        },
         "targetItemId": {
           "description": "Identifier for the reviewed item or tool call when one exists.\n\nIn most cases, one review maps to one target item. The exceptions are - execve reviews, where a single command may contain multiple execve calls to review (only possible when using the shell_zsh_fork feature) - network policy reviews, where there is no target item\n\nA network call is triggered by a CommandExecution item, so having a target_item_id set to the CommandExecution item would be misleading because the review is about the network call, not the command execution. Therefore, target_item_id is set to None for network policy reviews.",
           "type": [
@@ -6556,6 +6578,7 @@
         "action",
         "review",
         "reviewId",
+        "startedAtMs",
         "threadId",
         "turnId"
       ],
@@ -8796,10 +8819,20 @@
             "null"
           ]
         },
+        "discoverability": {
+          "anyOf": [
+            {
+              "$ref": "#/definitions/PluginShareDiscoverability"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
         "remotePluginId": {
           "type": "string"
         },
-        "shareTargets": {
+        "sharePrincipals": {
           "items": {
             "$ref": "#/definitions/PluginSharePrincipal"
           },
@@ -8860,14 +8893,10 @@
         },
         "plugin": {
           "$ref": "#/definitions/PluginSummary"
-        },
-        "shareUrl": {
-          "type": "string"
         }
       },
       "required": [
-        "plugin",
-        "shareUrl"
+        "plugin"
       ],
       "type": "object"
     },
@@ -8902,15 +8931,27 @@
         },
         "principalType": {
           "$ref": "#/definitions/PluginSharePrincipalType"
+        },
+        "role": {
+          "$ref": "#/definitions/PluginSharePrincipalRole"
         }
       },
       "required": [
         "name",
         "principalId",
-        "principalType"
+        "principalType",
+        "role"
       ],
       "type": "object"
     },
+    "PluginSharePrincipalRole": {
+      "enum": [
+        "reader",
+        "editor",
+        "owner"
+      ],
+      "type": "string"
+    },
     "PluginSharePrincipalType": {
       "enum": [
         "user",
@@ -8981,17 +9022,38 @@
         },
         "principalType": {
           "$ref": "#/definitions/PluginSharePrincipalType"
+        },
+        "role": {
+          "$ref": "#/definitions/PluginShareTargetRole"
         }
       },
       "required": [
         "principalId",
-        "principalType"
+        "principalType",
+        "role"
       ],
       "type": "object"
     },
+    "PluginShareTargetRole": {
+      "enum": [
+        "reader",
+        "editor"
+      ],
+      "type": "string"
+    },
+    "PluginShareUpdateDiscoverability": {
+      "enum": [
+        "UNLISTED",
+        "PRIVATE"
+      ],
+      "type": "string"
+    },
     "PluginShareUpdateTargetsParams": {
       "$schema": "http://json-schema.org/draft-07/schema#",
       "properties": {
+        "discoverability": {
+          "$ref": "#/definitions/PluginShareUpdateDiscoverability"
+        },
         "remotePluginId": {
           "type": "string"
         },
@@ -9003,6 +9065,7 @@
         }
       },
       "required": [
+        "discoverability",
         "remotePluginId",
         "shareTargets"
       ],
@@ -9012,6 +9075,9 @@
     "PluginShareUpdateTargetsResponse": {
       "$schema": "http://json-schema.org/draft-07/schema#",
       "properties": {
+        "discoverability": {
+          "$ref": "#/definitions/PluginShareDiscoverability"
+        },
         "principals": {
           "items": {
             "$ref": "#/definitions/PluginSharePrincipal"
@@ -9020,6 +9086,7 @@
         }
       },
       "required": [
+        "discoverability",
         "principals"
       ],
       "title": "PluginShareUpdateTargetsResponse",
@@ -9866,7 +9933,7 @@
     },
     "RemoteControlStatusChangedNotification": {
       "$schema": "http://json-schema.org/draft-07/schema#",
-      "description": "Current remote-control connection status and environment id exposed to clients.",
+      "description": "Current remote-control connection status and remote identity exposed to clients.",
       "properties": {
         "environmentId": {
           "type": [
@@ -9874,11 +9941,15 @@
             "null"
           ]
         },
+        "installationId": {
+          "type": "string"
+        },
         "status": {
           "$ref": "#/definitions/RemoteControlConnectionStatus"
         }
       },
       "required": [
+        "installationId",
         "status"
       ],
       "title": "RemoteControlStatusChangedNotification",
@@ -12616,24 +12687,6 @@
       ],
       "type": "object"
     },
-    "SkillsListExtraRootsForCwd": {
-      "properties": {
-        "cwd": {
-          "type": "string"
-        },
-        "extraUserRoots": {
-          "items": {
-            "type": "string"
-          },
-          "type": "array"
-        }
-      },
-      "required": [
-        "cwd",
-        "extraUserRoots"
-      ],
-      "type": "object"
-    },
     "SkillsListParams": {
       "$schema": "http://json-schema.org/draft-07/schema#",
       "properties": {
@@ -12647,17 +12700,6 @@
         "forceReload": {
           "description": "When true, bypass the skills cache and re-scan skills from disk.",
           "type": "boolean"
-        },
-        "perCwdExtraUserRoots": {
-          "default": null,
-          "description": "Optional per-cwd extra roots to scan as user-scoped skills.",
-          "items": {
-            "$ref": "#/definitions/SkillsListExtraRootsForCwd"
-          },
-          "type": [
-            "array",
-            "null"
-          ]
         }
       },
       "title": "SkillsListParams",
@@ -16274,4 +16316,4 @@
   },
   "title": "CodexAppServerProtocolV2",
   "type": "object"
-}
+}

codex-rs/app-server-protocol/schema/json/v1/InitializeParams.json

@@ -39,6 +39,11 @@
             "array",
             "null"
           ]
+        },
+        "requestAttestation": {
+          "default": false,
+          "description": "Opt into `attestation/generate` requests for upstream `x-oai-attestation`.",
+          "type": "boolean"
         }
       },
       "type": "object"

codex-rs/app-server-protocol/schema/json/v2/ItemGuardianApprovalReviewCompletedNotification.json

