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Add code_mode output helpers for text and images (#14244)

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Summary
- document how code-mode can import `output_text`/`output_image` and
ensure `add_content` stays compatible
- add a synthetic `@openai/code_mode` module that appends content items
and validates inputs
- cover the new behavior with integration tests for structured text and
image outputs

Testing
- Not run (not requested)
This commit is contained in:
pakrym-oai
2026-03-10 16:25:27 -07:00
committed by GitHub
parent bf936fa0c1
commit 8b33485302
5 changed files with 187 additions and 19 deletions
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6
codex-rs/core/src/tools/code_mode.rs
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@@ -94,13 +94,13 @@ pub(crate) fn instructions(config: &Config) -> Option<String> {
section.push_str("- Direct tool calls remain available while `code_mode` is enabled.\n");
section.push_str("- `code_mode` uses the same Node runtime resolution as `js_repl`. If needed, point `js_repl_node_path` at the Node binary you want Codex to use.\n");
section.push_str("- Import nested tools from `tools.js`, for example `import { exec_command } from \"tools.js\"` or `import { tools } from \"tools.js\"`. Namespaced tools are also available from `tools/<namespace...>.js`; MCP tools use `tools/mcp/<server>.js`, for example `import { append_notebook_logs_chart } from \"tools/mcp/ologs.js\"`. `tools[name]` and identifier wrappers like `await exec_command(args)` remain available for compatibility. Nested tool calls resolve to their code-mode result values.\n");
section.push_str("- Import `set_max_output_tokens_per_exec_call` from `@openai/code_mode` to set the token budget used to truncate the final Rust-side result of the current `code_mode` execution. The default is `10000`. This guards the overall `code_mode` output, not individual nested tool invocations. When truncation happens, the final text uses the unified-exec style `Original token count:` / `Output:` wrapper and the usual `…N tokens truncated…` marker.\n");
section.push_str("- Import `{ output_text, output_image, set_max_output_tokens_per_exec_call }` from `@openai/code_mode`. `output_text(value)` surfaces text back to the model and stringifies non-string objects with `JSON.stringify(...)` when possible. `output_image(imageUrl)` appends an `input_image` content item for `http(s)` or `data:` URLs. `set_max_output_tokens_per_exec_call(value)` sets the token budget used to truncate the final Rust-side result of the current `code_mode` execution; the default is `10000`. This guards the overall `code_mode` output, not individual nested tool invocations. When truncation happens, the final text uses the unified-exec style `Original token count:` / `Output:` wrapper and the usual `…N tokens truncated…` marker.\n");
section.push_str(
"- Function tools require JSON object arguments. Freeform tools require raw strings.\n",
);
section.push_str("- `add_content(value)` is synchronous. It accepts a content item, an array of content items, or a string. Structured nested-tool results should be converted to text first, for example with `JSON.stringify(...)`.\n");
section.push_str("- `add_content(value)` remains available for compatibility. It is synchronous and accepts a content item, an array of content items, or a string. Structured nested-tool results should be converted to text first, for example with `JSON.stringify(...)`.\n");
section
.push_str("- Only content passed to `add_content(value)` is surfaced back to the model.");
.push_str("- Only content passed to `output_text(...)`, `output_image(...)`, or `add_content(value)` is surfaced back to the model.");
Some(section)
}