feat: add indicatorVersion to CreateTradeParams interface and createTrade function

lib/database/trades.ts

@@ -52,6 +52,7 @@ export interface CreateTradeParams {
   volumeAtEntry?: number
   pricePositionAtEntry?: number
   signalQualityScore?: number
+  indicatorVersion?: string // TradingView Pine Script version (v5, v6, etc.)
   // Phantom trade fields
   status?: string
   isPhantom?: boolean
@@ -143,6 +144,7 @@ export async function createTrade(params: CreateTradeParams) {
         volumeAtEntry: params.volumeAtEntry,
         pricePositionAtEntry: params.pricePositionAtEntry,
         signalQualityScore: params.signalQualityScore,
+        indicatorVersion: params.indicatorVersion,
         // Phantom trade fields
         isPhantom: params.isPhantom || false,
         expectedSizeUSD: params.expectedSizeUSD,