feat: prototype editable cursor choreography for AI Edition#116

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YoneRai12:agent/ai-cursor-choreography-concept

Commits on Jul 15, 2026

Commits on Jul 16, 2026

perf(exporter): GPU-resident composite path + hardware-first encode

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chore(exporter): log the renderer's real WebGL vendor/renderer in the encoder probe

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perf(exporter): overlap the WSOLA audio stretch with the video loop

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revert(exporter): drop the GPU-resident composite path

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docs(export-v2): rewrite the D4 perf programme around native ffmpeg encode

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docs(export-v2): bundle size is not a constraint (~200MB/platform is fine)

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docs(export-v2): measure the upstream chain - IPC is the bottleneck, not the encoder

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docs(export-v2): measure the crossing end-to-end - 34 fps BGRA, 81 fps NV12

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feat(export): ffmpeg capability detection (binary path, encoder pick, LGPL gate)

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docs(native-core): spec the Rust/wgpu compositor option (the 20x path)

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docs(native-core): add option A' (sandbox:false) and price C honestly against it

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docs(native-core): "going native" relocates the security problem, it does not solve it

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docs(export-v2): native encode ships on all three platforms - no macOS exception

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feat(export): ffmpeg encode session - stream frames to a native encoder

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build(export): vendor a pinned LGPL ffmpeg for the native encoder

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feat(export): let ffmpeg mux the audio, so it writes the final file

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fix(export): prove the encoder works instead of inferring it from -encoders

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feat(export): main-process service + IPC for the native encoder

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feat(bench): headless export bench, and the measurement that kills option A
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docs(export): research report — native encode fed from the renderer cannot win
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feat(bench): readback-ceiling arm — option A' is excluded by measurement
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Commits on Jul 18, 2026

feat: AI Editionに編集可能なカーソル軌道を追加
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