Christian Gick f27d545012 fix(MAT-164): proactive key poll on screen share + faster DEC_FAILED recovery ...

When a video track is subscribed (screen share starts), Element Call
rotates the E2EE key. Instead of waiting for DEC_FAILED, proactively
poll the timeline for the new key (6x @ 500ms = 3s window).

Also reduce DEC_FAILED threshold from 3→1 and cooldown from 5s→2s
for faster recovery when the proactive poll misses the rotation.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-03-19 07:44:51 +02:00

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