Moved TELEM_URL from system config to user config

utils/configmanager.py

@@ -26,7 +26,6 @@ logger = logging.getLogger(__name__)
 # System config keys - these are immutable and come from system_config.json (bundled in exe)
 SYSTEM_CONFIG_KEYS = [
     "URL",
-    "TELEM_URL",
     "APPNAME",
     "LOG_LEVEL",
     "BAD_PATH_PARTS",
@@ -41,6 +40,7 @@ SYSTEM_CONFIG_KEYS = [
 # User config keys - these can be changed by the end user
 USER_CONFIG_KEYS = [
     "TELEMETRY",  # User opt-in/out for telemetry
+    "TELEM_URL",
     "TEXTUAL_THEME",  # UI theme preference
     "EXTRAS",  # Feature flags
 ]