ensure source image URL is added

Author: ericahan22

backend/services/openai_service.py

@@ -180,9 +180,9 @@ def extract_events_from_caption(
     
     OCCURRENCE RULES (CRITICAL):
     - Every event MUST include at least one occurrence with a concrete UTC start time.
-    - Return ALL explicit dates and times mentioned in the post as separate entries in the occurrences array.
-    - DO NOT include registration, signup, RSVP, or application deadlines as occurrences. Only include actual event dates/times.
-    - Do NOT infer or compress recurrence patterns. List each date/time exactly as given.
+    - Return explicit dates and times that correspond to events as separate entries in the occurrences array.
+    - DO NOT include registration, signup, RSVP, or application deadlines as occurrences.
+    - Do NOT infer or compress recurrence patterns. List each event date/time exactly as given.
     - Always convert local times to UTC. The JSON must use ISO 8601 format with a trailing "Z" (e.g., "2025-11-05T22:00:00Z").
     - If an end time is not provided, leave "dtend_utc" as an empty string.
     - If duration is not explicitly available, leave "duration" as an empty string.
@@ -289,6 +289,10 @@ def extract_events_from_caption(
                             else:
                                 event_obj[field] = ""
 
+                    # Ensure source_image_url is set if provided
+                    if source_image_url and not event_obj.get("source_image_url"):
+                        event_obj["source_image_url"] = source_image_url
+
                     # Coerce price to 0.0 for free events
                     price_val = event_obj.get("price")
                     food_val = (event_obj.get("food") or "").lower()