feat: 动态插件系统 M0-M3（两层能力模型 + pi 原生契约 + Obsidian 式 SDK）

apps/desktop/src/preload/index.ts

@@ -13,6 +13,9 @@ import type {
   ModelCatalog,
   NavigateTreeOptions,
   PermissionMode,
+  PluginInfo,
+  PluginsUiState,
+  PluginViewChange,
   ResourceDetails,
   SendImage,
   SessionMeta,
@@ -129,6 +132,39 @@ const api = {
     return () => {
       ipcRenderer.removeListener('browser:event', listener)
     }
+  },
+
+  // ---- 插件系统 ----
+  pluginsList: (): Promise<PluginInfo[]> => ipcRenderer.invoke('plugins:list'),
+  pluginsUiState: (): Promise<PluginsUiState> => ipcRenderer.invoke('plugins:uiState'),
+  pluginsSetEnabled: (id: string, enabled: boolean): Promise<void> =>
+    ipcRenderer.invoke('plugins:setEnabled', id, enabled),
+  pluginsReload: (): Promise<void> => ipcRenderer.invoke('plugins:reload'),
+  pluginsOpenView: (view: string, params?: unknown): Promise<void> =>
+    ipcRenderer.invoke('plugins:openView', view, params),
+  /** 插件页桥转发（渲染层桥校验来源后调用；pluginId 键控写主进程单一事实源） */
+  pluginsSetStatus: (pluginId: string, itemId: string, item: unknown): Promise<void> =>
+    ipcRenderer.invoke('plugins:setStatus', pluginId, itemId, item),
+  onPluginsListChanged: (callback: () => void): (() => void) => {
+    const listener = (): void => callback()
+    ipcRenderer.on('plugins:listChanged', listener)
+    return () => {
+      ipcRenderer.removeListener('plugins:listChanged', listener)
+    }
+  },
+  onPluginsUiState: (callback: (state: PluginsUiState) => void): (() => void) => {
+    const listener = (_e: Electron.IpcRendererEvent, state: PluginsUiState): void => callback(state)
+    ipcRenderer.on('plugins:uiState', listener)
+    return () => {
+      ipcRenderer.removeListener('plugins:uiState', listener)
+    }
+  },
+  onPluginsView: (callback: (change: PluginViewChange) => void): (() => void) => {
+    const listener = (_e: Electron.IpcRendererEvent, change: PluginViewChange): void => callback(change)
+    ipcRenderer.on('plugins:view', listener)
+    return () => {
+      ipcRenderer.removeListener('plugins:view', listener)
+    }
   }
 }