完成请求推送，但组装mes还有问题

backend/api/routes/tokenUsageRoute.py

@@ -0,0 +1,130 @@
+"""
+Token 使用统计路由
+
+提供 token 使用情况的查询接口
+"""
+from fastapi import APIRouter, HTTPException
+from typing import Dict, Any, List, Optional
+
+try:
+    from backend.services.token_usage_service import token_usage_service
+except ImportError:
+    from services.token_usage_service import token_usage_service
+
+router = APIRouter(prefix="/token-usage", tags=["token-usage"])
+
+
+@router.get("/months")
+async def list_months():
+    """列出所有有数据的月份"""
+    return await token_usage_service.list_months()
+
+
+@router.get("/stats/{year}/{month}")
+async def get_monthly_stats(
+    year: int,
+    month: int,
+    role_name: Optional[str] = None,
+    chat_name: Optional[str] = None
+):
+    """
+    获取指定月份的统计数据
+    
+    Args:
+        year: 年份
+        month: 月份
+        role_name: 角色名称（可选）
+        chat_name: 聊天名称（可选）
+    """
+    if month < 1 or month > 12:
+        raise HTTPException(status_code=400, detail="月份必须在 1-12 之间")
+    
+    try:
+        stats = await token_usage_service.get_stats_by_month(
+            year=year,
+            month=month,
+            role_name=role_name,
+            chat_name=chat_name
+        )
+        return stats
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"获取统计数据失败: {str(e)}")
+
+
+@router.get("/api-urls")
+async def get_api_url_stats():
+    """
+    ✅ 获取按 API URL 分组的统计数据（快速查询）
+    
+    Returns:
+        {
+            "api_url_1": {
+                "totalPromptTokens": 1000,
+                "totalCompletionTokens": 2000,
+                "totalTokens": 3000,
+                "count": 10,
+                "firstUsed": 1234567890,
+                "lastUsed": 1234567899
+            },
+            ...
+        }
+    """
+    try:
+        stats = await token_usage_service.get_api_url_stats()
+        return stats
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"获取 API URL 统计失败: {str(e)}")
+
+
+@router.get("/daily/{year}/{month}")
+async def get_daily_stats(year: int, month: int):
+    """
+    ✅ 获取指定月份的每日统计数据（快速查询）
+    
+    Args:
+        year: 年份
+        month: 月份
+        
+    Returns:
+        {
+            "2024-01-01": {
+                "promptTokens": 1000,
+                "completionTokens": 2000,
+                "totalTokens": 3000,
+                "count": 10
+            },
+            ...
+        }
+    """
+    if month < 1 or month > 12:
+        raise HTTPException(status_code=400, detail="月份必须在 1-12 之间")
+    
+    try:
+        stats = await token_usage_service.get_daily_stats(year, month)
+        return stats
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"获取每日统计失败: {str(e)}")
+
+
+@router.get("/roles/{year}/{month}")
+async def get_available_roles(year: int, month: int):
+    """获取指定月份有数据的角色列表"""
+    if month < 1 or month > 12:
+        raise HTTPException(status_code=400, detail="月份必须在 1-12 之间")
+    
+    roles = await token_usage_service.get_available_roles(year, month)
+    return {"roles": roles}
+
+
+@router.get("/chats/{year}/{month}")
+async def get_available_chats(
+    year: int,
+    month: int,
+    role_name: Optional[str] = None
+):
+    """获取指定月份有数据的聊天列表"""
+    if month < 1 or month > 12:
+        raise HTTPException(status_code=400, detail="月份必须在 1-12 之间")
+    
+    chats = await token_usage_service.get_available_chats(year, month, role_name)
+    return {"chats": chats}