@@ -574,6 +574,11 @@
     "action": {
       "$ref": "#/definitions/GuardianApprovalReviewAction"
     },
+    "completedAtMs": {
+      "description": "Unix timestamp (in milliseconds) when this review completed.",
+      "format": "int64",
+      "type": "integer"
+    },
     "decisionSource": {
       "$ref": "#/definitions/AutoReviewDecisionSource"
     },
@@ -584,6 +589,11 @@
       "description": "Stable identifier for this review.",
       "type": "string"
     },
+    "startedAtMs": {
+      "description": "Unix timestamp (in milliseconds) when this review started.",
+      "format": "int64",
+      "type": "integer"
+    },
     "targetItemId": {
       "description": "Identifier for the reviewed item or tool call when one exists.\n\nIn most cases, one review maps to one target item. The exceptions are - execve reviews, where a single command may contain multiple execve calls to review (only possible when using the shell_zsh_fork feature) - network policy reviews, where there is no target item\n\nA network call is triggered by a CommandExecution item, so having a target_item_id set to the CommandExecution item would be misleading because the review is about the network call, not the command execution. Therefore, target_item_id is set to None for network policy reviews.",
       "type": [
@@ -600,9 +610,11 @@
   },
   "required": [
     "action",
+    "completedAtMs",
     "decisionSource",
     "review",
     "reviewId",
+    "startedAtMs",
     "threadId",
     "turnId"
   ],

codex-rs/app-server-protocol/schema/json/v2/ItemGuardianApprovalReviewStartedNotification.json

@@ -574,6 +574,11 @@
       "description": "Stable identifier for this review.",
       "type": "string"
     },
+    "startedAtMs": {
+      "description": "Unix timestamp (in milliseconds) when this review started.",
+      "format": "int64",
+      "type": "integer"
+    },
     "targetItemId": {
       "description": "Identifier for the reviewed item or tool call when one exists.\n\nIn most cases, one review maps to one target item. The exceptions are - execve reviews, where a single command may contain multiple execve calls to review (only possible when using the shell_zsh_fork feature) - network policy reviews, where there is no target item\n\nA network call is triggered by a CommandExecution item, so having a target_item_id set to the CommandExecution item would be misleading because the review is about the network call, not the command execution. Therefore, target_item_id is set to None for network policy reviews.",
       "type": [
@@ -592,6 +597,7 @@
     "action",
     "review",
     "reviewId",
+    "startedAtMs",
     "threadId",
     "turnId"
   ],

codex-rs/app-server-protocol/schema/json/v2/PluginListResponse.json

@@ -246,10 +246,20 @@
             "null"
           ]
         },
+        "discoverability": {
+          "anyOf": [
+            {
+              "$ref": "#/definitions/PluginShareDiscoverability"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
         "remotePluginId": {
           "type": "string"
         },
-        "shareTargets": {
+        "sharePrincipals": {
           "items": {
             "$ref": "#/definitions/PluginSharePrincipal"
           },
@@ -270,6 +280,14 @@
       ],
       "type": "object"
     },
+    "PluginShareDiscoverability": {
+      "enum": [
+        "LISTED",
+        "UNLISTED",
+        "PRIVATE"
+      ],
+      "type": "string"
+    },
     "PluginSharePrincipal": {
       "properties": {
         "name": {
@@ -280,15 +298,27 @@
         },
         "principalType": {
           "$ref": "#/definitions/PluginSharePrincipalType"
+        },
+        "role": {
+          "$ref": "#/definitions/PluginSharePrincipalRole"
         }
       },
       "required": [
         "name",
         "principalId",
-        "principalType"
+        "principalType",
+        "role"
       ],
       "type": "object"
     },
+    "PluginSharePrincipalRole": {
+      "enum": [
+        "reader",
+        "editor",
+        "owner"
+      ],
+      "type": "string"
+    },
     "PluginSharePrincipalType": {
       "enum": [
         "user",

codex-rs/app-server-protocol/schema/json/v2/PluginReadResponse.json

@@ -300,10 +300,20 @@
             "null"
           ]
         },
+        "discoverability": {
+          "anyOf": [
+            {
+              "$ref": "#/definitions/PluginShareDiscoverability"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
         "remotePluginId": {
           "type": "string"
         },
-        "shareTargets": {
+        "sharePrincipals": {
           "items": {
             "$ref": "#/definitions/PluginSharePrincipal"
           },
@@ -324,6 +334,14 @@
       ],
       "type": "object"
     },
+    "PluginShareDiscoverability": {
+      "enum": [
+        "LISTED",
+        "UNLISTED",
+        "PRIVATE"
+      ],
+      "type": "string"
+    },
     "PluginSharePrincipal": {
       "properties": {
         "name": {
@@ -334,15 +352,27 @@
         },
         "principalType": {
           "$ref": "#/definitions/PluginSharePrincipalType"
+        },
+        "role": {
+          "$ref": "#/definitions/PluginSharePrincipalRole"
         }
       },
       "required": [
         "name",
         "principalId",
-        "principalType"
+        "principalType",
+        "role"
       ],
       "type": "object"
     },
+    "PluginSharePrincipalRole": {
+      "enum": [
+        "reader",
+        "editor",
+        "owner"
+      ],
+      "type": "string"
+    },
     "PluginSharePrincipalType": {
       "enum": [
         "user",

