feat: simplify CLI feature (#23)

* chore: cleanup + add tests

* chore: remove graph and show fixtures commands

* feat: add async_command wrapper

src/fastapi_toolsets/cli/app.py

@@ -1,97 +1,25 @@
 """Main CLI application."""
 
-import importlib.util
-import sys
-from pathlib import Path
-from typing import Annotated
-
 import typer
 
-from .commands import fixtures
+from .config import load_config
 
-app = typer.Typer(
-    name="fastapi-utils",
+cli = typer.Typer(
+    name="manager",
     help="CLI utilities for FastAPI projects.",
     no_args_is_help=True,
 )
 
-# Register built-in commands
-app.add_typer(fixtures.app, name="fixtures")
+_config = load_config()
+
+if _config.fixtures:
+    from .commands.fixtures import fixture_cli
+
+    cli.add_typer(fixture_cli, name="fixtures")
 
 
-def register_command(command: typer.Typer, name: str) -> None:
-    """Register a custom command group.
-
-    Args:
-        command: Typer app for the command group
-        name: Name for the command group
-
-    Example:
-        # In your project's cli.py:
-        import typer
-        from fastapi_toolsets.cli import app, register_command
-
-        my_commands = typer.Typer()
-
-        @my_commands.command()
-        def seed():
-            '''Seed the database.'''
-            ...
-
-        register_command(my_commands, "db")
-        # Now available as: fastapi-utils db seed
-    """
-    app.add_typer(command, name=name)
-
-
-@app.callback()
-def main(
-    ctx: typer.Context,
-    config: Annotated[
-        Path | None,
-        typer.Option(
-            "--config",
-            "-c",
-            help="Path to project config file (Python module with fixtures registry).",
-            envvar="FASTAPI_TOOLSETS_CONFIG",
-        ),
-    ] = None,
-) -> None:
+@cli.callback()
+def main(ctx: typer.Context) -> None:
     """FastAPI utilities CLI."""
     ctx.ensure_object(dict)
-
-    if config:
-        ctx.obj["config_path"] = config
-        # Load the config module
-        config_module = _load_module_from_path(config)
-        ctx.obj["config_module"] = config_module
-
-
-def _load_module_from_path(path: Path) -> object:
-    """Load a Python module from a file path.
-
-    Handles both absolute and relative imports by adding the config's
-    parent directory to sys.path temporarily.
-    """
-    path = path.resolve()
-
-    # Add the parent directory to sys.path to support relative imports
-    parent_dir = str(
-        path.parent.parent
-    )  # Go up two levels (e.g., from app/cli_config.py to project root)
-    if parent_dir not in sys.path:
-        sys.path.insert(0, parent_dir)
-
-    # Also add immediate parent for direct module imports
-    immediate_parent = str(path.parent)
-    if immediate_parent not in sys.path:
-        sys.path.insert(0, immediate_parent)
-
-    spec = importlib.util.spec_from_file_location("config", path)
-    if spec is None or spec.loader is None:
-        raise typer.BadParameter(f"Cannot load module from {path}")
-
-    module = importlib.util.module_from_spec(spec)
-    sys.modules["config"] = module
-    spec.loader.exec_module(module)
-    return module
+    ctx.obj["config"] = _config