feat: port smoke-codex workflow from gh-aw

.github/workflows/agentics-maintenance.yml

@@ -13,7 +13,7 @@
 # \  /\  / (_) | | | | ( | | | | (_) \ V  V /\__ \
 #  \/  \/ \___/|_| |_|\_\|_| |_|\___/ \_/\_/ |___/
 #
-# This file was automatically generated by pkg/workflow/maintenance_workflow.go (v0.42.0). DO NOT EDIT.
+# This file was automatically generated by pkg/workflow/maintenance_workflow.go. DO NOT EDIT.
 #
 # To regenerate this workflow, run:
 #   gh aw compile
@@ -33,7 +33,7 @@ name: Agentic Maintenance
 
 on:
   schedule:
-    - cron: "37 0 * * *"  # Daily (based on minimum expires: 7 days)
+    - cron: "37 */2 * * *"  # Every 2 hours (based on minimum expires: 1 days)
   workflow_dispatch:
 
 permissions: {}
@@ -47,7 +47,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Setup Scripts
-        uses: github/gh-aw/actions/setup@v0.42.0
+        uses: github/gh-aw/actions/setup@v0.42.11-5-g59b2d5fe5
         with:
           destination: /opt/gh-aw/actions