fix(api): bootstrap users table in migration 007 + harden create_all

Create migration 007 to raw-SQL CREATE TABLE IF NOT EXISTS the users table
as a safety net for fresh databases where Base.metadata.create_all() may
fail due to import errors before the table is created.

Wrap the create_all call in env.py with try/except so alembic never crashes
due to create_all failures — migrations already handle table creation.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

alembic/env.py

@@ -50,7 +50,13 @@ def run_migrations_online() -> None:
         # Create any tables defined in models but not yet created by migrations.
         # This bootstraps fresh databases that have no legacy schema.
         # checkfirst=True ensures this is a no-op on existing databases.
-        Base.metadata.create_all(bind=connection, checkfirst=True)
+        try:
+            Base.metadata.create_all(bind=connection, checkfirst=True)
+        except Exception as exc:
+            import logging
+            logging.getLogger("alembic.env").warning(
+                "create_all failed (non-fatal, migrations should handle table creation): %s", exc
+            )
 
 
 if context.is_offline_mode():