Add search index

assets/layout.html

@@ -33,6 +33,7 @@
         </main>
         <footer>
             <span class="muted">Request time: {{.RenderMS}} ms</span>
+            {{block "footerExtras" .}}{{end}}
         </footer>
         {{block "extras" .}}{{end}}
     </body>

assets/search-actions.js

@@ -0,0 +1,26 @@
+function rebuildIndex() {
+    openModal({ title: 'Rebuilding search index…', body: 'Walking the wiki tree.' });
+    fetch('/_reindex', { method: 'POST' })
+        .then(function (resp) {
+            if (!resp.ok) throw new Error('rebuild failed: ' + resp.status);
+            window.location.href = window.location.href;
+        })
+        .catch(function (err) {
+            closeModal();
+            openModal({ title: 'Rebuild failed', body: String(err), confirm: { label: 'OK' } });
+        });
+}
+
+document.addEventListener('DOMContentLoaded', function () {
+    wireDropdown(document.querySelector('[data-action="actions-drop"]'));
+
+    // Focus the search input on results pages so Tab steps directly into the
+    // first match — the input sits immediately before the results in DOM
+    // order, so the natural tab sequence is input → first result → next, …
+    var input = document.querySelector('.search-input');
+    if (input && input.value) {
+        input.focus();
+        var end = input.value.length;
+        try { input.setSelectionRange(end, end); } catch (e) {}
+    }
+});

assets/search.html

@@ -1,3 +1,5 @@
+{{define "headScripts"}}<script src="/_/search-actions.js"></script>{{end}}
+
 {{define "searchQuery"}}{{.Query}}{{end}}
 
 {{define "content"}}
@@ -18,3 +20,16 @@
 <p class="empty">Enter a query above.</p>
 {{end}}
 {{end}}
+
+{{define "footerExtras"}}
+{{if not .IndexBuiltAt.IsZero}}<span class="muted">· Index: {{.IndexBuiltAt.Format "2006-01-02 15:04"}}</span>{{end}}
+{{end}}
+
+{{define "extras"}}
+<div class="fab dropdown">
+    <button class="btn btn-fab" data-action="actions-drop" title="Actions" aria-label="Actions">≡</button>
+    <div class="dropdown-menu align-right open-up">
+        <button class="btn dropdown-item" onclick="rebuildIndex()" title="Rebuild search index">REBUILD INDEX</button>
+    </div>
+</div>
+{{end}}