OBS quick launch (EB / EB + VOD) from the System tab#36
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The Enhanced Broadcasting launchers only existed inside the Twitch destination editor, behind the VOD-audio toggle - starting OBS pre-wired meant opening a destination's settings every time. System -> Behavior now has an "OBS quick launch" card with: - Launch OBS - Enhanced Broadcasting (session-only --config-url launch) - Launch OBS - EB + VOD audio track - Make a desktop shortcut (the existing VOD+EB cold-start .lnk) The EB+VOD button does one thing the old flow got for free from the form: it persists vod_audio=true on the enabled Twitch destination before writing OBS's flag. That's required for durability, not cosmetics - reconcile_obs_vod_files derives OBS's on-disk flag from the destinations on every save, so a launch that skipped the destination flag would be silently reverted by the next save. Each step reports into the same red-to-green checklist as the form flow (renderer extracted and shared). The card warns inline when no enabled Twitch destination with a key exists (OBS launches, but EB has nothing to engage) and the buttons disable with a reason when OBS isn't installed (probe cached per session, refreshed via loadDestinations so destination changes update the warning live). No backend changes - reuses /obs/launch-with-eb, /obs/setup-vod-eb, /shortcut/create-eb, and /destinations. 235 tests green; verified the new functions survive build.rs minification in the embedded output.
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Proven with a simulation: animateNumber() has been a direct-set its entire life. It only stored per-element state on the animate path, but a fresh id can never reach that path - the throwaway object it builds always has `to === target`, so it hits the no-change branch and returns without seeding numState. The map stays empty forever, every call rebuilds a fresh matching object, and the number snaps to each value. This is why my earlier ease/linear/snap tweaks did nothing (dead code on a function that can't animate) and why the user still saw the arming "jump" and the disarm instant-zero. Two fixes: 1. animateNumber now seeds numState on first sight of an id (show the value, store state), so subsequent changes reach the animate path. The stat readouts ease properly now too - also never animated before. 2. The hero delay figure gets a dedicated critically-damped spring (Unity SmoothDamp) on a single persistent rAF that chases the latest target. It tracks the buffer fill at smooth, near-constant velocity while arming (no jerk from tweening a varying gap over a fixed duration) and eases the big jumps - especially the roll-down to 0 on cut/disarm - to rest with no overshoot, no snap, no freeze, immune to the state-update cadence. Verified the roll-down and count-up numerically before wiring it in. 235 tests green; verified the new code in the actual built exe over HTTP.
The OBS dock rendered its big number from current_delay_ms, which includes the pipeline's natural transit latency (encoder -> ingest -> ring -> egress) even when no delay is armed - so passthrough read as "1.0s". It now mirrors the dashboard: armed target when a delay is engaged (fill while arming), 0 in passthrough. Review pass over the whole merge set: clippy clean (no Rust dead code), no dead JS functions, no leftover references from the animation iterations, dashboard animations are read-only (never POST, cannot desync the stream state), and the dock is a standalone file unaffected by the dashboard changes.
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What
The Enhanced Broadcasting launchers no longer hide inside the Twitch destination editor behind the VOD-audio toggle. System → Behavior → OBS quick launch offers three buttons that work without opening any destination's settings:
--config-urlpointed at InstantClone. Session-only; reopening OBS normally streams plain again..lnk, now reachable from here.The one subtle bit
The EB+VOD button persists
vod_audio=trueon the Twitch destination before touching OBS's flag, and that is required for correctness, not convenience:reconcile_obs_vod_filesderives OBS's on-disk VOD flag from the destination set on every destination save. A quick-launch that only wrote the OBS flag would be silently reverted the next time any destination is saved. The pre-step closes that hole and shows up as its own checklist line.Guard rails
loadDestinations).Verification
/obs/launch-with-eb,/obs/setup-vod-eb,/shortcut/create-eb, and/destinationsendpoints.cargo test --release: 235 passed; fmt clean.index.html.gzand confirmed all new functions and ids survive build.rs minification.