perf: optimize app startup and background lifecycles

electron/main/ipc/host-api-proxy.ts

@@ -1,6 +1,8 @@
 import { ipcMain } from 'electron';
 import { getPort } from '../../utils/config';
 import { getHostApiToken } from '../../api/server';
+import type { HostApiContext } from '../../api/context';
+import { shouldUseLoopbackHostApi } from '../../api/host-api-transport';
 import {
   getRendererCapability,
   RENDERER_CAPABILITY_HEADER,
@@ -13,7 +15,7 @@ type HostApiFetchRequest = {
   body?: unknown;
 };
 
-export function registerHostApiProxyHandlers(): void {
+export function registerHostApiProxyHandlers(hostApiContext?: HostApiContext): void {
   const hostApiPort = getPort('NIANCODE_HOST_API');
 
   // Expose the per-session auth token to the renderer so the browser-fallback
@@ -56,6 +58,17 @@ export function registerHostApiProxyHandlers(): void {
         }
       }
 
+      if (hostApiContext && !shouldUseLoopbackHostApi(path, method)) {
+        const { dispatchHostApiRequest } = await import('../../api/host-api-dispatcher');
+        const data = await dispatchHostApiRequest(hostApiContext, {
+          path,
+          method,
+          headers,
+          ...(body === undefined ? {} : { body }),
+        });
+        return { ok: true, data: { ...data, transport: 'dispatcher' as const } };
+      }
+
       // The Host API is an in-process loopback server. Using Electron's
       // proxy-aware network stack here can incorrectly send 127.0.0.1 through
       // a configured system proxy and surface a generic `fetch failed` before