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deepseek-harness/docs/event-producer-consumer.md
Yichen Jiang 680ae53bb6 Merge remote-tracking branch 'origin/master' into codex/skill-system
# Conflicts:
#	docs/architecture.md
#	docs/config-catalog.md
#	docs/module-graph.md
#	docs/rfc/INDEX.md
#	examples/acp-agent/tests/snapshots/text-turn/session.jsonl
#	packages/core/agent-core/src/index.ts
#	packages/core/tools/tests/gen-tool-catalog.spec.ts
#	packages/support/acp-snapshot/src/suite.ts
#	packages/ui/acp-agent/src/index.ts
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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:265 agent (emit) stdio-agent
agent/disposed emit packages/core/agent/src/types.ts:272 agent (emit) stdio-agent
agent/error emit packages/core/agent/src/types.ts:476 agent-loop (emit) -
agent/pre-step serial packages/core/agent/src/types.ts:357 agent-loop (serial) compact-basic
agent/prompt-submit waterfall packages/core/agent/src/types.ts:370 agent-loop (waterfall) hooks-claude, hooks-codex, repeat-tool-guard
agent/queued emit packages/core/agent/src/types.ts:290 agent-loop (emit) -
agent/request waterfall packages/core/agent/src/types.ts:394 agent-loop (waterfall) -
agent/session-prefix waterfall packages/core/agent/src/types.ts:441 agent-loop (waterfall) tool-skill
agent/session-start emit packages/core/agent/src/types.ts:305 agent-loop (emit) hooks-claude, hooks-codex
agent/status emit packages/core/agent/src/types.ts:281 agent-loop (emit) acp, invariants, repeat-tool-guard, stdio-agent
agent/step-result waterfall packages/core/agent/src/types.ts:451 agent-loop (waterfall) -
agent/turn-continuation waterfall packages/core/agent/src/types.ts:464 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:39 llm (waterfall) invariants, llm-replay
session/created emit packages/core/session/src/index.ts:39 session (emit) invariants, session-persistence
session/event emit packages/core/session/src/index.ts:47 session (emit) acp, invariants, session-persistence, stdio-agent
session/flush parallel packages/core/session/src/index.ts:57 agent-loop (parallel) session-persistence
skill/provider-added emit packages/skill/skill/src/index.ts:130 skill (emit) -
skill/provider-removed emit packages/skill/skill/src/index.ts:136 skill (emit) -
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:132 tools (emit) -
tools/execute waterfall packages/core/tools/src/index.ts:111 tools (waterfall) timeout-policy
tools/post-execute waterfall packages/core/tools/src/index.ts:127 tools (waterfall) hooks-claude, hooks-codex, repeat-tool-guard
tools/pre-execute waterfall packages/core/tools/src/index.ts:91 tools (waterfall) hooks-claude, hooks-codex
workflow/agent-end emit packages/workflow/workflow/src/index.ts:96 workflow (events.dispatch) -
workflow/agent-start emit packages/workflow/workflow/src/index.ts:85 workflow (events.dispatch) -
workflow/end emit packages/workflow/workflow/src/index.ts:106 workflow (events.dispatch) -
workflow/log emit packages/workflow/workflow/src/index.ts:77 workflow (events.dispatch) -
workflow/phase emit packages/workflow/workflow/src/index.ts:70 workflow (events.dispatch) -
workflow/start emit packages/workflow/workflow/src/index.ts:62 workflow (events.dispatch) -

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.