完成请求推送，但组装mes还有问题

backend/api/routes/imageGalleryRoute.py

@@ -0,0 +1,140 @@
+"""
+图片画廊路由
+
+提供图片查询、删除等管理接口
+"""
+from fastapi import APIRouter, HTTPException
+from typing import Dict, Any, List, Optional
+import os
+
+try:
+    from backend.services.image_metadata_service import image_metadata_service
+except ImportError:
+    from services.image_metadata_service import image_metadata_service
+
+router = APIRouter(prefix="/image-gallery", tags=["image-gallery"])
+
+
+@router.get("/stats")
+async def get_gallery_stats():
+    """获取画廊统计信息"""
+    return await image_metadata_service.get_gallery_stats()
+
+
+@router.get("/images/{chat_id}")
+async def get_chat_images(
+    chat_id: str,
+    floor: Optional[int] = None
+):
+    """
+    获取指定聊天的图片列表
+    
+    Args:
+        chat_id: 聊天ID (role_name/chat_name)
+        floor: 楼层号（可选）
+    """
+    images = await image_metadata_service.get_images_by_chat(chat_id, floor)
+    return {
+        "chatId": chat_id,
+        "totalImages": len(images),
+        "images": [img.model_dump() for img in images]
+    }
+
+
+@router.get("/images/role/{role_name}")
+async def get_role_images(role_name: str):
+    """获取指定角色的所有图片"""
+    images = await image_metadata_service.get_images_by_role(role_name)
+    return {
+        "roleName": role_name,
+        "totalImages": len(images),
+        "images": [img.model_dump() for img in images]
+    }
+
+
+@router.delete("/images/{chat_id}/{image_id}")
+async def delete_image(chat_id: str, image_id: str):
+    """
+    删除图片（元数据和文件）
+    
+    Args:
+        chat_id: 聊天ID
+        image_id: 图片ID
+    """
+    # 先获取元数据以得到文件路径
+    images = await image_metadata_service.get_images_by_chat(chat_id)
+    target_image = None
+    for img in images:
+        if img.id == image_id:
+            target_image = img
+            break
+    
+    if not target_image:
+        raise HTTPException(status_code=404, detail="图片不存在")
+    
+    # 删除元数据
+    success = await image_metadata_service.delete_image(chat_id, image_id)
+    
+    if not success:
+        raise HTTPException(status_code=500, detail="删除失败")
+    
+    # 删除实际文件
+    try:
+        file_path = image_metadata_service.get_image_full_path(target_image.filepath)
+        if file_path.exists():
+            file_path.unlink()
+    except Exception as e:
+        print(f"[ImageGallery] 删除文件失败: {e}")
+        # 不抛出异常，因为元数据已删除
+    
+    return {"message": "图片已删除"}
+
+
+@router.post("/images/{chat_id}/clear")
+async def clear_chat_images(chat_id: str):
+    """
+    清空指定聊天的所有图片
+    
+    Args:
+        chat_id: 聊天ID
+    """
+    count = await image_metadata_service.clear_chat_images(chat_id)
+    return {
+        "message": f"已清空 {count} 张图片",
+        "deletedCount": count
+    }
+
+
+@router.post("/images/{chat_id}/{image_id}/set-current")
+async def set_current_swipe(chat_id: str, image_id: str):
+    """
+    设置某张图片为当前显示的 swipe
+    
+    Args:
+        chat_id: 聊天ID
+        image_id: 图片ID
+    """
+    success = await image_metadata_service.set_current_swipe(chat_id, image_id)
+    
+    if not success:
+        raise HTTPException(status_code=404, detail="图片不存在")
+    
+    return {"message": "已设置为当前显示"}
+
+
+@router.get("/image/{filepath:path}")
+async def get_image(filepath: str):
+    """
+    获取图片文件
+    
+    Args:
+        filepath: 文件相对路径
+    """
+    from fastapi.responses import FileResponse
+    
+    file_path = image_metadata_service.get_image_full_path(filepath)
+    
+    if not file_path.exists():
+        raise HTTPException(status_code=404, detail="图片文件不存在")
+    
+    return FileResponse(str(file_path))