diff --git a/packages/@ant/claude-for-chrome-mcp/src/bridgeClient.ts b/packages/@ant/claude-for-chrome-mcp/src/bridgeClient.ts
index c1302c11f0..e91c19a290 100644
--- a/packages/@ant/claude-for-chrome-mcp/src/bridgeClient.ts
+++ b/packages/@ant/claude-for-chrome-mcp/src/bridgeClient.ts
@@ -9,6 +9,7 @@ import { SocketConnectionError } from './mcpSocketClient.js'
 import {
   localPlatformLabel,
   type BridgePermissionRequest,
+  toLoggerDetail,
   type ChromeExtensionInfo,
   type ClaudeForChromeContext,
   type PermissionMode,
@@ -578,7 +579,7 @@ export class BridgeClient implements SocketClient {
       const durationMs = Date.now() - this.connectionStartTime
       logger.error(
         `[${serverName}] Failed to create WebSocket after ${durationMs}ms:`,
-        error,
+        toLoggerDetail(error),
       )
       trackEvent?.('chrome_bridge_connection_failed', {
         duration_ms: durationMs,
@@ -618,7 +619,10 @@ export class BridgeClient implements SocketClient {
         )
         this.handleMessage(message)
       } catch (error) {
-        logger.error(`[${serverName}] Failed to parse bridge message:`, error)
+        logger.error(
+          `[${serverName}] Failed to parse bridge message:`,
+          toLoggerDetail(error),
+        )
       }
     })
 
@@ -862,7 +866,10 @@ export class BridgeClient implements SocketClient {
       const allowed = await pending.onPermissionRequest(request)
       this.sendPermissionResponse(requestId, allowed)
     } catch (error) {
-      logger.error(`[${serverName}] Error handling permission request:`, error)
+      logger.error(
+        `[${serverName}] Error handling permission request:`,
+        toLoggerDetail(error),
+      )
       this.sendPermissionResponse(requestId, false)
     }
   }
diff --git a/packages/@ant/claude-for-chrome-mcp/src/index.ts b/packages/@ant/claude-for-chrome-mcp/src/index.ts
index c6d82f73fe..cebec3a504 100644
--- a/packages/@ant/claude-for-chrome-mcp/src/index.ts
+++ b/packages/@ant/claude-for-chrome-mcp/src/index.ts
@@ -8,8 +8,11 @@ export { localPlatformLabel } from './types.js'
 export type {
   BridgeConfig,
   ChromeExtensionInfo,
+  ChromeBridgeTrackEventMetadata,
   ClaudeForChromeContext,
   Logger,
+  LoggerDetail,
   PermissionMode,
   SocketClient,
 } from './types.js'
+export { toLoggerDetail } from './types.js'
diff --git a/packages/@ant/claude-for-chrome-mcp/src/mcpSocketClient.ts b/packages/@ant/claude-for-chrome-mcp/src/mcpSocketClient.ts
index f359667ad8..4dbfa289e4 100644
--- a/packages/@ant/claude-for-chrome-mcp/src/mcpSocketClient.ts
+++ b/packages/@ant/claude-for-chrome-mcp/src/mcpSocketClient.ts
@@ -9,6 +9,7 @@ import type {
   PermissionMode,
   PermissionOverrides,
 } from './types.js'
+import { toLoggerDetail } from './types.js'
 
 export class SocketConnectionError extends Error {
   constructor(message: string) {
@@ -87,7 +88,10 @@ class McpSocketClient {
       await this.validateSocketSecurity(socketPath)
     } catch (error) {
       this.connecting = false
-      logger.info(`[${serverName}] Security validation failed:`, error)
+      logger.info(
+        `[${serverName}] Security validation failed:`,
+        toLoggerDetail(error),
+      )
       // Don't retry on security failures (wrong perms/owner) - those won't
       // self-resolve. Only the error handler retries on transient errors.
       return
@@ -145,14 +149,20 @@ class McpSocketClient {
             logger.info(`[${serverName}] Received unknown message: ${message}`)
           }
         } catch (error) {
-          logger.info(`[${serverName}] Failed to parse message:`, error)
+          logger.info(
+            `[${serverName}] Failed to parse message:`,
+            toLoggerDetail(error),
+          )
         }
       }
     })
 
