fix(danding_api): 修复配置未从环境变量读取导致API鉴权失败

Token 和 EMAIL_PASSWORD 字段缺少 Field(env=...) 声明，
导致 .env 中的 DANDING_API_TOKEN 始终无法被读取，
后端 API 返回"你没有权限这样做"。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

danding_bot/plugins/danding_api/config.py

@@ -1,5 +1,5 @@
 import os
-from pydantic import BaseModel
+from pydantic import BaseModel, Field
 
 
 class Config(BaseModel):
@@ -15,7 +15,7 @@ class Config(BaseModel):
 查看日志: 查看当前QQ号绑定日志；
 """
 
-    Token:str = ""  # 从环境变量 DANDING_API_TOKEN 读取
+    Token:str = Field(default="", env="DANDING_API_TOKEN")
     """对接服务器的Token"""
 
     DDApi_Host:str = "https://api.danding.vip/DD/" # https://api.danding.vip/DD/   http://192.168.5.11:8002/DD/
@@ -26,4 +26,4 @@ class Config(BaseModel):
     EMAIL_LOGIN: str = "https://pmail.danding.vip/api/login"
     EMAIL_USER: str = "admin"
     EMAIL_FROM: str = "admin@danding.vip"
-    EMAIL_PASSWORD: str = ""  # 从环境变量 DANDING_EMAIL_PASSWORD 读取
+    EMAIL_PASSWORD: str = Field(default="", env="DANDING_EMAIL_PASSWORD")