feat(frontend): restore Zibll-like global search panel

Render full search overlay with types/history/suggestions for tabbar
and desktop header toggle. Open panel on all viewports (not mobile-only)
and wire data-toggle-class/.navbar-search compatibility hooks.

assets/js/core/search.js

@@ -248,24 +248,33 @@
       }, 180);
     }
 
-    function isMobileSearchMode() {
-      return window.innerWidth < 768 && !!mobileOverlay;
-    }
-
     function setOpen(open) {
-      if (isMobileSearchMode()) {
-        if (open) {
-          mobileOverlay.removeAttribute("hidden");
-          document.body.classList.add("tabbar-search-open");
-          if (mobileInput) mobileInput.focus();
-          if (historyEnabled) renderHistory();
-          if (suggestionsEnabled) requestSuggestions();
-        } else {
-          mobileOverlay.setAttribute("hidden", "");
-          document.body.classList.remove("tabbar-search-open");
-          if (suggestionsSection) suggestionsSection.hidden = true;
+      if (!mobileOverlay) return;
+      var toggles = document.querySelectorAll(".main-search-btn, .nav-search-toggle, [data-aksrt-open-search]");
+      if (open) {
+        mobileOverlay.removeAttribute("hidden");
+        mobileOverlay.setAttribute("aria-hidden", "false");
+        mobileOverlay.classList.add("is-open", "show");
+        document.body.classList.add("tabbar-search-open");
+        if (mobileInput) {
+          try { mobileInput.focus(); } catch (e) {}
         }
-        return;
+        if (historyEnabled) {
+          if (aksrtData.isLoggedIn) {
+            requestHistorySync("get", null, function (items) { renderHistory(items); });
+          } else {
+            renderHistory();
+          }
+        }
+        if (suggestionsEnabled) requestSuggestions();
+        toggles.forEach(function (btn) { btn.setAttribute("aria-expanded", "true"); });
+      } else {
+        mobileOverlay.setAttribute("hidden", "");
+        mobileOverlay.setAttribute("aria-hidden", "true");
+        mobileOverlay.classList.remove("is-open", "show");
+        document.body.classList.remove("tabbar-search-open");
+        if (suggestionsSection) suggestionsSection.hidden = true;
+        toggles.forEach(function (btn) { btn.setAttribute("aria-expanded", "false"); });
       }
     }
 
@@ -280,6 +289,22 @@
       });
     }
 
+    document.querySelectorAll(".main-search-btn, .nav-search-toggle, [data-aksrt-open-search]").forEach(function (btn) {
+      btn.addEventListener("click", function (e) {
+        e.preventDefault();
+        setOpen(true);
+      });
+    });
+
+    // Zibll-compatible data-toggle-class for .navbar-search
+    document.addEventListener("click", function (e) {
+      var toggle = e.target.closest('[data-toggle-class][data-target=".navbar-search"], [data-toggle-class][data-target=".main-search"]');
+      if (!toggle) return;
+      e.preventDefault();
+      var isOpen = mobileOverlay && !mobileOverlay.hasAttribute("hidden");
+      setOpen(!isOpen);
+    });
+
     if (historyClear) {
       historyClear.addEventListener("click", function () {
         if (aksrtData.isLoggedIn) {
@@ -317,6 +342,13 @@
       });
     });
 
+    // Panel type buttons should also sync desktop/drawer forms
+    document.querySelectorAll("#tabbar-search-types [data-search-type], [data-aksrt-search-form] [data-search-type]").forEach(function (button) {
+      button.addEventListener("click", function () {
+        setSearchType(button.getAttribute("data-search-type") || "post");
+      });
+    });
+
     if (mobileInput) {
       mobileInput.addEventListener("input", requestSuggestions);
     }
@@ -351,7 +383,7 @@
     }
 
     document.addEventListener("keydown", function (e) {
-      if (e.key === "Escape" && isMobileSearchMode() && mobileOverlay && !mobileOverlay.hasAttribute("hidden")) {
+      if (e.key === "Escape" && mobileOverlay && !mobileOverlay.hasAttribute("hidden")) {
         setOpen(false);
       }
     });