From 6f7d7981894ad34553d8f0ba04c1b099ab1451ff Mon Sep 17 00:00:00 2001
From: Vedant Mahajan <vedant.04.mahajan@gmail.com>
Date: Sat, 10 Jan 2026 22:19:15 +0530
Subject: [PATCH] remove unused sessionHookTriggers and exports (#16324)

---
 packages/core/src/core/sessionHookTriggers.ts | 108 ------------------
 packages/core/src/hooks/index.ts              |   7 --
 2 files changed, 115 deletions(-)
 delete mode 100644 packages/core/src/core/sessionHookTriggers.ts

diff --git a/packages/core/src/core/sessionHookTriggers.ts b/packages/core/src/core/sessionHookTriggers.ts
deleted file mode 100644
index 149a84edbd..0000000000
--- a/packages/core/src/core/sessionHookTriggers.ts
+++ /dev/null
@@ -1,108 +0,0 @@
-/**
- * @license
- * Copyright 2025 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-import type { MessageBus } from '../confirmation-bus/message-bus.js';
-import {
-  MessageBusType,
-  type HookExecutionRequest,
-  type HookExecutionResponse,
-} from '../confirmation-bus/types.js';
-import {
-  type SessionStartSource,
-  type SessionEndReason,
-  type PreCompressTrigger,
-  createHookOutput,
-  type DefaultHookOutput,
-} from '../hooks/types.js';
-import { debugLogger } from '../utils/debugLogger.js';
-
-/**
- * Fires the SessionStart hook.
- *
- * @param messageBus The message bus to use for hook communication
- * @param source The source/trigger of the session start
- * @returns The output from the SessionStart hook, or undefined if failed/no output
- */
-export async function fireSessionStartHook(
-  messageBus: MessageBus,
-  source: SessionStartSource,
-): Promise<DefaultHookOutput | undefined> {
-  try {
-    const response = await messageBus.request<
-      HookExecutionRequest,
-      HookExecutionResponse
-    >(
-      {
-        type: MessageBusType.HOOK_EXECUTION_REQUEST,
-        eventName: 'SessionStart',
-        input: {
-          source,
-        },
-      },
-      MessageBusType.HOOK_EXECUTION_RESPONSE,
-    );
-
-    if (response.output) {
-      return createHookOutput('SessionStart', response.output);
-    }
-    return undefined;
-  } catch (error) {
-    debugLogger.debug(`SessionStart hook failed:`, error);
-    return undefined;
-  }
-}
-
-/**
- * Fires the SessionEnd hook.
- *
- * @param messageBus The message bus to use for hook communication
- * @param reason The reason for the session end
- */
-export async function fireSessionEndHook(
-  messageBus: MessageBus,
-  reason: SessionEndReason,
-): Promise<void> {
-  try {
-    await messageBus.request<HookExecutionRequest, HookExecutionResponse>(
-      {
-        type: MessageBusType.HOOK_EXECUTION_REQUEST,
-        eventName: 'SessionEnd',
-        input: {
-          reason,
-        },
-      },
-      MessageBusType.HOOK_EXECUTION_RESPONSE,
-    );
-  } catch (error) {
-    debugLogger.debug(`SessionEnd hook failed:`, error);
-  }
-}
-
-/**
- * Fires the PreCompress hook.
- *
- * @param messageBus The message bus to use for hook communication
- * @param trigger The trigger type (manual or auto)
- */
-export async function firePreCompressHook(
-  messageBus: MessageBus,
-  trigger: PreCompressTrigger,
-): Promise<void> {
-  try {
-    await messageBus.request<HookExecutionRequest, HookExecutionResponse>(
-      {
-        type: MessageBusType.HOOK_EXECUTION_REQUEST,
-        eventName: 'PreCompress',
-        input: {
-          trigger,
-        },
-      },
-      MessageBusType.HOOK_EXECUTION_RESPONSE,
-    );
-  } catch (error) {
-    debugLogger.debug(`PreCompress hook failed:`, error);
-  }
-}
diff --git a/packages/core/src/hooks/index.ts b/packages/core/src/hooks/index.ts
index 223ac25e42..b8e54fdc2f 100644
--- a/packages/core/src/hooks/index.ts
+++ b/packages/core/src/hooks/index.ts
@@ -20,10 +20,3 @@ export type { HookRegistryEntry } from './hookRegistry.js';
 export { ConfigSource } from './types.js';
 export type { AggregatedHookResult } from './hookAggregator.js';
 export type { HookEventContext } from './hookPlanner.js';
-
-// Export hook trigger functions
-export {
-  fireSessionStartHook,
-  fireSessionEndHook,
-  firePreCompressHook,
-} from '../core/sessionHookTriggers.js';