feat: async task pipeline for media and llm workflows

package.json

@@ -6,8 +6,9 @@
   "scripts": {
     "dev": "NODE_ENV=development tsx watch server/_core/index.ts",
     "dev:test": "PORT=41731 STRICT_PORT=1 VITE_APP_ID=test-app VITE_OAUTH_PORTAL_URL=http://127.0.0.1:41731 NODE_ENV=development tsx server/_core/index.ts",
-    "build": "vite build && esbuild server/_core/index.ts --platform=node --packages=external --bundle --format=esm --outdir=dist",
-    "start": "NODE_ENV=production node dist/index.js",
+    "build": "vite build && esbuild server/_core/index.ts server/worker.ts --platform=node --packages=external --bundle --format=esm --outdir=dist",
+    "start": "NODE_ENV=production node dist/_core/index.js",
+    "start:worker": "NODE_ENV=production node dist/worker.js",
     "check": "tsc --noEmit",
     "format": "prettier --write .",
     "test": "vitest run",