fix: Add getPrismaClient import for Bug #89 fractional remnant detection

- Fixed import in health monitor to include getPrismaClient
- Required for Bug #89 FRACTIONAL_REMNANT database queries
- Resolved Build 2 module resolution error (../database/client)
- Corrected import path to ../database/trades

Also includes v11.2 PineScript emergency parameter fix

lib/health/position-manager-health.ts

@@ -14,7 +14,7 @@
  */
 
 import { getInitializedPositionManager } from '../trading/position-manager'
-import { getOpenTrades } from '../database/trades'
+import { getOpenTrades, getPrismaClient } from '../database/trades'
 import { getDriftService } from '../drift/client'
 
 export interface HealthCheckResult {