🚀 Fix Drift Protocol integration - Connection now working

✅ Key fixes:
- Bypass problematic SDK subscription that caused 410 Gone errors
- Use direct account verification without subscription
- Add fallback modes for better reliability
- Switch to Helius RPC endpoint for better rate limits
- Implement proper error handling and retry logic

🔧 Technical changes:
- Enhanced drift-trading.ts with no-subscription approach
- Added Drift API endpoints (/api/drift/login, /balance, /positions)
- Created DriftAccountStatus and DriftTradingPanel components
- Updated Dashboard.tsx to show Drift account status
- Added comprehensive test scripts for debugging

📊 Results:
- Connection Status: Connected ✅
- Account verification: Working ✅
- Balance retrieval: Working ✅ (21.94 total collateral)
- Private key authentication: Working ✅
- User account: 3dG7wayp7b9NBMo92D2qL2sy1curSC4TTmskFpaGDrtA

🌐 RPC improvements:
- Using Helius RPC for better reliability
- Added fallback RPC options in .env
- Eliminated rate limiting issues

.tradingview-session/session-storage.json

@@ -1,27 +0,0 @@
-{
-  "localStorage": {
-    "cookie_dialog_tracked": "1",
-    "tradingview.widgetbar.widget.alerts.bhwdEXIZXDRD": "{}",
-    "tradingview.globalNotification": "14180",
-    "tradingview.SymbolSearch.recent": "[\"COINBASE:SOLUSD\"]",
-    "tradingview.details.force_uncheck_bid_ask_03_2023": "true",
-    "tvlocalstorage.available": "true",
-    "tradingview.widgetbar.layout-settings": "{\"widgets\":{\"watchlist\":[{\"id\":\"watchlist.UnmJh4ohCYUv\"}],\"detail\":[{\"id\":\"detail.dYGOrm50hOjz\"}],\"alerts\":[{\"id\":\"alerts.bhwdEXIZXDRD\"}],\"object_tree\":[{\"id\":\"object_tree.74i7WNrleNPn\"}]},\"settings\":{\"width\":300,\"version\":2}}",
-    "first_visit_time": "1752350284651",
-    "tradingview.trading.oanda_rest_launched_in_country": "DE",
-    "tradingview.trading.orderWidgetMode.": "panel",
-    "snowplowOutQueue_tv_cf_post2.expires": "1815426215944",
-    "tradingview.widgetbar.widget.object_tree.74i7WNrleNPn": "{\"selectedPage\":\"object_tree\"}",
-    "featuretoggle_seed": "79463",
-    "tradingview.symboledit.tradable": "true",
-    "snowplowOutQueue_tv_cf_post2": "[]",
-    "tradingview.editchart.model.style": "1",
-    "tradingview.editchart.model.interval": "D",
-    "tradingview.editchart.model.symbol": "COINBASE:SOLUSD",
-    "tradingview.trading.tradingPanelOpened": "false",
-    "last-crosstab-monotonic-timestamp": "1752350304273",
-    "tradingview.details.force_uncheck_ranges_03_2023": "true",
-    "signupSource": "auth page tvd"
-  },
-  "sessionStorage": {}
-}