v1.0.4

What's New

• Full LLM provider configuration UI — Settings now expose Base URL, API Key, and Model ID for all translation providers
• Model preset dropdown — Per-provider preset model lists with 28 providers covered (OpenAI, DeepSeek, Anthropic, Gemini, etc.)
• Custom model support — Select "自定义" from the dropdown to enter any model ID
• Unit tests — Added tests for preset model coverage and custom model resolution

Full Changelog: v1.0.3...v1.0.4