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

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

@@ -1,9 +1,23 @@
 // intelligence → knowledge table
+// filter/sort/pagination persisted via url query params
 // depends on: app.js, intel-shared.js
 
 let knowledgeOffset = 0;
 
 
+function syncUrl() {
+  const companyId = document.getElementById("i-company").value;
+  const type      = document.getElementById("i-type").value;
+  const sort      = document.getElementById("i-sort").value;
+  queryWrite({
+    company_id: companyId,
+    type:       type,
+    sort:       sort && sort !== "id" ? sort : "",
+    offset:     knowledgeOffset > 0 ? knowledgeOffset : "",
+  });
+}
+
+
 async function loadKnowledge() {
   const companyId = document.getElementById("i-company").value;
   const type      = document.getElementById("i-type").value;
@@ -45,19 +59,32 @@ async function loadKnowledge() {
 document.addEventListener("DOMContentLoaded", async () => {
   document.getElementById("iPrevBtn").onclick = () => {
     knowledgeOffset = Math.max(0, knowledgeOffset - PAGE);
+    syncUrl();
     loadKnowledge();
   };
   document.getElementById("iNextBtn").onclick = () => {
     knowledgeOffset += PAGE;
+    syncUrl();
     loadKnowledge();
   };
   document.getElementById("i-filter-btn").onclick = () => {
     knowledgeOffset = 0;
+    syncUrl();
     loadKnowledge();
   };
 
   const ok = await loadIntelStatsRow();
   if (!ok) return;
+
   await loadIntelCompanies();
+
+  // restore from url (after dropdown is populated so company_id options exist)
+  queryApplyToInputs({
+    "i-company": "company_id",
+    "i-type":    "type",
+    "i-sort":    "sort",
+  });
+  knowledgeOffset = parseInt(queryGet("offset"), 10) || 0;
+
   loadKnowledge();
 });