Fix dual-source timestamp inflation in meeting mode#330

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materemias wants to merge 2 commits intomainfrom

fix/dual-source-timestamp-offset

Commits on Apr 23, 2026

Fix dual-source timestamp inflation in meeting mode

materemias
and
codex
committed
Address review: drop padding, advance offsets up front, sync per source

materemias
and
Copilot
committed