feat(portal): migrate V3 console to React 19 + Vite + TypeScript + Zustand + Tailwind v4

stacks/portal/server.py

@@ -11,12 +11,14 @@ import subprocess
 import threading
 import time
 import urllib.request
+import mimetypes
 from concurrent.futures import ThreadPoolExecutor
 from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
 from pathlib import Path
 
 PORT = int(os.environ.get("PORT", "3004"))
 BASE_DIR = Path(__file__).resolve().parent
+DIST_DIR = BASE_DIR / "dist"
 INDEX_FILE = BASE_DIR / "index.html"
 
 _cache = {"data": None, "ts": 0.0}
@@ -285,9 +287,25 @@ class PortalHandler(BaseHTTPRequestHandler):
             self._send_json(collect_telemetry())
             return
 
-        # Serve SPA index.html for root and any path
+        # Serve static assets from Vite build output (dist/) if available
-        if INDEX_FILE.exists():
+        clean_path = self.path.split("?", 1)[0].lstrip("/")
-            body = INDEX_FILE.read_bytes()
+        if clean_path and DIST_DIR.exists():
+            asset_file = (DIST_DIR / clean_path).resolve()
+            if str(asset_file).startswith(str(DIST_DIR.resolve())) and asset_file.is_file():
+                body = asset_file.read_bytes()
+                mime, _ = mimetypes.guess_type(str(asset_file))
+                self.send_response(200)
+                self.send_header("Content-Type", mime or "application/octet-stream")
+                self.send_header("Cache-Control", "public, max-age=86400")
+                self.send_header("Content-Length", str(len(body)))
+                self.end_headers()
+                self.wfile.write(body)
+                return
+
+        # Serve SPA index.html from dist/index.html (React+Vite build) or fallback index.html
+        spa_index = (DIST_DIR / "index.html") if (DIST_DIR / "index.html").exists() else INDEX_FILE
+        if spa_index.exists():
+            body = spa_index.read_bytes()
             self.send_response(200)
             self.send_header("Content-Type", "text/html; charset=utf-8")
             self.send_header("Cache-Control", "no-cache")