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deepseek-harness/docs/event-producer-consumer.md
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Turtle d613fdb073 fix(agent-loop): third review pass — disposal discard ordering, flush guard, docs 
Address a fresh-eye review of the disposal/injection fixes:
- disposal now snapshots, clears, and marks disposed BEFORE emitting
  agent/inbox/discard (mirroring cancel's snapshot→clear→emit), so a
  re-entrant send/cancel from a discard listener throws 'disposed' or
  finds an empty inbox instead of leaking or double-discarding an id.
  The discard is unconditional (even on unpublished setup-rollback) to
  match send's unconditional enqueue, keeping every id balanced.
- restore the turnRecorded guard on the idle-injection flush: a
  turn/start rejected pre-commit (append reentrancy / internal-dispatch
  veto) records nothing and owes no flush; the previous unconditional
  flush emitted a phantom-turn agent/error. The isTurnOpen/turnRecorded
  branches are reachable (reentrant inject from a session/event
  listener) and now covered by a regression test rather than v8-ignored.
- rewrite the agent/inbox/discard event JSDoc to enumerate all three
  emitters (cancel, terminal turn-stop, disposal) — every enqueued id
  gets exactly one terminal dequeue-or-discard.

Per-file coverage stays 100%.
2026-07-24 13:39:06 +08:00

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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. Receiver and event-name types also cover contained dispatch sites that deliberately bypass ctx.emit, such as subagent lifecycle containment.

