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Convert both hosts' Session logs and check the reports #994
Description
Parent
What to build
This is a Day shift step. Once a release with #993 is installed on each host:
- Run the conversion on the
thirdshifthost and onstephens. - Read each host's round-trip report.
- Remove the originals with the second step.
It's for a human because it runs on both production hosts and deletes the originals there.
Acceptance criteria
- Both hosts' Session logs are converted, and their reports read.
- Any difference a report shows is filed as an issue before its originals are removed.
- The originals are removed on both hosts.
Activity
JacobStephens2 commentedon Oct 22, 2026
Conversion reports (0.14.0, 2026-10-22)
thirdshiftstephensWhy Sessions were kept:
showreader differences (114 + 64). In each one the trace's latest event isNone: the 64 KiB tail window holds about 4× fewer events in OTLP form. Filed as show's latest event is empty for long Session traces: the 64 KiB tail holds about 4× fewer events #1084.stephens, a Pickup run that was writing at the time). A later--convertpicks these up.Separately,
codex_diffswas 0 across 297 Codex Sessions onthirdshift. The reader expectspatch_apply_end, and codex-cli 0.163.0 writesFileChangeitems instead. Filed as #1085.--remove-convertedhas not been run yet. The originals are still on both hosts.JacobStephens2 commentedon Oct 22, 2026
Decision: keep every original until #1084 and #1085 are released. Then, on both hosts: delete the Codex Sessions'
.logs.jsonl/.spans.jsonlso they reconvert with diffs, rerunthirdshift logs --convert, read the reports again, and runthirdshift logs --remove-convertedonce. #1086 (7 Muse Sessions) can go in the same pass if it's fixed by then.JacobStephens2 commentedon Oct 23, 2026
Second conversion pass (0.14.2, 2026-10-22)
Both hosts had the converted Codex Sessions reset first: their traces moved to
~/.thirdshift/codex-trace-backup-<time>, their report entries dropped, and the old report saved assession-trace-conversion.json.bak-994. Then each host ranthirdshift logs --convert.thirdshiftstephens#1084 and #1085 are fixed: the first pass's 178
showdifferences are gone, andcodex_diffsis no longer 0.Why Sessions were kept:
showdifferences (30 + 29): Codex Sessions whose recovered diffs total more than the 64 KiB tail, and 3 Claude Sessions that end in large events. In both cases the check's tail windows differ, not whatshowwould report. Filed as Conversion's show check fails Sessions whose last 64 KiB differs: recovered Codex diffs and large final events #1126.--remove-convertedleaves them, and they can be deleted once the trace is confirmed.thirdshift, Muse): still Session-log conversion can't identify Muse Sessions without Model evidence #1086.--remove-convertedhas not been run. Next: after #1126 (and #1086, if fixed) are released, run--convertagain on both hosts, then--remove-converted.JacobStephens2 commentedon Oct 23, 2026
Final pass (0.14.3, 2026-10-23)
0.14.3 includes #1126's fix to the
showcheck. Both hosts ranthirdshift logs --convertagain, thenthirdshift logs --remove-converted.thirdshiftstephensNo round-trip reader differences remain on either host. All 59 of the second pass's
showdifferences now pass.What was kept, and why:
thirdshift, Muse, 2026-10-10): Session-log conversion can't identify Muse Sessions without Model evidence #1086. Their originals stay on disk, but nothing reads them once The switch: stop writing Session logs #997 lands.Every difference a report showed was filed: #1084, #1085, #1086 and #1126. The backups from the second pass (
~/.thirdshift/codex-trace-backup-*andsession-trace-conversion.json.bak-994) can be deleted at any time.