mirror of
https://github.com/wwiinnddyy/LanMountainDesktop.git
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b71687cecd
Replace UI DispatcherTimer polling with a StudySnapshotRenderGate across multiple widgets to queue and apply only the latest analytics snapshot; components updated include StudyDeductionReasonsWidget, StudyEnvironmentWidget, StudyInterruptDensityWidget, StudyNoiseCurveWidget. Add StudySnapshotRenderGate implementation to coordinate rendering and monitoring leases and update subscription/lease lifecycle handling (subscribe/unsubscribe, Acquire/Dispose leases, Clear/Dispose gate). Rewrite chart controls (StudyNoiseCurveChartControl and StudyNoiseDistributionScatterChartControl) to use stable logical-time origins, split series into static vs dynamic tails, add geometry/sample caching, stable jitter/coordinate mapping helpers, and expose internal helpers & counts for testing. Add unit tests (StudyComponentRenderingTests) covering the render gate and chart behaviors (layer counts, logical X mapping, stable jitter, cache rebuild). These changes improve rendering correctness and performance by avoiding redundant renders and enabling deterministic chart layout.
49 lines
2.5 KiB
Markdown
49 lines
2.5 KiB
Markdown
# PDC Incremental Update Migration
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## Goal
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Replace VeloPack-based incremental packaging with a unified PDC FileMap + object-repo pipeline, while keeping Launcher installation, rollback, and update orchestration ownership unchanged.
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## Stage 1 (Completed)
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- Release workflow removed VeloPack-based release packaging.
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- Signed FileMap path was restored as an interim release mechanism.
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- Host/Launcher fallback behavior stayed compatible with `files.json + files.json.sig + update.zip`.
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## Stage 2 (Current Implementation Target)
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- Use GitHub Actions PloNDS static publishing as the active incremental path.
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- Keep `phainon.yml` for future PDCC parity, but do not rely on PDCC for the current release flow.
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- Promote PloNDS-distributed FileMap/object-repo as the primary incremental path.
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- Keep GitHub Release installers and metadata as parallel distribution.
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- Keep Launcher state machine ownership (`.current/.partial/.destroy` + snapshots).
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- Check updates in order: NS3/PloNDS static source, GitHub Release PloNDS assets, then GitHub full installer.
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- S3 object root is fixed to `lanmountain/update/` with no update-system version prefix.
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- Public object URLs come from `S3_PUBLIC_BASE_URL`; do not infer them from `S3_ENDPOINT` and `S3_BUCKET`.
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Expected S3 layout:
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- `lanmountain/update/repo/sha256/<hash-prefix>/<hash-object>`
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- `lanmountain/update/meta/channels/<channel>/<platform>/latest.json`
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- `lanmountain/update/meta/distributions/<distributionId>.json`
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- `lanmountain/update/manifests/<distributionId>/plonds-filemap.json`
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- `lanmountain/update/manifests/<distributionId>/plonds-filemap.json.sig`
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- `lanmountain/update/installers/<platform>/<version>/*`
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## Acceptance
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- `release.yml` contains no Velopack steps; PloNDS static publishing is handled by `plonds-build.yml` and `ddss-publish.yml`.
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- Release jobs keep building installers for Windows x64/x86, Linux x64, and macOS.
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- PloNDS metadata + FileMap + object repo are published under `lanmountain/update/`.
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- Host can consume the NS3/PloNDS static payload and fallback to GitHub when unavailable.
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- Launcher can apply both:
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- legacy signed `files.json + update.zip`
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- PloNDS FileMap object-repo payload.
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- Rollback semantics keep both automatic failure rollback and manual rollback after a successful update.
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## Deprecated Notes
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- The following interim outputs are compatibility-only (not the long-term primary path):
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- `files-windows-x64.json` / `.sig` / `update-windows-x64.zip`
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- `files-windows-x86.json` / `.sig` / `update-windows-x86.zip`
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- `files-linux-x64.json` / `.sig` / `update-linux-x64.zip`
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