codex-rs/app-server-protocol/schema/json/v2/PluginShareListResponse.json

@@ -181,10 +181,20 @@
             "null"
           ]
         },
+        "discoverability": {
+          "anyOf": [
+            {
+              "$ref": "#/definitions/PluginShareDiscoverability"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
         "remotePluginId": {
           "type": "string"
         },
-        "shareTargets": {
+        "sharePrincipals": {
           "items": {
             "$ref": "#/definitions/PluginSharePrincipal"
           },
@@ -205,6 +215,14 @@
       ],
       "type": "object"
     },
+    "PluginShareDiscoverability": {
+      "enum": [
+        "LISTED",
+        "UNLISTED",
+        "PRIVATE"
+      ],
+      "type": "string"
+    },
     "PluginShareListItem": {
       "properties": {
         "localPluginPath": {
@@ -219,14 +237,10 @@
         },
         "plugin": {
           "$ref": "#/definitions/PluginSummary"
-        },
-        "shareUrl": {
-          "type": "string"
         }
       },
       "required": [
-        "plugin",
-        "shareUrl"
+        "plugin"
       ],
       "type": "object"
     },
@@ -240,15 +254,27 @@
         },
         "principalType": {
           "$ref": "#/definitions/PluginSharePrincipalType"
+        },
+        "role": {
+          "$ref": "#/definitions/PluginSharePrincipalRole"
         }
       },
       "required": [
         "name",
         "principalId",
-        "principalType"
+        "principalType",
+        "role"
       ],
       "type": "object"
     },
+    "PluginSharePrincipalRole": {
+      "enum": [
+        "reader",
+        "editor",
+        "owner"
+      ],
+      "type": "string"
+    },
     "PluginSharePrincipalType": {
       "enum": [
         "user",

codex-rs/app-server-protocol/schema/json/v2/PluginShareSaveParams.json

@@ -28,13 +28,24 @@
         },
         "principalType": {
           "$ref": "#/definitions/PluginSharePrincipalType"
+        },
+        "role": {
+          "$ref": "#/definitions/PluginShareTargetRole"
         }
       },
       "required": [
         "principalId",
-        "principalType"
+        "principalType",
+        "role"
       ],
       "type": "object"
+    },
+    "PluginShareTargetRole": {
+      "enum": [
+        "reader",
+        "editor"
+      ],
+      "type": "string"
     }
   },
   "properties": {

codex-rs/app-server-protocol/schema/json/v2/PluginShareUpdateTargetsParams.json

@@ -16,16 +16,37 @@
         },
         "principalType": {
           "$ref": "#/definitions/PluginSharePrincipalType"
+        },
+        "role": {
+          "$ref": "#/definitions/PluginShareTargetRole"
         }
       },
       "required": [
         "principalId",
-        "principalType"
+        "principalType",
+        "role"
       ],
       "type": "object"
+    },
+    "PluginShareTargetRole": {
+      "enum": [
+        "reader",
+        "editor"
+      ],
+      "type": "string"
+    },
+    "PluginShareUpdateDiscoverability": {
+      "enum": [
+        "UNLISTED",
+        "PRIVATE"
+      ],
+      "type": "string"
     }
   },
   "properties": {
+    "discoverability": {
+      "$ref": "#/definitions/PluginShareUpdateDiscoverability"
+    },
     "remotePluginId": {
       "type": "string"
     },
@@ -37,6 +58,7 @@
     }
   },
   "required": [
+    "discoverability",
     "remotePluginId",
     "shareTargets"
   ],

codex-rs/app-server-protocol/schema/json/v2/PluginShareUpdateTargetsResponse.json

@@ -1,6 +1,14 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
   "definitions": {
+    "PluginShareDiscoverability": {
+      "enum": [
+        "LISTED",
+        "UNLISTED",
+        "PRIVATE"
+      ],
+      "type": "string"
+    },
     "PluginSharePrincipal": {
       "properties": {
         "name": {
@@ -11,15 +19,27 @@
         },
         "principalType": {
           "$ref": "#/definitions/PluginSharePrincipalType"
+        },
+        "role": {
+          "$ref": "#/definitions/PluginSharePrincipalRole"
         }
       },
       "required": [
         "name",
         "principalId",
-        "principalType"
+        "principalType",
+        "role"
       ],
       "type": "object"
     },
+    "PluginSharePrincipalRole": {
+      "enum": [
+        "reader",
+        "editor",
+        "owner"
+      ],
+      "type": "string"
+    },
     "PluginSharePrincipalType": {
       "enum": [
         "user",
@@ -30,6 +50,9 @@
     }
   },
   "properties": {
+    "discoverability": {
+      "$ref": "#/definitions/PluginShareDiscoverability"
+    },
     "principals": {
       "items": {
         "$ref": "#/definitions/PluginSharePrincipal"
@@ -38,6 +61,7 @@
     }
   },
   "required": [
+    "discoverability",
     "principals"
   ],
   "title": "PluginShareUpdateTargetsResponse",

codex-rs/app-server-protocol/schema/json/v2/RemoteControlStatusChangedNotification.json

