feat: Add real-time trust score to wallet dashboard

- Fetch trust score from pallet_trust via API
- Display score in WalletModal with Award icon
- Shows user's current trust score from blockchain
- Gradient styling (purple to cyan) for visual appeal
- Fallback to '-' when API not ready or score unavailable

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/components/wallet/WalletModal.tsx

@@ -1,5 +1,5 @@
-import React, { useState } from 'react';
+import React, { useState, useEffect } from 'react';
-import { Wallet, Chrome, ExternalLink, Copy, Check, LogOut } from 'lucide-react';
+import { Wallet, Chrome, ExternalLink, Copy, Check, LogOut, Award } from 'lucide-react';
 import {
   Dialog,
   DialogContent,
@@ -23,10 +23,13 @@ export const WalletModal: React.FC<WalletModalProps> = ({ isOpen, onClose }) =>
     setSelectedAccount,
     connectWallet,
     disconnectWallet,
+    api,
+    isApiReady,
     error
   } = usePolkadot();
 
   const [copied, setCopied] = useState(false);
+  const [trustScore, setTrustScore] = useState<string>('-');
 
   const handleCopyAddress = () => {
     if (selectedAccount?.address) {
@@ -50,6 +53,27 @@ export const WalletModal: React.FC<WalletModalProps> = ({ isOpen, onClose }) =>
     onClose();
   };
 
+  // Fetch trust score from blockchain
+  useEffect(() => {
+    const fetchTrustScore = async () => {
+      if (!api || !isApiReady || !selectedAccount?.address) {
+        setTrustScore('-');
+        return;
+      }
+
+      try {
+        const score = await api.query.trust.trustScoreOf(selectedAccount.address);
+        setTrustScore(score.toString());
+        console.log('✅ Trust score fetched:', score.toString());
+      } catch (err) {
+        console.warn('Failed to fetch trust score:', err);
+        setTrustScore('-');
+      }
+    };
+
+    fetchTrustScore();
+  }, [api, isApiReady, selectedAccount]);
+
   return (
     <Dialog open={isOpen} onOpenChange={onClose}>
       <DialogContent className="sm:max-w-md">
@@ -125,6 +149,16 @@ export const WalletModal: React.FC<WalletModalProps> = ({ isOpen, onClose }) =>
                 </div>
               </div>
 
+              <div>
+                <div className="text-xs text-gray-400 mb-1">Trust Score</div>
+                <div className="flex items-center gap-2">
+                  <Award className="h-4 w-4 text-purple-400" />
+                  <span className="text-lg font-bold bg-gradient-to-r from-purple-400 to-cyan-400 bg-clip-text text-transparent">
+                    {trustScore}
+                  </span>
+                </div>
+              </div>
+
               <div>
                 <div className="text-xs text-gray-400 mb-1">Source</div>
                 <div className="text-sm text-gray-300">