add filtering and sorting features; enhance events and articles pages with URL state persistence

public/admin/assets/js/intel-graph.js

@@ -86,6 +86,14 @@ let graphSearchTerm = "";
 let graphSelectedId = null;
 
 
+function syncGraphUrl() {
+  queryWrite({
+    q:    graphSearchTerm,
+    type: graphFilterType && graphFilterType !== "all" ? graphFilterType : "",
+  });
+}
+
+
 async function loadIntelGraph() {
   const data = await api("/admin/api/intelligence/graph");
 
@@ -547,8 +555,24 @@ async function toggleEvidenceRow(row) {
 
 
 document.addEventListener("DOMContentLoaded", async () => {
+  // restore search/type from url
+  const urlSearch = queryGet("q");
+  const urlType   = queryGet("type") || "all";
+
+  if (urlSearch) {
+    document.getElementById("graph-search").value = urlSearch;
+    graphSearchTerm = urlSearch.toLowerCase();
+  }
+  if (urlType && urlType !== "all") {
+    graphFilterType = urlType;
+    document.querySelectorAll(".graph-chip").forEach(c =>
+      c.classList.toggle("active", c.dataset.type === urlType)
+    );
+  }
+
   document.getElementById("graph-search").addEventListener("input", ev => {
     graphSearchTerm = ev.target.value.trim().toLowerCase();
+    syncGraphUrl();
     applyGraphFilters();
   });
 
@@ -558,6 +582,7 @@ document.addEventListener("DOMContentLoaded", async () => {
     document.querySelectorAll(".graph-chip").forEach(c => c.classList.remove("active"));
     btn.classList.add("active");
     graphFilterType = btn.dataset.type;
+    syncGraphUrl();
     applyGraphFilters();
   });