fix: fix Zagros endpoints, hide PEZ Rewards when pallet unavailable

- Remove Asset Hub and People Chain endpoints from Zagros/Development config (relay chain only)
- Default network now always mainnet
- PEZ Rewards card only renders when pallet is available on chain
- Dynamic grid layout when PEZ Rewards card is hidden

shared/blockchain/endpoints.ts

@@ -39,15 +39,13 @@ export const NETWORK_ENDPOINTS: Record<string, NetworkConfig> = {
     description: 'Production mainnet (mainnet subdomain)',
   },
 
-  // Zagros Testnet
+  // Zagros Testnet (Relay Chain only)
   ZAGROS: {
     name: 'Zagros Testnet',
     endpoint: 'https://zagros-rpc.pezkuwichain.io',
     wsEndpoint: 'wss://zagros-rpc.pezkuwichain.io',
-    assetHubEndpoint: 'wss://zagros-asset-hub.pezkuwichain.io',
-    peopleChainEndpoint: 'wss://zagros-people.pezkuwichain.io',
     type: 'testnet',
-    description: 'Zagros testnet for development and testing',
+    description: 'Zagros testnet - relay chain only',
   },
 
   // Testnet alias (maps to Zagros)
@@ -55,10 +53,8 @@ export const NETWORK_ENDPOINTS: Record<string, NetworkConfig> = {
     name: 'Zagros Testnet',
     endpoint: 'https://zagros-rpc.pezkuwichain.io',
     wsEndpoint: 'wss://zagros-rpc.pezkuwichain.io',
-    assetHubEndpoint: 'wss://zagros-asset-hub.pezkuwichain.io',
-    peopleChainEndpoint: 'wss://zagros-people.pezkuwichain.io',
     type: 'testnet',
-    description: 'Testnet environment (Zagros)',
+    description: 'Testnet environment (Zagros) - relay chain only',
   },
 
   // Local Development
@@ -72,15 +68,13 @@ export const NETWORK_ENDPOINTS: Record<string, NetworkConfig> = {
     description: 'Local development node',
   },
 
-  // Development alias (maps to Zagros for live testing)
+  // Development alias (maps to Zagros relay chain only)
   DEVELOPMENT: {
     name: 'Zagros Testnet',
     endpoint: 'https://zagros-rpc.pezkuwichain.io',
     wsEndpoint: 'wss://zagros-rpc.pezkuwichain.io',
-    assetHubEndpoint: 'wss://zagros-asset-hub.pezkuwichain.io',
-    peopleChainEndpoint: 'wss://zagros-people.pezkuwichain.io',
     type: 'development',
-    description: 'Development mode connecting to Zagros testnet',
+    description: 'Development mode connecting to Zagros relay chain',
   },
 
   // Legacy: Beta (deprecated, maps to Mainnet)
@@ -98,10 +92,7 @@ export const NETWORK_ENDPOINTS: Record<string, NetworkConfig> = {
 /**
  * Default network based on environment
  */
-export const DEFAULT_NETWORK =
-  process.env.NODE_ENV === 'production'
-    ? NETWORK_ENDPOINTS.MAINNET
-    : NETWORK_ENDPOINTS.ZAGROS;
+export const DEFAULT_NETWORK = NETWORK_ENDPOINTS.MAINNET;
 
 /**
  * Port Configuration

web/src/components/staking/StakingDashboard.tsx

@@ -428,7 +428,7 @@ export const StakingDashboard: React.FC = () => {
   return (
     <div className="space-y-6">
       {/* Overview Cards */}
-      <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-5 gap-4">
+      <div className={`grid grid-cols-1 md:grid-cols-2 ${pezRewards ? 'lg:grid-cols-5' : 'lg:grid-cols-4'} gap-4`}>
         <Card className="bg-gray-900 border-gray-800">
           <CardHeader className="pb-3">
             <CardTitle className="text-sm text-gray-400">Total Bonded</CardTitle>
@@ -508,11 +508,12 @@ export const StakingDashboard: React.FC = () => {
           </CardContent>
         </Card>
 
