Убрал mock, добавил llm_available, таймер + счётчик при upload

web/script_endpoint.py

@@ -87,6 +87,7 @@ def register(app):
         cfg = load()
         api_key = cfg["llm"]["api_key"]
         model = cfg["llm"].get("model", "gpt-oss-120b")
+        llm_available = bool(api_key)
 
         llm_start = time.time()
         llm_success = False
@@ -126,6 +127,8 @@ def register(app):
         return jsonify({
             "diagnosis": diagnosis,
             "parsed": _summary(parsed),
+            "llm_available": llm_available,
+            "llm_success": llm_success,
         })