chore: 移除 src/ 下多处未引用的导出

涉及 18 个文件，每处均为独立的 unreferenced export 删除或 export 关键字冗余移除：

- bridge/bridgeStatusUtil.ts、components/TrustDialog/utils.ts、context/stats.tsx
- keybindings/loadUserBindings.ts、memdir/paths.ts、remote/sdkMessageAdapter.ts
- services/acp/utils.ts（删除 nodeToWebReadable，全仓零引用）
- services/api/metricsOptOut.ts、services/lsp/LSPDiagnosticRegistry.ts、services/lsp/manager.ts
- services/mcp/utils.ts、services/skillLearning/projectContext.ts
- services/teamMemorySync/secretScanner.ts、services/teamMemorySync/watcher.ts
- skills/loadSkillsDir.ts、utils/attachments.ts、utils/filePersistence/filePersistence.ts
- utils/messageQueueManager.ts

Co-Authored-By: glm-5.2 <zai-org@claude-code-best.win>

src/bridge/bridgeStatusUtil.ts

@@ -28,11 +28,6 @@ export function timestamp(): string {
 
 export { formatDuration, truncateToWidth as truncatePrompt }
 
-/** Abbreviate a tool activity summary for the trail display. */
-export function abbreviateActivity(summary: string): string {
-  return truncateToWidth(summary, 30)
-}
-
 /** Build the connect URL shown when the bridge is idle. */
 export function buildBridgeConnectUrl(
   environmentId: string,