diff --git a/biome.json b/biome.json
index 20c89a522..779b9a417 100644
--- a/biome.json
+++ b/biome.json
@@ -59,6 +59,8 @@
 			},
 			"complexity": {
 				"noForEach": "off",
+				"noImportantStyles": "off",
+				"useLiteralKeys": "off",
 				"useFlatMap": "warn",
 				"noUselessSwitchCase": "warn",
 				"noUselessConstructor": "warn",
diff --git a/scripts/ais-relay.cjs b/scripts/ais-relay.cjs
index f6283ba71..ef1211987 100644
--- a/scripts/ais-relay.cjs
+++ b/scripts/ais-relay.cjs
@@ -2596,7 +2596,7 @@ const CLASSIFY_LLM_PROVIDERS = [
   },
 ];
 
-function classifyFetchLlmSingle(titles, apiKey, apiUrl, model, headers, extraBody, timeout) {
+function classifyFetchLlmSingle(titles, _apiKey, apiUrl, model, headers, extraBody, timeout) {
   return new Promise((resolve) => {
     const sanitized = titles.map((t) => t.replace(/[\n\r]/g, ' ').replace(/\|/g, '/').slice(0, 200).trim());
     const prompt = sanitized.map((t, i) => `${i}|${t}`).join('\n');
diff --git a/scripts/seed-conflict-intel.mjs b/scripts/seed-conflict-intel.mjs
index d5d008a0e..6f847b0db 100755
--- a/scripts/seed-conflict-intel.mjs
+++ b/scripts/seed-conflict-intel.mjs
@@ -203,7 +203,7 @@ async function fetchPizzintStatus() {
   const open = locations.filter(l => !l.isClosedNow);
   const spikes = locations.filter(l => l.isSpike).length;
   const avgPop = open.length > 0 ? open.reduce((s, l) => s + l.currentPopularity, 0) / open.length : 0;
-  let adjusted = Math.min(100, avgPop + spikes * 10);
+  const adjusted = Math.min(100, avgPop + spikes * 10);
   let defconLevel = 5, defconLabel = 'Normal Activity';
   if (adjusted >= 85) { defconLevel = 1; defconLabel = 'Maximum Activity'; }
   else if (adjusted >= 70) { defconLevel = 2; defconLabel = 'High Activity'; }
diff --git a/scripts/seed-economy.mjs b/scripts/seed-economy.mjs
index b198f0cc6..04017c3e6 100755
--- a/scripts/seed-economy.mjs
+++ b/scripts/seed-economy.mjs
@@ -96,7 +96,7 @@ async function fetchCapacityForSource(sourceCode, apiKey, startYear) {
   for (const row of rows) {
     if (row.period == null || row.capability == null) continue;
     const year = parseInt(row.period, 10);
-    if (isNaN(year)) continue;
+    if (Number.isNaN(year)) continue;
     const mw = typeof row.capability === 'number' ? row.capability : parseFloat(String(row.capability));
     if (!Number.isFinite(mw)) continue;
     yearTotals.set(year, (yearTotals.get(year) ?? 0) + mw);
@@ -172,7 +172,7 @@ async function fetchFredSeries() {
 
       const obsData = await obsResp.value.json();
       const observations = (obsData.observations || [])
-        .map((o) => { const v = parseFloat(o.value); return isNaN(v) || o.value === '.' ? null : { date: o.date, value: v }; })
+        .map((o) => { const v = parseFloat(o.value); return Number.isNaN(v) || o.value === '.' ? null : { date: o.date, value: v }; })
         .filter(Boolean)
         .reverse();
 
