Remove frontend directory from git tracking

.gitignore

@@ -209,4 +209,4 @@ __marimo__/
 
 
 Lung Cancer Guidelines/
-#frontend/
+#frontend/frontend/ 

logs/app.log

@@ -5987,3 +5987,28 @@ AttributeError: 'ConversationTracker' object has no attribute 'add_turn'
 2025-10-22 17:21:27,249 - AgenticMedicalRAG - INFO - LLM initialized successfully
 2025-10-22 17:21:27,250 - AgenticMedicalRAG - INFO - 🔄 Background Init: All components initialized successfully (100%)
 2025-10-22 17:21:27,250 - AgenticMedicalRAG - INFO - ✅ Background initialization completed successfully
+2025-10-22 17:32:21,727 - AgenticMedicalRAG - INFO - Configuration validation completed
+2025-10-22 17:32:22,898 - AgenticMedicalRAG - INFO - Loaded 877 learned synonyms from cache
+2025-10-22 17:32:23,297 - AgenticMedicalRAG - INFO - 🚀 Starting background initialization...
+2025-10-22 17:32:23,298 - AgenticMedicalRAG - INFO - 🔄 Background Init: Starting background initialization... (0%)
+2025-10-22 17:32:23,299 - AgenticMedicalRAG - INFO - 🔄 Background Init: Loading embedding model... (10%)
+2025-10-22 17:32:23,299 - AgenticMedicalRAG - INFO - Loading embedding model (first time)...
+2025-10-22 17:32:38,012 - AgenticMedicalRAG - INFO - Embedding model loaded successfully
+2025-10-22 17:32:38,013 - AgenticMedicalRAG - INFO - 🔄 Background Init: Embedding model loaded successfully (40%)
+2025-10-22 17:32:38,013 - AgenticMedicalRAG - INFO - 🔄 Background Init: Initializing retrievers and loading chunks... (50%)
+2025-10-22 17:32:38,014 - AgenticMedicalRAG - INFO - 🔄 Initializing retrievers (first time use)...
+2025-10-22 17:32:38,014 - AgenticMedicalRAG - INFO - 🔄 Processing new data and updating vector store if needed...
+2025-10-22 17:32:38,096 - AgenticMedicalRAG - INFO - 📦 Loading chunks cache for BM25 retriever...
+2025-10-22 17:32:38,115 - AgenticMedicalRAG - INFO - 🔍 Creating vector retriever...
+2025-10-22 17:32:38,116 - AgenticMedicalRAG - INFO - 📝 Creating BM25 retriever...
+2025-10-22 17:32:38,517 - AgenticMedicalRAG - INFO - 🔄 Creating hybrid retriever...
+2025-10-22 17:32:38,517 - AgenticMedicalRAG - INFO - ✅ Retrievers initialized successfully.
+2025-10-22 17:32:38,518 - AgenticMedicalRAG - INFO - 🔄 Background Init: Retrievers initialized successfully (90%)
+2025-10-22 17:32:38,518 - AgenticMedicalRAG - INFO - 🔄 Background Init: Learning medical terminology from corpus... (92%)
+2025-10-22 17:32:44,048 - AgenticMedicalRAG - INFO - Saved learned terms to cache
+2025-10-22 17:32:44,049 - AgenticMedicalRAG - INFO - Learned medical terminology from 1000 documents
+2025-10-22 17:32:44,050 - AgenticMedicalRAG - INFO - 🔄 Background Init: Warming up LLM... (97%)
+2025-10-22 17:32:44,050 - AgenticMedicalRAG - INFO - Initializing LLM (first time)...
+2025-10-22 17:32:45,430 - AgenticMedicalRAG - INFO - LLM initialized successfully
+2025-10-22 17:32:45,430 - AgenticMedicalRAG - INFO - 🔄 Background Init: All components initialized successfully (100%)
+2025-10-22 17:32:45,430 - AgenticMedicalRAG - INFO - ✅ Background initialization completed successfully