Sam Valladares 9d791a35a5 feat(dashboard): backdrop robustness + fallback firewall flash ... Real robustness fixes found while verifying Phase 3: - Boot watchdog: if WebGPU hasn't started rendering within 6s (slow/contended GPU, hung device request), fall back to Canvas2D so the field is never stuck on the static gradient. Cleared on successful webgpu boot + onDestroy. - bootFallback is now idempotent (guards double-start, cancels any in-flight rAF) so the watchdog can't race a second loop. - Canvas2D fallback now reacts to the firewall field event too — an outward shockwave + crimson tint — so pre-iOS-26 / no-WebGPU users also see the catch. - ?demo=firewall fires the flash on a short delay (so the field has booted, not mid-boot where it'd be missed); ?demo=firewall&loop=1 re-arms it every 3.2s for repeatable launch-footage capture. svelte-check 0 errors / 967 files. NOTE: the on-screen crimson flash remains visually unconfirmed this session — the preview env had an unstable viewport + exhausted GPU process; pending a clean browser. Memory Cinema untouched. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>		2026-06-27 12:29:42 -05:00
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dashboard	feat(dashboard): backdrop robustness + fallback firewall flash	2026-06-27 12:29:42 -05:00