feat: return to monolithic architecture for maximum hackathon stability

frontend/lib/api.ts

@@ -16,14 +16,8 @@ export function getAPIBase(): string {
     return 'http://localhost:8000';
   }
 
-  // 3. Hugging Face Space detection (FORCED CENTRALIZED BACKEND)
-  if (hostname.includes('.hf.space')) {
-    // The user explicitly wants to use their personal backend space
-    const backendUrl = 'https://rewchile-andesai-backend.hf.space';
-    console.log('[API] Hugging Face Space detected. Connecting to Central Backend:', backendUrl);
-    return backendUrl;
-  }
-
+  // 3. Hugging Face & Production: Use relative paths (Monolithic mode)
+  // This is the most stable setup for the hackathon.
   return '';
 }