Closes #011 - Refactor Smart Money tab and extend DEV_MODE shield

app/api/insider/route.ts

@@ -2,6 +2,128 @@ import { NextResponse } from 'next/server';
 
 export const dynamic = 'force-dynamic';
 
+const MOCK_EXECUTIVES = [
+  {
+    id: 'mock_exec_1',
+    ticker: 'PLTR',
+    insiderName: 'Karp Alexander C.',
+    relation: 'CEO / Director',
+    type: 'SELL',
+    shares: 250000,
+    value: 9250000,
+    date: '2026-06-10',
+    insight: 'Verkauf durch CEO/CFO. Häufig automatisiert (10b5-1 Plan) zur Portfoliodiversifikation.'
+  },
+  {
+    id: 'mock_exec_2',
+    ticker: 'NVDA',
+    insiderName: 'Huang Jen Hsun',
+    relation: 'CEO / President',
+    type: 'SELL',
+    shares: 120000,
+    value: 15400000,
+    date: '2026-06-09',
+    insight: 'Regulärer Verkauf im Rahmen eines vorab festgelegten 10b5-1 Handelsplans.'
+  },
+  {
+    id: 'mock_exec_3',
+    ticker: 'AAPL',
+    insiderName: 'Maestri Luca',
+    relation: 'CFO / Senior VP',
+    type: 'BUY',
+    shares: 15000,
+    value: 2850000,
+    date: '2026-06-08',
+    insight: 'Starkes Conviction-Signal: CFO kauft eigene Aktien aus freien Mitteln.'
+  },
+  {
+    id: 'mock_exec_4',
+    ticker: 'TSLA',
+    insiderName: 'Taneja Vaibhav',
+    relation: 'Chief Accounting Officer',
+    type: 'BUY',
+    shares: 5000,
+    value: 950000,
+    date: '2026-06-07',
+    insight: 'Opportunistischer Conviction-Kauf mit positivem Signal für den Markt.'
+  }
+];
+
+const MOCK_CONGRESS = [
+  {
+    id: 'mock_cong_1',
+    ticker: 'MSFT',
+    representative: 'Nancy Pelosi',
+    chamber: 'HOUSE',
+    type: 'BUY',
+    valueRange: '$1,000,001 - $5,000,000',
+    transactionDate: '2026-05-20',
+    filingDate: '2026-06-05',
+    lagDays: 16,
+    insight: 'Politisches Conviction-Signal (Nancy Pelosi). Möglicher Informationsvorsprung.'
+  },
+  {
+    id: 'mock_cong_2',
+    ticker: 'NVIDIA',
+    representative: 'Tommy Tuberville',
+    chamber: 'SENATE',
+    type: 'SELL',
+    valueRange: '$100,001 - $250,000',
+    transactionDate: '2026-05-15',
+    filingDate: '2026-06-02',
+    lagDays: 18,
+    insight: 'Taktische Reduzierung der Position im Rahmen von Compliance-Richtlinien.'
+  },
+  {
+    id: 'mock_cong_3',
+    ticker: 'LMT',
+    representative: 'Mark Green',
+    chamber: 'HOUSE',
+    type: 'BUY',
+    valueRange: '$50,001 - $100,000',
+    transactionDate: '2026-05-18',
+    filingDate: '2026-06-01',
+    lagDays: 14,
+    insight: 'Akkumulation im Rüstungssektor. Zeitliche Nähe zu Haushaltsbeschlüssen.'
+  }
+];
+
+const MOCK_WHALES = [
+  {
+    id: 'mock_whale_1',
+    ticker: 'AMZN',
+    institution: 'Scion Asset Management (Michael Burry)',
+    type: 'BUY',
+    sharesTraded: 50000,
+    sharesHeld: 150000,
+    filingDate: '2026-05-15',
+    estimatedValue: 9150000,
+    insight: 'Institutionelle Akkumulation durch Scion Asset Management. Aufbau einer strategischen Position.'
+  },
+  {
+    id: 'mock_whale_2',
+    ticker: 'GOOGL',
+    institution: 'Akre Capital Management',
+    type: 'BUY',
+    sharesTraded: 250000,
+    sharesHeld: 1250000,
+    filingDate: '2026-05-15',
+    estimatedValue: 43250000,
+    insight: 'Aufbau/Verstärkung einer langfristigen Kernposition durch Akre Capital.'
+  },
+  {
+    id: 'mock_whale_3',
+    ticker: 'TSLA',
+    institution: 'Renaissance Technologies LLC',
+    type: 'SELL',
+    sharesTraded: 450000,
+    sharesHeld: 2100000,
+    filingDate: '2026-05-14',
+    estimatedValue: 85500000,
+    insight: 'Taktische Gewinnmitnahme / Quantitative Portfolio-Rebalancierung.'
+  }
+];
+
 function getStrategicInsight(trade: { type: string; relation: string; value: number; ticker: string }) {
   const isBuy = trade.type === 'BUY';
   const relation = (trade.relation || '').toUpperCase();
@@ -42,6 +164,22 @@ export async function GET(request: Request) {
   const { searchParams } = new URL(request.url);
   const type = searchParams.get('type') || 'executives';
   const apiKey = process.env.FMP_API_KEY;
+  const isDevMode = process.env.DEV_MODE === 'true';
+
+  if (isDevMode) {
+    let mockResults: any[] = [];
+    if (type === 'executives') mockResults = MOCK_EXECUTIVES;
+    else if (type === 'congress') mockResults = MOCK_CONGRESS;
+    else if (type === 'whales') mockResults = MOCK_WHALES;
+
+    const res = NextResponse.json(
+      { results: mockResults, liveDataAvailable: false, isShieldActive: true },
+      { status: 200 }
+    );
+    res.headers.set('Cache-Control', 'no-store, max-age=0, must-revalidate');
+    res.headers.set('X-Shield-Active', 'true');
+    return res;
+  }
 
   if (!apiKey) {
     console.error("====== CRITICAL INSIDER ROUTE FAILURE ======", new Error("FMP_API_KEY is not configured in environment variables."));