refactor: modularize CLI commands

src/seedpass/cli/api.py

@@ -0,0 +1,32 @@
+from __future__ import annotations
+
+import typer
+import uvicorn
+
+from .. import api as api_module
+
+
+app = typer.Typer(help="Run the API server")
+
+
+@app.command("start")
+def api_start(ctx: typer.Context, host: str = "127.0.0.1", port: int = 8000) -> None:
+    """Start the SeedPass API server."""
+    token = api_module.start_server(ctx.obj.get("fingerprint"))
+    typer.echo(f"API token: {token}")
+    uvicorn.run(api_module.app, host=host, port=port)
+
+
+@app.command("stop")
+def api_stop(ctx: typer.Context, host: str = "127.0.0.1", port: int = 8000) -> None:
+    """Stop the SeedPass API server."""
+    import requests
+
+    try:
+        requests.post(
+            f"http://{host}:{port}/api/v1/shutdown",
+            headers={"Authorization": f"Bearer {api_module._token}"},
+            timeout=2,
+        )
+    except Exception as exc:  # pragma: no cover - best effort
+        typer.echo(f"Failed to stop server: {exc}")