refactor: 统一 log.ts/debug.ts 的测试 mock 为共享定义

- 新增 tests/mocks/log.ts 和 tests/mocks/debug.ts，覆盖源文件全部实际导出
- 移除旧 mock 中不存在的导出（logToFile、logEvent、getLogFilePath）
- 13 个测试文件改为使用共享 mock，避免定义分散和不一致

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

packages/builtin-tools/src/tools/AgentTool/__tests__/agentToolUtils.test.ts

@@ -1,4 +1,5 @@
 import { mock, describe, expect, test } from "bun:test";
+import { debugMock } from "../../../../../../tests/mocks/debug";
 
 // ─── Mocks for agentToolUtils.ts dependencies ───
 // Only mock modules that are truly unavailable or cause side effects.
@@ -87,20 +88,7 @@ mock.module("src/tasks/LocalAgentTask/LocalAgentTask.js", () => ({
   updateProgressFromMessage: noop,
 }));
 
-mock.module("src/utils/debug.ts", () => ({
-  getMinDebugLogLevel: () => "warn",
-  isDebugMode: () => false,
-  enableDebugLogging: () => false,
-  getDebugFilter: () => null,
-  isDebugToStdErr: () => false,
-  getDebugFilePath: () => null,
-  setHasFormattedOutput: noop,
-  getHasFormattedOutput: () => false,
-  flushDebugLogs: async () => {},
-  logForDebugging: noop,
-  getDebugLogPath: () => "",
-  logAntError: noop,
-}));
+mock.module("src/utils/debug.ts", debugMock);
 
 mock.module("src/utils/errors.js", () => ({
   ClaudeError: class extends Error {},

packages/builtin-tools/src/tools/CtxInspectTool/__tests__/CtxInspectTool.test.ts

@@ -1,21 +1,7 @@
 import { afterEach, beforeEach, describe, expect, mock, test } from 'bun:test'
+import { logMock } from '../../../../../../tests/mocks/log'
 
-mock.module('src/utils/log.ts', () => ({
-  logError: () => {},
-  logToFile: () => {},
-  getLogDisplayTitle: () => '',
-  logEvent: () => {},
-  logMCPError: () => {},
-  logMCPDebug: () => {},
-  dateToFilename: (d: Date) => d.toISOString().replace(/[:.]/g, '-'),
-  getLogFilePath: () => '/tmp/mock-log',
-  attachErrorLogSink: () => {},
-  getInMemoryErrors: () => [],
-  loadErrorLogs: async () => [],
-  getErrorLogByIndex: async () => null,
-  captureAPIRequest: () => {},
-  _resetErrorLogForTesting: () => {},
-}))
+mock.module('src/utils/log.ts', logMock)
 
 mock.module('src/services/tokenEstimation.ts', () => ({
   roughTokenCountEstimation: (text: string) => Math.ceil(text.length / 4),

packages/builtin-tools/src/tools/FileEditTool/__tests__/utils.test.ts

@@ -1,22 +1,8 @@
 import { mock, describe, expect, test } from "bun:test";
+import { logMock } from "../../../../../../tests/mocks/log";
 
 // Mock log.ts to cut the heavy dependency chain
-mock.module("src/utils/log.ts", () => ({
-  logError: () => {},
-  logToFile: () => {},
-  getLogDisplayTitle: () => "",
-  logEvent: () => {},
-  logMCPError: () => {},
-  logMCPDebug: () => {},
-  dateToFilename: (d: Date) => d.toISOString().replace(/[:.]/g, "-"),
-  getLogFilePath: () => "/tmp/mock-log",
-  attachErrorLogSink: () => {},
-  getInMemoryErrors: () => [],
-  loadErrorLogs: async () => [],
-  getErrorLogByIndex: async () => null,
-  captureAPIRequest: () => {},
-  _resetErrorLogForTesting: () => {},
-}));
+mock.module("src/utils/log.ts", logMock);
 
 const {
   normalizeQuotes,

packages/builtin-tools/src/tools/LSPTool/__tests__/formatters.test.ts

@@ -1,9 +1,7 @@
 import { mock, describe, expect, test } from "bun:test";
+import { debugMock } from "../../../../../../tests/mocks/debug";
 
-mock.module("src/utils/debug.ts", () => ({
-  logForDebugging: () => {},
-  isDebugMode: () => false,
-}));
+mock.module("src/utils/debug.ts", debugMock);
 
 const {
   formatGoToDefinitionResult,