feat(frontend): load systems from PocketBase and add system focus to region page

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 pb from '@/lib/pocketbase';
 
 interface SearchResult {
   system: string;
@@ -10,21 +11,25 @@ interface SearchResult {
 }
 
 async function loadAllSystems(): Promise<Array<SearchResult>> {
-  // Fetch the list of regions from universe.json then fetch each region JSON for systems
-  const res = await fetch('/universe.json');
-  if (!res.ok) return [];
-  const regions: Array<{ regionName: string } & Record<string, any>> = await res.json();
+  // Fetch system names with regions from PocketBase, paginated and minimal fields
+  const perPage = 1000;
+  let page = 1;
   const out: Array<SearchResult> = [];
-  await Promise.all(regions.map(async (r) => {
-    try {
-      const rr = await fetch(`/${encodeURIComponent(r.regionName)}.json`);
-      if (!rr.ok) return;
-      const systems: Array<{ solarSystemName: string } & Record<string, any>> = await rr.json();
-      for (const s of systems) {
-        out.push({ system: s.solarSystemName, region: r.regionName });
+  const seen = new Set<string>();
+  // loop pages until fewer than perPage items
+  while (true) {
+    const res = await pb.collection('regionview').getList(page, perPage, { fields: 'sysname,sysregion' });
+    for (const item of res.items as any[]) {
+      const system: string = item.sysname;
+      const region: string = item.sysregion;
+      if (!seen.has(system)) {
+        seen.add(system);
+        out.push({ system, region });
+      }
+    }
+    if (res.items.length < perPage) break;
+    page += 1;
   }
-    } catch (_) { /* noop */ }
-  }));
   return out;
 }
 
@@ -36,7 +41,6 @@ export const SearchDialog: React.FC = () => {
   const [results, setResults] = useState<Array<SearchResult>>([]);
   const inputRef = useRef<HTMLInputElement | null>(null);
 
-  // Build AC automaton of single query to enable contains search efficiently (case-insensitive)
   const automaton = useMemo(() => {
     const ac = new AhoCorasick();
     if (query.trim().length > 0) ac.add(query.toLowerCase());
@@ -60,17 +64,14 @@ export const SearchDialog: React.FC = () => {
   useEffect(() => {
     if (!open) return;
     if (all.length === 0) {
-      // lazy load once
       loadAllSystems().then(setAll);
     }
   }, [open, all.length]);
 
   useEffect(() => {
     if (query.trim().length === 0) { setResults([]); return; }
-    const q = query.toLowerCase();
     const out: Array<SearchResult> = [];
     for (const r of all) {
-      // contains via Aho–Corasick over the single query pattern
       if (automaton.searchHas(r.system.toLowerCase())) {
         out.push(r);
         if (out.length >= 10) break;
@@ -82,7 +83,7 @@ export const SearchDialog: React.FC = () => {
   const onSelect = (r: SearchResult) => {
     setOpen(false);
     setQuery('');
-    navigate(`/regions/${encodeURIComponent(r.region)}/${encodeURIComponent(r.system)}`);
+    navigate(`/regions/${encodeURIComponent(r.region)}?focus=${encodeURIComponent(r.system)}`);
   };
 
   return (

frontend/src/pages/RegionPage.tsx

@@ -1,4 +1,4 @@
-import { useParams } from 'react-router-dom';
+import { useParams, useSearchParams } from 'react-router-dom';
 import { RegionMap } from '@/components/RegionMap';
 import { Button } from '@/components/ui/button';
 import { ArrowLeft } from 'lucide-react';
@@ -6,6 +6,8 @@ import { useNavigate } from 'react-router-dom';
 
 export const RegionPage = () => {
   const { region } = useParams<{ region: string }>();
+  const [sp] = useSearchParams();
+  const focus = sp.get('focus') || undefined;
   const navigate = useNavigate();
 
   if (!region) {
@@ -31,6 +33,7 @@ export const RegionPage = () => {
       <RegionMap
         regionName={region}
         isWormholeRegion={region === "Wormhole"}
+        focusSystem={focus}
       />
     </div>
   );