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# Cordis Events Catalog

Every cordis event a plugin can listen to: exact signature, dispatch mode, and the declaration's JSDoc. This is one axis of the **wiring** reference a plugin author works against — the callable `ctx.<key>` surface is the sibling [services catalog](services.md), and [core-data-structures/](../core-data-structures/core.md) catalogs the *data structures* these signatures move around.

This file is GENERATED from source (`scripts/gen-cordis-catalog.ts`) and verified fresh by `pnpm run verify-cordis-catalog` (part of `doc-sync`) — do not edit it by hand. Signature blocks use a `ts cordis-catalog` fence (skipped by doc-typecheck, since a bare signature is not standalone-compilable). Type names in a signature link to the page that documents them.

The **harness tier** below (the `@deepseek-ai/dsh-*` packages) is the vocabulary this repo owns, grouped by scope. The **inherited tier** at the end is the cordis-core + loader/hmr/timer event surface a plugin also sees — pinned vendor source, summarized tersely.

Dispatch modes: **emit** (fire-and-forget), **waterfall** (each listener gets `next()` and may transform or veto — see [waterfall semantics](../cordis-primer.md#cordis-waterfall-semantics)), **parallel** (awaited fan-out; all listeners run), **serial** (awaited in registration order until one returns a bail value — anything other than `null`, `false`, or `undefined`).

## `agent/*`

### `agent/created` — emit

An agent was registered in the AgentRegistry and is ready to receive messages.

```ts cordis-catalog
'agent/created'(agent: Agent): void
```

Types: [Agent](../core-data-structures/core.md)

Source: [`packages/core/agent/src/types.ts:265`](../../packages/core/agent/src/types.ts)

### `agent/disposed` — emit

An agent was disposed and removed from the registry; its fiber and any in-flight turn have been torn down.

```ts cordis-catalog
'agent/disposed'(agent: Agent): void
```

Types: [Agent](../core-data-structures/core.md)

Source: [`packages/core/agent/src/types.ts:272`](../../packages/core/agent/src/types.ts)

### `agent/error` — emit

A step or turn errored. The loop reports a failure here (plus the logger) even when the error has no in-turn position for a session `error` event.

```ts cordis-catalog
'agent/error'(agent: Agent, turn: number, step: number, error: Error): void
```

Types: [Agent](../core-data-structures/core.md)

Source: [`packages/core/agent/src/types.ts:476`](../../packages/core/agent/src/types.ts)

### `agent/pre-step` — serial

Awaited pre-step surface-mutation checkpoint, fired once per step AFTER `turn/start` (and after the prior step closed) but BEFORE this step's `step/start` — so anything a listener appends lands OUTSIDE the step, between `turn/start`/`step/end` and the upcoming `step/start`. `step` is the number of the step about to start. The loop awaits `ctx.serial('agent/pre-step', …)` after assembling the system prompt, then opens the step and derives the request history ONCE from whatever the surface now holds. This is where compaction belongs: it mutates the session surface in place (shadowing an older range with a summary node) with its log-only `compact/*` records cleanly outside any step, and the single subsequent derive reflects the mutation — so there is no double-derive and no listener can see (or be expected to act on) an assembled `messages` array that does not exist yet.

Serial (awaited in registration order), not a waterfall: a listener mutates the surface as a side effect; there is nothing to transform, but the loop must wait for the mutation to complete before opening the step and deriving. Cordis `serial` bails early if a listener returns a bail value; this event is typed and documented as `void`, so listeners must not return a semantic veto value. `fullSystemPrompt` is the assembled prompt a listener needs to measure pressure (the system prompt counts toward the budget), and `sessionPrefix` is the instance's composed agent/session-prefix product for the same reason — every request carries it in front of the derived history, and it is composed BEFORE this seam fires precisely so a pressure gate counts the prefix the request will actually send (never a stale logged one). `signal` cancels any in-flight work a listener starts (e.g. a summarization model call).

```ts cordis-catalog
'agent/pre-step'(agent: Agent, turn: number, step: number, fullSystemPrompt: string, sessionPrefix: readonly Message[], signal: AbortSignal): Promise<void> | void
```

Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md)

Source: [`packages/core/agent/src/types.ts:357`](../../packages/core/agent/src/types.ts)