-        <Card className="bg-gray-900 border-gray-800">
-          <CardHeader className="pb-3">
-            <div className="flex items-center justify-between">
-              <CardTitle className="text-sm text-gray-400">PEZ Rewards</CardTitle>
-              {pezRewards && (
+        {/* PEZ Rewards - only show when pallet is available */}
+        {pezRewards && (
+          <Card className="bg-gray-900 border-gray-800">
+            <CardHeader className="pb-3">
+              <div className="flex items-center justify-between">
+                <CardTitle className="text-sm text-gray-400">PEZ Rewards</CardTitle>
                 <span className={`text-xs px-2 py-0.5 rounded-full font-medium ${
                   pezRewards.epochStatus === 'Open'
                     ? 'bg-green-500/20 text-green-400'
@@ -522,11 +523,9 @@ export const StakingDashboard: React.FC = () => {
                 }`}>
                   {pezRewards.epochStatus === 'Open' ? 'Open' : pezRewards.epochStatus === 'ClaimPeriod' ? 'Claim Period' : 'Closed'}
                 </span>
-              )}
-            </div>
-          </CardHeader>
-          <CardContent>
-            {pezRewards ? (
+              </div>
+            </CardHeader>
+            <CardContent>
               <div className="space-y-2">
                 <p className="text-xs text-gray-500">Epoch {pezRewards.currentEpoch}</p>
 
@@ -552,7 +551,7 @@ export const StakingDashboard: React.FC = () => {
                 )}
 
                 {/* Claimable rewards */}
-                {pezRewards.hasPendingClaim ? (
+                {pezRewards.hasPendingClaim && (
                   <>
                     <div className="text-2xl font-bold text-orange-500">
                       {parseFloat(pezRewards.totalClaimable).toFixed(2)} PEZ
@@ -574,20 +573,11 @@ export const StakingDashboard: React.FC = () => {
                       ))}
                     </div>
                   </>
-                ) : (
-                  !pezRewards.hasRecordedThisEpoch && pezRewards.epochStatus !== 'Open' && (
-                    <div className="text-2xl font-bold text-gray-500">0 PEZ</div>
-                  )
                 )}
               </div>
-            ) : (
-              <>
-                <div className="text-2xl font-bold text-gray-500">0 PEZ</div>
-                <p className="text-xs text-gray-500 mt-1">No rewards available</p>
-              </>
-            )}
-          </CardContent>
-        </Card>
+            </CardContent>
+          </Card>
+        )}
       </div>
 
       {/* Main Staking Interface */}

web/src/pages/Dashboard.tsx

@@ -581,32 +581,27 @@ export default function Dashboard() {
         </Card>
       </div>
 
-      {/* PEZ Rewards Card */}
-      {selectedAccount && (
+      {/* PEZ Rewards Card - only show when pallet is available */}
+      {selectedAccount && pezRewards && (
         <Card className="mb-6">
           <CardHeader className="flex flex-row items-center justify-between space-y-0 pb-2">
             <CardTitle className="text-sm font-medium">PEZ Rewards</CardTitle>
             <div className="flex items-center gap-2">
-              {pezRewards && (
-                <Badge className={
-                  pezRewards.epochStatus === 'Open'
-                    ? 'bg-green-500'
-                    : pezRewards.epochStatus === 'ClaimPeriod'
-                    ? 'bg-orange-500'
-                    : 'bg-gray-500'
-                }>
-                  {pezRewards.epochStatus === 'Open' ? 'Open' : pezRewards.epochStatus === 'ClaimPeriod' ? 'Claim Period' : 'Closed'}
-                </Badge>
-              )}
+              <Badge className={
+                pezRewards.epochStatus === 'Open'
+                  ? 'bg-green-500'
+                  : pezRewards.epochStatus === 'ClaimPeriod'
+                  ? 'bg-orange-500'
+                  : 'bg-gray-500'
+              }>
+                {pezRewards.epochStatus === 'Open' ? 'Open' : pezRewards.epochStatus === 'ClaimPeriod' ? 'Claim Period' : 'Closed'}
+              </Badge>
               <Coins className="h-4 w-4 text-orange-500" />
             </div>
           </CardHeader>
           <CardContent>
-            {loadingScores ? (
-              <div className="text-2xl font-bold">...</div>
-            ) : pezRewards ? (
-              <div className="space-y-3">
-                <p className="text-xs text-muted-foreground">Epoch {pezRewards.currentEpoch}</p>
+            <div className="space-y-3">
+              <p className="text-xs text-muted-foreground">Epoch {pezRewards.currentEpoch}</p>
 
                 {/* Open epoch: Record score or show recorded score */}
                 {pezRewards.epochStatus === 'Open' && (
@@ -664,12 +659,6 @@ export default function Dashboard() {
                   )
                 )}
               </div>
-            ) : (
-              <div>
-                <div className="text-2xl font-bold text-muted-foreground">0 PEZ</div>
-                <p className="text-xs text-muted-foreground">No rewards available</p>
-              </div>
-            )}
           </CardContent>
         </Card>
       )}