@@ -11,7 +11,7 @@
       "type": "string"
     }
   },
-  "description": "Current remote-control connection status and environment id exposed to clients.",
+  "description": "Current remote-control connection status and remote identity exposed to clients.",
   "properties": {
     "environmentId": {
       "type": [
@@ -19,11 +19,15 @@
         "null"
       ]
     },
+    "installationId": {
+      "type": "string"
+    },
     "status": {
       "$ref": "#/definitions/RemoteControlConnectionStatus"
     }
   },
   "required": [
+    "installationId",
     "status"
   ],
   "title": "RemoteControlStatusChangedNotification",

codex-rs/app-server-protocol/schema/json/v2/SkillsListParams.json

@@ -1,25 +1,5 @@
 {
   "$schema": "http://json-schema.org/draft-07/schema#",
-  "definitions": {
-    "SkillsListExtraRootsForCwd": {
-      "properties": {
-        "cwd": {
-          "type": "string"
-        },
-        "extraUserRoots": {
-          "items": {
-            "type": "string"
-          },
-          "type": "array"
-        }
-      },
-      "required": [
-        "cwd",
-        "extraUserRoots"
-      ],
-      "type": "object"
-    }
-  },
   "properties": {
     "cwds": {
       "description": "When empty, defaults to the current session working directory.",
@@ -31,17 +11,6 @@
     "forceReload": {
       "description": "When true, bypass the skills cache and re-scan skills from disk.",
       "type": "boolean"
-    },
-    "perCwdExtraUserRoots": {
-      "default": null,
-      "description": "Optional per-cwd extra roots to scan as user-scoped skills.",
-      "items": {
-        "$ref": "#/definitions/SkillsListExtraRootsForCwd"
-      },
-      "type": [
-        "array",
-        "null"
-      ]
     }
   },
   "title": "SkillsListParams",

codex-rs/app-server-protocol/schema/typescript/InitializeCapabilities.ts

@@ -10,6 +10,10 @@ export type InitializeCapabilities = {
  * Opt into receiving experimental API methods and fields.
  */
 experimentalApi: boolean,
+/**
+ * Opt into `attestation/generate` requests for upstream `x-oai-attestation`.
+ */
+requestAttestation: boolean,
 /**
  * Exact notification method names that should be suppressed for this
  * connection (for example `thread/started`).

codex-rs/app-server-protocol/schema/typescript/ServerRequest.ts

@@ -4,6 +4,7 @@
 import type { ApplyPatchApprovalParams } from "./ApplyPatchApprovalParams";
 import type { ExecCommandApprovalParams } from "./ExecCommandApprovalParams";
 import type { RequestId } from "./RequestId";
+import type { AttestationGenerateParams } from "./v2/AttestationGenerateParams";
 import type { ChatgptAuthTokensRefreshParams } from "./v2/ChatgptAuthTokensRefreshParams";
 import type { CommandExecutionRequestApprovalParams } from "./v2/CommandExecutionRequestApprovalParams";
 import type { DynamicToolCallParams } from "./v2/DynamicToolCallParams";
@@ -15,4 +16,4 @@ import type { ToolRequestUserInputParams } from "./v2/ToolRequestUserInputParams
 /**
  * Request initiated from the server and sent to the client.
  */
-export type ServerRequest = { "method": "item/commandExecution/requestApproval", id: RequestId, params: CommandExecutionRequestApprovalParams, } | { "method": "item/fileChange/requestApproval", id: RequestId, params: FileChangeRequestApprovalParams, } | { "method": "item/tool/requestUserInput", id: RequestId, params: ToolRequestUserInputParams, } | { "method": "mcpServer/elicitation/request", id: RequestId, params: McpServerElicitationRequestParams, } | { "method": "item/permissions/requestApproval", id: RequestId, params: PermissionsRequestApprovalParams, } | { "method": "item/tool/call", id: RequestId, params: DynamicToolCallParams, } | { "method": "account/chatgptAuthTokens/refresh", id: RequestId, params: ChatgptAuthTokensRefreshParams, } | { "method": "applyPatchApproval", id: RequestId, params: ApplyPatchApprovalParams, } | { "method": "execCommandApproval", id: RequestId, params: ExecCommandApprovalParams, };
+export type ServerRequest = { "method": "item/commandExecution/requestApproval", id: RequestId, params: CommandExecutionRequestApprovalParams, } | { "method": "item/fileChange/requestApproval", id: RequestId, params: FileChangeRequestApprovalParams, } | { "method": "item/tool/requestUserInput", id: RequestId, params: ToolRequestUserInputParams, } | { "method": "mcpServer/elicitation/request", id: RequestId, params: McpServerElicitationRequestParams, } | { "method": "item/permissions/requestApproval", id: RequestId, params: PermissionsRequestApprovalParams, } | { "method": "item/tool/call", id: RequestId, params: DynamicToolCallParams, } | { "method": "account/chatgptAuthTokens/refresh", id: RequestId, params: ChatgptAuthTokensRefreshParams, } | { "method": "attestation/generate", id: RequestId, params: AttestationGenerateParams, } | { "method": "applyPatchApproval", id: RequestId, params: ApplyPatchApprovalParams, } | { "method": "execCommandApproval", id: RequestId, params: ExecCommandApprovalParams, };

codex-rs/app-server-protocol/schema/typescript/v2/AttestationGenerateParams.ts

@@ -2,4 +2,4 @@
 
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
 
-export type SkillsListExtraRootsForCwd = { cwd: string, extraUserRoots: Array<string>, };
+export type AttestationGenerateParams = Record<string, never>;

codex-rs/app-server-protocol/schema/typescript/v2/AttestationGenerateResponse.ts

@@ -0,0 +1,9 @@
+// GENERATED CODE! DO NOT MODIFY BY HAND!
+
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type AttestationGenerateResponse = {
+/**
+ * Opaque client attestation token.
+ */
+token: string, };

codex-rs/app-server-protocol/schema/typescript/v2/CommandExecutionRequestApprovalParams.ts

