diff --git a/packages/cordis/tool-cordis/src/api-catalog.ts b/packages/cordis/tool-cordis/src/api-catalog.ts
index 9102e928db..5d16b5d496 100644
--- a/packages/cordis/tool-cordis/src/api-catalog.ts
+++ b/packages/cordis/tool-cordis/src/api-catalog.ts
@@ -259,13 +259,13 @@ export const EVENT_API: readonly EventApiEntry[] = [
     name: 'agent/created',
     mode: 'emit',
     signature: '\'agent/created\'(this: Scoped<Agent>, agent: Agent): void',
-    summary: 'An agent\'s fully composed scoped world was published in the AgentRegistry.',
+    summary: 'A fully configured agent and live session were published.',
   },
   {
     name: 'agent/disposed',
     mode: 'emit',
     signature: '\'agent/disposed\'(this: Scoped<Agent>, agent: Agent): void',
-    summary: 'An agent was removed from the registry.',
+    summary: 'An agent left the registry; AgentLoop emits this after driver quiescence but before session detachment and scoped-registration unwind.',
   },
   {
     name: 'agent/error',
@@ -277,37 +277,37 @@ export const EVENT_API: readonly EventApiEntry[] = [
     name: 'agent/pre-step',
     mode: 'serial',
     signature: '\'agent/pre-step\'(this: Scoped<Agent>, agent: Agent, turn: number, step: number, fullSystemPrompt: string, sessionPrefix: readonly Message[], signal: AbortSignal): Promise<void> | void',
-    summary: '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`.',
+    summary: 'Awaited serial checkpoint for session-surface mutation after prompt assembly and before `step/start`; appends land outside the pending step.',
   },
   {
     name: 'agent/prompt-submit',
     mode: 'waterfall',
     signature: '\'agent/prompt-submit\'(this: Scoped<Agent>, agent: Agent, content: ContentBlock[], source: MessageSource, next: () => Promise<PromptDecision>): Promise<PromptDecision>',
-    summary: '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.',
+    summary: 'Allow, rewrite, or block one drained prompt before it becomes a user message.',
   },
   {
     name: 'agent/queued',
     mode: 'emit',
     signature: '\'agent/queued\'(this: Scoped<Agent>, agent: Agent, content: ContentBlock[], info: { source: MessageSource; steering: boolean }): void',
-    summary: 'A message entered the agent\'s inbox (queued or steering).',
+    summary: 'Detached, frozen content entered the agent\'s inbox.',
   },
   {
     name: 'agent/request',
     mode: 'waterfall',
     signature: '\'agent/request\'(this: Scoped<Agent>, agent: Agent, turn: number, step: number, config: LlmCallConfig, next: () => Promise<LlmCallConfig>): Promise<LlmCallConfig>',
-    summary: '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).',
+    summary: 'Replace the frozen call configuration.',
   },
   {
     name: 'agent/session-prefix',
     mode: 'waterfall',
     signature: '\'agent/session-prefix\'(this: Scoped<Agent>, agent: Agent, prefix: Message[], signal: AbortSignal, next: () => Promise<Message[]>): Promise<Message[]>',
-    summary: '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.',
+    summary: 'Compose request-only messages placed before derived history.',
   },
   {
     name: 'agent/session-start',
     mode: 'emit',
     signature: '\'agent/session-start\'(this: Scoped<Agent>, agent: Agent, source: SessionStartSource): void',
-    summary: 'The agent\'s session lifecycle began, fired once before its first turn.',
+    summary: 'The session lifecycle began, once before the first turn.',
   },
   {
     name: 'agent/status',
@@ -325,13 +325,13 @@ export const EVENT_API: readonly EventApiEntry[] = [
     name: 'agent/turn-continuation',
     mode: 'waterfall',
     signature: '\'agent/turn-continuation\'(this: Scoped<Agent>, agent: Agent, turn: number, defaultDecision: ContinuationDecision, next: () => Promise<ContinuationDecision>): Promise<ContinuationDecision>',
-    summary: 'Waterfall: override the turn-continuation decision via a typed ContinuationDecision.',
+    summary: 'Override whether the turn continues.',
   },
   {
     name: 'agent/turn-stop',
     mode: 'serial',
     signature: '\'agent/turn-stop\'(this: Scoped<Agent>, agent: Agent, turn: number): ContinuationStop | undefined',
-    summary: 'Serial terminal-stop checkpoint after the ordinary `agent/turn-continuation` waterfall, any `continue.reason`, and the pending-steering continuation override have been folded.',
+    summary: 'Monotonic terminal-stop checkpoint after continuation and steering are folded; a stop remains authoritative through turn close and flush: steering queued in that window is discarded, while ordinary sends survive.',
   },
   {
     name: 'approval/request',