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Voice-persistence follow-up (user-spec item 6). Every my-sea navigation is a full page reload that kills the WebSocket + peer connections; true no-reload nav would need an SPA refactor of the heavily-tested draw IIFEs. Instead we auto-rejoin: bindVoiceBtn remembers the active room in sessionStorage on join and silently re-joins it on the next my-sea page if voice is still available there (mic permission persists for the session, so no prompt). Same user- visible result (a brief reconnect, not seamless) with no risk to the draw flows. - burger-btn.js: sessionStorage 'mysea-voice-room' remember/forget helpers + window.mySeaVoiceForget; bindVoiceBtn refactored to startCall()/withVoiceRoom() and auto-rejoins on bind when the remembered room === the active btn's room. A failed join (e.g. INSECURE_CONTEXT) forgets the room so it doesn't retry. - _my_sea_gear.html: the NVM-disconnect guard confirm + BYE forget the room (and leave the mesh) — an explicit leave shouldn't auto-rejoin. - BurgerSpec: +4 auto-rejoin specs (match / different-sea / inactive / remember + forget). 438 Jasmine specs green. Also (bundled, user's parallel work): pngquant the resaved RWS deck card back (tarot-rider-waite-smith-back.png) from 733KB truecolor+a to a 264KB 8-bit palette PNG, matching its companion card faces. Dimensions preserved (the rotated 401x694). Code architected by Disco DeDisco <discodedisco@outlook.com> Git commit message Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>