### `agent/prompt-submit` — waterfall

Waterfall: decide what happens to ONE drained queued message before it becomes a `user/message` — allow (optionally rewriting the prompt bytes or attaching `additionalContext`) or block it. Fires inside the already-open turn, per drained message. Maps onto Claude Code's `UserPromptSubmit` hook. Call `next()` to delegate to the default (allow unchanged), or return a PromptDecision without calling `next()` to short-circuit.

```ts cordis-catalog
'agent/prompt-submit'(agent: Agent, content: ContentBlock[], source: MessageSource, next: () => Promise<PromptDecision>): Promise<PromptDecision>
```

Types: [Agent](../core-data-structures/core.md) · [ContentBlock](../core-data-structures/core.md) · [MessageSource](../core-data-structures/core.md)

Source: [`packages/core/agent/src/types.ts:370`](../../packages/core/agent/src/types.ts)

### `agent/queued` — emit

A message entered the agent's inbox (queued or steering). `source` is the resolved source (defaults applied), not the caller's raw options.

```ts cordis-catalog
'agent/queued'(agent: Agent, content: ContentBlock[], info: { source: MessageSource; steering: boolean }): void
```

Types: [Agent](../core-data-structures/core.md) · [ContentBlock](../core-data-structures/core.md) · [MessageSource](../core-data-structures/core.md)

Source: [`packages/core/agent/src/types.ts:290`](../../packages/core/agent/src/types.ts)

### `agent/request` — waterfall

Waterfall: shape the step's call configuration — model switching, sampling overrides — by returning a replacement LlmCallConfig (the frozen seed is the config the loop would otherwise use). Config is ALL a listener shapes here: every request is a pure function of the session log (the reconstructability RFC), so model-visible content flows through the log channels — `inject()`, steering, prompt-submit `additionalContext`, prompt sections via `system-prompt/assemble`, or the header-logged session prefix via agent/session-prefix — never through request mutation, and the loop records whatever config the request actually uses as a `request/header*` event before dispatch. The step's messages are already snapshotted when this fires (the `step/start` boundary): an `inject()` from a listener here lands in the log but joins the NEXT request. For surface mutation that must precede the snapshot (compaction), use agent/pre-step. Call `next()` to delegate, or return an LlmCallConfig without it to short-circuit.

```ts cordis-catalog
'agent/request'(agent: Agent, turn: number, step: number, config: LlmCallConfig, next: () => Promise<LlmCallConfig>): Promise<LlmCallConfig>
```

Types: [Agent](../core-data-structures/core.md) · [LlmCallConfig](../core-data-structures/core.md)

Source: [`packages/core/agent/src/types.ts:394`](../../packages/core/agent/src/types.ts)

### `agent/session-prefix` — waterfall

Waterfall: compose the SESSION PREFIX — request-only messages placed in front of the ENTIRE derived history (directly after the provider's system slot) on every request this loop instance sends. Fired ONCE per loop instance, lazily before its first step's agent/pre-step seam — BEFORE the pre-step so a token-pressure gate (compaction) counts the prefix this instance will actually send, never a previous instance's logged one. The composed result is deep-frozen, recorded as `EpochHeader.messagePrefix` on the instance's anchoring `'initial'`/`'resume'` header snapshot, and reused verbatim for every subsequent request — never recomputed mid-session, so the provider prefix cache holds by construction (a process restart or `ctx.agents.resume()` is a new instance: it recomposes, and any drift lands attributably on the `'resume'` snapshot). Composition runs outside the step, before the boundary snapshot: a composing listener's session append joins the CURRENT request's derived history. A composition interrupted by a cancel/dispose landing inside the waterfall is discarded — never cached, logged, or sent — and the next turn recomposes under a live signal, so an abort-aware listener's degraded fallback cannot leak into later requests.

This is the home for session-stable openers the model must always see but that must NOT become durable history — a skills catalog, an AGENTS.md digest, a workspace baseline: `Session.deriveMessages()` never returns the prefix, and the header events are its only durable record, so the request stays reconstructable from the log. Content that CHANGES mid-session belongs in the append-only history channels instead — `agent.inject()`, a `tools/post-execute` decision's `additionalContext`, prompt-submit `additionalContext` — each a durable `context/message` paid once and prefix-cached thereafter.

