- feat: add local quota tracking for gemini tiers (Legacy/Pro/Ultra) - feat: implement PreCheckUsage in RateLimitService - feat: align gemini daily reset window with PST - fix: sticky session fallback logic
调整原因: - 防止高并发下出现 "too many open files" 错误 - 统一测试与生产环境的 ulimits 配置 改动内容: - 为 sub2api、postgres、redis 设置 nofile - 软硬限制均为 100000 测试: 未运行