real dev verification, 2026-11-01 UTC main: 7195b699547b538e49f758e314dde5c8c5d907cf pr: cd452beaf17f5f4b4640ce5d616bdec9c242064d playwright 1.60.0 + /usr/bin/google-chrome, Linux, 1440x900 real Codex gpt-6.1-sol; UI-created empty git projects and threads app WebSocket closed while offline for 60 seconds; 6x CPU throttle only during reconnect main: 8 catchup commands, 8 completed; runs: completed; model: gpt-6.1-sol sequence=1036, status=live, run=running, visible items=3 sequence=1052, status=synchronizing, run=running, visible items=6 sequence=1068, status=synchronizing, run=running, visible items=10 sequence=1084, status=synchronizing, run=running, visible items=14 sequence=1100, status=synchronizing, run=running, visible items=18 sequence=1115, status=synchronizing, run=completed, visible items=21 sequence=1115, status=live, run=completed, visible items=21 sequence=1116, status=live, run=completed, visible items=21 pr: 8 catchup commands, 8 completed; runs: completed, completed; model: gpt-6.1-sol sequence=275, status=live, run=running, visible items=2 sequence=356, status=live, run=completed, visible items=21 sequence=357, status=live, run=completed, visible items=21 nearby: 20-command snapshot fallback completed; live follow-up ran pwd and git status --short; reload restored both finished turns. checks: blacksmith-check ran vp i then vp test run packages/client-runtime/src/state/threads-sync.test.ts packages/client-runtime/src/rpc/client.test.ts: 55 passed (47 + 8). limitations: native mobile, Electron, relay/tunnel, other providers, and forced mid-replay attempt replacement were not exercised. Existing focused tests cover attempt replacement. No latency/speedup claim.