Linux real dev verification, 2026-10-28

main 9ebca5f71cbcf050e94732f0a1da041073223c84
$ git worktree add ../main github/main; vp i
$ vp run dev --no-seed (background, captured PID)
server=16733 web=8693 home=/home/user/main/.t3
$ node apps/server/src/bin.ts serve --base-dir /home/user/main/.t3 --port 16734 --no-browser
exit=78
[07:37:36.583] ERROR (#2): ServerAlreadyRunningError: A T3 Code server already owns /home/user/main/.t3/userdata. Stop that server, or use a separate T3 home and pair with it, then retry. No server was stopped.
Created ownership-verification project through web UI, selected Codex gpt-6.1-sol.
Sent: sleep 20; git status --short; printf ownership-turn-ok
2026-10-28T07:39:18.326Z: unlinked server-owner.sqlite while shell was running.
No lock-loss log after at least 30s. Real turn completed: ownership-turn-ok.

PR e3fea52c97f4b7af0d928c909ca64b661b28166a
$ vp i; vp run dev --no-seed --home-dir /home/user/t3code/.t3 (background)
server=13773 web=5733; main's dev server stopped first.
$ node apps/server/src/bin.ts serve --base-dir /home/user/t3code/.t3 --port 13774 --no-browser
Warm retry exit=78. Cold invocation reached refusal but timed out at 45s.
[07:43:17.112] ERROR (#2): ServerAlreadyRunningError: A T3 Code server already owns /home/user/t3code/.t3/userdata. Stop that server, or use a separate T3 home and pair with it, then retry. No server was stopped. server-owner.sqlite is the ownership lock; do not delete it while a server is running.
2026-10-28T07:41:54.497Z temporarily chmod userdata 000 (no active turns)
2026-10-28T07:42:10.544Z permissions restored to 775
2026-10-28T07:43:44.968Z PR before unlink inode 1475539
2026-10-28T07:43:44.969Z PR lock unlinked during real Codex turn
[07:41:59.220] WARN (#18): Cannot check server ownership lock at /home/user/t3code/.t3/userdata/server-owner.sqlite (EACCES).
[07:43:45.037] ERROR (#18): Server ownership lock at /home/user/t3code/.t3/userdata/server-owner.sqlite was deleted or replaced. Another server may now share this T3 home. Stop any other server using this home, then restart this server. Do not delete server-owner.sqlite while a server is running.
Same project/prompt/model created through web UI. Turn completed: ownership-turn-ok.
Follow-up git status/log turn completed: follow-up-ok. After >60s: 1 loss log, 1 warning.
Restarted same home/head; conversation and replies persisted.
2026-10-28T07:48:30.697Z before replacement inode 1475517
2026-10-28T07:48:30.699Z replacement inode 1475544
[07:48:34.360] ERROR (#18): Server ownership lock at /home/user/t3code/.t3/userdata/server-owner.sqlite was deleted or replaced. Another server may now share this T3 home. Stop any other server using this home, then restart this server. Do not delete server-owner.sqlite while a server is running.
Real shell turn completed: replacement-turn-ok. New turn after replacement: post-replacement-ok.
Replacement loss log remained once after >60s.

$ blacksmith-check run --id [task worker] 'vp i && vp test run apps/server/src/serverRuntimeState.test.ts'
16 passed, 1 test file passed. No code changes.