feat: 接入 pi 原生能力——Usage Card、思考等级切换、压缩与分支摘要

apps/desktop/src/preload/index.ts

@@ -9,12 +9,15 @@ import type {
   BrowserUiState,
   ChatResources,
   CustomProviderConfig,
+  ForkPoint,
   ModelCatalog,
+  NavigateTreeOptions,
   PermissionMode,
   ResourceDetails,
   SendImage,
   SessionMeta,
   SessionState,
+  ThinkingLevel,
   WorkspaceFile,
   WorkspaceMeta
 } from '@shared/types'
@@ -65,6 +68,14 @@ const api = {
   setApiKey: (providerId: string, apiKey: string): Promise<void> =>
     ipcRenderer.invoke('auth:setKey', providerId, apiKey),
   logoutProvider: (providerId: string): Promise<void> => ipcRenderer.invoke('auth:logout', providerId),
+  setThinkingLevel: (level: ThinkingLevel): Promise<void> => ipcRenderer.invoke('thinking:set', level),
+  compactSession: (instructions?: string): Promise<{ summary: string; tokensBefore: number }> =>
+    ipcRenderer.invoke('session:compact', instructions),
+  abortCompaction: (): Promise<void> => ipcRenderer.invoke('session:compact:abort'),
+  setAutoCompaction: (enabled: boolean): Promise<void> => ipcRenderer.invoke('session:autoCompact', enabled),
+  listForkPoints: (): Promise<ForkPoint[]> => ipcRenderer.invoke('session:forkPoints'),
+  navigateTree: (entryId: string, options?: NavigateTreeOptions): Promise<void> =>
+    ipcRenderer.invoke('session:navigate', entryId, options),
   getSettings: (): Promise<AppSettings> => ipcRenderer.invoke('settings:get'),
   setSystemPrompt: (text: string): Promise<void> => ipcRenderer.invoke('settings:setPrompt', text),
   setThemeColor: (id: string): Promise<void> => ipcRenderer.invoke('settings:setTheme', id),