The seed is a frozen empty list; a contributing listener returns a NEW array — never an in-place push. The canonical contribution is a PREPEND, `[mine, ...await next()]`: the waterfall unwinds innermost-first (the LAST-registered listener's `next()` resolves first), so prepending yields registration order on the wire, and every plugin using it composes deterministically. The append form `[...await next(), mine]` is legal but places a contribution AFTER every later-registered plugin's — reverse registration order when all contributors append. Call `next()` to delegate, or return a list without it to short-circuit.

```ts cordis-catalog
'agent/session-prefix'(agent: Agent, prefix: Message[], signal: AbortSignal, next: () => Promise<Message[]>): Promise<Message[]>
```

Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md)

Source: [`packages/core/agent/src/types.ts:441`](../../packages/core/agent/src/types.ts)

### `agent/session-start` — emit

The agent's session lifecycle began, fired once before its first turn. `source` says why (SessionStartSource: fresh startup, a resumed persisted session, …). A pure NOTIFICATION (emit, not waterfall): it carries no veto — a session-start listener that wants to seed context does so via `agent.inject()` (a `context/message` the first request sees), not by returning a decision. Cannot block the session from starting; that gap is deliberate (a bridge logs/injects, it does not gate startup).

```ts cordis-catalog
'agent/session-start'(agent: Agent, source: SessionStartSource): void
```

Types: [Agent](../core-data-structures/core.md)

Source: [`packages/core/agent/src/types.ts:305`](../../packages/core/agent/src/types.ts)

### `agent/status` — emit

Agent status changed (`idle` ⇄ `running`, or → `disposed`). Drive lifecycle off this transition, never off a status you just requested — `send()` does not flip status to `running` before it returns.

```ts cordis-catalog
'agent/status'(agent: Agent, status: AgentStatus): void
```

Types: [Agent](../core-data-structures/core.md)

Source: [`packages/core/agent/src/types.ts:281`](../../packages/core/agent/src/types.ts)

### `agent/step-result` — waterfall

Waterfall: post-process the assembled assistant Message before tool dispatch (validation, content rewriting, …).

```ts cordis-catalog
'agent/step-result'(agent: Agent, turn: number, step: number, message: Message, next: () => Promise<Message>): Promise<Message>
```

Types: [Agent](../core-data-structures/core.md) · [Message](../core-data-structures/core.md)

Source: [`packages/core/agent/src/types.ts:451`](../../packages/core/agent/src/types.ts)

### `agent/turn-continuation` — waterfall

Waterfall: override the turn-continuation decision via a typed ContinuationDecision. The loop's `defaultDecision` is `continue` when the step had tool calls or steering was injected, else `stop`. Listeners force-continue (`/goal`, `/loop` — optionally attaching a `reason` recorded as next-step steering) or force-stop (budget guards). Call `next()` to delegate to the default, or return a decision to override.

```ts cordis-catalog
'agent/turn-continuation'(agent: Agent, turn: number, defaultDecision: ContinuationDecision, next: () => Promise<ContinuationDecision>): Promise<ContinuationDecision>
```

Types: [Agent](../core-data-structures/core.md)

Source: [`packages/core/agent/src/types.ts:464`](../../packages/core/agent/src/types.ts)

## `approval/*`

### `approval/request` — waterfall

Waterfall asking the composed answerers to decide one approval request. Dispatched only from ApprovalService.request — callers go through the service (which owns cancellation and the audit events), never through `ctx.waterfall` directly. A listener that can answer for this request's agent returns an outcome WITHOUT calling `next()` (the decision slot is single-occupancy, first listener to answer wins); a listener that does not recognize the agent MUST call `next()` so another answerer — or the fail-closed default `'unavailable'` — gets the question. Throwing is contained by the service and yields `'unavailable'`.

```ts cordis-catalog
'approval/request'(this: ApprovalService, req: ApprovalRequest, next: () => Promise<ApprovalOutcome>): Promise<ApprovalOutcome>
```

Types: [ApprovalOutcome](../core-data-structures/approval.md) · [ApprovalRequest](../core-data-structures/approval.md)