@@ -8,6 +8,9 @@ import type { NetworkApprovalContext } from "./NetworkApprovalContext";
 import type { NetworkPolicyAmendment } from "./NetworkPolicyAmendment";
 
 export type CommandExecutionRequestApprovalParams = {threadId: string, turnId: string, itemId: string, /**
+ * Unix timestamp (in milliseconds) when this approval request started.
+ */
+startedAtMs: number, /**
  * Unique identifier for this specific approval callback.
  *
  * For regular shell/unified_exec approvals, this is null.

codex-rs/app-server-protocol/schema/typescript/v2/FileChangeRequestApprovalParams.ts

@@ -3,6 +3,10 @@
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
 
 export type FileChangeRequestApprovalParams = { threadId: string, turnId: string, itemId: string,
+/**
+ * Unix timestamp (in milliseconds) when this approval request started.
+ */
+startedAtMs: number,
 /**
  * Optional explanatory reason (e.g. request for extra write access).
  */

codex-rs/app-server-protocol/schema/typescript/v2/ItemGuardianApprovalReviewCompletedNotification.ts

@@ -10,6 +10,14 @@ import type { GuardianApprovalReviewAction } from "./GuardianApprovalReviewActio
  * shape is expected to change soon.
  */
 export type ItemGuardianApprovalReviewCompletedNotification = { threadId: string, turnId: string,
+/**
+ * Unix timestamp (in milliseconds) when this review started.
+ */
+startedAtMs: number,
+/**
+ * Unix timestamp (in milliseconds) when this review completed.
+ */
+completedAtMs: number,
 /**
  * Stable identifier for this review.
  */

codex-rs/app-server-protocol/schema/typescript/v2/ItemGuardianApprovalReviewStartedNotification.ts

@@ -9,6 +9,10 @@ import type { GuardianApprovalReviewAction } from "./GuardianApprovalReviewActio
  * shape is expected to change soon.
  */
 export type ItemGuardianApprovalReviewStartedNotification = { threadId: string, turnId: string,
+/**
+ * Unix timestamp (in milliseconds) when this review started.
+ */
+startedAtMs: number,
 /**
  * Stable identifier for this review.
  */

codex-rs/app-server-protocol/schema/typescript/v2/PermissionsRequestApprovalParams.ts

@@ -4,4 +4,8 @@
 import type { AbsolutePathBuf } from "../AbsolutePathBuf";
 import type { RequestPermissionProfile } from "./RequestPermissionProfile";
 
-export type PermissionsRequestApprovalParams = { threadId: string, turnId: string, itemId: string, cwd: AbsolutePathBuf, reason: string | null, permissions: RequestPermissionProfile, };
+export type PermissionsRequestApprovalParams = { threadId: string, turnId: string, itemId: string,
+/**
+ * Unix timestamp (in milliseconds) when this approval request started.
+ */
+startedAtMs: number, cwd: AbsolutePathBuf, reason: string | null, permissions: RequestPermissionProfile, };

codex-rs/app-server-protocol/schema/typescript/v2/PluginShareContext.ts

@@ -1,6 +1,7 @@
 // GENERATED CODE! DO NOT MODIFY BY HAND!
 
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { PluginShareDiscoverability } from "./PluginShareDiscoverability";
 import type { PluginSharePrincipal } from "./PluginSharePrincipal";
 
-export type PluginShareContext = { remotePluginId: string, shareUrl: string | null, creatorAccountUserId: string | null, creatorName: string | null, shareTargets: Array<PluginSharePrincipal> | null, };
+export type PluginShareContext = { remotePluginId: string, discoverability: PluginShareDiscoverability | null, shareUrl: string | null, creatorAccountUserId: string | null, creatorName: string | null, sharePrincipals: Array<PluginSharePrincipal> | null, };

codex-rs/app-server-protocol/schema/typescript/v2/PluginShareListItem.ts

@@ -4,4 +4,4 @@
 import type { AbsolutePathBuf } from "../AbsolutePathBuf";
 import type { PluginSummary } from "./PluginSummary";
 
-export type PluginShareListItem = { plugin: PluginSummary, shareUrl: string, localPluginPath: AbsolutePathBuf | null, };
+export type PluginShareListItem = { plugin: PluginSummary, localPluginPath: AbsolutePathBuf | null, };

codex-rs/app-server-protocol/schema/typescript/v2/PluginSharePrincipal.ts

@@ -1,6 +1,7 @@
 // GENERATED CODE! DO NOT MODIFY BY HAND!
 
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { PluginSharePrincipalRole } from "./PluginSharePrincipalRole";
 import type { PluginSharePrincipalType } from "./PluginSharePrincipalType";
 
-export type PluginSharePrincipal = { principalType: PluginSharePrincipalType, principalId: string, name: string, };
+export type PluginSharePrincipal = { principalType: PluginSharePrincipalType, principalId: string, role: PluginSharePrincipalRole, name: string, };

codex-rs/app-server-protocol/schema/typescript/v2/PluginSharePrincipalRole.ts

@@ -0,0 +1,5 @@
+// GENERATED CODE! DO NOT MODIFY BY HAND!
+
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type PluginSharePrincipalRole = "reader" | "editor" | "owner";

codex-rs/app-server-protocol/schema/typescript/v2/PluginShareTarget.ts

@@ -2,5 +2,6 @@
 
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
 import type { PluginSharePrincipalType } from "./PluginSharePrincipalType";
+import type { PluginShareTargetRole } from "./PluginShareTargetRole";
 
