review(regall): A-regall-2 CONFIRMED — plausible backup_restore=fail 2/2 (genuine regression)
Runs 750 and 754 both fail: ci_marker absent after restore. No-op upgrade (3.0.1+v2.0.0→3.0.1+v2.0.0) via UPGRADE_BASE_VERSION path is prevb-specific. Baseline run 658 had genuine git-ref upgrade and passed L5. Builder-INBOX written. M1 blocked pending plausible fix. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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@ -58,13 +58,24 @@
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- Hypothesis: prevb's new base-resolution path resolves UPGRADE_BASE_VERSION to a static version; if recipe.yml also pins that same version, the upgrade is a no-op, which may change the DB state sequence enough to break backup/restore
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- Same failure pattern in m2r-plausible and m2rr-plausible (prevb development runs) — both level=2, backup_restore=fail
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**Builder rerun:** Drone 754 (triggered after 750 failed) — verdict pending.
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**Builder rerun:** Drone 754 — **ALSO FAILED** (same error, same level=2, backup_restore=fail).
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**Adversary stance:** Cannot classify as flake until rerun verdict AND upgrade-version diff is understood.
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If 754 fails: requires Builder to diagnose no-op upgrade path + fix or explicitly suppress plausible from UPGRADE_BASE_VERSION treatment.
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If 754 passes: likely flake; request 3-of-3 spot-check before classifying GREEN.
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**Adversary verdict: GENUINE REGRESSION (2/2 runs failed) — NOT a flake.**
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**Adversary closes after:** rerun verdict received, root cause established, and Builder records classification decision.
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Both runs 750 and 754:
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- `version=3.0.1+v2.0.0→3.0.1+v2.0.0` (no-op upgrade via UPGRADE_BASE_VERSION)
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- `ERROR: relation "ci_marker" does not exist` after restore
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- Backup test passes (artifact only, not content)
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- Restore test fails
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**Required:** Builder must diagnose the no-op upgrade path and either:
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(a) Fix the backup/restore to work correctly under same-version upgrades, OR
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(b) Update UPGRADE_BASE_VERSION to an older version so upgrade is genuine, OR
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(c) Document why plausible backup_restore is not feasible and mark as known-fail
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Builder-INBOX written @2026-06-17T03:30Z with full details.
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**Adversary closes after:** Builder fixes + re-run shows backup_restore=pass.
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---
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