refactor(data): remove pluginCompute plugin-compute path

图表已统一走缓存端点，pluginCompute 不再被任何调用方使用，移除其全链路实现。
pluginQuery 保留供消息浏览/搜索/分页与 session-index 等通用 SQL 访问。

- 删除 ElectronDataAdapter（已无覆写），electron registry 直接使用 FetchDataAdapter
- 移除 IPC handler、preload API/类型、worker dispatch 与 workerManager 导出中的 pluginCompute

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/desktop/main/ipc/chat.ts

@@ -236,14 +236,6 @@ export function registerChatHandlers(ctx: IpcContext): void {
     }
   })
 
-  /**
-   * 仅保留图表插件计算的 worker 卸载路径。
-   * 其他数据查询已迁移到 HTTP，但这些计算会处理大数组，放在 renderer 会冻结 UI。
-   */
-  ipcMain.handle('chat:pluginCompute', async (_, fnString: string, input: unknown) => {
-    return worker.pluginCompute(fnString, input)
-  })
-
   // Session index and summary IPC handlers have been removed.
   // All session-index operations now go through shared HTTP routes
   // (FetchSessionIndexAdapter via /_web/sessions/* endpoints).

apps/desktop/main/worker/dbWorker.ts

@@ -217,12 +217,8 @@ const syncHandlers: Record<string, (payload: any) => any> = {
   executeRawSQL: (p) => executeRawSQL(p.sessionId, p.sql),
   getSchema: (p) => getSchema(p.sessionId),
 
-  // 插件系统
+  // 通用 SQL 查询
   pluginQuery: (p) => executePluginQuery(p.sessionId, p.sql, p.params),
-  pluginCompute: (p: { fnString: string; input: any }) => {
-    const fn = new Function('return ' + p.fnString)()
-    return fn(p.input)
-  },
 
   // 会话索引
   generateSessions: (p) => generateSessions(p.sessionId, p.gapThreshold),

apps/desktop/main/worker/workerManager.ts

@@ -257,14 +257,6 @@ export async function pluginQuery<T = Record<string, any>>(
   return sendToWorker('pluginQuery', { sessionId, sql, params }, 120000)
 }
 
-/**
- * 插件计算卸载（纯函数在 Worker 中执行）
- * 超时设为 120s，因为计算密集型任务 + 排队等待可能较长
- */
-export async function pluginCompute<TOutput = any>(fnString: string, input: any): Promise<TOutput> {
-  return sendToWorker('pluginCompute', { fnString, input }, 120000)
-}
-
 // ==================== 导出的异步 API ====================
 
 export async function getAvailableYears(sessionId: string): Promise<number[]> {

apps/desktop/preload/apis/chat.ts

@@ -78,13 +78,6 @@ export const chatApi = {
   ): Promise<{ success: boolean; newMessageCount: number; error?: string }> =>
     ipcRenderer.invoke('chat:incrementalImport', sessionId, filePath),
 
-  /**
-   * 图表插件计算会处理大量消息数组，Electron 下必须卸载到 worker，
-   * 避免 renderer 主线程同步执行造成窗口卡顿。
-   */
-  pluginCompute: <T = unknown>(fnString: string, input: unknown): Promise<T> =>
-    ipcRenderer.invoke('chat:pluginCompute', fnString, input),
-
   // ==================== Demo ====================
 
   importDemo: (

apps/desktop/preload/index.d.ts

@@ -73,7 +73,6 @@ interface ChatApi {
     sessionId: string,
     filePath: string
   ) => Promise<{ success: boolean; newMessageCount: number; error?: string }>
-  pluginCompute: <T = unknown>(fnString: string, input: unknown) => Promise<T>
   importDemo: (locale: string) => Promise<{
     success: boolean
     groupSessionId?: string

src/services/data/electron.ts

@@ -1,14 +0,0 @@
-/**
- * ElectronDataAdapter — Electron 专用 DataAdapter
- *
- * 普通数据查询继续复用共享 HTTP 路由；计算密集型 pluginCompute
- * 通过 Electron worker 执行，避免在 renderer 主线程同步阻塞图表交互。
- */
-
-import { FetchDataAdapter } from './fetch'
-
-export class ElectronDataAdapter extends FetchDataAdapter {
-  async pluginCompute<T = unknown>(fnString: string, input: unknown): Promise<T> {
-    return window.chatApi.pluginCompute<T>(fnString, input)
-  }
-}

src/services/registry.ts

@@ -65,8 +65,8 @@ export async function initServices(): Promise<void> {
  * data/message/preferences/ai-streaming use Fetch/SSE; import stays on IPC.
  */
 async function initElectronAdapters(): Promise<void> {
-  const { ElectronDataAdapter } = await import('./data/electron')
-  registerAdapter('data', new ElectronDataAdapter())
+  const { FetchDataAdapter } = await import('./data/fetch')
+  registerAdapter('data', new FetchDataAdapter())
 
   const { ElectronImportAdapter } = await import('./import/electron')
   registerAdapter('import', new ElectronImportAdapter())