chore: Exclude database files from debugger auto-reload (#10020)

🔧 (gitignore): update gitignore to exclude all files with .db extension or prefix
🔧 (.vscode/launch.json): update launch configuration to exclude all files with .db extension or prefix from hot reload

.gitignore

@@ -276,7 +276,7 @@ src/frontend/temp
 .history
 
 .dspy_cache/
-*.db
+*.db*
 *.mcp.json
 
 news-aggregated.json

.vscode/launch.json

@@ -21,7 +21,9 @@
         "--reload-include",
         "./src/backend/*",
         "--reload-include",
-        "./src/lfx/*"
+        "./src/lfx/*",
+        "--reload-exclude",
+        "*.db*"
       ],
       "jinja": true,
       "justMyCode": false,