feat: add snapshot mcp tool (#1196)

* use main task to execute tool calls

* feat: add snapshot mcp tool

* fix compiling errors

* 取消 audio input 的 pin core，core1留给显示，可能会对aec性能有影响

* update ml307 version

* remove v1 theme colors

main/display/lvgl_display/lvgl_image.h

@@ -39,4 +39,15 @@ public:
 
 private:
     const lv_img_dsc_t* image_dsc_;
+};
+
+class LvglAllocatedImage : public LvglImage {
+public:
+    LvglAllocatedImage(void* data, size_t size);
+    LvglAllocatedImage(void* data, size_t size, int width, int height, int stride, int color_format);
+    virtual ~LvglAllocatedImage();
+    virtual const lv_img_dsc_t* image_dsc() const override { return &image_dsc_; }
+
+private:
+    lv_img_dsc_t image_dsc_;
 };