feat: Deploy HA auto-failover with database promotion

- Enhanced DNS failover monitor on secondary (72.62.39.24)
- Auto-promotes database: pg_ctl promote on failover
- Creates DEMOTED flag on primary via SSH (split-brain protection)
- Telegram notifications with database promotion status
- Startup safety script ready (integration pending)
- 90-second automatic recovery vs 10-30 min manual
- Zero-cost 95% enterprise HA benefit

Status: DEPLOYED and MONITORING (14:52 CET)
Next: Controlled failover test during maintenance

app/api/trading/market-data/route.ts

@@ -37,12 +37,15 @@ function normalizeTradingViewSymbol(tvSymbol: string): string {
     'FARTUSDT': 'FARTCOIN-PERP',
     'FART': 'FARTCOIN-PERP',
     'SOLUSDT': 'SOL-PERP',
+    'SOLUSDT.P': 'SOL-PERP',
     'SOLUSD': 'SOL-PERP',
     'SOL': 'SOL-PERP',
     'ETHUSDT': 'ETH-PERP',
+    'ETHUSDT.P': 'ETH-PERP',
     'ETHUSD': 'ETH-PERP',
     'ETH': 'ETH-PERP',
     'BTCUSDT': 'BTC-PERP',
+    'BTCUSDT.P': 'BTC-PERP',
     'BTCUSD': 'BTC-PERP',
     'BTC': 'BTC-PERP'
   }
@@ -80,6 +83,16 @@ export async function POST(request: NextRequest) {
     }
 
     const driftSymbol = normalizeTradingViewSymbol(body.symbol)
+
+    // Parse timestamp defensively – fall back to now if malformed to avoid dropping data
+    const parsedTimestamp = body.timestamp ? new Date(body.timestamp) : new Date()
+    const timestamp = Number.isNaN(parsedTimestamp.getTime()) ? new Date() : parsedTimestamp
+    if (body.timestamp && Number.isNaN(parsedTimestamp.getTime())) {
+      console.warn('⚠️ Invalid timestamp in market data payload, falling back to now', {
+        symbol: driftSymbol,
+        provided: body.timestamp
+      })
+    }
     
     // Store in cache for immediate use
     const marketCache = getMarketDataCache()
@@ -115,7 +128,7 @@ export async function POST(request: NextRequest) {
           pricePosition: Number(body.pricePosition) || 50,
           maGap: Number(body.maGap) || undefined,
           volume: Number(body.volume) || undefined,
-          timestamp: new Date(body.timestamp || Date.now())
+          timestamp
         }
       })