recency_guard module + wired propagate_stack_now + top20 (Tony 2026-07-13)

propagate_stack_now.py

@@ -104,6 +104,15 @@ def main():
                 and it.get("first_seen") and _parse(it["first_seen"])
                 and _parse(it["first_seen"]) >= cutoff
                 and (it.get("source") or "").lower() not in EXCLUDE_SOURCES]
+    # --- RECENCY GUARD (2026-07-13, Tony's correction): NEVER re-post old news.
+    #     Age is the dominant measure: today's items ALWAYS lead (week-open fresh
+    #     news); older items keep only if NEVER posted before (md-stack / seen).
+    #     This kills the Apple-vs-OpenAI / GPT-5.6 re-post problem at the source. ---
+    from recency_guard import filter_fresh as _rg_filter
+    _today, _older_new, _dropped = _rg_filter(eligible)
+    if _dropped:
+        print(f"[recency_guard] dropped {len(_dropped)} already-posted older items")
+    eligible = _today + _older_new
     eligible.sort(key=lambda x: x["clickability_decayed"], reverse=True)
     top = eligible[:LIMIT]