apps/api/src/integrations/pl24/pl24.service.ts

@@ -1506,7 +1506,13 @@ export class PL24Service {
   }
 
   private isP4LegacyPath(linkPath: string): boolean {
-    return linkPath.includes(".action");
+    // PSA (Citroen/Peugeot/DS) leaf paths — json-illustrations.action and
+    // image-board.action — also contain ".action" but MUST route to the
+    // dedicated PSA handlers (fetchPsaIllustrations / fetchPsaParts), not the
+    // Ford/Fiat legacy parser. Without this /psa/ guard, the broad ".action"
+    // match here shadows the PSA dispatch in fetchSubGroupsByPath /
+    // fetchPartsByPath, so every PSA drill below main-group level returns empty.
+    return linkPath.includes(".action") && !linkPath.includes("/psa/");
   }
 
   private isPsaPath(linkPath: string): boolean {