Add admin user management

migrations/env.py

@@ -5,6 +5,8 @@ from logging.config import fileConfig
 from alembic import context
 from sqlalchemy import engine_from_config, pool
 
+from app.core.config import get_settings
+
 config = context.config
 
 if config.config_file_name is not None:
@@ -13,8 +15,15 @@ if config.config_file_name is not None:
 target_metadata = None
 
 
+def _configure_database_url() -> str:
+    settings = get_settings()
+    database_url = settings.active_database_url
+    config.set_main_option("sqlalchemy.url", database_url.replace("%", "%%"))
+    return database_url
+
+
 def run_migrations_offline() -> None:
-    url = config.get_main_option("sqlalchemy.url")
+    url = _configure_database_url()
     context.configure(
         url=url,
         target_metadata=target_metadata,
@@ -27,6 +36,7 @@ def run_migrations_offline() -> None:
 
 
 def run_migrations_online() -> None:
+    _configure_database_url()
     connectable = engine_from_config(
         config.get_section(config.config_ini_section, {}),
         prefix="sqlalchemy.",

migrations/versions/20260403_0004_users_table.py

@@ -0,0 +1,37 @@
+"""add users table
+
+Revision ID: 20260403_0004
+Revises: 20260403_0003
+Create Date: 2026-04-03 02:00:00
+"""
+
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "20260403_0004"
+down_revision = "20260403_0003"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        "users",
+        sa.Column("id", sa.Text(), nullable=False),
+        sa.Column("username", sa.Text(), nullable=False),
+        sa.Column("email", sa.Text(), nullable=True),
+        sa.Column("created_at", sa.TIMESTAMP(timezone=True), nullable=False, server_default=sa.text("NOW()")),
+        sa.Column("updated_at", sa.TIMESTAMP(timezone=True), nullable=False, server_default=sa.text("NOW()")),
+        sa.PrimaryKeyConstraint("id"),
+        sa.UniqueConstraint("username", name="uq_users_username"),
+        sa.UniqueConstraint("email", name="uq_users_email"),
+    )
+    op.create_index("ix_users_created_at", "users", ["created_at"])
+
+
+def downgrade() -> None:
+    op.drop_index("ix_users_created_at", table_name="users")
+    op.drop_table("users")