     this.socket.on('error', (error: Error & { code?: string }) => {
       clearTimeout(connectTimeout)
-      logger.info(`[${serverName}] Socket error (code: ${error.code}):`, error)
+      logger.info(
+        `[${serverName}] Socket error (code: ${error.code}):`,
+        toLoggerDetail(error),
+      )
       this.connected = false
       this.connecting = false
 
diff --git a/packages/@ant/claude-for-chrome-mcp/src/toolCalls.ts b/packages/@ant/claude-for-chrome-mcp/src/toolCalls.ts
index 587428d404..15584cd89c 100644
--- a/packages/@ant/claude-for-chrome-mcp/src/toolCalls.ts
+++ b/packages/@ant/claude-for-chrome-mcp/src/toolCalls.ts
@@ -7,6 +7,7 @@ import type {
   PermissionOverrides,
   SocketClient,
 } from './types.js'
+import { toLoggerDetail } from './types.js'
 
 export const handleToolCall = async (
   context: ClaudeForChromeContext,
@@ -44,7 +45,10 @@ export const handleToolCall = async (
 
     return handleToolCallDisconnected(context)
   } catch (error) {
-    context.logger.info(`[${context.serverName}] Error calling tool:`, error)
+    context.logger.info(
+      `[${context.serverName}] Error calling tool:`,
+      toLoggerDetail(error),
+    )
 
     if (error instanceof SocketConnectionError) {
       return handleToolCallDisconnected(context)
@@ -165,8 +169,7 @@ async function handleToolCallConnected(
 
   // Fallback for unexpected result format
   context.logger.warn(
-    `[${context.serverName}] Unexpected result format from socket bridge`,
-    response,
+    `[${context.serverName}] Unexpected result format from socket bridge: ${JSON.stringify(response)}`,
   )
 
   return {
diff --git a/packages/@ant/claude-for-chrome-mcp/src/types.ts b/packages/@ant/claude-for-chrome-mcp/src/types.ts
index 67927e0027..989deab8f0 100644
--- a/packages/@ant/claude-for-chrome-mcp/src/types.ts
+++ b/packages/@ant/claude-for-chrome-mcp/src/types.ts
@@ -1,11 +1,84 @@
+/**
+ * Logger 第二参数的可选类型。
+ * 调用方通过 util.format 追加详情，实践中多为 catch 到的异常对象。
+ */
+export type LoggerDetail = Error | NodeJS.ErrnoException
+
+/** 将 unknown 收窄为 LoggerDetail，供 catch 块传给 logger 使用。 */
+export function toLoggerDetail(detail: unknown): LoggerDetail | undefined {
+  return detail instanceof Error ? detail : undefined
+}
+
+/** 宿主注入的日志接口，与 DebugLogger（util.format）对齐。 */
 export interface Logger {
-  info: (message: string, ...args: unknown[]) => void
-  error: (message: string, ...args: unknown[]) => void
-  warn: (message: string, ...args: unknown[]) => void
-  debug: (message: string, ...args: unknown[]) => void
-  silly: (message: string, ...args: unknown[]) => void
+  info: (message: string, detail?: LoggerDetail) => void // 信息
+  error: (message: string, detail?: LoggerDetail) => void // 错误
+  warn: (message: string, detail?: LoggerDetail) => void // 警告
+  debug: (message: string, detail?: LoggerDetail) => void // 调试
+  silly: (message: string, detail?: LoggerDetail) => void // 最细粒度调试
+}
+
+/**
+ * Bridge 连接失败时的 error_type 枚举。
+ * 由 bridgeClient 在 getUserId / getOAuthToken / WebSocket 创建失败时上报。
+ */
+export type ChromeBridgeConnectionErrorType =
+  | 'no_user_id' // 无法获取用户 UUID
+  | 'no_oauth_token' // 无法获取 OAuth token
+  | 'websocket_error' // WebSocket 创建或运行异常
+
+/** 工具调用相关遥测元数据（started / completed / timeout / error）。 */
+export type ChromeBridgeToolCallMetadata = {
+  tool_name: string // MCP 工具名
+  tool_use_id: string // 本次调用的 UUID
+  duration_ms?: number // 耗时（毫秒）
+  timeout_ms?: number // 超时阈值（毫秒），仅 timeout 事件
+  error_message?: string // 错误摘要（截断），仅 error 事件
+}
+
+/** Bridge 连接失败遥测元数据。 */
+export type ChromeBridgeConnectionFailedMetadata = {
+  duration_ms: number // 自连接开始到失败的耗时（毫秒）
+  error_type: ChromeBridgeConnectionErrorType // 失败原因分类
+  reconnect_attempt: number // 当前重连尝试次数
 }
 
