Record weekly scheduler lock backend failure

task-logs/weekly/2026-02-14T05-24-15Z__event-schema-agent__failed.md

@@ -0,0 +1,14 @@
+---
+agent: event-schema-agent
+status: failed
+---
+# Weekly Scheduler Run Failed
+
+reason: Lock backend error
+
+## Details
+- cadence: weekly
+- excluded: []
+- selected_agent: event-schema-agent
+- lock_command: `AGENT_PLATFORM=codex npm run lock:lock -- --agent event-schema-agent --cadence weekly`
+- lock_exit_code: 2