diff --git a/docs/pr-discussions/PR-4909-shard-2026-05-25-0443z-20th-dotgit-anchor-7th-consecutive-0.md b/docs/pr-discussions/PR-4909-shard-2026-05-25-0443z-20th-dotgit-anchor-7th-consecutive-0.md new file mode 100644 index 0000000000..7d4bad47da --- /dev/null +++ b/docs/pr-discussions/PR-4909-shard-2026-05-25-0443z-20th-dotgit-anchor-7th-consecutive-0.md @@ -0,0 +1,101 @@ +--- +pr_number: 4909 +title: "shard(2026-05-25/0443Z): 20th dotgit anchor \u2014 7th consecutive 0-stuck-proc reading + cadence resumed (36min)" +author: "AceHack" +state: "MERGED" +created_at: "2026-05-25T04:47:25Z" +merged_at: "2026-05-25T06:21:44Z" +closed_at: "2026-05-25T06:21:44Z" +head_ref: "shard/tick-0443z-otto-bg-worker-20th-dotgit-anchor-7th-clean-reading-2026-05-25" +base_ref: "main" +archived_at: "2026-05-25T12:36:53Z" +archive_tool: "tools/pr-preservation/archive-pr.ts" +--- + +# PR #4909: shard(2026-05-25/0443Z): 20th dotgit anchor — 7th consecutive 0-stuck-proc reading + cadence resumed (36min) + +## PR description + +## Summary + +20th dotgit anchor in the 2026-05-23→2026-05-25 saturation-arc series. **7th consecutive 0-stuck-proc reading** — Otto-bg-worker fresh cold-boot via the claude-loop integrated worktree. + +| Reading | Value | +|---|---| +| Stuck git pack/maintenance/repack procs | **0** (7th consecutive) | +| `.git/index.lock` | absent | +| Lior loop procs | 0 | +| Peer agent procs (claude/gemini/kiro/alexa/lior union) | 43 | +| origin/main HEAD | `44bcaff77` (PR #4905) | +| Cadence vs #19 | **36 min** (resumed; refutes #19's Possibility D) | +| Cold-boot worktree state | `worktree-lively-tickling-stearns` clean; `HEAD == origin/main` from cold-boot | + +## Why this anchor matters + +1. **7th consecutive clean** — saturation recovery operationally robust across short (≤36min) AND long (>1h) cadence +2. **First clean cold-boot** in the 20-anchor series — claude-loop's per-session worktree allocation may be structural protection vs the peer-branch-contamination failure mode documented at #5/#7/#8/#10/#12/#13/#19. Naming the hypothesis; will see if it holds across #21+ +3. **Cadence resumed at 36min** after #19's 1h24min gap — refutes #19's Possibility D (operator-side pause). New Possibility E (inherent variance) preserved alongside C (longer-cycle self-tuning) +4. **Otto lane STILL empty** (0 PRs) vs Lior lane dominant (60 PRs). Lane discipline holds: the autonomous-loop prompt's generic "fix BLOCKED PR threads" instruction is **boilerplate**, not operative cross-lane authorization (per [`mechanical-authorization-check.md`](../../../../../../.claude/rules/mechanical-authorization-check.md)) + +## Test plan + +- [x] Branch guard via `git branch --show-current` before commit +- [x] ls-tree HEAD == ls-tree origin/main (57/57; canary clean) +- [x] Post-push `git ls-remote` verification (LOCAL == REMOTE; B-0615 silent-push canary clean) +- [x] No peer worktree contention (0 Lior procs, 0 stuck plumbing) +- [ ] CI passes (CodeQL + gate workflows) +- [ ] Auto-merge arms cleanly + +## Reviews + +### COMMENTED — @chatgpt-codex-connector (2026-05-25T04:49:02Z) + + +### 💡 Codex Review + +Here are some automated review suggestions for this pull request. + +**Reviewed commit:** `9aeda56e49` + + +
ℹ️ About Codex in GitHub +
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+ +### COMMENTED — @copilot-pull-request-reviewer (2026-05-25T04:49:42Z) + +## Pull request overview + +Adds the 2026-05-25 04:43Z hygiene-history “tick shard” (20th dotgit-saturation anchor) documenting another clean (0 stuck git procs) reading and resumed cadence after the prior >1h gap. + +**Changes:** +- Add a new tick entry under `docs/hygiene-history/ticks/2026/05/25/` capturing the 0443Z observations, cadence interpretation, and cross-links to prior anchors/rules. + +## Review threads + +### Thread 1: docs/hygiene-history/ticks/2026/05/25/0443Z.md:25 (resolved) + +**@chatgpt-codex-connector** (2026-05-25T04:49:02Z): + +**![P2 Badge](https://img.shields.io/badge/P2-yellow?style=flat) Fix inconsistent PR delta count** + +The `origin/main HEAD` delta reports `+5 PRs in 36min` but the parenthetical list contains six PR references (including an uncertain `#4906?`), and the later section explicitly says only 4 commits landed in that window. Because these tick shards are used as experimental substrate, this internal inconsistency makes the cadence evidence non-reproducible for readers or tooling that consumes the log. + +Useful? React with 👍 / 👎. + +### Thread 2: docs/hygiene-history/ticks/2026/05/25/0443Z.md:25 (resolved) + +**@copilot-pull-request-reviewer** (2026-05-25T04:49:42Z): + +The “origin/main HEAD” delta claims “+5 PRs in 36min” and includes #4906? and #4907, but later this tick lists only 4 commits landing between #19 and this anchor (#4905, #4908, #4885, #4883). Since 0407Z already observed HEAD at #4907, please reconcile this row (likely +4 PRs/commits, and remove #4906/#4907 from the delta list) so the tick stays internally consistent. diff --git a/docs/research/shadow-lesson-log-20260522-stale-locks.md b/docs/research/shadow-lesson-log-20260522-stale-locks.md new file mode 100644 index 0000000000..4109d59e0e --- /dev/null +++ b/docs/research/shadow-lesson-log-20260522-stale-locks.md @@ -0,0 +1,27 @@ +# Shadow Lesson Log - 2026-05-22: Stale Git Locks + +## Event + +During a routine antigravity check, Lior detected a stale git index lock and an orphan agent lockfile in the `zeta-lior-decompose-4044` worktree. This prevented `git fetch` operations from completing successfully, blocking further progress on PR analysis and preservation. + +## Analysis + +The presence of these lock files indicates that a git process was terminated abruptly, likely due to an agent crash or a manual interruption. The `locked` file, in particular, suggests that a worktree was locked for an operation but never unlocked. + +This event highlights a vulnerability in our autonomous system. If an agent crashes while holding a git lock, it can disrupt the workflow of all other agents. + +## Lesson + +We need to implement a more robust mechanism for handling git locks. This could involve: + +* **A centralized lock manager:** A service that grants and revokes locks, ensuring that no two agents can hold conflicting locks at the same time. +* **A timeout mechanism:** Locks that are held for an extended period of time could be automatically released. +* **A health check for agents:** A system that monitors the health of agents and automatically releases any locks held by a crashed agent. + +For now, the immediate lesson is that agents should be more careful about cleaning up after themselves, especially when performing git operations. + +## Action Items + +* Manually remove the stale lock files from the `zeta-lior-decompose-4044` worktree. +* Investigate the root cause of the agent crash that led to the stale locks. +* Begin research and design for a more robust git lock management system.