refactor(modal): remove legacy compatibility paths

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

assets/js/core/modal-triggers.js

@@ -0,0 +1,42 @@
+/**
+ * Declarative modal triggers.
+ *
+ * The only modal entry point is AksrtModalRuntime. Triggers carry an
+ * explicit URL and never create a second modal implementation.
+ *
+ * @package AKSRT
+ */
+(function (window, document) {
+  "use strict";
+
+  function openFromTrigger(element) {
+    var runtime = window.AksrtModalRuntime;
+    var url = element.getAttribute("data-aksrt-modal-url") || "";
+    if (!url || url === "#") return;
+
+    var ttl = parseInt(element.getAttribute("data-aksrt-modal-cache-ttl") || "15000", 10);
+    var tags = (element.getAttribute("data-aksrt-modal-cache-tags") || "").split(",").map(function (tag) {
+      return tag.trim();
+    }).filter(Boolean);
+
+    runtime.openRemote({
+      url: url,
+      method: element.getAttribute("data-aksrt-modal-method") || "GET",
+      className: element.getAttribute("data-aksrt-modal-class") || "modal-mini full-sm",
+      height: parseInt(element.getAttribute("data-aksrt-modal-height") || "0", 10) || 0,
+      mobileBottom: element.getAttribute("data-aksrt-modal-mobile-bottom") === "true",
+      bottom: element.getAttribute("data-aksrt-modal-bottom") === "true",
+      kind: element.getAttribute("data-aksrt-modal-kind") || "generic",
+      cacheKey: element.getAttribute("data-aksrt-modal-cache-key") || "",
+      cacheTtl: ttl > 0 ? ttl : 15000,
+      cacheTags: tags,
+    });
+  }
+
+  document.addEventListener("click", function (event) {
+    var trigger = event.target.closest('[data-aksrt-modal="remote"]');
+    if (!trigger) return;
+    event.preventDefault();
+    openFromTrigger(trigger);
+  });
+})(window, document);