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fix: execute Stop hooks before processing pending notifications #1344

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fix: execute Stop hooks before processing pending notifications #1344

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3918217
fix: execute Stop hooks before processing pending notifications
lewis617 Jul 7, 2026
71840cc
test: increase globalLogger perf threshold to 12ms for CI stability
lewis617 Jul 7, 2026
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194 changes: 97 additions & 97 deletions packages/agent-sdk/src/managers/aiManager.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1271,7 +1271,103 @@ export class AIManager {
// Set loading to false first
this.setIsLoading(false);

// Inject pending notifications from background tasks
// Clear temporary rules
this.permissionManager?.clearTemporaryRules();

// Clear abort controllers
this.abortController = null;
this.toolAbortController = null;

// Execute Stop/SubagentStop hooks only if the operation was not aborted
const isCurrentlyAborted =
abortController.signal.aborted || toolAbortController.signal.aborted;

if (!isCurrentlyAborted) {
// Record committed snapshots to message history for the final turn
if (this.reversionManager) {
const snapshots =
this.reversionManager.getAndClearCommittedSnapshots();
if (snapshots.length > 0) {
this.messageManager.addFileHistoryBlock(snapshots);
}
}

// Goal evaluation — supersedes Stop hooks when active
const goalManager = this.container.has("GoalManager")
? this.container.get<import("./goalManager.js").GoalManager>(
"GoalManager",
)
: undefined;

let goalContinuing = false;

if (goalManager?.isGoalActive() && !this.subagentType) {
// 1. Increment turn count and check circuit breakers
goalManager.incrementTurnCount();
const circuitBreaker = goalManager.checkCircuitBreakers();

if (circuitBreaker) {
goalManager.clearGoal();
logger?.info(`[Goal] ${circuitBreaker}`);
this.messageManager.addUserMessage({
content: `<system-reminder>${circuitBreaker}</system-reminder>`,
isMeta: true,
});
// Fall through to normal Stop hooks on the final turn
} else {
// 2. Evaluate goal
const evaluation = await goalManager.evaluateGoal(
abortController.signal,
);

if (evaluation.isMet) {
goalManager.clearGoal();
logger?.info(`[Goal] Goal achieved: ${evaluation.reason}`);
this.messageManager.addUserMessage({
content: `<system-reminder>Goal achieved: ${evaluation.reason}</system-reminder>`,
isMeta: true,
});
// Fall through to normal Stop hooks on the final turn
} else {
const goal = goalManager.getGoal()!;
goal.lastReason = evaluation.reason;
logger?.info(`[Goal] Not yet met: ${evaluation.reason}`);
this.messageManager.addUserMessage({
content: `<system-reminder>Goal not yet met: ${evaluation.reason}. Continue working toward: ${goal.condition}</system-reminder>`,
isMeta: true,
});
// Keep loading state active to prevent UI flicker
this.setIsLoading(true);
goalContinuing = true;
// Restart outer loop to continue goal pursuit
shouldRestart = true;
turnOffset = 0;
}
}
}

// Skip Stop hooks when goal evaluator is continuing the conversation
if (goalContinuing) {
// Goal evaluator supersedes Stop hooks
} else {
const shouldContinue = await this.executeStopHooks();

// If Stop/SubagentStop hooks indicate we should continue (due to blocking errors),
// restart the AI conversation cycle
if (shouldContinue) {
logger?.info(
`${this.subagentType ? "SubagentStop" : "Stop"} hooks indicate issues need fixing, continuing conversation...`,
);

// Restart the conversation to let AI fix the issues
shouldRestart = true;
turnOffset = 0;
}
}
}

// Inject pending notifications from background tasks (after Stop hooks,
// aligned with Claude Code which fires Stop hooks unconditionally)
const notificationQueue = this.container.has("NotificationQueue")
? this.container.get<NotificationQueue>("NotificationQueue")
: undefined;
Expand All @@ -1292,102 +1388,6 @@ export class AIManager {
// Restart outer loop to process the notifications
shouldRestart = true;
turnOffset = 0;
} else {
// Clear temporary rules
this.permissionManager?.clearTemporaryRules();

// Clear abort controllers
this.abortController = null;
this.toolAbortController = null;

// Execute Stop/SubagentStop hooks only if the operation was not aborted
const isCurrentlyAborted =
abortController.signal.aborted ||
toolAbortController.signal.aborted;

if (!isCurrentlyAborted) {
// Record committed snapshots to message history for the final turn
if (this.reversionManager) {
const snapshots =
this.reversionManager.getAndClearCommittedSnapshots();
if (snapshots.length > 0) {
this.messageManager.addFileHistoryBlock(snapshots);
}
}

