refactor: 重命名 agent_chat 模块为 agent

backend/src/core/agent/tools/__init__.py

@@ -0,0 +1 @@
+from __future__ import annotations

backend/src/core/agent/tools/asr_fun_asr.py

@@ -0,0 +1,40 @@
+from __future__ import annotations
+
+import importlib
+from collections.abc import Callable
+from typing import Any
+
+
+TranscribeCallable = Callable[..., dict[str, Any]]
+
+
+class FunASRTool:
+    _transcribe_callable: TranscribeCallable
+    _model: str
+
+    def __init__(
+        self,
+        transcribe_callable: TranscribeCallable | None = None,
+        model: str = "fun-asr-realtime-2025-11-07",
+    ) -> None:
+        self._transcribe_callable = transcribe_callable or self._dashscope_transcribe
+        self._model = model
+
+    def transcribe(self, *, audio_bytes: bytes, filename: str) -> dict[str, Any]:
+        payload = self._transcribe_callable(audio_bytes=audio_bytes, filename=filename)
+        return {
+            "model": self._model,
+            **payload,
+        }
+
+    def _dashscope_transcribe(
+        self, *, audio_bytes: bytes, filename: str
+    ) -> dict[str, Any]:
+        try:
+            importlib.import_module("dashscope")
+        except ImportError as exc:
+            raise RuntimeError("DashScope SDK is not installed") from exc
+
+        raise RuntimeError(
+            "DashScope transcribe runtime integration is not configured yet"
+        )