51 lines
3.4 KiB
Markdown
51 lines
3.4 KiB
Markdown
# HANDOFF — 2026-10-09 (TASK 51 slice 1 shipped: background-effects engine)
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## Branch
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- main (no feature branch). Pushed through `f8dd107`; the TASK 51 slice-1 commit sits on top,
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**not pushed** (push at the user's call).
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## Dirty files (NOT mine — do NOT commit or co-edit)
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- The in-flight "pinned chat" work unit: `Models/YouTube.cs`, `ViewModels/MainViewModel.Chat.cs`,
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`Controls/LeftPanel.xaml`, untracked `Helpers/RelayCommandGeneric.cs`.
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- The creator's untracked logo art in `Assets/` (`llamacasty text.*`, `llamacasty-text-nobg*.png`,
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`thin logo wordmark.png`).
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## What just happened — TASK 51 slice 1 (engine)
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- **Model:** Google's official MediaPipe Selfie Segmenter (landscape, 144×256, Apache-2.0),
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converted to ONNX by our own `tools/selfie-seg/convert_tflite_to_onnx.py` and **verified against
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MediaPipe's own runtime** (`verify_against_mediapipe.py`, max |diff| 5e-5). Embedded in the exe
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(`Assets/Models/selfie_segmenter_landscape.onnx`, 430 KB, in git).
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- **Code:** `Services/BackgroundEffects/` — `IPersonSegmenter` seam, `OnnxPersonSegmenter`
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(onnxruntime 1.31.0 CPU, never throws), `BackgroundEffectProcessor` (None passthrough, Remove =
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alpha mask, Blur = passthrough until slice 2). `Models/BackgroundEffect.cs` enum.
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- **Not wired:** nothing calls it yet — no config, UI, or camera hookup. Zero risk to the live path.
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- **Docs:** ai.md (stale "background removal PERMANENTLY OUT" bullet replaced by the reversal + a
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"Webcam background effects" section + a model-provenance licensing guard), THIRD-PARTY-NOTICES
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items 11 (ONNX Runtime, MIT) + 12 (MediaPipe model, Apache-2.0 with §4b change note),
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TASK 51 file + TASKS.md row, Services/Models indexes, MyMistakes conversion recipe.
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## Tests
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- Full suite **408 passed / 0 failed**, 0 build warnings. New: `BackgroundEffectEngineTests` (Remove
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integration test with a fake segmenter; bundled-model contract test vs a MediaPipe reference mask,
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fixtures in `ytLive.Tests/Fixtures/`).
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## Known issues / follow-ups
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- **64-bit only (2026-10-09):** `PlatformTarget=x64` in both csproj files (verified: ytLive.dll PE
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machine 0x8664, 408/408 green). TASK 48 item 2 carries the x64-only MSIX + `-r win-x64` publish.
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- `onnxruntime.dll` is ~17 MB; an RID-less build copies every RID's native folder — TASK 48's MSIX
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publish must pin win-x64.
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- **License: GPL-3.0-or-later** (2026-10-09: `LICENSE`, `ADDITIONAL-TERMS.md` with §7 b/c/e, icon +
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logo all rights reserved, AI-generated backgrounds/alert video = GPL placeholders; both files ship
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beside the exe). Source offer = `https://llgit.llamachile.tube/gramps/LlamaCasty` (Gitea; the
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creator toggles it public), in the notices header + README. **Before it goes public: scan git
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history for secrets.** README rewritten (creator's voice, generic comparison, real build steps).
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Still stale and NOT yet rewritten: ai.md "Windows packaging" (Store IAP / branding-flash paid
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delta) and "Monetization" sections, MARCOM.md asset table (`llama-logo.png` doesn't exist).
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- Carried: "Use default background" toggle still not working (from 2026-10-07).
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## Next step
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- TASK 51 slice 2: **Blur** in `BackgroundEffectProcessor` (separable box/gaussian, strength), one
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integration test. Then slice 3 config + persistence (`BackgroundEffect` + `Strength`), slice 4
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camera-path hookup + perf check on the creator's box, slice 5 UI: radio-exclusive Remove/Blur pill
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switches + strength slider in the webcam's Layers properties.
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