refactor(SearchDialog.tsx): simplify system loading by directly calling ListSystemsWithRegions

frontend/src/components/SearchDialog.tsx

@@ -3,6 +3,7 @@ import { useNavigate } from 'react-router-dom';
 import { Dialog, DialogContent, DialogHeader, DialogTitle } from '@/components/ui/dialog';
 import { Input } from '@/components/ui/input';
 import { AhoCorasick } from '@/lib/aho';
+import { ListSystemsWithRegions } from 'wailsjs/go/main/App';
 
 interface SearchResult {
   system: string;
@@ -10,22 +11,16 @@ interface SearchResult {
 }
 
 async function loadAllSystems(): Promise<Array<SearchResult>> {
-  // Fetch from Go (Wails): local SQLite DB via App.ListSystemsWithRegions
-  try {
-    const list = await (window as any)?.go?.main?.App?.ListSystemsWithRegions?.();
-    if (Array.isArray(list)) {
-      const seen = new Set<string>();
-      const out: Array<SearchResult> = [];
-      for (const item of list) {
-        const system = String(item.system);
-        if (seen.has(system)) continue;
-        seen.add(system);
-        out.push({ system, region: String(item.region) });
-      }
-      return out;
-    }
-  } catch (_) { /* noop */ }
-  return [];
+  const list = await ListSystemsWithRegions();
+  const seen = new Set<string>();
+  const out: Array<SearchResult> = [];
+  for (const item of list) {
+    const system = String(item.system);
+    if (seen.has(system)) continue;
+    seen.add(system);
+    out.push({ system, region: String(item.region) });
+  }
+  return out;
 }
 
 export const SearchDialog: React.FC = () => {