refactor: reduce query text truncation to 150 chars

Author: claude

config/grafana/dashboards/Dashboard_2_Aggregated_query_analysis.json

@@ -172,14 +172,7 @@
                 "properties": [
                   {
                     "id": "custom.width",
-                    "value": 400
-                  },
-                  {
-                    "id": "custom.cellOptions",
-                    "value": {
-                      "type": "auto",
-                      "wrapText": true
-                    }
+                    "value": 300
                   }
                 ]
               }

monitoring_flask_backend/app.py

@@ -88,9 +88,9 @@ def get_query_texts_from_sink(db_name: str = None) -> dict:
                 queryid = row['queryid']
                 query_text = row['query']
                 if queryid:
-                    # Truncate very long queries for display
-                    if query_text and len(query_text) > 500:
-                        query_text = query_text[:500] + '...'
+                    # Truncate long queries for display (150 chars)
+                    if query_text and len(query_text) > 150:
+                        query_text = query_text[:150] + '...'
                     query_texts[queryid] = query_text or ''
 
         conn.close()