Source: [`packages/ui/user-approval/src/index.ts:64`](../../packages/ui/user-approval/src/index.ts)

## `fs/*`

### `fs/edit-intent` — waterfall

Single-slot decision: produce the optional version guard for the next FileSystem.editText. The tool dispatches this as an unbound waterfall and supplies a default thunk returning `undefined` (unconditional edit of the current content — the bare provider; no `stat`). The `@deepseek-ai/dsh-fs-policy` policy listener returns `{ version: vObserved }`, or throws `FS_NOT_OBSERVED` if the actor is unset or has not observed the target. Does NOT call `next()`: one decision, first-wins (see Events.'fs/write-intent').

```ts cordis-catalog
'fs/edit-intent'(target: FsTarget, actor: object | undefined, next: () => { version: FsVersion } | undefined | Promise<{ version: FsVersion } | undefined>): Promise<{ version: FsVersion } | undefined>
```

Types: [FsTarget](../core-data-structures/filesystem.md) · [FsVersion](../core-data-structures/filesystem.md)

Source: [`packages/fs/fs/src/index.ts:123`](../../packages/fs/fs/src/index.ts)

### `fs/observed` — emit

Record that an actor observed a target at a version, after a successful read/write/edit. Fire-and-forget (plain `emit`). A listener MUST be a synchronous, side-effect-only recorder (`@deepseek-ai/dsh-fs-policy`'s is a `WeakMap.set`): the tool does not guard the emit, so a listener that throws surfaces as the tool's `isError` result, and cordis `emit` does not await listener promises — async or fallible audit/telemetry does not belong here. No listener ⇒ nothing recorded. `actor` is the opaque tool-execution context.

```ts cordis-catalog
'fs/observed'(target: FsTarget, version: FsVersion, actor: object | undefined): void
```

Types: [FsTarget](../core-data-structures/filesystem.md) · [FsVersion](../core-data-structures/filesystem.md)

Source: [`packages/fs/fs/src/index.ts:138`](../../packages/fs/fs/src/index.ts)

### `fs/write-intent` — waterfall

Single-slot decision: produce the write intent for the next FileSystem.writeText. The tool dispatches this as an unbound waterfall (no `this`) and supplies a default thunk returning `undefined` (unconditional create-or-overwrite — the bare provider). The `@deepseek-ai/dsh-fs-policy` policy listener returns `createIfAbsent` (unobserved actor) or `{ kind: 'replaceIfVersion', version: vObserved }` (observed) and does NOT call `next()` — one decision, not a composable chain. The slot is first-wins: the first non-`next()` decider (registration order, or `prepend`) occupies it; a second decider is a misconfiguration, not layering. `actor` is the opaque tool-execution context, never read here.

```ts cordis-catalog
'fs/write-intent'(target: FsTarget, actor: object | undefined, next: () => FsWriteIntent | undefined | Promise<FsWriteIntent | undefined>): Promise<FsWriteIntent | undefined>
```

Types: [FsTarget](../core-data-structures/filesystem.md) · [FsWriteIntent](../core-data-structures/filesystem.md)

Source: [`packages/fs/fs/src/index.ts:109`](../../packages/fs/fs/src/index.ts)

## `llm/*`

### `llm/stream` — waterfall

Waterfall around every streaming model call (retry, replay, routing). Bound to the LlmService; call `next()` to reach the resolved adapter's stream, or yield your own chunks to short-circuit.

```ts cordis-catalog
'llm/stream'(this: LlmService, options: GenerateOptions, next: () => AsyncIterable<StreamChunk>): AsyncIterable<StreamChunk>
```

Types: [GenerateOptions](../core-data-structures/core.md) · [StreamChunk](../core-data-structures/llm-streaming.md)

Source: [`packages/llm/llm/src/index.ts:39`](../../packages/llm/llm/src/index.ts)

## `session/*`

### `session/created` — emit

A session was created in the store.

```ts cordis-catalog
'session/created'(session: Session): void
```

Source: [`packages/core/session/src/index.ts:39`](../../packages/core/session/src/index.ts)

### `session/event` — emit

An event was appended to a session log (sync, fire-and-forget). This is the per-append feed a UI or invariant plugin tails.

```ts cordis-catalog
'session/event'(session: Session, event: SessionEvent): void
```

