Scrape: include libretro + OpenVGDB covers alongside IGDB

app/gui.py

@@ -824,8 +824,17 @@ class ScrapeSearchWorker(QObject):
     def run(self):
         found = covers.search_metadata_candidates(self.system, self.query, limit=20, timeout=10)
         for r in found:
-            url = r.get("thumb_url")
-            r["thumb_bytes"] = covers.download_image(url, timeout=8) if url else None
+            src = r.get("source")
+            if src == "openvgdb":
+                r["thumb_bytes"] = covers.fetch_openvgdb_local(r.get("title") or "")
+            elif src == "libretro":
+                data = covers.fetch_libretro_local(r.get("title") or "")
+                r["thumb_bytes"] = data if data else (
+                    covers.download_image(r.get("thumb_url"), timeout=8) if r.get("thumb_url") else None
+                )
+            else:
+                url = r.get("thumb_url")
+                r["thumb_bytes"] = covers.download_image(url, timeout=8) if url else None
         self.results.emit(found)
         self.finished.emit()
 
@@ -849,6 +858,17 @@ class ScrapeFetchWorker(QObject):
 
 def _scrape_cover(system, candidate, rid, timeout=20):
     """Download the cover for a metadata candidate; returns bytes or None."""
+    src = candidate.get("source")
+    title = candidate.get("title") or ""
+    # Cover repositories ship offline bundles — read them directly (no network).
+    if src == "openvgdb" and title:
+        data = covers.fetch_openvgdb_local(title)
+        if data:
+            return data
+    if src == "libretro" and title:
+        data = covers.fetch_libretro_local(title)
+        if data:
+            return data
     url = candidate.get("image_url")
     if url:
         data = covers.download_image(url, timeout)
@@ -858,7 +878,6 @@ def _scrape_cover(system, candidate, rid, timeout=20):
             if candidate.get("source") == "igdb":
                 return covers.compose_game_cover(data)
             return data
-    title = candidate.get("title") or ""
     if title:
         path = covers.fetch_cover(title, rid, system, timeout=timeout)
         if path is not None:
@@ -955,6 +974,8 @@ class ScrapeDialog(QDialog):
                 icon = QIcon(pm)
             year = r.get("year") or (r.get("release_date") or "")[:4]
             label = f"{r['title']} ({year})" if year else r["title"]
+            if r.get("source") not in (None, "igdb", "tmdb"):
+                label += f"  [{r['source']}]"
             item = QListWidgetItem(icon, label)
             if r.get("overview"):
                 item.setToolTip(r["overview"])