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## Summary This PR adds an **experimental, feature-gated `js_repl` core runtime** so models can execute JavaScript in a persistent REPL context across tool calls. The implementation integrates with existing feature gating, tool registration, prompt composition, config/schema docs, and tests. ## What changed - Added new experimental feature flag: `features.js_repl`. - Added freeform `js_repl` tool and companion `js_repl_reset` tool. - Gated tool availability behind `Feature::JsRepl`. - Added conditional prompt-section injection for JS REPL instructions via marker-based prompt processing. - Implemented JS REPL handlers, including freeform parsing and pragma support (timeout/reset controls). - Added runtime resolution order for Node: 1. `CODEX_JS_REPL_NODE_PATH` 2. `js_repl_node_path` in config 3. `PATH` - Added JS runtime assets/version files and updated docs/schema. ## Why This enables richer agent workflows that require incremental JavaScript execution with preserved state, while keeping rollout safe behind an explicit feature flag. ## Testing Coverage includes: - Feature-flag gating behavior for tool exposure. - Freeform parser/pragma handling edge cases. - Runtime behavior (state persistence across calls and top-level `await` support). ## Usage ```toml [features] js_repl = true ``` Optional runtime override: - `CODEX_JS_REPL_NODE_PATH`, or - `js_repl_node_path` in config. #### [git stack](https://github.com/magus/git-stack-cli) - 👉 `1` https://github.com/openai/codex/pull/10674 - ⏳ `2` https://github.com/openai/codex/pull/10672 - ⏳ `3` https://github.com/openai/codex/pull/10671 - ⏳ `4` https://github.com/openai/codex/pull/10673 - ⏳ `5` https://github.com/openai/codex/pull/10670
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420 B
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10 lines
420 B
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OpenAI Codex
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Copyright 2025 OpenAI
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This project includes code derived from [Ratatui](https://github.com/ratatui/ratatui), licensed under the MIT license.
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Copyright (c) 2016-2022 Florian Dehau
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Copyright (c) 2023-2025 The Ratatui Developers
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This project includes Meriyah parser assets from [meriyah](https://github.com/meriyah/meriyah), licensed under the ISC license.
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Copyright (c) 2019 and later, KFlash and others.
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