From 82aa890127ee65d6b9593180d0d7c10c1d2d99cc Mon Sep 17 00:00:00 2001
From: superche <35420957+superche@users.noreply.github.com>
Date: Tue, 28 Jul 2026 12:04:50 +0800
Subject: [PATCH] fix: serialize stale bootstrap lock recovery

---
 .../mcp-server-pippit/src/local-runtime/bootstrap-lock.ts  | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/packages/mcp-server-pippit/src/local-runtime/bootstrap-lock.ts b/packages/mcp-server-pippit/src/local-runtime/bootstrap-lock.ts
index 8a70cc3..e220288 100644
--- a/packages/mcp-server-pippit/src/local-runtime/bootstrap-lock.ts
+++ b/packages/mcp-server-pippit/src/local-runtime/bootstrap-lock.ts
@@ -165,7 +165,7 @@ async function removeStaleBootstrapLock(path: string, existing: Awaited<ReturnTy
   if (candidatePath !== undefined) {
     let candidateStats: Stats
     try { candidateStats = await lstat(candidatePath) } catch (error) {
-      if ((error as NodeJS.ErrnoException).code === "ENOENT") return removeSingleLinkBootstrapLockIfUnchanged(path, existing.stats)
+      if ((error as NodeJS.ErrnoException).code === "ENOENT") return false
       throw error
     }
     assertBootstrapLockStats(candidateStats, "Local runtime bootstrap lock candidate")
@@ -183,7 +183,10 @@ async function removeStaleBootstrapLock(path: string, existing: Awaited<ReturnTy
       return false
     }
     try { await unlink(candidatePath); await syncParentDirectory(candidatePath) } catch (error) {
-      if ((error as NodeJS.ErrnoException).code !== "ENOENT") throw error
+      // Another contender already claimed stale-lock recovery. Only that
+      // contender may remove the remaining lock link; retry from fresh state.
+      if ((error as NodeJS.ErrnoException).code === "ENOENT") return false
+      throw error
     }
   }
   return removeSingleLinkBootstrapLockIfUnchanged(path, existing.stats)