+/** Bridge 开始连接遥测元数据。 */
+export type ChromeBridgeConnectionStartedMetadata = {
+  bridge_url: string // 目标 WebSocket URL（含用户路径）
+}
+
+/** Bridge 断开连接遥测元数据。 */
+export type ChromeBridgeDisconnectedMetadata = {
+  close_code: number // WebSocket 关闭码
+  duration_since_connect_ms: number // 自连接成功到断开的时长（毫秒）
+  reconnect_attempt: number // 即将进行的重连序号
+}
+
+/** Bridge 连接成功遥测元数据。 */
+export type ChromeBridgeConnectionSucceededMetadata = {
+  duration_ms: number // 自开始到连接就绪的耗时（毫秒）
+  status: 'paired' | 'waiting' // paired=已配对扩展；waiting=等待扩展接入
+}
+
+/** Bridge 重连次数耗尽遥测元数据。 */
+export type ChromeBridgeReconnectExhaustedMetadata = {
+  total_attempts: number // 累计重连次数上限
+}
+
+/**
+ * trackEvent 回调的 metadata 联合类型。
+ * 各变体对应 bridgeClient 内 chrome_bridge_* 事件；null 表示无附加字段。
+ */
+export type ChromeBridgeTrackEventMetadata =
+  | ChromeBridgeToolCallMetadata
+  | ChromeBridgeConnectionFailedMetadata
+  | ChromeBridgeConnectionStartedMetadata
+  | ChromeBridgeDisconnectedMetadata
+  | ChromeBridgeConnectionSucceededMetadata
+  | ChromeBridgeReconnectExhaustedMetadata
+  | null // 无元数据（如 peer_connected / peer_disconnected）
+
 export type PermissionMode =
   | 'ask'
   | 'skip_all_permission_checks'
@@ -48,10 +121,10 @@ export interface ClaudeForChromeContext {
   bridgeConfig?: BridgeConfig
   /** If set, permission mode is sent to the extension immediately on bridge connection. */
   initialPermissionMode?: PermissionMode
-  /** Optional callback to track telemetry events for bridge connections */
-  trackEvent?: <K extends string>(
-    eventName: K,
-    metadata: Record<string, unknown> | null,
+  /** Bridge 遥测回调；eventName 为 chrome_bridge_* 事件名 */
+  trackEvent?: (
+    eventName: string, // 事件名
+    metadata: ChromeBridgeTrackEventMetadata, // 事件元数据
   ) => void
   /** Called when user pairs with an extension via the browser pairing flow. */
   onExtensionPaired?: (deviceId: string, name: string) => void
diff --git a/packages/@ant/computer-use-mcp/src/pixelCompare.ts b/packages/@ant/computer-use-mcp/src/pixelCompare.ts
index b8f0efae3b..4c898d2136 100644
--- a/packages/@ant/computer-use-mcp/src/pixelCompare.ts
+++ b/packages/@ant/computer-use-mcp/src/pixelCompare.ts
@@ -20,7 +20,7 @@
  */
 
 import type { ScreenshotResult } from './executor.js'
-import type { Logger } from './types.js'
+import { type Logger, toLoggerDetail } from './types.js'
 
