Hotfix: Pre-load HF Model and Fix HTML Error Responses

app.py

@@ -12,6 +12,15 @@ from hadith_mcp import search_hadith
 logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)
 
+# Pre-download the model during server boot so the first request doesn't timeout
+try:
+    logger.info("Pre-downloading HF model during boot...")
+    from sentence_transformers import SentenceTransformer
+    SentenceTransformer('sentence-transformers/paraphrase-multilingual-MiniLM-L12-v2')
+    logger.info("Model ready!")
+except Exception as e:
+    logger.warning(f"Could not pre-download model: {e}")
+
 app = FastAPI(title="Hadith Search API")
 
 # Allow CORS for HuggingFace Spaces
@@ -55,8 +64,11 @@ if os.path.isdir(assets_dir):
 # Serve index.html at root
 @app.get("/{full_path:path}")
 async def serve_frontend(full_path: str):
+    if full_path.startswith("api/"):
+        raise HTTPException(status_code=404, detail="API route not found")
+        
     path_to_file = os.path.join(base_dir, full_path)
-    if os.path.isfile(path_to_file) and not full_path.startswith("api/"):
+    if os.path.isfile(path_to_file):
         return FileResponse(path_to_file)
     return FileResponse(os.path.join(base_dir, "index.html"))
 

assets/script.js

@@ -40,8 +40,18 @@ document.addEventListener('DOMContentLoaded', () => {
             });
 
             if (!response.ok) {
-                const errData = await response.json();
-                throw new Error(errData.detail || 'حدث خطأ أثناء الاتصال بالخادم');
+                const contentType = response.headers.get("content-type");
+                if (contentType && contentType.includes("application/json")) {
+                    const errData = await response.json();
+                    throw new Error(errData.detail || 'حدث خطأ أثناء الاتصال بالخادم');
+                } else {
+                    const text = await response.text();
+                    console.error("Non-JSON Server Error:", text);
+                    if (response.status === 504 || response.status === 503) {
+                        throw new Error("تأخر الخادم في الاستجابة (جاري تهيئة مساحة HuggingFace). يرجى المحاولة مرة أخرى.");
+                    }
+                    throw new Error(`خطأ في الخادم (الكود ${response.status}) - يرجى الانتظار والمحاولة لاحقاً.`);
+                }
             }
 
             const data = await response.json();