diff --git a/scripts/seed-forecasts.mjs b/scripts/seed-forecasts.mjs
index 0260bea80..54aeb438b 100644
--- a/scripts/seed-forecasts.mjs
+++ b/scripts/seed-forecasts.mjs
@@ -2363,7 +2363,7 @@ async function callForecastLLM(systemPrompt, userPrompt) {
       const text = json.choices?.[0]?.message?.content?.trim();
       if (!text || text.length < 20) continue;
       return { text, model: json.model || provider.model, provider: provider.name };
-    } catch (err) { console.warn(`  [LLM] ${provider.name}: ${err.message}`); continue; }
+    } catch (err) { console.warn(`  [LLM] ${provider.name}: ${err.message}`); }
   }
   return null;
 }
diff --git a/scripts/seed-research.mjs b/scripts/seed-research.mjs
index cb9e02e57..e119cfc80 100755
--- a/scripts/seed-research.mjs
+++ b/scripts/seed-research.mjs
@@ -176,7 +176,7 @@ async function fetchTechEvents() {
         if (!title) continue;
         const dateMatch = desc.match(/on\s+(\w+\s+\d{1,2},?\s+\d{4})/i);
         let startDate = null;
-        if (dateMatch) { const p = new Date(dateMatch[1]); if (!isNaN(p.getTime())) startDate = p.toISOString().split('T')[0]; }
+        if (dateMatch) { const p = new Date(dateMatch[1]); if (!Number.isNaN(p.getTime())) startDate = p.toISOString().split('T')[0]; }
         if (!startDate || startDate < today) continue;
         events.push({
           id: guid || `dev-${title.slice(0, 20)}`, title, type: 'conference',
diff --git a/scripts/seed-supply-chain-trade.mjs b/scripts/seed-supply-chain-trade.mjs
index e4352032a..9bddc752f 100755
--- a/scripts/seed-supply-chain-trade.mjs
+++ b/scripts/seed-supply-chain-trade.mjs
@@ -60,7 +60,7 @@ async function fetchShippingRates() {
       if (!resp.ok) { console.warn(`  FRED ${cfg.seriesId}: HTTP ${resp.status}`); continue; }
       const data = await resp.json();
       const observations = (data.observations || [])
-        .map(o => { const v = parseFloat(o.value); return isNaN(v) || o.value === '.' ? null : { date: o.date, value: v }; })
+        .map(o => { const v = parseFloat(o.value); return Number.isNaN(v) || o.value === '.' ? null : { date: o.date, value: v }; })
         .filter(Boolean).reverse();
       if (observations.length === 0) continue;
       const current = observations[observations.length - 1].value;
@@ -148,7 +148,7 @@ async function fetchBDI() {
     let articleDate = new Date().toISOString().slice(0, 10);
     if (dateMatch) {
       const parsed = new Date(`${dateMatch[2]} ${dateMatch[1]}, ${dateMatch[3]}`);
-      if (!isNaN(parsed.getTime())) articleDate = parsed.toISOString().slice(0, 10);
+      if (!Number.isNaN(parsed.getTime())) articleDate = parsed.toISOString().slice(0, 10);
     }
 
     const indices = [];
@@ -254,7 +254,7 @@ function parseFlowRows(data, indicator) {
   return dataset.map(row => {
     const year = parseInt(row.Year ?? row.year ?? '', 10);
     const value = parseFloat(row.Value ?? row.value ?? '');
-    return !isNaN(year) && !isNaN(value) ? { year, indicator, value } : null;
+    return !Number.isNaN(year) && !Number.isNaN(value) ? { year, indicator, value } : null;
   }).filter(Boolean);
 }
 
@@ -336,7 +336,7 @@ async function fetchTradeBarriers() {
       const year = parseInt(row.Year ?? row.year ?? '0', 10);
       const value = parseFloat(row.Value ?? row.value ?? '');
       const cc = String(row.ReportingEconomyCode ?? '');
-      return !isNaN(year) && !isNaN(value) && cc ? { country: WTO_MEMBER_CODES[cc] ?? '', countryCode: cc, year, value } : null;
+      return !Number.isNaN(year) && !Number.isNaN(value) && cc ? { country: WTO_MEMBER_CODES[cc] ?? '', countryCode: cc, year, value } : null;
     }).filter(Boolean);
   };
 
@@ -400,7 +400,7 @@ async function fetchTradeRestrictions() {
 
   const restrictions = [...latestByCountry.values()].map(row => {
     const value = parseFloat(row.Value ?? row.value ?? '');
-    if (isNaN(value)) return null;
+    if (Number.isNaN(value)) return null;
     const cc = String(row.ReportingEconomyCode ?? '');
     const year = String(row.Year ?? row.year ?? '');
     return {
@@ -438,7 +438,7 @@ async function fetchTariffTrends() {
     const datapoints = dataset.map(row => {
       const year = parseInt(row.Year ?? row.year ?? '', 10);
       const tariffRate = parseFloat(row.Value ?? row.value ?? '');
-      if (isNaN(year) || isNaN(tariffRate)) return null;
+      if (Number.isNaN(year) || Number.isNaN(tariffRate)) return null;
       return {
         reportingCountry: WTO_MEMBER_CODES[reporter] ?? reporter,
         partnerCountry: 'World', productSector: 'All products',
diff --git a/src/app/data-loader.ts b/src/app/data-loader.ts
index 88aff4c6f..2ba829682 100644
--- a/src/app/data-loader.ts
+++ b/src/app/data-loader.ts
@@ -766,7 +766,7 @@ export class DataLoaderManager implements AppModule {
 
