feat(v2.1.9): Presentation & Signal — raw NTSC composite (P4) + marquee CRT shader stack (B6)#283

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doublegate merged 9 commits into

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feat/v2.1.9-presentation

Jul 12, 2026

Commits on Jul 12, 2026

feat(ppu): raw NTSC composite-signal model (v2.1.9 P4)

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feat(gfx): marquee CRT shader stack + raw NTSC signal-decode WGSL (v2.1.9 B6+P4)

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docs(v2.1.9): CRT stack + raw composite signal (frontend.md, ppu-2c02.md, CHANGELOG)

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fix(v2.1.9): clippy use_self/doc-paragraph + rustdoc private-link gate fixes

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docs(changelog): restore v2.1.9 [Unreleased] entry after rebase onto v2.1.8

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feat(frontend): wire CRT stack + raw signal decode into the composable ShaderStack + per-game presets (v2.1.9 B6/P4)

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feat(frontend): GIF + WAV capture export via av-record (v2.1.9)

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fix(v2.1.9): green the fmt+clippy+rustdoc CI gate + palette preview + docs

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fix(v2.1.9): address Copilot review — edge-phase correctness + oscillator demod + gray-emphasis doc

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