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## Why Extension-owned tools currently receive a stripped `ToolCall` with only `call_id`, `tool_name`, and `payload`. That makes extension work that needs turn-local execution context awkward, especially web-search extension work that needs the active `truncation_policy` at tool invocation time. Reconstructing that value from config or `ExtensionData` would be indirect and could drift from the actual turn context, so the cleaner fix is to pass the needed turn metadata directly on the extension-facing invocation type. ## What changed - added `turn_id` and `truncation_policy` to `codex_tools::ToolCall` - populated those fields when core adapts `ToolInvocation` into an extension tool call - added a focused adapter test that verifies extension executors receive the forwarded turn metadata - updated the memories extension tests to construct the richer `ToolCall` - added the `codex-utils-output-truncation` dependency to `codex-tools` and refreshed lockfiles ## Testing - `cargo test -p codex-tools` - `cargo test -p codex-memories-extension` - `cargo test -p codex-core passes_turn_fields_to_extension_call` - `just bazel-lock-update` - `just bazel-lock-check`