chore: n8n update

.gitignore

@@ -25,21 +25,15 @@ Thumbs.db
 .opencode-rules
 opencode.json
 
-# Taskplane runtime artifacts (machine-specific, do not commit)
-.pi/batch-state.json
-.pi/batch-history.json
-.pi/lane-state-*
-.pi/merge-result-*
-.pi/merge-request-*
-.pi/worker-conversation-*
-.pi/orch-logs/
-.pi/orch-abort-signal
-.pi/settings.json
-.worktrees/
-.taskplane-tasks/
-
-# Pi project-local packages (if using pi install -l)
-.pi/npm/
-
-# Pi Lens local cache/runtime artifacts
-.pi-lens/
+# AI agent state
+.sidecar/
+.sidecar-*
+.sisyphus/
+.sidecar-agent
+.sidecar-task
+.sidecar-pr
+.sidecar-start.sh
+.sidecar-base
+.td-root
+.cache
+.pi*