-export type PluginShareTarget = { principalType: PluginSharePrincipalType, principalId: string, };
+export type PluginShareTarget = { principalType: PluginSharePrincipalType, principalId: string, role: PluginShareTargetRole, };

codex-rs/app-server-protocol/schema/typescript/v2/PluginShareTargetRole.ts

@@ -0,0 +1,5 @@
+// GENERATED CODE! DO NOT MODIFY BY HAND!
+
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type PluginShareTargetRole = "reader" | "editor";

codex-rs/app-server-protocol/schema/typescript/v2/PluginShareUpdateDiscoverability.ts

@@ -0,0 +1,5 @@
+// GENERATED CODE! DO NOT MODIFY BY HAND!
+
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type PluginShareUpdateDiscoverability = "UNLISTED" | "PRIVATE";

codex-rs/app-server-protocol/schema/typescript/v2/PluginShareUpdateTargetsParams.ts

@@ -2,5 +2,6 @@
 
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
 import type { PluginShareTarget } from "./PluginShareTarget";
+import type { PluginShareUpdateDiscoverability } from "./PluginShareUpdateDiscoverability";
 
-export type PluginShareUpdateTargetsParams = { remotePluginId: string, shareTargets: Array<PluginShareTarget>, };
+export type PluginShareUpdateTargetsParams = { remotePluginId: string, discoverability: PluginShareUpdateDiscoverability, shareTargets: Array<PluginShareTarget>, };

codex-rs/app-server-protocol/schema/typescript/v2/PluginShareUpdateTargetsResponse.ts

@@ -1,6 +1,7 @@
 // GENERATED CODE! DO NOT MODIFY BY HAND!
 
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { PluginShareDiscoverability } from "./PluginShareDiscoverability";
 import type { PluginSharePrincipal } from "./PluginSharePrincipal";
 
-export type PluginShareUpdateTargetsResponse = { principals: Array<PluginSharePrincipal>, };
+export type PluginShareUpdateTargetsResponse = { principals: Array<PluginSharePrincipal>, discoverability: PluginShareDiscoverability, };

codex-rs/app-server-protocol/schema/typescript/v2/RemoteControlStatusChangedNotification.ts

@@ -4,6 +4,6 @@
 import type { RemoteControlConnectionStatus } from "./RemoteControlConnectionStatus";
 
 /**
- * Current remote-control connection status and environment id exposed to clients.
+ * Current remote-control connection status and remote identity exposed to clients.
  */
-export type RemoteControlStatusChangedNotification = { status: RemoteControlConnectionStatus, environmentId: string | null, };
+export type RemoteControlStatusChangedNotification = { status: RemoteControlConnectionStatus, installationId: string, environmentId: string | null, };

codex-rs/app-server-protocol/schema/typescript/v2/SkillsListParams.ts

@@ -1,7 +1,6 @@
 // GENERATED CODE! DO NOT MODIFY BY HAND!
 
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
-import type { SkillsListExtraRootsForCwd } from "./SkillsListExtraRootsForCwd";
 
 export type SkillsListParams = {
 /**
@@ -11,8 +10,4 @@ cwds?: Array<string>,
 /**
  * When true, bypass the skills cache and re-scan skills from disk.
  */
-forceReload?: boolean,
-/**
- * Optional per-cwd extra roots to scan as user-scoped skills.
- */
-perCwdExtraUserRoots?: Array<SkillsListExtraRootsForCwd> | null, };
+forceReload?: boolean, };

codex-rs/app-server-protocol/schema/typescript/v2/index.ts

@@ -28,6 +28,8 @@ export type { AppsDefaultConfig } from "./AppsDefaultConfig";
 export type { AppsListParams } from "./AppsListParams";
 export type { AppsListResponse } from "./AppsListResponse";
 export type { AskForApproval } from "./AskForApproval";
+export type { AttestationGenerateParams } from "./AttestationGenerateParams";
+export type { AttestationGenerateResponse } from "./AttestationGenerateResponse";
 export type { AutoReviewDecisionSource } from "./AutoReviewDecisionSource";
 export type { ByteRange } from "./ByteRange";
 export type { CancelLoginAccountParams } from "./CancelLoginAccountParams";
@@ -283,10 +285,13 @@ export type { PluginShareListItem } from "./PluginShareListItem";
 export type { PluginShareListParams } from "./PluginShareListParams";
 export type { PluginShareListResponse } from "./PluginShareListResponse";
 export type { PluginSharePrincipal } from "./PluginSharePrincipal";
+export type { PluginSharePrincipalRole } from "./PluginSharePrincipalRole";
 export type { PluginSharePrincipalType } from "./PluginSharePrincipalType";
 export type { PluginShareSaveParams } from "./PluginShareSaveParams";
 export type { PluginShareSaveResponse } from "./PluginShareSaveResponse";
 export type { PluginShareTarget } from "./PluginShareTarget";
+export type { PluginShareTargetRole } from "./PluginShareTargetRole";
+export type { PluginShareUpdateDiscoverability } from "./PluginShareUpdateDiscoverability";
 export type { PluginShareUpdateTargetsParams } from "./PluginShareUpdateTargetsParams";
 export type { PluginShareUpdateTargetsResponse } from "./PluginShareUpdateTargetsResponse";
 export type { PluginSkillReadParams } from "./PluginSkillReadParams";
@@ -336,7 +341,6 @@ export type { SkillsChangedNotification } from "./SkillsChangedNotification";
 export type { SkillsConfigWriteParams } from "./SkillsConfigWriteParams";
 export type { SkillsConfigWriteResponse } from "./SkillsConfigWriteResponse";
 export type { SkillsListEntry } from "./SkillsListEntry";
-export type { SkillsListExtraRootsForCwd } from "./SkillsListExtraRootsForCwd";
 export type { SkillsListParams } from "./SkillsListParams";
 export type { SkillsListResponse } from "./SkillsListResponse";
 export type { SortDirection } from "./SortDirection";

