修改了nanobot，往Hermes agent的风格走，进度1/3

app-instance/backend/beaver/interfaces/cli/__init__.py

@@ -0,0 +1,2 @@
+"""CLI interface."""
+

app-instance/backend/beaver/interfaces/cli/main.py

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+"""CLI entry for Beaver."""
+
+try:
+    import typer
+except ModuleNotFoundError:  # pragma: no cover - fallback for skeleton-only environments
+    class _FallbackTyper:
+        def __init__(self, *_args, **_kwargs) -> None:
+            pass
+
+        def command(self):
+            def decorator(func):
+                return func
+
+            return decorator
+
+        def __call__(self) -> None:
+            raise RuntimeError("typer is not installed")
+
+        @staticmethod
+        def echo(message: str) -> None:
+            print(message)
+
+        @staticmethod
+        def Option(default=None, *_args, **_kwargs):
+            return default
+
+    typer = _FallbackTyper()  # type: ignore[assignment]
+
+from beaver.services.agent_service import AgentService
+
+app = typer.Typer(help="Beaver backend CLI") if hasattr(typer, "Typer") else typer
+
+
+@app.command()
+def run(
+    message: str | None = typer.Option(None, "--message", "-m", help="Run one direct Beaver request."),
+    workspace: str | None = typer.Option(None, "--workspace", help="Workspace root for this run."),
+) -> None:
+    """Thin CLI wrapper around AgentService.
+
+    CLI 现在不再自己维护执行逻辑，只负责：
+    1. 解析命令行参数
+    2. 调 AgentService
+    3. 打印结果
+    """
+
+    service = AgentService(workspace=workspace)
+    if not message:
+        service.create_loop()
+        typer.echo("Beaver engine booted.")
+        return
+
+    result = service.run_direct(message, source="cli")
+    typer.echo(result.output_text)
+
+
+def main() -> None:
+    """Project script entrypoint."""
+    app()