Files
deepseek-harness/docs/event-producer-consumer.md
Tianyi Cui 3633cf90c8 fix(review): contain provider-removed listener failures; pin the model-via-request path
ds-review-bot round 2, both warnings:

- subagent/provider-removed now routes through emitLifecycle (per-listener
  containment, the subagent/start|end precedent) instead of raw ctx.emit,
  whose dispatch halts on the first throw: a throwing subscriber can no
  longer starve a later mirror into keeping a stale tool, nor disrupt the
  backend fiber's teardown mid-disposer. provider-added deliberately keeps
  propagation (register-time rollback semantics, like the system-prompt
  registries); the asymmetry is documented on emitLifecycle, the event
  JSDoc, and the provider-lifecycle RFC.

- The documented model-via-agent/request fallback composes with a
  {{model}} persona via the ownership rule itself: the plugin supplying
  the model late states it early on the system-prompt/assemble waterfall.
  Declined re-ordering render after agent/request — it would break the
  agent/pre-step contract (compaction must measure the prompt the model
  sees). New loop test pins the supply path end-to-end; the RFC's
  {{model}} consequence bullet now covers supply as well as switch.
2026-07-06 00:34:47 +08:00

6.8 KiB

Event Producer And Consumer Matrix

This matrix shows which packages dispatch each harness-owned event and which packages listen to it. It is intentionally a table rather than one large graph: events are many-to-many, and dense relation data is easier to review in rows. Dynamic dispatch overrides cover sites that deliberately bypass ctx.emit, such as subagent lifecycle containment.

Event Mode Declared in Dispatchers Listeners
agent/created emit packages/core/agent/src/types.ts:248 agent (emit) stdio-agent
agent/disposed emit packages/core/agent/src/types.ts:255 agent (emit) stdio-agent
agent/error emit packages/core/agent/src/types.ts:394 agent-loop (emit) -
agent/pre-step serial packages/core/agent/src/types.ts:333 agent-loop (serial) compact-basic
agent/prompt-submit waterfall packages/core/agent/src/types.ts:346 agent-loop (waterfall) hooks-claude, hooks-codex
agent/queued emit packages/core/agent/src/types.ts:273 agent-loop (emit) -
agent/request waterfall packages/core/agent/src/types.ts:359 agent-loop (waterfall), compact-basic (waterfall) -
agent/session-start emit packages/core/agent/src/types.ts:288 agent-loop (emit) hooks-claude, hooks-codex
agent/status emit packages/core/agent/src/types.ts:264 agent-loop (emit) acp, invariants, stdio-agent
agent/step-result waterfall packages/core/agent/src/types.ts:369 agent-loop (waterfall) -
agent/turn-continuation waterfall packages/core/agent/src/types.ts:382 agent-loop (waterfall) hooks-claude, hooks-codex
fs/edit-intent waterfall packages/fs/fs/src/index.ts:123 tool-fs (waterfall) fs-policy
fs/observed emit packages/fs/fs/src/index.ts:138 tool-fs (emit) fs-policy
fs/write-intent waterfall packages/fs/fs/src/index.ts:109 tool-fs (waterfall) fs-policy
llm/stream waterfall packages/llm/llm/src/index.ts:33 llm (waterfall) llm-replay
session/created emit packages/core/session/src/index.ts:36 session (emit) invariants, session-persistence
session/event emit packages/core/session/src/index.ts:44 session (emit) acp, invariants, session-persistence, stdio-agent
session/flush parallel packages/core/session/src/index.ts:54 agent-loop (parallel) session-persistence
subagent/end emit packages/subagent/subagent/src/index.ts:98 subagent (events.dispatch) hooks-claude
subagent/provider-added emit packages/subagent/subagent/src/index.ts:72 subagent (emit) tool-subagent
subagent/provider-removed emit packages/subagent/subagent/src/index.ts:83 - tool-subagent
subagent/start emit packages/subagent/subagent/src/index.ts:91 subagent (events.dispatch) hooks-claude
system-prompt/assemble waterfall packages/core/system-prompt/src/index.ts:38 system-prompt (waterfall) -
system-prompt/change emit packages/core/system-prompt/src/index.ts:44 system-prompt (emit) -
tools/change emit packages/core/tools/src/index.ts:87 tools (emit) -
tools/post-execute waterfall packages/core/tools/src/index.ts:82 tools (waterfall) hooks-claude, hooks-codex
tools/pre-execute waterfall packages/core/tools/src/index.ts:66 tools (waterfall) hooks-claude, hooks-codex

Maintenance mode: hybrid generated: Cordis event declarations and most producer/listener edges are AST-scanned; dynamic dispatch sites are classified in scripts/gen-doc-graphs.ts.