Skip campus images in handbook generation for reliability

app/services/html_builder.py

@@ -164,23 +164,16 @@ def _prepare_university_data(
         sec_map[k] = s
 
     # Campus image
+    # Disable university campus-image embedding in the generation path.
+    # Large per-school images were the main source of handbook timeouts in Space.
     img_section = sec_map.get("campus_image") or sec_map.get("image")
     campus_image = ""
     campus_caption = ""
     if img_section:
         j = img_section.get("section_json", {})
         if isinstance(j, dict):
-            campus_url = str(j.get("image_url", "")).strip()
             campus_caption = str(j.get("caption", "")).strip()
-            if allow_remote and campus_url:
-                embedded = fetch_image_data_uri(campus_url)
-                if embedded:
-                    campus_image = embedded
-                    stats["images_embedded"] = stats.get("images_embedded", 0) + 1
-                else:
-                    stats["images_placeholder"] = stats.get("images_placeholder", 0) + 1
-            else:
-                stats["images_placeholder"] = stats.get("images_placeholder", 0) + 1
+            stats["images_placeholder"] = stats.get("images_placeholder", 0) + 1
 
     # Overview and website
     resolved_website = (uni_raw.get("website") or "").strip()