feat: Consolidate user, role, and theme settings tables into a single migration file

scripts/setup_database.py

@@ -22,6 +22,7 @@ connection string; this script will still honor the granular inputs above.
 """
 
 from __future__ import annotations
+from config.database import Base
 import argparse
 import importlib
 import logging
@@ -43,7 +44,6 @@ from sqlalchemy import create_engine, inspect
 ROOT_DIR = Path(__file__).resolve().parents[1]
 if str(ROOT_DIR) not in sys.path:
     sys.path.insert(0, str(ROOT_DIR))
-from config.database import Base
 
 
 logger = logging.getLogger(__name__)
@@ -126,7 +126,8 @@ class DatabaseConfig:
         ]
         if missing:
             raise RuntimeError(
-                "Missing required database configuration: " + ", ".join(missing)
+                "Missing required database configuration: " +
+                ", ".join(missing)
             )
 
         host = cast(str, host)
@@ -340,7 +341,8 @@ class DatabaseSetup:
                     rollback_label = f"drop database {self.config.database}"
                     self._register_rollback(
                         rollback_label,
-                        lambda db=self.config.database: self._drop_database(db),
+                        lambda db=self.config.database: self._drop_database(
+                            db),
                     )
                 logger.info("Created database '%s'", self.config.database)
             finally:
@@ -409,7 +411,8 @@ class DatabaseSetup:
                         rollback_label = f"drop role {self.config.user}"
                         self._register_rollback(
                             rollback_label,
-                            lambda role=self.config.user: self._drop_role(role),
+                            lambda role=self.config.user: self._drop_role(
+                                role),
                         )
                 else:
                     logger.info("Role '%s' already present", self.config.user)
@@ -839,6 +842,7 @@ class DatabaseSetup:
         seed_args = argparse.Namespace(
             currencies=True,
             units=True,
+            theme=True,
             defaults=False,
             dry_run=dry_run,
             verbose=0,