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图片预览即时显示并按屏幕加载高清 #38

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WuYongJie merged 1 commits from codex/image-preview-latency-20261105 into main 2026-11-05 10:53:57 +08:00
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WuYongJie commented 2026-11-05 10:53:53 +08:00
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点击聊天图片或双击画布图片时，立即复用已加载的图片显示预览；按图片比例、视口及屏幕密度加载高清版本，完成后自动替换。高清失败时保留当前图片并提供重试或下载建议，原图下载继续使用原文件。

验证：744 项辅助测试通过、1 项跳过；TypeScript 和变更文件 Biome 通过。真实浏览器延迟高清响应 32 秒，预览首图约 67 ms 显示，约 32 秒自动切换高清；503 场景保留已加载图片并提示。日志、测试及凭据检查通过。

本次修复预览的空白等待与过量图片传输；当前没有稳定复现反馈中的全部 30 秒网络耗时。

点击聊天图片或双击画布图片时，立即复用已加载的图片显示预览；按图片比例、视口及屏幕密度加载高清版本，完成后自动替换。高清失败时保留当前图片并提供重试或下载建议，原图下载继续使用原文件。 验证：744 项辅助测试通过、1 项跳过；TypeScript 和变更文件 Biome 通过。真实浏览器延迟高清响应 32 秒，预览首图约 67 ms 显示，约 32 秒自动切换高清；503 场景保留已加载图片并提示。日志、测试及凭据检查通过。 本次修复预览的空白等待与过量图片传输；当前没有稳定复现反馈中的全部 30 秒网络耗时。
WuYongJie added 1 commit 2026-11-05 10:53:54 +08:00
WuYongJie merged commit dfaeb9f09d into main 2026-11-05 10:53:57 +08:00
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Reference: lunanting/ai-chatbot#38
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