Baixar PromptHub 0.4.8 per a Windows

修复 / Fixed
- 🪟 Windows 二次启动错误修复：修复 Windows 上 PromptHub 已运行时再次点击桌面图标，虽然能唤起主窗口但第二实例仍继续执行启动流程，最终报 loading file .../app.asar/out/renderer/index.html 失败的问题
- Windows Relauch Error Fix: Fixed the Windows case where launching PromptHub again while it was already running still let the second instance continue bootstrapping, causing a loading file .../app.asar/out/renderer/index.html startup error even though the main window was restored
- 🧭 自定义 Skill 商店源支持本地仓库路径：修复自定义商店源把 git-repo 和 local-dir 都错误限制为 HTTPS 地址的问题，现已支持本地 git 工作目录和 file:// 路径
- Local Repository Support for Custom Skill Stores: Fixed custom store source validation incorrectly forcing both git-repo and local-dir sources to use HTTPS URLs, and added support for local git working directories and file:// paths
- 🔄 本地 SKILL.md 手动修改后同步修复：新增从本地 repo 回写 Skill 元数据的同步链路，重新打开详情页时会先同步 SKILL.md 的最新内容、描述、作者、版本、标签和兼容性，再刷新预览与列表摘要
- Local SKILL.md Resync Fix: Added a repo-to-database sync path so reopening a Skill detail page now refreshes the latest SKILL.md content, description, author, version, tags, and compatibility before rendering the preview and list summary
- 🧱 Skill 白屏容错增强：为 Skill 详情页补上错误边界，并强化异常元数据清洗与预览渲染兜底，避免部分自定义导入 Skill 因格式脏数据直接把页面冲白
- Skill White Screen Hardening: Added an error boundary around the Skill detail page and hardened malformed metadata normalization plus preview rendering fallbacks, preventing custom-imported skills with dirty metadata from blanking the whole page
- 🧼 Skill 导入校验前移：将本地扫描、SKILL.md 导入和 JSON 导入统一接入主进程清洗逻辑，在入库前就修正脏字符串、非法标签和异常类别字段
- Skill Import Validation Tightening: Unified local scan, SKILL.md import, and JSON import behind a main-process sanitization step so dirty strings, invalid tags, and malformed category fields are cleaned before persistence
- 💾 备份导入格式统一：统一 prompthub-backup、prompthub-export 与旧裸 JSON 的恢复入口，修复“导出资料后无法重新导入”的问题
- Unified Backup Import Format: Unified restore handling for prompthub-backup, prompthub-export, and legacy raw JSON payloads, fixing cases where exported data could not be imported back
- ☁️ WebDAV Skill 同步修复：修复 WebDAV 增量/旧版全量同步遗漏 Skill 数据的问题，skills、skillVersions 与 skillFiles 现在会一起上传并统一恢复
- WebDAV Skill Sync Fix: Fixed WebDAV incremental and legacy full-sync flows dropping Skill data; skills, skillVersions, and skillFiles are now uploaded and restored together
- 📂 数据目录状态与迁移表达修复：设置页改为显示当前真实数据目录，并在迁移后明确提示“重启后切换到新目录”，避免把目标路径误显示为已生效路径
- Data Directory Status & Migration UX Fix: The settings page now shows the real active data directory and explicitly marks pending migrations as “switch after restart”, avoiding confusing staged paths with active ones
- 🪟 Windows 数据目录与升级路径修复：修复 Windows 自定义安装目录升级时数据目录与安装目录策略不一致的问题，并持久化安装目录供升级安装器恢复
- Windows Data Directory & Upgrade Path Fix: Fixed inconsistent data-directory behavior for custom Windows installs and persisted the install path so upgrade installers can recover it reliably
- ⌨️ 显示/隐藏应用快捷键修复：修复全局与局部 showApp 快捷键只能唤起窗口、无法再次隐藏的问题；现在可见时会隐藏，隐藏/最小化时会恢复并聚焦
- Show/Hide App Shortcut Fix: Fixed both global and local showApp shortcuts only bringing the window forward without hiding it again; visible windows now hide, while hidden or minimized windows restore and focus correctly
新功能 / Added
- 🗑️ 历史版本删除：支持删除 Prompt 与 Skill 的单条历史快照，验证通过后可以主动清理不再需要保留的旧版本记录
- Version History Deletion: Added per-entry deletion for both Prompt and Skill version history so users can clean up obsolete snapshots after validating changes
- 🌐 skills.sh 社区商店接入：社区商店现在会实时拉取 skills.sh 热门 Skill 榜单，并在卡片与详情中展示每周安装量、GitHub Star、商店页等信息，支持直接导入到 PromptHub
- skills.sh Community Store Integration: The community store now pulls the live skills.sh leaderboard, surfaces weekly installs, GitHub stars, and store-page metadata, and supports direct import into PromptHub
- 🤖 AI 工作台实装：最新 AI 配置界面已接入真实模型管理、端点编辑、连接测试和场景默认模型选择，Quick Add、Prompt 测试、生图测试与翻译链路都会按场景默认模型执行
- AI Workbench Implementation: The latest AI settings UI now drives real model management, endpoint editing, connectivity tests, and scenario-based default model selection for Quick Add, prompt testing, image testing, and translation
优化 / Improvements
- 🚀 大规模 Skill 列表性能优化：针对本地数百个 Skill 的场景，列表与画廊视图改为分批渲染，并将分发状态检测延后到空闲时执行，降低首次进入页面时的卡顿
- Large Skill Library Performance: For libraries with hundreds of local skills, list and gallery views now render progressively in batches, while deployment status checks are deferred to idle time to reduce first-load jank
- 🧠 列表状态缓存与视口级渲染优化：Skill 列表平台状态增加缓存，避免分批渲染时重复查询；同时在列表行和画廊卡片启用 content-visibility，降低视口外内容的渲染开销
- Status Cache and Viewport Rendering Improvements: Added cached platform install status for Skill lists to avoid repeated batch checks during progressive rendering, and enabled content-visibility on rows and gallery cards to cut offscreen rendering cost
- 🧪 备份/同步测试矩阵补强：补齐本地备份恢复、WebDAV 旧版/增量同步、Skill 版本文件恢复与多语言 smoke 的自动回归
- Backup/Sync Test Matrix Expansion: Added automated regression coverage for local backup restore, WebDAV legacy/incremental sync, Skill version file restore, and multilingual smoke tests
- 📚 发版文档同步到 v0.4.8：更新 CHANGELOG、README 与英文 README，补齐备份、WebDAV、数据目录、性能与测试相关说明
- Release Docs Synced to v0.4.8: Updated the changelog, README, and English README with the latest backup, WebDAV, data-directory, performance, and testing notes