fix(llm): relax response validation to prevent crashes

pipeline/llm_service.py

@@ -27,10 +27,10 @@ except ImportError:
 # Constants
 DEFAULT_MAX_TOKENS = 4000
 PREFERRED_MODELS = [
-    "google/gemma-2-9b-it:free",
-    "deepseek/deepseek-r1-0528:free",
     "qwen/qwen3-235b-a22b-07-25:free",
-    "moonshotai/kimi-k2:free" # Keep as a final fallback
+    "deepseek/deepseek-r1-0528:free",
+    "google/gemma-2-9b-it:free",
+    "moonshotai/kimi-k2:free"
 ]
 DEFAULT_TEMPERATURE = 0.3
 DEFAULT_TOP_P = 0.9
@@ -568,8 +568,7 @@ Your analysis will be performed using the `{model_name}` model. Provide a concis
         # Check if at least some text names appear in the response
         text_name_matches = sum(1 for name in text_names if name in response)
         if text_names and text_name_matches == 0:
-            logger.warning("LLM response does not mention any of the text names from the dataset")
-            raise ValueError("Response does not reference any of the analyzed texts")
+            logger.warning("LLM response does not mention any of the text names from the dataset. The analysis may be generic.")
         
         # Ensure basic markdown structure
         if '##' not in response: