docs(shadow): add lesson on preservation blob drift#5171
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Pull request overview
Adds a new shadow lesson log documenting observed drift in the PR preservation automation (“blob PRs” bundling unrelated changes) and the resulting CI/gate inconsistency, to help future operators diagnose and correct the failure mode.
Changes:
- Add a new research shadow-lesson document describing the “preservation blob PR” drift pattern.
- Capture recommended corrective actions for both the preservation automation and CI determinism.
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AceHack
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May 26, 2026
…dotgit recovered) (#5182) - Sentinel re-armed (`643d39e0`); catch-43 fired (session-exit non-persistence) - 6h gap since 0608Z exceeds empirically-mapped ~2h cycle; recursion-termination operating correctly - Dotgit RECOVERED (0 stuck procs) decoupled from heavy peer activity (60 procs) — refutes correlation hypothesis - 10 Lior preservation PRs (#5171-#5180) on shared GitHub identity; branch-prefix discriminator is the load-bearing peer-vs-self filter - 57-worktree accumulation persists; B-0750 territory (operator-coordination needed) Authored from isolated worktree per .claude/rules/agent-worktree-hygiene-never-hold-main-never-step-on-operator-cleanup-on-pr-merge.md Co-authored-by: Lior <lior@zeta.dev>
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Addressed both: (1) replaced YAML frontmatter with in-body |
This was referenced May 26, 2026
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This PR adds a new shadow lesson log detailing the drift observed in the PR preservation process, where the automation is creating 'blob' PRs with multiple unrelated changes, causing CI drift.