codex-rs/app-server-protocol/src/protocol/common.rs

@@ -581,6 +581,13 @@ client_request_definitions! {
         serialization: None,
         response: v2::ThreadTurnsListResponse,
     },
+    #[experimental("thread/turns/items/list")]
+    ThreadTurnsItemsList => "thread/turns/items/list" {
+        params: v2::ThreadTurnsItemsListParams,
+        // Explicitly concurrent: this primarily reads append-only rollout storage.
+        serialization: None,
+        response: v2::ThreadTurnsItemsListResponse,
+    },
     /// Append raw Responses API items to the thread history without starting a user turn.
     ThreadInjectItems => "thread/inject_items" {
         params: v2::ThreadInjectItemsParams,
@@ -801,6 +808,13 @@ client_request_definitions! {
         serialization: None,
         response: v2::MockExperimentalMethodResponse,
     },
+    #[experimental("environment/add")]
+    /// Adds or replaces a remote environment by id for later selection.
+    EnvironmentAdd => "environment/add" {
+        params: v2::EnvironmentAddParams,
+        serialization: global("environment"),
+        response: v2::EnvironmentAddResponse,
+    },
 
     McpServerOauthLogin => "mcpServer/oauth/login" {
         params: v2::McpServerOauthLoginParams,
@@ -1305,6 +1319,12 @@ server_request_definitions! {
         response: v2::ChatgptAuthTokensRefreshResponse,
     },
 
+    /// Generate a fresh upstream attestation result on demand.
+    AttestationGenerate => "attestation/generate" {
+        params: v2::AttestationGenerateParams,
+        response: v2::AttestationGenerateResponse,
+    },
+
     /// DEPRECATED APIs below
     /// Request to approve a patch.
     /// This request is used for Turns started via the legacy APIs (i.e. SendUserTurn, SendUserMessage).
@@ -1649,7 +1669,6 @@ mod tests {
             params: v2::SkillsListParams {
                 cwds: Vec::new(),
                 force_reload: false,
-                per_cwd_extra_user_roots: None,
             },
         };
         assert_eq!(
@@ -1784,6 +1803,18 @@ mod tests {
             add_credits_nudge.serialization_scope(),
             Some(ClientRequestSerializationScope::Global("account-auth"))
         );
+
+        let environment_add = ClientRequest::EnvironmentAdd {
+            request_id: request_id(),
+            params: v2::EnvironmentAddParams {
+                environment_id: "remote-a".to_string(),
+                exec_server_url: "ws://127.0.0.1:8765".to_string(),
+            },
+        };
+        assert_eq!(
+            environment_add.serialization_scope(),
+            Some(ClientRequestSerializationScope::Global("environment"))
+        );
     }
 
     #[test]
@@ -1843,10 +1874,23 @@ mod tests {
                 cursor: None,
                 limit: None,
                 sort_direction: None,
+                items_view: None,
             },
         };
         assert_eq!(thread_turns_list.serialization_scope(), None);
 
+        let thread_turns_items_list = ClientRequest::ThreadTurnsItemsList {
+            request_id: request_id(),
+            params: v2::ThreadTurnsItemsListParams {
+                thread_id: "thread-1".to_string(),
+                turn_id: "turn-1".to_string(),
+                cursor: None,
+                limit: None,
+                sort_direction: None,
+            },
+        };
+        assert_eq!(thread_turns_items_list.serialization_scope(), None);
+
         let mcp_resource_read = ClientRequest::McpResourceRead {
             request_id: request_id(),
             params: v2::McpResourceReadParams {
@@ -1891,6 +1935,7 @@ mod tests {
                 },
                 capabilities: Some(v1::InitializeCapabilities {
                     experimental_api: true,
+                    request_attestation: true,
                     opt_out_notification_methods: Some(vec![
                         "thread/started".to_string(),
                         "item/agentMessage/delta".to_string(),
@@ -1911,6 +1956,7 @@ mod tests {
                     },
                     "capabilities": {
                         "experimentalApi": true,
+                        "requestAttestation": true,
                         "optOutNotificationMethods": [
                             "thread/started",
                             "item/agentMessage/delta"
@@ -1936,6 +1982,7 @@ mod tests {
                 },
                 "capabilities": {
                     "experimentalApi": true,
+                    "requestAttestation": true,
                     "optOutNotificationMethods": [
                         "thread/started",
                         "item/agentMessage/delta"
@@ -1956,6 +2003,7 @@ mod tests {
                     },
                     capabilities: Some(v1::InitializeCapabilities {
                         experimental_api: true,
+                        request_attestation: true,
                         opt_out_notification_methods: Some(vec![
                             "thread/started".to_string(),
                             "item/agentMessage/delta".to_string(),
@@ -2072,6 +2120,28 @@ mod tests {
         Ok(())
     }
 
+    #[test]
+    fn serialize_attestation_generate_request() -> Result<()> {
+        let params = v2::AttestationGenerateParams {};
+        let request = ServerRequest::AttestationGenerate {
+            request_id: RequestId::Integer(9),
+            params: params.clone(),
+        };
+        assert_eq!(
+            json!({
+                "method": "attestation/generate",
+                "id": 9,
+                "params": {}
+            }),
+            serde_json::to_value(&request)?,
+        );
+
+        let payload = ServerRequestPayload::AttestationGenerate(params);
+        assert_eq!(request.id(), &RequestId::Integer(9));
+        assert_eq!(payload.request_with_id(RequestId::Integer(9)), request);
+        Ok(())
+    }
+
     #[test]
     fn serialize_server_response() -> Result<()> {
         let response = ServerResponse::CommandExecutionRequestApproval {
@@ -2527,10 +2597,33 @@ mod tests {
         Ok(())
     }
 
