Embed STUN and SFU in the shared Go process, reuse native encoding pipelines with independent adaptation, and complete Client lifecycle, settings, diagnostics and packaging fixes. Retain standard Browser senders after measured encoded-reuse limitations.
Merged after local full validation and production postflight. GitHub CI's 16 Linux locale assertions are pre-existing and unrelated to this infrastructure-only change; see PR comment.
Fixes the production-proven P2P-to-SFU quality misrouting. Local full checks and independent P0/P1 review passed; the GitHub job did not start any steps.
Modularize durable truth, bound always-loaded instructions, and keep domain-document size checks advisory. Local cross-platform repository hygiene checks pass; GitHub-hosted steps were not started because of the account billing state.