Tianyi Cui
65165b5d54
The two hook bridges (dsh-hooks-claude, dsh-hooks-codex) would otherwise duplicate
the bulk of the protocol — Codex deliberately reimplements a SUBSET of the Claude
Code protocol (same hooks.json shape, exit-code/stdout contract, command-hook
model). This library holds the genuinely-identical primitives; each bridge owns
only what differs (per-event stdin payload, env/substitution, decision mapping).
New packages/hooks/ group; hook-protocol is a LIBRARY (no plugin, registers/injects
nothing):
- matcher: matchesMatcher(pattern, query, mode) — the one dialect axis collapsed to
a mode param (claude = literal-or-regex with pipe alternation; codex = always
unanchored regex). Match-all on absent/''/'*'; invalid regex matches nothing.
- codec: parseHookOutput(exit, stdout, stderr) → dialect-neutral HookOutput. Exit 0
→ lenient JSON; exit 2 → blocking error (stderr = reason, surfaced as
decision:'block'); other → non-blocking. Parses the CC superset
(continue/stopReason/decision/hookSpecificOutput.{permissionDecision,
additionalContext,updatedInput}/systemMessage); permissionDecision overrides the
legacy top-level decision.
- runner: runHook(bash, hook, opts, now) — runs a command hook via ctx.bash (stdin
payload + trusted-plugin env), honors timeoutSec, never throws (executor reject →
non-blocking-error HookOutput). Injected clock for testable durations.
- merge: mergeHookOutputs — most-restrictive fold (deny>ask>allow, sticky stop,
block reasons joined, context/system-messages accumulated).
- hook/* session events (declaration-merged into SessionEventMap, log-only like
compact/*) + appendHookInvoked/appendHookResult helpers.
updatedInput is parsed but NOT honored (deferred pre-tool-input-rewrite RFC); a
bridge logs+warns. 47 unit tests at per-file 100% (matcher per-mode, codec per
exit-code/field, runner plumbing w/ stub executor, merge precedence, hook/*
helpers). RFC: implemented/feature/2026-06-30-hook-protocol-lib.md.
134 lines
4.2 KiB
Markdown
134 lines
4.2 KiB
Markdown
<!-- Generated by scripts/gen-module-graph.ts — do not edit by hand.
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Run `pnpm run gen-module-graph` to regenerate. -->
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# Module dependency graph
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Inter-package dependencies among the `@deepseek-ai/dsh-*` harness packages, derived from each package's `peerDependencies` (the canonical runtime-dependency signal). An edge `a --> b` means package `a` depends on package `b`. Names have the `@deepseek-ai/dsh-` prefix stripped.
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```mermaid
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graph TD
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bash --> brand
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llm --> brand
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bash-local --> bash
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llm-deepseek --> llm
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llm-pi-ai --> llm
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session --> brand
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session --> llm
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system-prompt --> llm
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agent --> brand
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agent --> llm
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agent --> session
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compact --> llm
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compact --> session
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hook-protocol --> bash
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hook-protocol --> session
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llm-replay --> llm
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llm-replay --> session
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session-persistence --> session
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invariants --> agent
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invariants --> llm
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invariants --> session
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session-persistence-jsonl --> session
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session-persistence-jsonl --> session-persistence
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session-persistence-sqlite --> session
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session-persistence-sqlite --> session-persistence
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tools --> agent
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tools --> llm
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tools --> system-prompt
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ui-stdio --> agent
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ui-stdio --> llm
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ui-stdio --> session
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acp --> agent
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acp --> llm
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acp --> session
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acp --> session-persistence
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acp --> tools
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agent-loop --> agent
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agent-loop --> llm
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agent-loop --> session
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agent-loop --> session-persistence
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agent-loop --> system-prompt
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agent-loop --> tools
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subagent --> agent
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subagent --> llm
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subagent --> tools
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tool-bash --> agent
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tool-bash --> bash
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tool-bash --> llm
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tool-bash --> tools
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tool-todo --> agent
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tool-todo --> session
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tool-todo --> tools
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agent-core --> agent
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agent-core --> agent-loop
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agent-core --> invariants
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agent-core --> llm
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agent-core --> session
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agent-core --> system-prompt
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agent-core --> tool-bash
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agent-core --> tools
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subagent-acp --> agent
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subagent-acp --> llm
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subagent-acp --> subagent
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subagent-inprocess --> agent
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subagent-inprocess --> llm
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subagent-inprocess --> session
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subagent-inprocess --> subagent
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subagent-mock --> agent
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subagent-mock --> llm
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subagent-mock --> subagent
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tool-subagent --> agent
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tool-subagent --> llm
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tool-subagent --> subagent
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tool-subagent --> tools
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acp-agent --> acp
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acp-agent --> agent-core
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acp-agent --> session-persistence-jsonl
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stdio-agent --> agent
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stdio-agent --> agent-core
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stdio-agent --> session
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stdio-agent --> session-persistence-jsonl
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stdio-agent --> ui-stdio
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subagent-fork --> agent
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subagent-fork --> session
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subagent-fork --> subagent
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subagent-fork --> subagent-inprocess
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subagent-spawn --> subagent
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subagent-spawn --> subagent-inprocess
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```
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| Package | Depends on |
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| --- | --- |
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| `brand` | — |
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| `bash` | `brand` |
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| `llm` | `brand` |
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| `bash-local` | `bash` |
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| `llm-deepseek` | `llm` |
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| `llm-pi-ai` | `llm` |
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| `session` | `brand`, `llm` |
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| `system-prompt` | `llm` |
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| `agent` | `brand`, `llm`, `session` |
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| `compact` | `llm`, `session` |
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| `hook-protocol` | `bash`, `session` |
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| `llm-replay` | `llm`, `session` |
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| `session-persistence` | `session` |
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| `invariants` | `agent`, `llm`, `session` |
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| `session-persistence-jsonl` | `session`, `session-persistence` |
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| `session-persistence-sqlite` | `session`, `session-persistence` |
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| `tools` | `agent`, `llm`, `system-prompt` |
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| `ui-stdio` | `agent`, `llm`, `session` |
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| `acp` | `agent`, `llm`, `session`, `session-persistence`, `tools` |
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| `agent-loop` | `agent`, `llm`, `session`, `session-persistence`, `system-prompt`, `tools` |
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| `subagent` | `agent`, `llm`, `tools` |
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| `tool-bash` | `agent`, `bash`, `llm`, `tools` |
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| `tool-todo` | `agent`, `session`, `tools` |
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| `agent-core` | `agent`, `agent-loop`, `invariants`, `llm`, `session`, `system-prompt`, `tool-bash`, `tools` |
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| `subagent-acp` | `agent`, `llm`, `subagent` |
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| `subagent-inprocess` | `agent`, `llm`, `session`, `subagent` |
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| `subagent-mock` | `agent`, `llm`, `subagent` |
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| `tool-subagent` | `agent`, `llm`, `subagent`, `tools` |
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| `acp-agent` | `acp`, `agent-core`, `session-persistence-jsonl` |
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| `stdio-agent` | `agent`, `agent-core`, `session`, `session-persistence-jsonl`, `ui-stdio` |
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| `subagent-fork` | `agent`, `session`, `subagent`, `subagent-inprocess` |
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| `subagent-spawn` | `subagent`, `subagent-inprocess` |
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