feat: migrate legacy mcp config

src/wf_cli/commands/config.py

@@ -0,0 +1,40 @@
+from __future__ import annotations
+
+from pathlib import Path
+from typing import Annotated
+
+import typer
+
+from wf_mcp.broker.config import migrate_broker_config_file
+
+from wf_cli.io import emit_json
+
+app = typer.Typer(
+    name="config",
+    help="Inspect and migrate workflow config files.",
+    no_args_is_help=True,
+)
+
+
+@app.command("migrate-mcp")
+def migrate_mcp_config(
+    input_path: Annotated[
+        Path,
+        typer.Argument(help="Legacy wf_mcp.config.json path."),
+    ],
+    output_path: Annotated[
+        Path | None,
+        typer.Option("--output", help="Write neutral workflow config JSON here."),
+    ] = None,
+) -> None:
+    """Convert legacy MCP broker config into neutral workflow config."""
+    config = migrate_broker_config_file(input_path)
+    payload = config.model_dump(mode="json")
+    if output_path is None:
+        emit_json(payload)
+        return
+    output_path.write_text(
+        config.model_dump_json(indent=2),
+        encoding="utf-8",
+    )
+    emit_json({"status": "written", "path": str(output_path)})