 /** Injected by the host. See `ComputerUseHostAdapter.cropRawPatch`. */
 export type CropRawPatchFn = (
@@ -165,7 +165,10 @@ export async function validateClickTarget(
   } catch (err) {
     // Skip validation on technical errors, execute action anyway.
     // Battle-tested: validation failure must never block the click.
-    logger.debug('[pixelCompare] validation error, skipping', err)
+    logger.debug(
+      '[pixelCompare] validation error, skipping',
+      toLoggerDetail(err),
+    )
     return { valid: true, skipped: true }
   }
 }
diff --git a/packages/@ant/computer-use-mcp/src/toolCalls.ts b/packages/@ant/computer-use-mcp/src/toolCalls.ts
index 46f209cc24..404c38cd2c 100644
--- a/packages/@ant/computer-use-mcp/src/toolCalls.ts
+++ b/packages/@ant/computer-use-mcp/src/toolCalls.ts
@@ -91,6 +91,7 @@ import type {
   ResolvedAppRequest,
   TeachStepRequest,
 } from './types.js'
+import { toLoggerDetail } from './types.js'
 
 /**
  * Finder is never hidden by the hide loop (hiding Finder kills the Desktop),
@@ -4446,7 +4447,10 @@ export async function handleToolCall(
     // For ungated tools, the executor may have been mid-call; that's fine —
     // the result is still a tool error, never an implicit success.
     const msg = err instanceof Error ? err.message : String(err)
-    logger.error(`[${serverName}] tool=${name} threw: ${msg}`, err)
+    logger.error(
+      `[${serverName}] tool=${name} threw: ${msg}`,
+      toLoggerDetail(err),
+    )
     return errorResult(`Tool "${name}" failed: ${msg}`, 'executor_threw')
   }
 }
diff --git a/packages/@ant/computer-use-mcp/src/types.ts b/packages/@ant/computer-use-mcp/src/types.ts
index 03725c9f6a..614980aaed 100644
--- a/packages/@ant/computer-use-mcp/src/types.ts
+++ b/packages/@ant/computer-use-mcp/src/types.ts
@@ -8,13 +8,24 @@ import type {
  *  cross-respawn `scaleCoord` survival. */
 export type ScreenshotDims = Omit<ScreenshotResult, 'base64'>
 
-/** Shape mirrors claude-for-chrome-mcp/src/types.ts:1-7 */
+/**
+ * Logger 第二参数的可选类型（与 claude-for-chrome-mcp 对齐）。
+ * 实践中多为 catch 到的 Error。
+ */
+export type LoggerDetail = Error | NodeJS.ErrnoException
+
+/** 将 unknown 收窄为 LoggerDetail，供 catch 块传给 logger 使用。 */
+export function toLoggerDetail(detail: unknown): LoggerDetail | undefined {
+  return detail instanceof Error ? detail : undefined
+}
+
+/** 宿主注入的日志接口（与 claude-for-chrome-mcp/src/types.ts 对齐）。 */
 export interface Logger {
-  info: (message: string, ...args: unknown[]) => void
-  error: (message: string, ...args: unknown[]) => void
-  warn: (message: string, ...args: unknown[]) => void
-  debug: (message: string, ...args: unknown[]) => void
-  silly: (message: string, ...args: unknown[]) => void
+  info: (message: string, detail?: LoggerDetail) => void // 信息
+  error: (message: string, detail?: LoggerDetail) => void // 错误
+  warn: (message: string, detail?: LoggerDetail) => void // 警告
+  debug: (message: string, detail?: LoggerDetail) => void // 调试
+  silly: (message: string, detail?: LoggerDetail) => void // 最细粒度调试
 }
 
 /**
diff --git a/packages/@ant/ink/src/core/dom.ts b/packages/@ant/ink/src/core/dom.ts
index 993dadd3ad..3699ce6224 100644
--- a/packages/@ant/ink/src/core/dom.ts
+++ b/packages/@ant/ink/src/core/dom.ts
@@ -1,3 +1,4 @@
+import type { EventHandlerProps } from './events/event-handlers.js'
 import type { FocusManager } from './focus.js'
 import { createLayoutNode } from './layout/engine.js'
 import type { LayoutNode } from './layout/node.js'
@@ -45,10 +46,9 @@ export type DOMElement = {
   dirty: boolean
   // Set by the reconciler's hideInstance/unhideInstance; survives style updates.
   isHidden?: boolean
-  // Event handlers set by the reconciler for the capture/bubble dispatcher.
-  // Stored separately from attributes so handler identity changes don't
-  // mark dirty and defeat the blit optimization.
-  _eventHandlers?: Record<string, unknown>
+  // 协调器写入的事件处理器（捕获/冒泡分发用）。
+  // 与 attributes 分离，避免 handler 引用变化触发 dirty 破坏 blit 优化。
+  _eventHandlers?: Partial<EventHandlerProps> // 见 event-handlers.ts EventHandlerProps
 
