diff --git a/.gitignore b/.gitignore
index 7f1f7b4..b51e2e4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -86,3 +86,7 @@ coverage/
 
 # Runtime session lock — ephemeral, never committed (using-tasks skill)
 .tasks/.lock
+# Poller heartbeat/claim side-channel — ephemeral, never committed (workspace.js).
+# Missing here made `git status` see `?? .tasks/claims/` → poller skipped every
+# claim with "working tree dirty". Mirrors .common/.gitignore.
+.tasks/claims/