feat(coding): add PI-105 product file host API

electron/api/route-handlers.ts

@@ -17,6 +17,7 @@ import { handleUsageRoutes } from './routes/usage';
 import { handleFileRoutes } from './routes/files';
 import { handleMeowaGameAssetsRoutes } from './routes/meowa-game-assets';
 import { handleAgentBrowserRoutes } from './routes/agent-browser';
+import { handleCodingFileRoutes } from './routes/coding-files';
 
 export type HostApiRouteHandler = (
   req: IncomingMessage,
@@ -42,6 +43,7 @@ export const hostApiRouteHandlers: readonly HostApiRouteHandler[] = [
   handleWorksRoutes,
   handleAgentBrowserRoutes,
   handleUserSyncRoutes,
+  handleCodingFileRoutes,
   handleOpencodeRoutes,
   handleSettingsRoutes,
   handleProviderRoutes,