docs: record STEP-053 final validation
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# STEP-053 Windy-style Field 与 Host Submission 最终完成报告
## 最终状态
`STEP-053 = CLOSED / PASS`
- Starting HEAD:`c188d6b59006c3010bd80676c2f021795535fdda`
- 分支:`particle/main`
- 本任务性质:纯文档最终收尾。
- 功能代码修改:否。
Android Host Submission 综合验收已由用户手工完成。本报告不将用户正式风场数据集未提供误写成失败:STEP-053 的目标是 canonical Host→MapLibre submission contract,该 contract 已由本地 canonical dataset 驱动实际 Core、Runtime 与 GPU Renderer 验证通过。
## Android 技术验收
| 验收项 | 结果 |
| --- | --- |
| `HOST FIELD` Host Submission Contract | PASS |
| 与 STEP-051 `PRODUCTION FEED` 路径分离 | PASS |
| `production-wind-t00` ~ `production-wind-t03` canonical dataset load | PASS |
| Host Submission → `ParticleFieldDataAdapter` → `ParticleFieldSnapshot` → Timeline → Runtime Field Window → GPU Renderer | PASS |
| T0/T1 Initial Window | PASS |
| T2/T3 Next Submission | PASS |
| `PLAYBACK_PLAY` | PASS |
| Automatic MIX | PASS |
| Window Boundary #1 | PASS |
| Window Boundary #2 | PASS |
| `OLD_T1 → NEW_T0` reuse | PASS |
| only NEW_T1 upload | PASS |
| normal `simulationRebuild=false` | PASS |
| normal `trailCleared=false` | PASS |
| `HOST DUPLICATE` / `DUPLICATE_NOOP` | PASS |
| `HOST INVALID` / Adapter fail-closed / last valid retained | PASS |
| Renderer continuity (`ParticleRender stateSeed=CONTINUE`) | PASS |
| black screen / crash | 未发生 |
两次已确认的 production→production boundary 为:
1. `production-wind-t00 / production-wind-t01 → production-wind-t01 / production-wind-t02`
2. `production-wind-t01 / production-wind-t02 → production-wind-t02 / production-wind-t03`
每次均复用 OLD_T1 为 NEW_T0,并仅上传 NEW_T1。正常过程 `fieldUploadCount=4 → 5 → 6`。`simulationResetCount=1` 只对应旧 fixture `uniform-east / uniform-east` 首次切换至 Host `production-wind-t00 / production-wind-t01` 的允许初始化;该一次可解释的 `simulationRebuild=true` / `trailCleared=true` 不属于 production→production boundary 回归。
Duplicate 时 field upload 与 simulation reset 均无增量。Invalid 测试通过正式 Host submission 触发 Adapter reject,不依赖 style reload;last valid field 被保留,Renderer 持续运行。
## 数据集与技术债
- 用户正式风场数据集:`NOT PROVIDED / NOT VALIDATED`。
- 该数据集可在后续使用相同 canonical contract 作替换/追加验证,不阻止 STEP-053 关闭。
- Validation UI observability:`NON-BLOCKING`。MIX 文本可能滞后,WAITING/INVALID 视觉不够明显;这不是 Core、Timeline、Runtime 或 Renderer 缺陷,本任务未修复。
冻结边界保持:Core-owned Timeline/Playback、Runtime Field Window、`OLD_T1 → NEW_T0` reuse、only NEW_T1 upload、MIX property-only、Invalid/Gap fail-closed、Renderer 不含 provider/network/vendor 逻辑,以及 WeatherColorLayer 与 RasterParticleLayer 分离。
## 未执行项
Codex 本任务未执行 Android Gradle、APK build/install、ADB、App 启动、Android 设备/模拟器测试或 Jest;Android 验收由用户手工完成。未修改功能代码,未新增测试。
## Git 与范围保护
- closeout commit:`e98805524bfbef396deea4a6d41e70e900c794f3`
- commit message:`docs: close STEP-053 Android validation`
- remote branch:`origin/particle/main`
- push result、Final HEAD:由本报告提交后的 Git 收尾确认。
- `git diff --check`:PASS。
- 无关 untracked 文件未修改、未 stage、未提交,包括 `STEP-046-e48fa087-review.diff`、历史任务文档和其他用户文件。
阻塞项:无。STEP-053 已正式关闭;不进入 STEP-054。