feat: add plugin runtime and cross-device task orchestration

artemis/mcp/observation.py

@@ -88,6 +88,22 @@ async def observe(
         device_data = await asyncio.wait_for(
             controller.get_screen_data(), timeout=settings.ARTEMIS_OBSERVATION_TIMEOUT_SECONDS
         )
+        if getattr(device_data, "platform", "android") == "computer":
+            screenshot = base64.b64decode(device_data.base64) if device_data.base64 else None
+            path = None
+            if screenshot and ctx.data_engine:
+                path = str(
+                    ctx.data_engine.get_image_path(ctx.data_engine.get_or_create_image(screenshot))
+                )
+            return ObserveResult(
+                ok=True,
+                message="已读取电脑插件观察结果",
+                screenshot_path=path,
+                width=device_data.width,
+                height=device_data.height,
+                elements_text=device_data.observation_text,
+                hierarchy_ok=True,
+            ), screenshot
         screenshot_bytes = base64.b64decode(device_data.base64)
         with Image.open(BytesIO(screenshot_bytes)) as image:
             if min(image.size) <= 1: