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Miguel Ángel
36db44d9b7
* perf(core): a paused preview stops running its audio output The preview runtime opened its AudioContext at load and left it running for the whole session, so a paused Studio kept an audio output stream rendering silence in Chrome's audio service and output threads, and on Chrome's fake sink once a context has been silent for 30 s. The transport now suspends the context once it has been paused for a second with no captured track playing, and resumes it for Play and for a captured track that plays while paused (the scrub route). The delay keeps a stop-and-reschedule inside one play (a rate change, a hidden track, a seek while playing) from bouncing the output. A Play that lands while a suspend is pending resumes anyway, and a Pause that lands while Play waits on resume() lets the context go back to sleep. * fix(core): decoded audio after an idle pause starts where the picture is Review follow-ups to the idle suspend: - A decoded track read its start time before waiting for the context to wake, so every Play after an idle pause anchored the clock that far back and the picture stepped back. The transport now reads the time after the wake. - The transport kept every element it ever captured. It now holds only captured tracks that are playing, so a replaced track is free once it pauses. - A failed suspend and destroy() both clear the pending-suspend flag, so the next pause, or a fresh init(), can suspend again. - A test pins the one-second idle delay; the redundant "ended" listener is gone, since a track that ends fires "pause" first. * fix(core): a preview whose browser starts audio late still goes quiet when idle The idle timer was armed only if the context was already running when the transport opened it or resumed it, so a browser that starts the context a moment after construction left it running until the first pause. The transport now arms the timer from the context's own statechange event, which Chrome fires after construction and on every resume, so the separate arming in init() and after a stale Play are gone. * fix(core): a reloaded track no longer keeps a paused preview's audio awake Reloading a playing captured track (el.load(), a src swap) stops it without a "pause" event, so the transport kept counting it as playing and a paused preview never went quiet. The idle check now drops tracks that are already paused before it counts, and "emptied" is handled like "pause" so the idle timer is armed when a reload stops a track. * perf(core): a paused preview waits 10 s before its audio output goes to sleep * docs(core): say why a paused preview's audio waits 10 s before it sleeps * fix(core): a browser-side audio suspend drops the preview's idle timer