Initial commit - Phase 3/4

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/frontend/vite.config.ts

@@ -1,7 +1,13 @@
 import { vitePlugin as remix } from "@remix-run/dev";
 import { defineConfig } from "vite";
+import path from "path";
 
 export default defineConfig({
+  resolve: {
+    alias: {
+      "~": path.resolve(__dirname, "./app"),
+    },
+  },
   plugins: [
     remix({
       future: {
@@ -19,9 +25,10 @@ export default defineConfig({
         target: 'http://localhost:8000',
         changeOrigin: true,
       },
-      '/sse': {
+      '/ws': {
         target: 'http://localhost:8000',
         changeOrigin: true,
+        ws: true,  // Enable WebSocket proxying
       },
     },
   },