refactor admin data queries; consolidate multiple count queries and optimize article fetching

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

@@ -2,22 +2,15 @@
 // cards are glance-only; clicking opens a modal with the full breakdown.
 // depends on: app.js, intel-shared.js
 
+// full dataset kept in memory so filters/sort never re-fetch
+let allSignals = [];
+
 // local lookup of signal rows keyed by company_id — so the modal can
 // render without re-fetching. references are still lazy-loaded per open.
 const signalsById = new Map();
 
 
-async function loadSignals() {
-  let data;
-  try {
-    data = await api("/admin/api/intelligence/signals");
-  } catch (_) {
-    data = [];
-  }
-
-  signalsById.clear();
-  (data || []).forEach(s => signalsById.set(s.company_id, s));
-
+function renderSignals(data) {
   const grid  = document.getElementById("intel-signals-grid");
   const empty = document.getElementById("intel-signals-empty");
 
@@ -61,6 +54,55 @@ async function loadSignals() {
 }
 
 
+function applyFilters() {
+  const search = (document.getElementById("sf-search").value || "").trim().toLowerCase();
+  const signal = document.getElementById("sf-signal").value;
+  const confidence = document.getElementById("sf-confidence").value;
+  const risk = document.getElementById("sf-risk").value;
+  const sort = document.getElementById("sf-sort").value;
+
+  let results = allSignals.filter(s => {
+    if (search && !s.company_name.toLowerCase().includes(search) && !s.ticker.toLowerCase().includes(search)) return false;
+    if (signal && s.signal !== signal) return false;
+    if (confidence && (s.confidence || "").toLowerCase() !== confidence) return false;
+    if (risk && (s.risk_level || "").toLowerCase() !== risk) return false;
+    return true;
+  });
+
+  results.sort((a, b) => {
+    if (sort === "event_desc") {
+      const da = a.latest_event_date || "";
+      const db = b.latest_event_date || "";
+      return da < db ? 1 : da > db ? -1 : 0;
+    }
+    if (sort === "company_asc") return a.company_name.localeCompare(b.company_name);
+    if (sort === "company_desc") return b.company_name.localeCompare(a.company_name);
+    // generated_desc (default)
+    const ga = a.generated_at || "";
+    const gb = b.generated_at || "";
+    return ga < gb ? 1 : ga > gb ? -1 : 0;
+  });
+
+  renderSignals(results);
+}
+
+
+async function loadSignals() {
+  let data;
+  try {
+    data = await api("/admin/api/intelligence/signals");
+  } catch (_) {
+    data = [];
+  }
+
+  allSignals = data || [];
+  signalsById.clear();
+  allSignals.forEach(s => signalsById.set(s.company_id, s));
+
+  applyFilters();
+}
+
+
 let currentSignal = null;
 
 function openSignalModal(companyId) {
@@ -187,16 +229,9 @@ async function regenerateSignal() {
     await api(`/admin/api/intelligence/signals/${companyId}`, { method: "DELETE" });
     toast("Signal cleared — worker will regenerate on next cycle");
     signalsById.delete(companyId);
-
-    const card = document.querySelector(`.signal-card[onclick*="(${companyId})"]`);
-    if (card) card.remove();
-
-    const grid = document.getElementById("intel-signals-grid");
-    if (!grid.children.length) {
-      document.getElementById("intel-signals-empty").style.display = "";
-    }
-
+    allSignals = allSignals.filter(s => s.company_id !== companyId);
     closeSignalModal();
+    applyFilters();
   } catch (_) {
     toast("Failed to clear signal", true);
   }
@@ -207,6 +242,12 @@ document.addEventListener("DOMContentLoaded", () => {
   document.getElementById("signalCloseBtn").onclick = closeSignalModal;
   document.getElementById("signalRegenBtn").onclick = regenerateSignal;
 
+  document.getElementById("sf-search").addEventListener("input", applyFilters);
+  document.getElementById("sf-signal").addEventListener("change", applyFilters);
+  document.getElementById("sf-confidence").addEventListener("change", applyFilters);
+  document.getElementById("sf-risk").addEventListener("change", applyFilters);
+  document.getElementById("sf-sort").addEventListener("change", applyFilters);
+
   // fire both in parallel — signals api returns [] when intelligence
   // db is unavailable, so no need to gate on the stats call
   Promise.all([loadIntelStatsRow(), loadSignals()]);