v6.1.0

新增 / New

• 自定义 AI 翻译服务（OpenAI 兼容接口），内置 200+ 服务商预设（DeepSeek、OpenRouter、硅基流动、Moonshot、阿里百炼、豆包、Anthropic、Gemini、Ollama 等），选择服务商 + 输入 API Key 自动读取模型列表
  Custom OpenAI-compatible AI translation provider with 200+ built-in service presets (DeepSeek, OpenRouter, SiliconFlow, Moonshot, Alibaba Bailian, Doubao, Anthropic, Gemini, Ollama, ...). Pick a preset, enter its API key and the model list loads automatically.
• 支持手动 "+" 添加模型 / Manually add models with the "+" button.

改进 / Improvements

• 阿里百炼兼容：自动去掉 system 角色限制、max_tokens 动态计算（256-3072）、Coding Plan / Token Plan 专属 Key 自动识别端点与套餐模型
  Alibaba Bailian compatibility: system-role-free prompts, dynamic max_tokens (256-3072), auto-detection of Coding Plan / Token Plan keys with fixed package model lists.
• 修复模型列表不刷新：每个服务商独立防抖、Key/端点变更强制刷新、发送区与聊天区拉取逻辑统一
  Fixed model list refresh: per-provider debounce timers, forced refresh on key/endpoint changes, unified chat & send fetch logic.
• 模型切换即时生效并输出确认日志 / Model switches take effect immediately with confirmation logs.
• 热键事件触发 Windows 原生气泡提醒并记录日志 / Hotkey events now trigger native Windows balloon toasts with logging.

修复 / Fixes

• 翻译错误体透传（400/401 真实原因写入日志）、批量翻译回退
  Translation error bodies are passed through (real 400/401 reasons in logs); batch translation fallback.