implement PreTooUse PostToolUse PostToolUseFailure and test

packages/core/src/hooks/hookSystem.ts

@@ -17,8 +17,8 @@ import { createHookOutput } from './types.js';
 import type {
   SessionStartSource,
   SessionEndReason,
-  PermissionMode,
   AgentType,
+  PermissionMode,
 } from './types.js';
 
 const debugLogger = createDebugLogger('TRUSTED_HOOKS');
@@ -132,4 +132,70 @@ export class HookSystem {
       ? createHookOutput('SessionEnd', result.finalOutput)
       : undefined;
   }
+
+  /**
+   * Fire a PreToolUse event - called before tool execution
+   */
+  async firePreToolUseEvent(
+    toolName: string,
+    toolInput: Record<string, unknown>,
+    toolUseId: string,
+    permissionMode: PermissionMode,
+  ): Promise<DefaultHookOutput | undefined> {
+    const result = await this.hookEventHandler.firePreToolUseEvent(
+      toolName,
+      toolInput,
+      toolUseId,
+      permissionMode,
+    );
+    return result.finalOutput
+      ? createHookOutput('PreToolUse', result.finalOutput)
+      : undefined;
+  }
+
+  /**
+   * Fire a PostToolUse event - called after successful tool execution
+   */
+  async firePostToolUseEvent(
+    toolName: string,
+    toolInput: Record<string, unknown>,
+    toolResponse: Record<string, unknown>,
+    toolUseId: string,
+    permissionMode: PermissionMode,
+  ): Promise<DefaultHookOutput | undefined> {
+    const result = await this.hookEventHandler.firePostToolUseEvent(
+      toolName,
+      toolInput,
+      toolResponse,
+      toolUseId,
+      permissionMode,
+    );
+    return result.finalOutput
+      ? createHookOutput('PostToolUse', result.finalOutput)
+      : undefined;
+  }
+
+  /**
+   * Fire a PostToolUseFailure event - called when tool execution fails
+   */
+  async firePostToolUseFailureEvent(
+    toolUseId: string,
+    toolName: string,
+    toolInput: Record<string, unknown>,
+    errorMessage: string,
+    isInterrupt?: boolean,
+    permissionMode?: PermissionMode,
+  ): Promise<DefaultHookOutput | undefined> {
+    const result = await this.hookEventHandler.firePostToolUseFailureEvent(
+      toolUseId,
+      toolName,
+      toolInput,
+      errorMessage,
+      isInterrupt,
+      permissionMode,
+    );
+    return result.finalOutput
+      ? createHookOutput('PostToolUseFailure', result.finalOutput)
+      : undefined;
+  }
 }