feat: Add persistent settings and multiple layouts support

- Add settings manager to persist symbol, timeframe, and layouts
- Support multiple layouts for comprehensive chart analysis
- Remove debug screenshots for cleaner logs
- Update AI analysis with professional trading prompt
- Add multi-screenshot analysis for better trading insights
- Update analyze API to use saved settings and multiple layouts

scripts/convert-solana-key.mjs

@@ -0,0 +1,11 @@
+import bs58 from 'bs58';
+import fs from 'fs';
+
+// Paste your base58 private key string here
+const base58 = process.argv[2];
+if (!base58) {
+  console.error('Usage: node convert-solana-key.mjs <base58key>');
+  process.exit(1);
+}
+const arr = Array.from(bs58.decode(base58));
+console.log(JSON.stringify(arr));