feat: P2 - QTE system, subtitles, save thumbnails
- QTESystem: trigger detection via timeupdate, multi-key matching, timeout handling - QTEOverlay: SVG countdown ring + key prompts + success/fail animation - Engine: integrate QTE (timeupdate check, conditional branching, effect application) - Subtitles: WebVTT parsing + synchronized subtitle rendering - GamePlayer: overlay QTE and subtitle components - SaveSystem: DB v2 with thumbnail field, canvas snapshot at 320x180 JPEG - SaveLoadMenu: thumbnail preview for save slots - VideoManager: getActiveVideoElement() for canvas capture - App.vue: QTE/subtitle integration, thumbnail capture on save - stores: QTE state management, save list with thumbnails - demo.json: QTE scene (right_door), subtitles, new event types - ROADMAP: mark P2 as completed
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ROADMAP.md
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ROADMAP.md
@@ -154,14 +154,18 @@ interface SaveData {
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- [x] `src/App.vue` — 整合 SaveLoadMenu、双 video、计时器
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- [x] 验证:条件分支走通,存档读档正常,视频切换交叉淡化
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### P2 进阶 — QTE + 字幕 + 多存档槽(1 周)
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### P2 进阶 — QTE + 字幕 + 多存档槽(1 周)✅ 已完成 2026-06-07
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- [ ] `engine/systems/QTESystem.ts` — QTE 触发、键盘监听、超时判定
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- [ ] `src/components/QTEOverlay.vue` — QTE 视觉遮罩(按键提示 + 倒计时环)
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- [ ] `src/components/Subtitles.vue` — WebVTT 解析 + 字幕渲染
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- [ ] 多存档槽位 + 存档缩略图(canvas 截图当前视频帧)
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- [ ] `engine/core/Engine.ts` — 完整事件总线(sceneChange, choiceMade, qteTriggered 等)
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- [ ] 验证:QTE 正常触发与判定,字幕同步,多存档正常工作
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- [x] `engine/systems/QTESystem.ts` — QTE 触发、键盘监听(支持多键匹配)、超时判定
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- [x] `src/components/QTEOverlay.vue` — SVG 倒计时环 + 按键提示 + 成功/失败动画
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- [x] `src/components/Subtitles.vue` — WebVTT 解析 + 字幕同步渲染
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- [x] `engine/core/Engine.ts` — 集成 QTE(timeupdate 检测 + 条件跳转 + 效果应用)
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- [x] 多存档槽位 + 存档缩略图(canvas 截图当前视频帧,320x180 JPEG)
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- [x] `engine/core/VideoManager.ts` — 新增 `getActiveVideoElement()` 供截图
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- [x] `engine/systems/SaveSystem.ts` — DB 版本升级 v2(支持 thumbnail 字段)
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- [x] `src/components/SaveLoadMenu.vue` — 存档缩略图预览
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- [x] 完整事件总线(sceneChange, choiceRequest, choiceTimer, choiceTimeout, videoEnd, qteTrigger, qteTimer, qteResult, gameEnd)
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- [x] 验证:QTE 正常触发与判定(ArrowLeft/ArrowRight/A/D 躲石块),字幕同步,存档缩略图正常
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### P3 编辑器 — 可视化剧情编辑(2-3 周)
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