Yichen Jiang
027af418a2
# Conflicts: # docs/architecture.md # docs/capability-seams.md # docs/config-catalog.md # docs/cordis-catalog/services.md # docs/core-data-structures/bash.md # docs/module-graph.md # docs/tool-catalog.md # examples/acp-agent/tests/snapshots/advanced-toolchain/system-prompt.golden.md # examples/acp-agent/tests/snapshots/advanced-toolchain/tool-schemas.golden.json # examples/acp-agent/tests/snapshots/both-mode-turn/system-prompt.golden.md # examples/acp-agent/tests/snapshots/both-mode-turn/tool-schemas.golden.json # examples/acp-agent/tests/snapshots/code-mode-turn/system-prompt.golden.md # examples/acp-agent/tests/snapshots/permission-switching/tool-schemas.golden.json # examples/acp-agent/tests/snapshots/skill-load/tool-schemas.golden.json # examples/acp-agent/tests/snapshots/text-turn/tool-schemas.golden.json # examples/acp-agent/tests/snapshots/workspace-edit/tool-schemas.golden.json # packages/bash/bash-local/README.md # packages/bash/bash-local/src/index.ts # packages/bash/bash-local/tests/executor.spec.ts # packages/bash/bash/README.md # packages/bash/bash/src/index.ts # packages/bash/bash/src/types.ts # packages/bash/tool-bash/README.md # packages/bash/tool-bash/package.json # packages/bash/tool-bash/src/index.ts # packages/bash/tool-bash/tests/tools.spec.ts # packages/bash/tool-bash/tsconfig.json # packages/cordis/tool-cordis/src/api-catalog.ts # packages/examples/agent-spine-demo/README.md # packages/examples/agent-spine-demo/src/index.ts # packages/examples/agent-spine-demo/tests/agent-core.spec.ts # pnpm-lock.yaml
hooks/ — hook bridges + shared protocol
The hooks subsystem lets users extend the agent at lifecycle points the way Claude Code and Codex do — by pointing a bridge plugin at an existing hooks.json (or settings) so those external shell hooks run faithfully. The canonical extension surface itself is the harness's typed interception seams (the interception-seams RFC); a "native hook" is just an ordinary cordis plugin on those seams. These packages are the bridges that translate the external shell-hook protocol onto that same surface, plus the shared wire-protocol library they build on.
| Package | Role | Shape |
|---|---|---|
hook-protocol/ |
Shared wire-protocol core: matcher primitive, exit-code/stdout codec, runHook (via ctx.bash), most-restrictive merge, hook/* session events, detached-run quiescence |
library (no plugin) |
hooks-claude/ |
Bridge for a Claude Code hooks.json / settings |
plugin |
hooks-codex/ |
Bridge for a Codex hooks.json |
plugin |
Codex deliberately reimplements a subset of the Claude Code protocol (same hooks.json shape, 5 events vs CC's many, command-only, regex-only matcher, no env/substitution), so hook-protocol owns the genuinely-identical primitives and each bridge owns only what differs (its per-event stdin payload, env, and the mapping of a hook's neutral outcome onto the harness's typed Decisions). See hook-protocol/README.md.