feat: integrate marketplace plugins with coding runtime

electron/api/route-handlers.ts

@@ -22,6 +22,7 @@ import { handleCodingAttachmentRoutes } from './routes/coding-attachments';
 import { handleCodingProjectRoutes } from './routes/coding-projects';
 import { handleCodingConversationRoutes } from './routes/coding-conversations';
 import { handleCodingPluginRoutes } from './routes/coding-plugins';
+import { handlePluginMarketplaceRoutes } from './routes/plugin-marketplace';
 
 export type HostApiRouteHandler = (
   req: IncomingMessage,
@@ -50,6 +51,7 @@ export const hostApiRouteHandlers: readonly HostApiRouteHandler[] = [
   handleUserSyncRoutes,
   handleCodingAttachmentRoutes,
   handleCodingProjectRoutes,
+  handlePluginMarketplaceRoutes,
   handleCodingPluginRoutes,
   handleCodingConversationRoutes,
   handleCodingFileRoutes,