Update main.py

main.py

@@ -661,6 +661,29 @@ def _watch(interval=30):
 # API
 # ---------------------------------------------------------------------------
 
+@app.route('/', methods=['GET'])
+def index():
+    """Root route — required for HuggingFace Spaces health checks and iframe rendering."""
+    return jsonify({
+        "name":            "Marka Data API",
+        "version":         "2.0",
+        "status":          "online",
+        "subjects_loaded": len(SYLLABUS_MAP),
+        "vector_chunks":   len(VECTOR_DB),
+        "firebase":        FIREBASE_AVAILABLE,
+        "endpoints": [
+            "GET  /health",
+            "GET  /v1/subjects",
+            "GET  /v1/structure/<subject_id>",
+            "POST /v1/search",
+            "GET  /v1/exams",
+            "GET  /v1/exams/<paper_id>",
+            "GET  /v1/exams/<paper_id>/questions",
+            "POST /v1/rebuild"
+        ]
+    })
+
+
 @app.route('/health', methods=['GET'])
 def health():
     return jsonify({