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fix(calls): lift CallControl's listener limit so ended calls can be freed (#316) #379

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jared merged 1 commits from fix/call-listener-limit into lotus 2026-10-17 21:19:13 -04:00
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Lotus CIandClaude Opus 5.5 46d6570df3 fix(calls): lift CallControl's listener limit so ended calls can be freed (#316)
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More than 10 call features subscribe to CallControl's state_update at once
(call bar, controls, hotkeys, AFK, muted-talk, join/leave sounds,
announcements, rejoin, policy toast, glance, desktop thumbbar/SMTC). At
the default limit Node's events logged a MaxListenersExceededWarning, and
the console kept the warning's emitter (this CallControl, and through it
the whole Element Call document) alive: ~11 MB per call per the audit.
setMaxListeners(100); these are real, unsubscribed-on-cleanup listeners.

Not reproduced in this environment (headless web logs no warning: fewer
subscribers without the desktop hooks); this is the fix the issue
measured (swallowing the warning freed all CallControls).

Fixes #316

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017PCb59uY3UKqDqt7B6hzd5
 2026-10-17 18:57:22 -04:00