post: mark queued item as posted [automated]

Author: github-actions[bot]

scripts/content-queue.json

@@ -159,10 +159,10 @@
       "id": 18,
       "text": "Security as a property of architecture, not a product you install. The difference is whether it can be circumvented.",
       "category": "thesis",
-      "status": "pending",
+      "status": "posted",
       "scheduled": "2026-04-15",
-      "posted_at": null,
-      "tweet_id": null
+      "posted_at": "2026-04-16T15:21:51.366Z",
+      "tweet_id": "2044798431428780062"
     },
     {
       "id": 19,