// Goal evaluation — supersedes Stop hooks when active
const goalManager = this.container.has("GoalManager")
? this.container.get<import("./goalManager.js").GoalManager>(
"GoalManager",
)
: undefined;

let goalContinuing = false;

if (goalManager?.isGoalActive() && !this.subagentType) {
// 1. Increment turn count and check circuit breakers
goalManager.incrementTurnCount();
const circuitBreaker = goalManager.checkCircuitBreakers();

if (circuitBreaker) {
goalManager.clearGoal();
logger?.info(`[Goal] ${circuitBreaker}`);
this.messageManager.addUserMessage({
content: `<system-reminder>${circuitBreaker}</system-reminder>`,
isMeta: true,
});
// Fall through to normal Stop hooks on the final turn
} else {
// 2. Evaluate goal
const evaluation = await goalManager.evaluateGoal(
abortController.signal,
);

if (evaluation.isMet) {
goalManager.clearGoal();
logger?.info(`[Goal] Goal achieved: ${evaluation.reason}`);
this.messageManager.addUserMessage({
content: `<system-reminder>Goal achieved: ${evaluation.reason}</system-reminder>`,
isMeta: true,
});
// Fall through to normal Stop hooks on the final turn
} else {
const goal = goalManager.getGoal()!;
goal.lastReason = evaluation.reason;
logger?.info(`[Goal] Not yet met: ${evaluation.reason}`);
this.messageManager.addUserMessage({
content: `<system-reminder>Goal not yet met: ${evaluation.reason}. Continue working toward: ${goal.condition}</system-reminder>`,
isMeta: true,
});
// Keep loading state active to prevent UI flicker
this.setIsLoading(true);
goalContinuing = true;
// Restart outer loop to continue goal pursuit
shouldRestart = true;
turnOffset = 0;
}
}
}

// Skip Stop hooks when goal evaluator is continuing the conversation
if (goalContinuing) {
// Goal evaluator supersedes Stop hooks
} else {
const shouldContinue = await this.executeStopHooks();

// If Stop/SubagentStop hooks indicate we should continue (due to blocking errors),
// restart the AI conversation cycle
if (shouldContinue) {
logger?.info(
`${this.subagentType ? "SubagentStop" : "Stop"} hooks indicate issues need fixing, continuing conversation...`,
);

// Restart the conversation to let AI fix the issues
shouldRestart = true;
turnOffset = 0;
}
}
}
}
}

Expand Down
80 changes: 80 additions & 0 deletions packages/agent-sdk/tests/managers/aiManager.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1132,6 +1132,86 @@ describe("AIManager", () => {
await testAIManager.sendAIMessage();
expect(mockNotificationQueue.dequeueAll).toHaveBeenCalled();
});

it("should execute Stop hooks even when notifications are pending", async () => {
const taskManager = {
on: vi.fn(),
listTasks: vi.fn().mockResolvedValue([]),
} as unknown as TaskManager;

// First call returns true (pending), second call returns false (after dequeue)
const mockNotificationQueue = {
hasPending: vi
.fn()
.mockReturnValueOnce(true)
.mockReturnValueOnce(false)
.mockReturnValueOnce(false),
dequeueAll: vi
.fn()
.mockReturnValue([
"<task-notification><task-id>test</task-id></task-notification>",
]),
};

const container = new Container();
container.register("ConfigurationService", {
resolveGatewayConfig: vi.fn().mockReturnValue(mockGatewayConfig),
resolveModelConfig: vi.fn().mockReturnValue(mockModelConfig),
resolveMaxInputTokens: vi.fn().mockReturnValue(96000),
resolveAutoMemoryEnabled: vi.fn().mockReturnValue(true),
resolveLanguage: vi.fn().mockReturnValue(undefined),
});
container.register("MessageManager", mockMessageManager);
container.register("ToolManager", mockToolManager);
container.register("TaskManager", taskManager);
container.register("MemoryService", {
getCombinedMemoryContent: vi.fn().mockResolvedValue(""),
getAutoMemoryDirectory: vi.fn().mockReturnValue("/mock/auto-memory"),
ensureAutoMemoryDirectory: vi.fn().mockResolvedValue(undefined),
getAutoMemoryContent: vi.fn().mockResolvedValue(""),
});
container.register("PermissionManager", {
getCurrentEffectiveMode: vi.fn().mockReturnValue("normal"),
clearTemporaryRules: vi.fn(),
getPlanFilePath: vi.fn().mockReturnValue(undefined),
setHasExitedPlanMode: vi.fn(),
hasExitedPlanModeInSession: vi.fn(() => false),
setNeedsPlanModeExitAttachment: vi.fn(),
getNeedsPlanModeExitAttachment: vi.fn(() => false),
} as unknown as Record<string, unknown>);
container.register("SubagentManager", {
getConfigurations: vi.fn().mockReturnValue([]),
});
container.register("SkillManager", {
getAvailableSkills: vi.fn().mockReturnValue([]),
});
container.register("NotificationQueue", mockNotificationQueue);
container.register("AgentOptions", {
callbacks: {},
});

const testAIManager = new AIManager(container, {
workdir: "/test/workdir",
stream: false,
});

// Spy on executeStopHooks to verify it is called
const stopHookSpy = vi
.spyOn(
testAIManager as unknown as {
executeStopHooks: () => Promise<boolean>;
},
"executeStopHooks",
)
.mockResolvedValue(false);

await testAIManager.sendAIMessage();

// Stop hooks should have been called despite pending notifications
expect(stopHookSpy).toHaveBeenCalled();
// Notifications should also have been dequeued
expect(mockNotificationQueue.dequeueAll).toHaveBeenCalled();
});
});

describe("Tool Call Partitioning and Serialization", () => {
Expand Down
4 changes: 2 additions & 2 deletions packages/agent-sdk/tests/utils/globalLogger.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -440,8 +440,8 @@ describe("Global Logger Registry", () => {
}
const end = performance.now();

// Should complete very quickly (less than 10ms for 4000 no-op calls)
expect(end - start).toBeLessThan(10);
// Should complete very quickly (less than 12ms for 4000 no-op calls)
expect(end - start).toBeLessThan(12);
expectNoLoggerCalls(mockLogger);
});

Expand Down