   // Scroll state for overflow: 'scroll' boxes. scrollTop is the number of
   // rows the content is scrolled down by. scrollHeight/scrollViewportHeight
diff --git a/packages/@ant/ink/src/core/events/terminal-event.ts b/packages/@ant/ink/src/core/events/terminal-event.ts
index 9a86bf8b29..99b49d4c91 100644
--- a/packages/@ant/ink/src/core/events/terminal-event.ts
+++ b/packages/@ant/ink/src/core/events/terminal-event.ts
@@ -101,7 +101,10 @@ export class TerminalEvent extends Event {
   _prepareForTarget(_target: EventTarget): void {}
 }
 
+import type { EventHandlerProps } from './event-handlers.js'
+
+/** 终端事件系统的目标节点（DOM 树节点或根节点）。 */
 export type EventTarget = {
-  parentNode: EventTarget | undefined
-  _eventHandlers?: Record<string, unknown>
+  parentNode: EventTarget | undefined // 父节点，根节点为 undefined
+  _eventHandlers?: Partial<EventHandlerProps> // 事件处理器，与 dom.ts DOMElement 同构
 }
diff --git a/packages/@ant/ink/src/core/reconciler.ts b/packages/@ant/ink/src/core/reconciler.ts
index 18164bb203..d3e2174ad4 100644
--- a/packages/@ant/ink/src/core/reconciler.ts
+++ b/packages/@ant/ink/src/core/reconciler.ts
@@ -20,7 +20,10 @@ import {
   type TextNode,
 } from './dom.js'
 import { Dispatcher } from './events/dispatcher.js'
-import { EVENT_HANDLER_PROPS } from './events/event-handlers.js'
+import {
+  EVENT_HANDLER_PROPS,
+  type EventHandlerProps,
+} from './events/event-handlers.js'
 import { getFocusManager, getRootNode } from './focus.js'
 import { LayoutDisplay } from './layout/node.js'
 import applyStyles, { type Styles, type TextStyles } from './styles.js'
@@ -111,7 +114,11 @@ type HostContext = {
   isInsideText: boolean
 }
 
-function setEventHandler(node: DOMElement, key: string, value: unknown): void {
+function setEventHandler<K extends keyof EventHandlerProps>(
+  node: DOMElement,
+  key: K,
+  value: EventHandlerProps[K],
+): void {
   if (!node._eventHandlers) {
     node._eventHandlers = {}
   }
@@ -135,7 +142,11 @@ function applyProp(node: DOMElement, key: string, value: unknown): void {
   }
 
   if (EVENT_HANDLER_PROPS.has(key)) {
-    setEventHandler(node, key, value)
+    setEventHandler(
+      node,
+      key as keyof EventHandlerProps,
+      value as EventHandlerProps[keyof EventHandlerProps],
+    )
     return
   }
 
@@ -441,7 +452,11 @@ const reconciler = createReconciler<
         }
 
         if (EVENT_HANDLER_PROPS.has(key)) {
-          setEventHandler(node, key, value)
+          setEventHandler(
+            node,
+            key as keyof EventHandlerProps,
+            value as EventHandlerProps[keyof EventHandlerProps],
+          )
           continue
         }
 
diff --git a/src/utils/auth.ts b/src/utils/auth.ts
index a7b744373b..c640ed7a90 100644
--- a/src/utils/auth.ts
+++ b/src/utils/auth.ts
@@ -1897,12 +1897,12 @@ export function getAccountInformation() {
     accountInfo.apiKeySource = apiKeySource
   }
 