Types: [SessionEvent](../core-data-structures/core.md)

Source: [`packages/core/session/src/index.ts:47`](../../packages/core/session/src/index.ts)

### `session/flush` — parallel

Awaited durability checkpoint. The agent loop awaits `ctx.parallel('session/flush', session)` at every turn end; persistence plugins (JSONL, SQLite) drain their write-behind buffers here and on fiber dispose. Awaited (parallel), not a waterfall: every listener runs and the loop waits for all of them, but none can veto.

```ts cordis-catalog
'session/flush'(session: Session): Promise<void> | void
```

Source: [`packages/core/session/src/index.ts:57`](../../packages/core/session/src/index.ts)

## `skill/*`

### `skill/provider-added` — emit

A skill provider became resolvable in the `ctx.skills` registry. Consumers can observe this instead of depending on Cordis plugin load order, which is concurrent for sibling plugins.

```ts cordis-catalog
'skill/provider-added'(provider: SkillProvider): void
```

Source: [`packages/skill/skill/src/index.ts:130`](../../packages/skill/skill/src/index.ts)

### `skill/provider-removed` — emit

A skill provider left the registry because its plugin fiber was disposed.

```ts cordis-catalog
'skill/provider-removed'(name: string): void
```

Source: [`packages/skill/skill/src/index.ts:136`](../../packages/skill/skill/src/index.ts)

## `subagent/*`

### `subagent/end` — emit

A subagent run settled — emitted when SubagentRun.result resolves (any stop reason). Paired with Events['subagent/start'].

```ts cordis-catalog
'subagent/end'(info: SubagentRunEndInfo): void
```

Source: [`packages/subagent/subagent/src/index.ts:98`](../../packages/subagent/subagent/src/index.ts)

### `subagent/provider-added` — emit

A provider became resolvable in the SubagentService registry. Consumers that derive state from a named provider (e.g. the model-facing tool wording in `dsh-tool-subagent`) react HERE instead of assuming load order — the cordis Loader starts sibling plugins concurrently, so "listed earlier in cordis.yml" does not mean "registered earlier".

```ts cordis-catalog
'subagent/provider-added'(provider: SubagentProvider): void
```

Source: [`packages/subagent/subagent/src/index.ts:72`](../../packages/subagent/subagent/src/index.ts)

### `subagent/provider-removed` — emit

A provider left the registry (its plugin's fiber was disposed — an unload or an HMR reload). Consumers holding provider-derived state drop it here; a reload re-fires `subagent/provider-added` with the fresh provider. Delivered with per-listener containment: a throwing subscriber is logged, never starves later subscribers, and never disrupts the provider's teardown.

```ts cordis-catalog
'subagent/provider-removed'(name: string): void
```

Source: [`packages/subagent/subagent/src/index.ts:83`](../../packages/subagent/subagent/src/index.ts)

### `subagent/start` — emit

A subagent run started — emitted after the provider is resolved and its capabilities validated, as the child run begins. Paired with Events['subagent/end'].

```ts cordis-catalog
'subagent/start'(info: SubagentRunInfo): void
```

Source: [`packages/subagent/subagent/src/index.ts:91`](../../packages/subagent/subagent/src/index.ts)

## `system-prompt/*`

### `system-prompt/assemble` — waterfall

Waterfall around prompt assembly — mutate or extend the PromptAssembly (sections + tools + variables) before it is rendered. Bound to the SystemPrompt service; call `next()` to delegate.

```ts cordis-catalog
'system-prompt/assemble'(this: SystemPrompt, assembly: PromptAssembly, context: AssembleContext, next: () => Promise<PromptAssembly>): Promise<PromptAssembly>
```

Source: [`packages/core/system-prompt/src/index.ts:38`](../../packages/core/system-prompt/src/index.ts)

### `system-prompt/change` — emit

A section, tool provider, or variable provider was registered or unregistered (the assembly inputs changed).

```ts cordis-catalog
'system-prompt/change'(): void
```

Source: [`packages/core/system-prompt/src/index.ts:44`](../../packages/core/system-prompt/src/index.ts)

