Initial commit: Rentman Clone - Phase 0-6 (T001-T023)

Completed:
- Phase 0: Project Setup (T001-T003) - Docker Compose, FastAPI skeleton, React SPA
- Phase 1: Auth System (T004-T008) - DB models, JWT auth, RBAC middleware, user management
- Phase 2: Contacts & Tags (T009-T011) - CRUD API + UI
- Phase 3: Equipment Catalog (T012-T014) - Models, API, UI with barcode/QR
- Phase 4: Crew Management (T015-T017) - Models, availability, UI
- Phase 5: Vehicle Fleet (T018-T020) - Models, assignments, UI
- Phase 6: Projects (T021-T023) - Project hierarchy models, CRUD API, list/detail UI

backend/alembic/env.py

@@ -0,0 +1,69 @@
+"""Alembic environment configuration for async SQLAlchemy."""
+
+import asyncio
+from logging.config import fileConfig
+
+from alembic import context
+from sqlalchemy.ext.asyncio import create_async_engine
+
+from app.core.config import settings
+from app.db.base import Base
+
+# Import all models so they are registered on Base.metadata
+import app.models  # noqa: F401
+
+# Alembic Config object
+config = context.config
+
+# Set the SQLAlchemy URL from our application settings
+config.set_main_option("sqlalchemy.url", settings.DATABASE_URL)
+
+# Interpret the config file for Python logging
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+# Target metadata for autogenerate
+target_metadata = Base.metadata
+
+
+def run_migrations_offline() -> None:
+    """Run migrations in 'offline' mode."""
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+        render_as_batch=True,  # Required for SQLite ALTER TABLE support
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def do_run_migrations(connection):
+    """Execute migrations in a synchronous context."""
+    context.configure(
+        connection=connection,
+        target_metadata=target_metadata,
+        render_as_batch=True,
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+async def run_async_migrations() -> None:
+    """Create async engine and run migrations using run_sync."""
+    connectable = create_async_engine(settings.DATABASE_URL)
+
+    async with connectable.connect() as connection:
+        await connection.run_sync(do_run_migrations)
+
+    await connectable.dispose()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    asyncio.run(run_async_migrations())