diff --git a/pxy_meta_pages/services.py b/pxy_meta_pages/services.py
index eb84588..d12d5c2 100644
--- a/pxy_meta_pages/services.py
+++ b/pxy_meta_pages/services.py
@@ -5,6 +5,7 @@ from .models import FacebookPageAssistant
 from django.core.exceptions import ObjectDoesNotExist
 from pxy_neo4j.neo4j_connector import Neo4jDatabase
 from .storage_backends import Neo4jStorage, PostgresStorage
+from .models import FacebookPageAssistant, BotInteraction
 
 logger = logging.getLogger(__name__)
 
@@ -73,6 +74,16 @@ class FacebookService:
         """
         Posts a comment on a shared post and then on the original post.
         """
+
+        # *Idempotency guard*:
+        if BotInteraction.objects.filter(
+            page__page_id=page_id,
+            object_id=post_id,
+            platform="Facebook"
+        ).exists():
+            logger.info(f"Already commented on share {post_id}, skipping.")
+            return None
+        
         # 1) Fetch token
         page_access_token = self._get_page_access_token(page_id)
         if not page_access_token:
@@ -122,16 +133,6 @@ class FacebookService:
         # 6) Post on original post
         if parent_id and shared:
             orig = self._post_facebook_comment(parent_id, bot_response, page_access_token)
-            if orig:
-                self._store_interaction(
-                page_id          = page_id,
-                object_id        = post_id,
-                parent_object_id = parent_id,
-                prompt           = prompt,
-                bot_response     = bot_response,
-                platform         = "Facebook"
-                )
-
         return shared
 
     # ─── Helper: prompt builder ────────────────────────────────────────────