       // Digest branch: server already aggregated feeds — map proto items to client types
       if (digest?.categories && category in digest.categories) {
-        let items = (digest.categories[category]?.items ?? [])
+        const items = (digest.categories[category]?.items ?? [])
           .map(protoItemToNewsItem)
           .filter(i => enabledNames.has(i.source));
 
diff --git a/src/components/TelegramIntelPanel.ts b/src/components/TelegramIntelPanel.ts
index faa7701b1..9ccbaf137 100644
--- a/src/components/TelegramIntelPanel.ts
+++ b/src/components/TelegramIntelPanel.ts
@@ -95,7 +95,7 @@ export class TelegramIntelPanel extends Panel {
   private buildItem(item: TelegramItem): HTMLElement {
     const timeAgo = formatTelegramTime(item.ts);
     const itemDate = new Date(item.ts).getTime();
-    const isLive = !isNaN(itemDate) && (Date.now() - itemDate) < LIVE_THRESHOLD_MS;
+    const isLive = !Number.isNaN(itemDate) && (Date.now() - itemDate) < LIVE_THRESHOLD_MS;
     const raw = item.text || '';
     const escaped = raw
       .replace(/&/g, '&amp;')
diff --git a/src/services/parallel-analysis.ts b/src/services/parallel-analysis.ts
index 3ae87d76e..0f065d4d9 100644
--- a/src/services/parallel-analysis.ts
+++ b/src/services/parallel-analysis.ts
@@ -75,12 +75,8 @@ const BUSINESS_DEMOTE = [
 class ParallelAnalysisService {
   private lastReport: AnalysisReport | null = null;
   private recentEmbeddings: Map<string, number[]> = new Map();
-  private analysisCount = 0;
-
   async analyzeHeadlines(clusters: ClusteredEvent[]): Promise<AnalysisReport> {
 
-    this.analysisCount++;
-
     const analyzed: AnalyzedHeadline[] = [];
     const titles = clusters.map(c => c.primaryTitle);
 
@@ -415,7 +411,7 @@ class ParallelAnalysisService {
 
     const scores = perspectives.map(p => p.score);
     const mean = scores.reduce((a, b) => a + b, 0) / scores.length;
-    const variance = scores.reduce((sum, s) => sum + Math.pow(s - mean, 2), 0) / scores.length;
+    const variance = scores.reduce((sum, s) => sum + (s - mean) ** 2, 0) / scores.length;
     const disagreement = Math.sqrt(variance);
 
     return {
diff --git a/src/services/storage.ts b/src/services/storage.ts
index e91b9b039..ae7992ccc 100644
--- a/src/services/storage.ts
+++ b/src/services/storage.ts
@@ -142,7 +142,7 @@ export function calculateDeviation(current: number, baseline: BaselineEntry): {
     return { zScore: 0, percentChange: 0, level: 'normal' };
   }
 
-  const variance = counts.reduce((sum, c) => sum + Math.pow(c - avg, 2), 0) / counts.length;
+  const variance = counts.reduce((sum, c) => sum + (c - avg) ** 2, 0) / counts.length;
   const stdDev = Math.sqrt(variance) || 1;
 
   const zScore = (current - avg) / stdDev;
diff --git a/src/utils/transit-chart.ts b/src/utils/transit-chart.ts
index 6df32f660..d21691558 100644
--- a/src/utils/transit-chart.ts
+++ b/src/utils/transit-chart.ts
@@ -104,7 +104,7 @@ export class TransitChart {
     const dpr = window.devicePixelRatio || 1;
     const rect = canvas.getBoundingClientRect();
     const W = rect.width;
-    const H = parseInt(canvas.style.height) || 140;
+    const H = parseInt(canvas.style.height, 10) || 140;
     canvas.width = W * dpr;
     canvas.height = H * dpr;
 
diff --git a/tests/seed-warm-ping-origin.test.mjs b/tests/seed-warm-ping-origin.test.mjs
index fb4dcaaeb..1de0eff72 100644
--- a/tests/seed-warm-ping-origin.test.mjs
+++ b/tests/seed-warm-ping-origin.test.mjs
@@ -18,7 +18,7 @@ describe('warm-ping seed scripts', () => {
     assert.match(src, /method:\s*'POST'/);
   });
 
-  it('sends the app Origin header for military\/maritime warm-pings', () => {
+  it('sends the app Origin header for military/maritime warm-pings', () => {
     const src = readScript('scripts/seed-military-maritime-news.mjs');
     assert.match(src, /Origin:\s*'https:\/\/worldmonitor\.app'/);
     assert.match(src, /method:\s*'POST'/);