Christian Gick 753d6543d4 fix: generate and publish E2EE key, always connect with encryption ...

Element Call encrypts media by default. Bot must:
1. Generate its own 32-byte E2EE key
2. Publish it to room state (io.element.call.encryption_keys)
3. Connect to LiveKit with HKDF E2EE enabled
4. Use caller's key when received, own key as fallback

This fixes: Nicht verschlüsselt warning, silent audio (encrypted
frames couldn't be decoded by VAD/STT)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-02-21 17:06:34 +02:00

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