## `tools/*`

### `tools/change` — emit

A tool was registered or unregistered (the available tool set changed).

```ts cordis-catalog
'tools/change'(): void
```

Source: [`packages/core/tools/src/index.ts:135`](../../packages/core/tools/src/index.ts)

### `tools/execute` — waterfall

Around-dispatch waterfall wrapping the registry's core tool dispatch, between the `tools/pre-execute` gate and the `tools/post-execute` seam. A listener receives `(exec, next)`: call `next()` to delegate to dispatch (returning its ToolExecutionResult, optionally wrapped), or return a replacement result without calling `next()` to short-circuit dispatch. The base `next()` IS the dispatch-with-normalization thunk — a thrown tool (or unknown tool) is already normalized to an `isError` result by the time a listener's `await next()` returns, so a wrapper never sees a raw throw from the tool body. This is the seam a timeout/retry/metrics plugin wraps: it can mutate `exec` (e.g. replace `exec.signal` with a per-call deadline) BEFORE `next()` and inspect the result AFTER. (Cordis `next()` ignores any passed arguments and re-invokes downstream with the shared payload, so a wrapper mutates `exec` in place rather than passing a new object to `next()`.) Multiple listeners compose by registration order — an outer one wraps the inner ones plus dispatch.

```ts cordis-catalog
'tools/execute'(this: ToolRegistry, exec: ToolExecution, next: () => Promise<ToolExecutionResult>): Promise<ToolExecutionResult>
```

Types: [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md)

Source: [`packages/core/tools/src/index.ts:114`](../../packages/core/tools/src/index.ts)

### `tools/post-execute` — waterfall

Waterfall AFTER a tool runs — where hook plugins inspect the result and accept it (optionally REPLACING the model-facing content, and/or attaching `additionalContext` for the next request) or block it with corrective `feedback` (Claude Code's `PostToolUse`). Listeners receive `(exec, result, next)`: call `next()` to delegate to the default (accept unchanged), or return a PostToolDecision to override. Core tool dispatch runs earlier as the base `next()` of the `tools/execute` waterfall, all inside `execute`'s outer try/catch (and the tool body keeps its own inner try/catch, so a thrown tool still reaches `post-execute` as an `isError` result).

```ts cordis-catalog
'tools/post-execute'(this: ToolRegistry, exec: ToolExecution, result: ToolExecutionResult, next: () => Promise<PostToolDecision>): Promise<PostToolDecision>
```

Types: [ToolExecution](../core-data-structures/tools.md) · [ToolExecutionResult](../core-data-structures/tools.md)

Source: [`packages/core/tools/src/index.ts:130`](../../packages/core/tools/src/index.ts)

### `tools/pre-execute` — waterfall

Waterfall BEFORE a tool runs — the gate where sandbox, permission, and hook plugins allow or deny a call (Claude Code's `PreToolUse`). Listeners receive `(exec, next)`: call `next()` to delegate to the default (allow), or return a PreToolDecision without calling `next()` to short-circuit. A `deny` skips dispatch and yields an `isError` result; the tool body never runs. Input rewrite is deliberately NOT offered here (see PreToolDecision); `ask` is serviced by the `ctx.approval` seam when one is mounted, and degrades to deny otherwise.

```ts cordis-catalog
'tools/pre-execute'(this: ToolRegistry, exec: ToolExecution, next: () => Promise<PreToolDecision>): Promise<PreToolDecision>
```

Types: [ToolExecution](../core-data-structures/tools.md)

Source: [`packages/core/tools/src/index.ts:94`](../../packages/core/tools/src/index.ts)

## `workflow/*`

### `workflow/agent-end` — emit

One `agent()` call settled (clean result, child failure, or run cancellation). Paired with Events['workflow/agent-start'] by `agent.seq`, exactly once per started call on every stop path — on an engine termination path (a worker killed past its grace) the end is engine-synthesized with outcome `'cancelled'`.

```ts cordis-catalog
'workflow/agent-end'(info: WorkflowRunInfo, agent: WorkflowAgentEndInfo): void
```

Source: [`packages/workflow/workflow/src/index.ts:96`](../../packages/workflow/workflow/src/index.ts)