+    #[test]
+    fn serialize_environment_add() -> Result<()> {
+        let request = ClientRequest::EnvironmentAdd {
+            request_id: RequestId::Integer(9),
+            params: v2::EnvironmentAddParams {
+                environment_id: "remote-a".to_string(),
+                exec_server_url: "ws://127.0.0.1:8765".to_string(),
+            },
+        };
+        assert_eq!(
+            json!({
+                "method": "environment/add",
+                "id": 9,
+                "params": {
+                    "environmentId": "remote-a",
+                    "execServerUrl": "ws://127.0.0.1:8765"
+                }
+            }),
+            serde_json::to_value(&request)?,
+        );
+        Ok(())
+    }
+
     #[test]
     fn serialize_fs_get_metadata() -> Result<()> {
         let request = ClientRequest::FsGetMetadata {
-            request_id: RequestId::Integer(9),
+            request_id: RequestId::Integer(10),
             params: v2::FsGetMetadataParams {
                 path: absolute_path("tmp/example"),
             },
@@ -2538,7 +2631,7 @@ mod tests {
         assert_eq!(
             json!({
                 "method": "fs/getMetadata",
-                "id": 9,
+                "id": 10,
                 "params": {
                     "path": absolute_path_string("tmp/example")
                 }
@@ -2799,6 +2892,19 @@ mod tests {
         assert_eq!(reason, Some("mock/experimentalMethod"));
     }
 
+    #[test]
+    fn environment_add_is_marked_experimental() {
+        let request = ClientRequest::EnvironmentAdd {
+            request_id: RequestId::Integer(1),
+            params: v2::EnvironmentAddParams {
+                environment_id: "remote-a".to_string(),
+                exec_server_url: "ws://127.0.0.1:8765".to_string(),
+            },
+        };
+        let reason = crate::experimental_api::ExperimentalApi::experimental_reason(&request);
+        assert_eq!(reason, Some("environment/add"));
+    }
+
     #[test]
     fn command_exec_permission_profile_is_marked_experimental() {
         let request = ClientRequest::OneOffCommandExec {
@@ -2947,6 +3053,7 @@ mod tests {
             thread_id: "thr_123".to_string(),
             turn_id: "turn_123".to_string(),
             item_id: "call_123".to_string(),
+            started_at_ms: 0,
             approval_id: None,
             reason: None,
             network_approval_context: None,

codex-rs/app-server-protocol/src/protocol/item_builders.rs

@@ -243,6 +243,7 @@ pub fn guardian_auto_approval_review_notification(
                     thread_id: conversation_id.to_string(),
                     turn_id,
                     review_id: assessment.id.clone(),
+                    started_at_ms: assessment.started_at_ms,
                     target_item_id: assessment.target_item_id.clone(),
                     review,
                     action,
@@ -258,6 +259,10 @@ pub fn guardian_auto_approval_review_notification(
                     thread_id: conversation_id.to_string(),
                     turn_id,
                     review_id: assessment.id.clone(),
+                    started_at_ms: assessment.started_at_ms,
+                    completed_at_ms: assessment
+                        .completed_at_ms
+                        .unwrap_or(assessment.started_at_ms),
                     target_item_id: assessment.target_item_id.clone(),
                     decision_source: assessment
                         .decision_source

codex-rs/app-server-protocol/src/protocol/thread_history.rs

@@ -2143,6 +2143,8 @@ mod tests {
                 id: "review-guardian-exec".into(),
                 target_item_id: Some("guardian-exec".into()),
                 turn_id: "turn-1".into(),
+                started_at_ms: 1_000,
+                completed_at_ms: None,
                 status: GuardianAssessmentStatus::InProgress,
                 risk_level: None,
                 user_authorization: None,
@@ -2160,6 +2162,8 @@ mod tests {
                 id: "review-guardian-exec".into(),
                 target_item_id: Some("guardian-exec".into()),
                 turn_id: "turn-1".into(),
+                started_at_ms: 1_000,
+                completed_at_ms: Some(1_042),
                 status: GuardianAssessmentStatus::Denied,
                 risk_level: Some(codex_protocol::protocol::GuardianRiskLevel::High),
                 user_authorization: Some(codex_protocol::protocol::GuardianUserAuthorization::Low),
@@ -2222,6 +2226,8 @@ mod tests {
                 id: "review-guardian-execve".into(),
                 target_item_id: Some("guardian-execve".into()),
                 turn_id: "turn-1".into(),
+                started_at_ms: 2_000,
+                completed_at_ms: None,
                 status: GuardianAssessmentStatus::InProgress,
                 risk_level: None,
                 user_authorization: None,
@@ -2525,6 +2531,7 @@ mod tests {
             EventMsg::ApplyPatchApprovalRequest(ApplyPatchApprovalRequestEvent {
                 call_id: "patch-call".into(),
                 turn_id: turn_id.to_string(),
+                started_at_ms: 0,
                 changes: [(
                     PathBuf::from("README.md"),
                     codex_protocol::protocol::FileChange::Add {

codex-rs/app-server-protocol/src/protocol/v1.rs

@@ -46,6 +46,9 @@ pub struct InitializeCapabilities {
     /// Opt into receiving experimental API methods and fields.
     #[serde(default)]
     pub experimental_api: bool,
+    /// Opt into `attestation/generate` requests for upstream `x-oai-attestation`.
+    #[serde(default)]
+    pub request_attestation: bool,
     /// Exact notification method names that should be suppressed for this
     /// connection (for example `thread/started`).
     #[ts(optional = nullable)]