fix(atlas): gate boulder continuation prompts

src/hooks/atlas/idle-event.ts

@@ -20,6 +20,7 @@ import { createInternalAgentContinuationTextPart } from "../../shared"
 import { getAgentConfigKey } from "../../shared/agent-display-names"
 import { log } from "../../shared/logger"
 import { shouldPromptAfterSessionIdle } from "../shared/session-idle-settle"
+import { promptAsyncAfterSessionIdle } from "../shared/prompt-async-gate"
 import { injectBoulderContinuation } from "./boulder-continuation-injector"
 import { HOOK_NAME } from "./hook-name"
 import { resolveActiveBoulderSession } from "./resolve-active-boulder-session"
@@ -52,6 +53,7 @@ async function injectContinuation(input: {
   progress: { total: number; completed: number }
   agent?: string
   worktreePath?: string
+  idleSettleMs?: number
 }): Promise<void> {
   const remaining = input.progress.total - input.progress.completed
   if (input.sessionState.isInjectingContinuation) {
@@ -110,6 +112,7 @@ async function injectContinuation(input: {
       preferredTaskTitle: preferredTaskSession?.task_title,
       backgroundManager: input.options?.backgroundManager,
       sessionState: input.sessionState,
+      idleSettleMs: input.idleSettleMs,
     })
 
     if (result === "injected") {
@@ -288,14 +291,27 @@ export async function handleAtlasSessionIdle(input: {
         return
       }
 
-      await ctx.client.session.promptAsync({
-        path: { id: sessionID },
-        body: {
-          agent: atlasAgent,
-          parts: [createInternalAgentContinuationTextPart(prompt)],
+      const promptResult = await promptAsyncAfterSessionIdle({
+        client: ctx.client,
+        sessionID,
+        source: HOOK_NAME,
+        settleMs: options?.idleSettleMs,
+        input: {
+          path: { id: sessionID },
+          body: {
+            agent: atlasAgent,
+            parts: [createInternalAgentContinuationTextPart(prompt)],
+          },
+          query: { directory: ctx.directory },
         },
-        query: { directory: ctx.directory },
       })
+      if (promptResult.status !== "dispatched") {
+        log(`[${HOOK_NAME}] Boulder completion nudge skipped by promptAsync gate`, {
+          sessionID,
+          status: promptResult.status,
+        })
+        return
+      }
       sessionState.boulderCompletionNudgedAt = {
         ...(sessionState.boulderCompletionNudgedAt ?? {}),
         [work.work_id]: Date.now(),
@@ -398,6 +414,7 @@ export async function handleAtlasSessionIdle(input: {
     progress,
     agent: boulderState.agent,
     worktreePath: boulderState.worktree_path,
+    idleSettleMs: options?.idleSettleMs ?? 0,
   })
 }