feat: keep global search useful during partial failures (#199)

frontend/commands.js

@@ -21,6 +21,7 @@
     const delay = options.delay === undefined ? 250 : options.delay;
     let timer = null;
     let generation = 0;
+    let activeController = null;
 
     return {
       setQuery(value) {
@@ -28,17 +29,26 @@
         generation += 1;
         const current = generation;
         if (timer !== null) clearTimeout(timer);
+        if (activeController !== null) activeController.abort();
+        activeController = null;
         if (query.length < 2) {
           onState({ status: 'idle', query, items: [] });
           return;
         }
         onState({ status: 'loading', query, items: [] });
         timer = setTimeout(async () => {
+          const requestController = new AbortController();
+          activeController = requestController;
           try {
-            const items = await search(query);
-            if (current === generation) onState({ status: 'ready', query, items });
+            const result = await search(query, requestController.signal);
+            const items = Array.isArray(result) ? result : result.items;
+            const partial = !Array.isArray(result) && result.partial === true;
+            if (current === generation) onState({ status: 'ready', query, items, partial });
           } catch (error) {
+            if (error && error.name === 'AbortError') return;
             if (current === generation) onState({ status: 'error', query, items: [], error });
+          } finally {
+            if (activeController === requestController) activeController = null;
           }
         }, delay);
       },

frontend/index.html

@@ -1794,13 +1794,17 @@ textarea { resize: vertical; min-height: 120px; }
   let commandSearchState = { status:'idle', query:'', items:[] };
   let commandItems = [];
   let commandSelection = -1;
-  async function searchGlobalWork(query) {
+  async function searchGlobalWork(query, signal) {
     const response = await fetch('api/v1/search?q=' + encodeURIComponent(query) + '&limit=10', {
       headers: { Accept:'application/json' },
+      signal,
     });
     const payload = await response.json().catch(() => ({}));
     if (!response.ok) throw new Error(payload.error || 'Search is temporarily unavailable.');
-    return Array.isArray(payload.items) ? payload.items : [];
+    return {
+      items: Array.isArray(payload.items) ? payload.items : [],
+      partial: payload.partial === true,
+    };
   }
   const commandSearch = filterCommands.createGlobalSearchController({
     search: searchGlobalWork,
@@ -1920,6 +1924,7 @@ textarea { resize: vertical; min-height: 120px; }
     }).join('');
     if (commandSearchState.status === 'loading') html += '<div class="cmd-status">Searching accessible work…</div>';
     else if (commandSearchState.status === 'error') html += '<div class="cmd-status">Search unavailable. Keep typing or retry.</div>';
+    else if (commandSearchState.partial) html += '<div class="cmd-status">Some results are temporarily unavailable.</div>';
     else if (String(filter || '').trim().length >= 2 && !remote.length) html += '<div class="cmd-status">No matching issues or pull requests.</div>';
     el.innerHTML = html;
     el.querySelectorAll('.cmd-item').forEach((item) => {