Event Mode Declared in Dispatchers Listeners
agent-loop/config-start-failed emit packages/core/agent-loop/src/index.ts:353 agent-loop (events.dispatch) tui
agent/cancel-requested emit packages/core/agent/src/types.ts:359 agent-loop (emit) goal-session
agent/created emit packages/core/agent/src/types.ts:295 agent (events.dispatch) goal-session, tui
agent/disposed emit packages/core/agent/src/types.ts:304 agent (events.dispatch) agent-loop, goal-session, tui
agent/error emit packages/core/agent/src/types.ts:507 agent-loop (emit) goal-session, runtime, tui
agent/inbox/dequeue emit packages/core/agent/src/types.ts:335 agent-loop (emit) agent
agent/inbox/discard emit packages/core/agent/src/types.ts:349 agent-loop (emit) agent
agent/inbox/enqueue emit packages/core/agent/src/types.ts:325 agent-loop (emit) agent, goal-session, tui
agent/post-step serial packages/core/agent/src/types.ts:457 agent-loop (serial) compact-basic, session-checkpoint-policy
agent/pre-step serial packages/core/agent/src/types.ts:388 agent-loop (serial) time-context, user-approval
agent/prompt-submit waterfall packages/core/agent/src/types.ts:404 agent-loop (waterfall) acp, goal-session, hooks-claude, hooks-codex, plan-mode, repeat-tool-guard
agent/request waterfall packages/core/agent/src/types.ts:418 agent-loop (waterfall) agent
agent/request-error waterfall packages/core/agent/src/types.ts:472 agent-loop (waterfall) compact-basic, llm-retry, plan-mode
agent/session-prefix waterfall packages/core/agent/src/types.ts:433 agent-loop (waterfall) tool-skill, workspace-context
agent/session-start emit packages/core/agent/src/types.ts:372 agent-loop (emit) goal, goal-session, hooks-claude, hooks-codex
agent/status emit packages/core/agent/src/types.ts:313 agent-loop (emit) agent, goal-session, runtime, tui
agent/step-result waterfall packages/core/agent/src/types.ts:445 agent-loop (waterfall) -
agent/turn-continuation waterfall packages/core/agent/src/types.ts:483 agent-loop (waterfall) hooks-claude, hooks-codex, plan-mode
agent/turn-stop serial packages/core/agent/src/types.ts:494 agent-loop (serial) subagent-inprocess, tool-goal
approval/request waterfall packages/ui/user-approval/src/index.ts:30 user-approval (waterfall) acp
commands/change emit packages/ui/commands/src/index.ts:103 commands (events.dispatch) acp, tui
fs/edit-intent waterfall packages/fs/fs/src/index.ts:62 tool-fs (waterfall) fs-policy
fs/observed emit packages/fs/fs/src/index.ts:71 tool-fs (emit) fs-policy
fs/write-intent waterfall packages/fs/fs/src/index.ts:54 tool-fs (waterfall) fs-policy
goal/changed emit packages/goal/goal/src/types.ts:167 goal (emit) goal-session
llm/stream waterfall packages/llm/llm/src/index.ts:52 llm (waterfall) agent-loop, llm, llm-replay, session-checkpoint-policy, session-title
session/created emit packages/core/session/src/index.ts:79 session (events.dispatch) compact, goal, hook-protocol, jsonrpc, llm-retry, runtime, session, session-persistence, user-approval
session/disposed emit packages/core/session/src/index.ts:89 session (events.dispatch) agent-loop, runtime, session-persistence, session-title
session/event emit packages/core/session/src/index.ts:101 session (events.dispatch) acp, cli-demo, compact, goal, goal-session, hook-protocol, jsonrpc, runtime, session, session-persistence, session-title, token-meter, tui, user-approval, workspace-context
session/flush parallel packages/core/session/src/index.ts:111 session (events.dispatch) session-persistence
subagent/end emit packages/subagent/subagent/src/index.ts:139 subagent (events.dispatch) hooks-claude, jsonrpc, subagent
subagent/provider-added emit packages/subagent/subagent/src/index.ts:113 subagent (emit) subagent, tool-subagent
subagent/provider-removed emit packages/subagent/subagent/src/index.ts:119 subagent (events.dispatch) subagent, tool-subagent
subagent/start emit packages/subagent/subagent/src/index.ts:130 subagent (events.dispatch) hooks-claude, subagent
system-prompt/assemble waterfall packages/core/system-prompt/src/index.ts:29 system-prompt (waterfall) agent, system-prompt
system-prompt/change emit packages/core/system-prompt/src/index.ts:35 system-prompt (emit) -
tools/change emit packages/core/tools/src/index.ts:143 tools (emit) -
tools/execute waterfall packages/core/tools/src/index.ts:113 tools (waterfall) session-checkpoint-policy, timeout-policy
tools/post-execute waterfall packages/core/tools/src/index.ts:125 tools (waterfall) hooks-claude, hooks-codex, repeat-tool-guard, spill-policy, tool-fs-search, workspace-context
tools/pre-execute waterfall packages/core/tools/src/index.ts:102 tools (waterfall) hooks-claude, hooks-codex, tool-tasks
tools/result emit packages/core/tools/src/index.ts:133 tools (events.dispatch) subagent-inprocess, workspace-context
workflow/agent-end emit packages/workflow/workflow/src/index.ts:81 workflow (events.dispatch) workflow
workflow/agent-start emit packages/workflow/workflow/src/index.ts:70 workflow (events.dispatch) workflow
workflow/end emit packages/workflow/workflow/src/index.ts:91 workflow (events.dispatch) workflow
workflow/log emit packages/workflow/workflow/src/index.ts:60 workflow (events.dispatch) -
workflow/phase emit packages/workflow/workflow/src/index.ts:53 workflow (events.dispatch) -
workflow/start emit packages/workflow/workflow/src/index.ts:45 workflow (events.dispatch) workflow

Non-harness or undeclared event strings seen in package source

Event string Dispatchers Listeners
internal/dispatch - compact, fs, goal, goal-session, hook-protocol, llm-retry, permission, plan-mode, pty-local, runtime, sandbox-policy, scope, session, subagent, time-context, tool-todo, tools, user-approval, workflow
internal/plugin - webserver
internal/status - agent
slots/changed runtime (emit) -

Maintenance mode: generated: Cordis event declarations and producer/listener edges are resolved from the repository TypeScript Program.

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