From f1ef91c98a36dbf029464d972812676e24bf8619 Mon Sep 17 00:00:00 2001 From: Aaron Stainback Date: Fri, 22 May 2026 18:06:22 -0400 Subject: [PATCH 1/3] docs(shadow): Lior logs stale git locks (decomposed from #4677) --- .../shadow-lesson-log-20260522-stale-locks.md | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 docs/research/shadow-lesson-log-20260522-stale-locks.md 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. From 818474af9a39129a8e4e0bf3b01bfb5a373580e3 Mon Sep 17 00:00:00 2001 From: Aaron Stainback Date: Fri, 22 May 2026 22:54:07 -0400 Subject: [PATCH 2/3] fix(shadow): MD030 list-marker-space (PR #4684) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fix 6 markdownlint MD030 errors (3 spaces -> 1 space) in docs/research/shadow-lesson-log-20260522-stale-locks.md. Lines 17,18,19,25,26,27 had "* " (3 spaces) — must be "* " (1 space) per markdownlint-cli2 default config. --- .../shadow-lesson-log-20260522-stale-locks.md | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/docs/research/shadow-lesson-log-20260522-stale-locks.md b/docs/research/shadow-lesson-log-20260522-stale-locks.md index 4109d59e0e..95af2a2fb1 100644 --- a/docs/research/shadow-lesson-log-20260522-stale-locks.md +++ b/docs/research/shadow-lesson-log-20260522-stale-locks.md @@ -14,14 +14,14 @@ This event highlights a vulnerability in our autonomous system. If an agent cras 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. +* **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. +* 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. From 300fa6fbf84500f0d04507295d5054420c2fd802 Mon Sep 17 00:00:00 2001 From: Aaron Stainback Date: Sat, 23 May 2026 03:43:34 -0400 Subject: [PATCH 3/3] docs(shadow): rename to hyphenated-date convention (PR #4684) Per Copilot review thread: filename used compact form 20260522; renamed to 2026-05-22-shadow-lesson-log-stale-locks.md to match the predominant convention in docs/research/ (YYYY-MM-DD-prefix). --- ...stale-locks.md => 2026-05-22-shadow-lesson-log-stale-locks.md} | 0 1 file changed, 0 insertions(+), 0 deletions(-) rename docs/research/{shadow-lesson-log-20260522-stale-locks.md => 2026-05-22-shadow-lesson-log-stale-locks.md} (100%) diff --git a/docs/research/shadow-lesson-log-20260522-stale-locks.md b/docs/research/2026-05-22-shadow-lesson-log-stale-locks.md similarity index 100% rename from docs/research/shadow-lesson-log-20260522-stale-locks.md rename to docs/research/2026-05-22-shadow-lesson-log-stale-locks.md