Update config, core models, and web app; refresh Python 3.11 cache

This commit includes general updates to application configuration, core data models, and various web application components (knowledge base, error handling, static assets, and websocket server). It also refreshes the Python 3.11 bytecode cache, likely due to underlying code changes and environment alignment.

database_init_report.json

@@ -0,0 +1,9 @@
+{
+  "init_time": "2025-12-12T13:31:25.459591",
+  "database_version": "SQLite 3.43.1",
+  "database_url": "sqlite:///tsp_assistant.db",
+  "migrations_applied": 0,
+  "tables_created": 9,
+  "initial_data_inserted": true,
+  "verification_passed": true
+}