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deepseek-harness/docs/event-producer-consumer.md
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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:313 agent (emit) stdio-agent
agent/disposed emit packages/core/agent/src/types.ts:320 agent (emit) stdio-agent
agent/error emit packages/core/agent/src/types.ts:512 agent-loop (emit) -
agent/pre-step serial packages/core/agent/src/types.ts:398 agent-loop (serial) compact-basic
agent/prompt-submit waterfall packages/core/agent/src/types.ts:411 agent-loop (waterfall) hooks-claude, hooks-codex
agent/queued emit packages/core/agent/src/types.ts:338 agent-loop (emit) -
agent/request waterfall packages/core/agent/src/types.ts:435 agent-loop (waterfall) -
agent/request-advice waterfall packages/core/agent/src/types.ts:477 agent-loop (waterfall) -
agent/session-start emit packages/core/agent/src/types.ts:353 agent-loop (emit) hooks-claude, hooks-codex
agent/status emit packages/core/agent/src/types.ts:329 agent-loop (emit) acp, invariants, stdio-agent
agent/step-result waterfall packages/core/agent/src/types.ts:487 agent-loop (waterfall) -
agent/turn-continuation waterfall packages/core/agent/src/types.ts:500 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
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:97 tools (emit) -
tools/post-execute waterfall packages/core/tools/src/index.ts:92 tools (waterfall) hooks-claude, hooks-codex
tools/pre-execute waterfall packages/core/tools/src/index.ts:76 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.