debug(danding_api): 列出所有相关环境变量排查token加载

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

danding_bot/plugins/danding_api/utils.py

@@ -9,7 +9,18 @@ plugin_config = get_plugin_config(Config)
 
 # get_plugin_config 不一定读取环境变量，手动兜底
 if not plugin_config.Token:
-    plugin_config.Token = os.environ.get("DANDING_API_TOKEN", "")
+    plugin_config.Token = (
+        os.environ.get("DANDING_API_TOKEN")
+        or os.environ.get("danding_api_token")
+        or os.environ.get("TOKEN")
+        or os.environ.get("token")
+        or ""
+    )
+    logger.debug(f"Token loaded from env: '{plugin_config.Token}'")
+    # 列出所有 DANDING 相关的环境变量
+    for k, v in os.environ.items():
+        if "DANDING" in k.upper() or "TOKEN" in k.upper():
+            logger.debug(f"ENV: {k}={v}")
 if not plugin_config.EMAIL_PASSWORD:
     plugin_config.EMAIL_PASSWORD = os.environ.get("DANDING_EMAIL_PASSWORD", "")
 router:dict = {