-  // We don't know the organization if we're relying on an external API key or auth token
+  // 如果我们依赖外部 API 密钥或认证令牌，则不知道组织
   if (
     authTokenSource === 'claude.ai' ||
     apiKeySource === '/login managed key'
   ) {
-    // Get organization name from OAuth account info
+    // 从 OAuth 账户信息获取组织名称
     const orgName = getOauthAccountInfo()?.organizationName
     if (orgName) {
       accountInfo.organization = orgName
diff --git a/src/utils/claudeInChrome/mcpServer.ts b/src/utils/claudeInChrome/mcpServer.ts
index 02f0d629cf..58907afd87 100644
--- a/src/utils/claudeInChrome/mcpServer.ts
+++ b/src/utils/claudeInChrome/mcpServer.ts
@@ -2,6 +2,7 @@ import {
   type ClaudeForChromeContext,
   createClaudeForChromeMcpServer,
   type Logger,
+  type LoggerDetail,
   type PermissionMode,
 } from '@ant/claude-for-chrome-mcp'
 import { initializeAnalyticsSink } from '../../services/analytics/sink.js'
@@ -276,19 +277,19 @@ export async function runClaudeInChromeMcpServer(): Promise<void> {
 }
 
 class DebugLogger implements Logger {
-  silly(message: string, ...args: unknown[]): void {
-    logForDebugging(format(message, ...args), { level: 'debug' })
+  silly(message: string, detail?: LoggerDetail): void {
+    logForDebugging(format(message, detail ?? ''), { level: 'debug' })
   }
-  debug(message: string, ...args: unknown[]): void {
-    logForDebugging(format(message, ...args), { level: 'debug' })
+  debug(message: string, detail?: LoggerDetail): void {
+    logForDebugging(format(message, detail ?? ''), { level: 'debug' })
   }
-  info(message: string, ...args: unknown[]): void {
-    logForDebugging(format(message, ...args), { level: 'info' })
+  info(message: string, detail?: LoggerDetail): void {
+    logForDebugging(format(message, detail ?? ''), { level: 'info' })
   }
-  warn(message: string, ...args: unknown[]): void {
-    logForDebugging(format(message, ...args), { level: 'warn' })
+  warn(message: string, detail?: LoggerDetail): void {
+    logForDebugging(format(message, detail ?? ''), { level: 'warn' })
   }
-  error(message: string, ...args: unknown[]): void {
-    logForDebugging(format(message, ...args), { level: 'error' })
+  error(message: string, detail?: LoggerDetail): void {
+    logForDebugging(format(message, detail ?? ''), { level: 'error' })
   }
 }
diff --git a/src/utils/computerUse/hostAdapter.ts b/src/utils/computerUse/hostAdapter.ts
index e01ab30d78..c07c30d61e 100644
--- a/src/utils/computerUse/hostAdapter.ts
+++ b/src/utils/computerUse/hostAdapter.ts
@@ -1,6 +1,7 @@
 import type {
   ComputerUseHostAdapter,
   Logger,
+  LoggerDetail,
 } from '@ant/computer-use-mcp/types'
 import { format } from 'util'
 import { logForDebugging } from '../debug.js'
@@ -10,20 +11,20 @@ import { getChicagoEnabled, getChicagoSubGates } from './gates.js'
 import { requireComputerUseSwift } from './swiftLoader.js'
 
 class DebugLogger implements Logger {
-  silly(message: string, ...args: unknown[]): void {
-    logForDebugging(format(message, ...args), { level: 'debug' })
+  silly(message: string, detail?: LoggerDetail): void {
+    logForDebugging(format(message, detail ?? ''), { level: 'debug' })
   }
-  debug(message: string, ...args: unknown[]): void {
-    logForDebugging(format(message, ...args), { level: 'debug' })
+  debug(message: string, detail?: LoggerDetail): void {
+    logForDebugging(format(message, detail ?? ''), { level: 'debug' })
   }
-  info(message: string, ...args: unknown[]): void {
-    logForDebugging(format(message, ...args), { level: 'info' })
+  info(message: string, detail?: LoggerDetail): void {
+    logForDebugging(format(message, detail ?? ''), { level: 'info' })
   }
-  warn(message: string, ...args: unknown[]): void {
-    logForDebugging(format(message, ...args), { level: 'warn' })
+  warn(message: string, detail?: LoggerDetail): void {
+    logForDebugging(format(message, detail ?? ''), { level: 'warn' })
   }
-  error(message: string, ...args: unknown[]): void {
-    logForDebugging(format(message, ...args), { level: 'error' })
+  error(message: string, detail?: LoggerDetail): void {
+    logForDebugging(format(message, detail ?? ''), { level: 'error' })
   }
 }