fix: 添加 JWT type 字段修复 SSO token 联调验证

plm/sso

@@ -109,6 +109,7 @@ def create_access_token(user: dict) -> str:
         "sub": str(user["id"]),
         "username": user["username"],
         "role": user.get("role", "visitor"),
+        "type": "access",  # JWT 类型标识（修复：auth/me 期望此字段）
         "exp": expire,
         "iat": datetime.utcnow()
     }