Major improvement, security handling, file handling +fixes

config/default.example.toml

@@ -9,6 +9,7 @@
 # Path to the SQLite database file. Relative paths are resolved from the
 # current working directory. Both the server and bot MUST use the same file.
 database_path = "data/db.sqlite"
+uname_changes_path = "data/uname_changes.json"
 
 # ----------------------------------------------------------------------------
 # Content settings
@@ -62,6 +63,9 @@ admin_group_ids = []
 # Group IDs where reported content is forwarded for moderator review.
 review_group_ids = []
 
+# Enable global ban list enforcement across all groups.
+global_ban = false
+
 # ----------------------------------------------------------------------------
 # Storage Paths
 # ----------------------------------------------------------------------------