feat(viewer): embed carousel iframe with visibility pause
P4b Task 4:宿主 loader 以 iframe 载入的轮播页(/embed/:slotToken,裸布局)。 - src/embed/feed.ts:纯函数集——A22 旧响应裁决(dispatch seq + configVersion 双闸:过期/回看丢弃、等值差分合并、升值全量重置)、照片队列差分(新照片 追加队尾、缺席淘汰、thumb 签名刷新)、interval/高度夹取、轮询退避; - src/embed/useEmbedFeed.ts:取数编排(If-None-Match → 304 零处理)、轮询 (查询 interval 覆盖 → EMBED_POLL_INTERVAL_MS,连续 5 失败 ×5 退避,成功 归零;404/410 静默 collapse 隐藏自身)、A23 不可见暂停(document 隐藏 + IntersectionObserver 滚出视口 + 本地收起;恢复立即校准)、轮播 intervalMs 切换;__embedPollMs e2e 注入点; - src/embed/postMessage.ts:上行 resize/collapse(referrer origin 收敛,缺失 退 '*'——载荷无敏感数据,宿主侧 loader source+origin 双校验)、下行 expand (event.source === window.parent 白名单); - EmbedPage.vue:交叉淡入淡出(仅 thumb 小图省流量)、点击 window.open 单图 深链(noopener)、计数圆点、「照片即将上线」空态卡、×收起;lang 查询 (auto→相册 defaultLocale)驱动嵌入词条子集; - api client:fetchPublicEmbedSlot(304/ETag 分支,不走 apiRequest); - e2e:宿主夹具页 public/__test__/embed-host.html(仅测试资产)+ embed.spec 7 用例(轮换/新标签深链/收起记忆/窄屏 sm/轮询增量/换绑重置/空态/幽灵槽); helpers 增展示位 admin API 种子 + flushOutbox; - vitest 18 用例(裁决矩阵/队列差分/夹取/退避/304/可见性状态机)。 配套修正:api CORS exposedHeaders ETag(跨源浏览器可读,304 语义成立); contracts 新增浏览器安全子路径 ./constants(根出口 re-export internal-sync 的 node:crypto 会打进浏览器包);eslint ignore embed-loader 产物拷贝 (Task 3 起 viewer lint 红,先修)。 Co-Authored-By: Claude Code <noreply@anthropic.com>
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@@ -3,7 +3,7 @@
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"version": "0.1.0",
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"private": true,
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"type": "module",
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"description": "API contract single source of truth (OpenAPI 3.1 + error codes); types generated via openapi-typescript and committed under src/generated/",
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"description": "API contract single source of truth (OpenAPI 3.1 + error codes); types generated via openapi-typescript and committed under src/generated/. Subpath ./constants is the browser-safe entry (root index re-exports internal-sync with node:crypto — browser apps like viewer's embed page must import constants from there).",
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"//": "lint runs `eslint .` against the root flat config (Task 7). test is ts-jest with full type-checking (Task 6 type tests).",
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"main": "./dist/index.js",
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"types": "./dist/index.d.ts",
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@@ -12,6 +12,10 @@
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"types": "./dist/index.d.ts",
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"default": "./dist/index.js"
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},
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"./constants": {
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"types": "./dist/constants.d.ts",
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"default": "./dist/constants.js"
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},
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"./realtime": {
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"types": "./dist/realtime.d.ts",
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"default": "./dist/realtime.js"
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