Add docstring for time field format (IC3 epoch)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Corina Gum

packages/api/src/microsoft_teams/api/models/entity/quoted_reply_entity.py

@@ -32,7 +32,7 @@ class QuotedReplyData(CustomBaseModel):
     "Preview text of the quoted message"
 
     time: Optional[str] = None
-    "Timestamp of the quoted message"
+    "Timestamp of the quoted message (IC3 epoch value, e.g. '1772050244572'). Inbound only."
 
     is_reply_deleted: Optional[bool] = None
     "Whether the quoted reply has been deleted"