build: compile dist/ [auto]

dist/usage-api.js

@@ -127,6 +127,25 @@ function tryAcquireCacheLock(homeDir) {
         }
     }
     const lockTimestamp = readLockTimestamp(lockPath);
+    // Unparseable timestamp — use mtime to distinguish a crash leftover from an active writer.
+    if (lockTimestamp === null) {
+        try {
+            const lockStat = fs.statSync(lockPath);
+            if (Date.now() - lockStat.mtimeMs < CACHE_LOCK_STALE_MS) {
+                return 'busy';
+            }
+        }
+        catch {
+            return tryAcquireCacheLock(homeDir);
+        }
+        try {
+            fs.unlinkSync(lockPath);
+        }
+        catch {
+            return 'busy';
+        }
+        return tryAcquireCacheLock(homeDir);
+    }
     if (lockTimestamp != null && Date.now() - lockTimestamp > CACHE_LOCK_STALE_MS) {
         try {
             fs.unlinkSync(lockPath);