feat: Complete sync fixes with batch analysis and security improvements

- Implement batch comparative analysis system for multi-timeframe insights
- Add comprehensive credential redaction for security (safe-logging.ts)
- Fix TypeScript compilation errors and interface compatibility
- Remove marketing text from analysis UI as requested
- Add concurrency protection to prevent analysis process overlap
- Fix duplicate screenshot display in gallery components
- All systems now working with successful build completion

app/api/batch-analysis/route.js

@@ -51,7 +51,7 @@ export async function POST(request) {
     // Create the progress session
     progressTracker.createSession(sessionId, initialSteps)
 
-    let allScreenshots = []
+    const allScreenshots = []
     const timeframeResults = []
 
     try {

lib/enhanced-screenshot-simple.ts

@@ -27,7 +27,7 @@ export class EnhancedScreenshotService {
       symbol: config.symbol,
       timeframe: config.timeframe,
       layouts: config.layouts,
-      sessionId: config.sessionId,
+      sessionId: (config as any).sessionId || 'none',
       credentials: '[REDACTED]'
     })