### `workflow/agent-start` — emit

One `agent()` call started a child run. Paired with Events['workflow/agent-end'] by `agent.seq`.

```ts cordis-catalog
'workflow/agent-start'(info: WorkflowRunInfo, agent: WorkflowAgentInfo): void
```

Source: [`packages/workflow/workflow/src/index.ts:85`](../../packages/workflow/workflow/src/index.ts)

### `workflow/end` — emit

A workflow run settled (any stop reason). Fired when WorkflowRun.result resolves. Paired with Events['workflow/start'].

```ts cordis-catalog
'workflow/end'(info: WorkflowRunInfo, result: WorkflowResultInfo): void
```

Source: [`packages/workflow/workflow/src/index.ts:106`](../../packages/workflow/workflow/src/index.ts)

### `workflow/log` — emit

The script emitted a narration line (a `log(message)` call).

```ts cordis-catalog
'workflow/log'(info: WorkflowRunInfo, message: string): void
```

Source: [`packages/workflow/workflow/src/index.ts:77`](../../packages/workflow/workflow/src/index.ts)

### `workflow/phase` — emit

The script entered a phase (a `phase(title)` call) — progress grouping for observers; no execution semantics.

```ts cordis-catalog
'workflow/phase'(info: WorkflowRunInfo, title: string): void
```

Source: [`packages/workflow/workflow/src/index.ts:70`](../../packages/workflow/workflow/src/index.ts)

### `workflow/start` — emit

A workflow run started — the script's meta block validated, the body about to execute. Paired with Events['workflow/end'].

```ts cordis-catalog
'workflow/start'(info: WorkflowRunInfo): void
```

Source: [`packages/workflow/workflow/src/index.ts:62`](../../packages/workflow/workflow/src/index.ts)

## Inherited events (cordis core + loader/hmr/timer)

The framework events every plugin also sees, beyond the harness vocabulary above. This is pinned vendor source ([vendoring policy](../../vendor/README.md)); it is summarized here so the page is a complete picture of the event bus, without elevating framework internals to the harness tier's prominence.

- `internal/plugin` — A plugin fiber was created. ([`vendor/cordis/src/events.ts:197`](../../vendor/cordis/src/events.ts))
- `internal/status` — A fiber changed lifecycle state. ([`vendor/cordis/src/events.ts:198`](../../vendor/cordis/src/events.ts))
- `internal/service` — Interception hook for a service binding (no core producer). ([`vendor/cordis/src/events.ts:199`](../../vendor/cordis/src/events.ts))
- `internal/update` — Waterfall: a fiber config update is being applied. ([`vendor/cordis/src/events.ts:200`](../../vendor/cordis/src/events.ts))
- `internal/get` — Waterfall: a service is being read from the store. ([`vendor/cordis/src/events.ts:201`](../../vendor/cordis/src/events.ts))
- `internal/set` — Waterfall: a service is being written to the store. ([`vendor/cordis/src/events.ts:202`](../../vendor/cordis/src/events.ts))
- `internal/listener` — A listener was registered. ([`vendor/cordis/src/events.ts:203`](../../vendor/cordis/src/events.ts))
- `internal/dispatch` — An event is being dispatched to listeners. ([`vendor/cordis/src/events.ts:204`](../../vendor/cordis/src/events.ts))
- `hmr/change` — A watched source file changed on disk. ([`vendor/hmr/src/index.ts:20`](../../vendor/hmr/src/index.ts))
- `hmr/reload` — Plugins are being reloaded after a change. ([`vendor/hmr/src/index.ts:21`](../../vendor/hmr/src/index.ts))
- `exit` — The process is exiting on a signal. ([`vendor/loader/src/index.ts:23`](../../vendor/loader/src/index.ts))
- `loader/config-update` — The loader config tree changed. ([`vendor/loader/src/index.ts:24`](../../vendor/loader/src/index.ts))
- `loader/entry-init` — A config entry is being initialized. ([`vendor/loader/src/index.ts:25`](../../vendor/loader/src/index.ts))
- `loader/partial-dispose` — An entry is being partially disposed on reload. ([`vendor/loader/src/index.ts:26`](../../vendor/loader/src/index.ts))
- `loader/patch-context` — A context is being patched during a reload. ([`vendor/loader/src/index.ts:27`](../../vendor/loader/src/index.ts))
