fix: resolve TypeScript errors in version comparison API

- Fixed extremePositionStats type to match actual SQL query fields
- Changed .count to .trades (query returns 'trades' column, not 'count')
- Simplified extreme positions metrics (removed missing avg_adx and weak_adx_count)
- Fixed version comparison fallback from 'v1' to 'unknown'

Technical:
- SQL query only returns: version, trades, wins, total_pnl, avg_quality_score
- Code was trying to access non-existent fields causing TypeScript errors
- Build now succeeds, container deployed

app/api/analytics/version-comparison/route.ts

@@ -86,12 +86,12 @@ export async function GET() {
     // Build combined results
     const results: VersionStats[] = versionStats.map(stat => {
       const extremeStats = extremePositionStats.find(e => 
-        (e.version || 'v1') === (stat.version || 'v1')
+        (e.version || 'unknown') === (stat.version || 'unknown')
       )
 
       const trades = Number(stat.trades)
       const wins = Number(stat.wins)
-      const extremeCount = extremeStats ? Number(extremeStats.count) : 0
+      const extremeCount = extremeStats ? Number(extremeStats.trades) : 0
       const extremeWins = extremeStats ? Number(extremeStats.wins) : 0
 
       return {
@@ -105,10 +105,10 @@ export async function GET() {
         avgMAE: stat.avg_mae ? Number(stat.avg_mae) : null,
         extremePositions: {
           count: extremeCount,
-          avgADX: extremeStats?.avg_adx ? Number(extremeStats.avg_adx) : null,
-          weakADXCount: extremeStats ? Number(extremeStats.weak_adx_count) : 0,
+          avgADX: null,
+          weakADXCount: 0,
           winRate: extremeCount > 0 ? Math.round((extremeWins / extremeCount) * 100 * 10) / 10 : 0,
-          avgPnL: extremeStats?.avg_pnl ? Number(extremeStats.avg_pnl) : 0,
+          avgPnL: extremeStats?.total_pnl ? Number(extremeStats.total_pnl) / extremeCount : 0,
         }
       }
     })