Add explicit return values in store catch blocks to prevent undefined crashes

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/stores/conformance.ts

@@ -353,6 +353,7 @@ export const useConformanceStore = defineStore("conformanceStore", {
           error,
           "Failed to Get the detail of a temporary log conformance issue.",
         );
+        return null;
       }
     },
     /**
@@ -393,6 +394,7 @@ export const useConformanceStore = defineStore("conformanceStore", {
           error,
           "Failed to Get the detail of a temporary log conformance loop.",
         );
+        return null;
       }
     },
     /**