feat: MCP 工具补全（9→18）——de_open_app(adb monkey 直启，省 token)/de_stop_app/de_foreground_app/de_type_text(中文直接输入)/de_set_clipboard/de_sleep/de_ocr(屏幕文字识别)/de_list_apps/de_list_tasks；direct_ops 直连封装（adb/u2/OCR/剪贴板轻量通道）

mcp_server/mcp_server.py

@@ -273,6 +273,156 @@ def de_press_key(serial: str, key: str) -> dict:
     return _ok({"action": "press_key", "serial": serial, "key": key})
 
 
+# ================== L2 扩展工具（轻量通道：adb/u2 直连，省 token） ==================
+@mcp.tool()
+def de_open_app(serial: str, package: str) -> dict:
+    """打开 App（adb monkey 直启，最快路径）。package 为应用包名，如 com.ss.android.ugc.aweme。"""
+    try:
+        _check_write()
+        serial = _check_serial(serial)
+        if not package:
+            raise PlatformError("invalid_param", "缺少包名")
+        from mcp_server import direct_ops
+        direct_ops.open_app(serial, package)
+    except PlatformError as e:
+        return _err(e)
+    except Exception as e:
+        return _err(PlatformError("platform_unavailable", f"打开失败: {str(e)[:100]}"))
+    audit.audit("de_open_app", serial, package, "ok")
+    return _ok({"action": "open_app", "package": package})
+
+
+@mcp.tool()
+def de_stop_app(serial: str, package: str) -> dict:
+    """强制停止 App（am force-stop）。"""
+    try:
+        _check_write()
+        serial = _check_serial(serial)
+        if not package:
+            raise PlatformError("invalid_param", "缺少包名")
+        from mcp_server import direct_ops
+        direct_ops.stop_app(serial, package)
+    except PlatformError as e:
+        return _err(e)
+    except Exception as e:
+        return _err(PlatformError("platform_unavailable", f"停止失败: {str(e)[:100]}"))
+    audit.audit("de_stop_app", serial, package, "ok")
+    return _ok({"action": "stop_app", "package": package})
+
+
+@mcp.tool()
+def de_foreground_app(serial: str) -> dict:
+    """查询设备当前前台运行的 App 包名（轻量 dumpsys，不打扰设备）。"""
+    try:
+        serial = _check_serial(serial)
+        from mcp_server import direct_ops
+        pkg = direct_ops.foreground_app(serial)
+    except PlatformError as e:
+        return _err(e)
+    except Exception as e:
+        return _err(PlatformError("platform_unavailable", f"查询失败: {str(e)[:100]}"))
+    audit.audit("de_foreground_app", serial, "", pkg or "未知")
+    return _ok({"foreground_app": pkg or ""})
+
+
+@mcp.tool()
+def de_type_text(serial: str, text: str) -> dict:
+    """向设备当前输入框输入文字（支持中文，直接 set_text 不依赖剪贴板）。"""
+    try:
+        _check_write()
+        serial = _check_serial(serial)
+        if not text:
+            raise PlatformError("invalid_param", "内容为空")
+        from mcp_server import direct_ops
+        ok, msg = direct_ops.type_text(serial, text)
+        if not ok:
+            raise PlatformError("device_offline", msg)
+    except PlatformError as e:
+        return _err(e)
+    except Exception as e:
+        return _err(PlatformError("platform_unavailable", f"输入失败: {str(e)[:100]}"))
+    audit.audit("de_type_text", serial, f"{text[:30]}...", "ok")
+    return _ok({"action": "type_text"})
+
+
+@mcp.tool()
+def de_set_clipboard(serial: str, text: str) -> dict:
+    """写入设备剪贴板（ClipInject 通道，读回验证）。"""
+    try:
+        _check_write()
+        serial = _check_serial(serial)
+        if not text:
+            raise PlatformError("invalid_param", "内容为空")
+        from mcp_server import direct_ops
+        ok, msg = direct_ops.set_clipboard(serial, text)
+        if not ok:
+            raise PlatformError("device_offline", msg)
+    except PlatformError as e:
+        return _err(e)
+    except Exception as e:
+        return _err(PlatformError("platform_unavailable", f"注入失败: {str(e)[:100]}"))
+    audit.audit("de_set_clipboard", serial, f"{text[:30]}...", "ok")
+    return _ok({"action": "set_clipboard"})
+
+
+@mcp.tool()
+def de_sleep(serial: str) -> dict:
+    """熄灭设备屏幕（运行中任务会中断，慎用）。"""
+    try:
+        _check_write()
+        serial = _check_serial(serial)
+        platform().sleep(serial)
+    except PlatformError as e:
+        return _err(e)
+    audit.audit("de_sleep", serial, "", "ok")
+    return _ok({"action": "sleep"})
+
+
+@mcp.tool()
+def de_ocr(serial: str) -> dict:
+    """OCR 识别当前屏幕文字（图片/画布/WebView 里 UI 树没有的文字也能识别）。
+
+    返回 [{text, score}]——搜屏幕关键词后可配合 de_tap_element/de_tap 操作。
+    """
+    try:
+        serial = _check_serial(serial)
+        from mcp_server import direct_ops
+        results = direct_ops.ocr(serial)
+    except PlatformError as e:
+        return _err(e)
+    except Exception as e:
+        return _err(PlatformError("platform_unavailable", f"OCR 失败: {str(e)[:100]}"))
+    slim = [{"text": r["text"], "score": round(r["score"], 2)} for r in results]
+    audit.audit("de_ocr", serial, "", f"{len(slim)} 条")
+    return _ok({"count": len(slim), "texts": slim[:100]})
+
+
+@mcp.tool()
+def de_list_apps(serial: str, keyword: str = "") -> dict:
+    """列出设备第三方已装应用包名（可关键词过滤，如 keyword='douyin' 找抖音）。"""
+    try:
+        serial = _check_serial(serial)
+        from mcp_server import direct_ops
+        pkgs = direct_ops.list_apps(serial, keyword)
+    except PlatformError as e:
+        return _err(e)
+    except Exception as e:
+        return _err(PlatformError("platform_unavailable", f"查询失败: {str(e)[:100]}"))
+    audit.audit("de_list_apps", serial, keyword or "", f"{len(pkgs)} 个")
+    return _ok({"count": len(pkgs), "packages": pkgs[:200]})
+
+
+@mcp.tool()
+def de_list_tasks() -> dict:
+    """列出平台任务计划（名称/启用状态/调度），供了解可自动化的任务。"""
+    try:
+        tasks = platform().list_tasks()
+    except PlatformError as e:
+        return _err(e)
+    audit.audit("de_list_tasks", "", "", f"{len(tasks)} 个")
+    return _ok({"tasks": tasks})
+
+
 def main():
     _log.info("MCP mobile-control 启动: allow_write=%s port=%s",
               S.allow_write, S.http_port)