feat: add SmartProvider support to BrokerLiquidator

script/broker/deploy_broker.s.sol

@@ -37,8 +37,8 @@ contract DeployLendingBroker is DeployBase {
     console.log("Deployer: ", deployer);
     vm.startBroadcast(deployerPrivateKey);
 
-    // Deploy LendingBroker implementation
-    LendingBroker impl = new LendingBroker(moolah, interestRelayer, oracle, wbnb);
+    // Deploy LendingBroker implementation (single impl shared across all proxies)
+    LendingBroker impl = new LendingBroker(moolah, wbnb);
     console.log("LendingBroker implementation: ", address(impl));
 
     // Deploy LendingBroker proxy
@@ -51,7 +51,9 @@ contract DeployLendingBroker is DeployBase {
         bot,
         pauser,
         rateCalculator,
-        maxFixedLoanPositions
+        maxFixedLoanPositions,
+        interestRelayer,
+        oracle
       )
     );
     console.log("LendingBroker proxy: ", address(proxy));

script/broker/deploy_brokerImpl.s.sol

@@ -35,9 +35,11 @@ contract DeployLendingBrokerImpl is DeployBase {
     0xc26CaAcb00854c5460030B0aFde60C37D9d39C79,
     0x3ade951523e81dD45e5787bb0b95Ce7341Db1287
   ];
+  address moolah;
   address wbnb;
 
   function setUp() public {
+    moolah = vm.envAddress("MOOLAH");
     wbnb = vm.envOr("WBNB", address(0));
   }
 
@@ -48,19 +50,9 @@ contract DeployLendingBrokerImpl is DeployBase {
 
     vm.startBroadcast(deployerPrivateKey);
 
-    for (uint256 i = 0; i < brokers.length; i++) {
-      address payable proxy = payable(brokers[i]);
-
-      // Read constructor params from the existing proxy contract
-      address _moolah = address(LendingBroker(proxy).MOOLAH());
-      address _relayer = LendingBroker(proxy).RELAYER();
-      address _oracle = address(LendingBroker(proxy).ORACLE());
-
-      // Deploy LendingBroker implementation
-      LendingBroker impl = new LendingBroker(_moolah, _relayer, _oracle, wbnb);
-      console.log("Broker proxy:", proxy);
-      console.log("  New impl:  ", address(impl));
-    }
+    // Deploy LendingBroker implementation
+    LendingBroker impl = new LendingBroker(moolah, wbnb);
+    console.log("LendingBroker implementation: ", address(impl));
 
     vm.stopBroadcast();
   }

script/broker/deploy_broker_20260408.s.sol

@@ -55,7 +55,7 @@ contract DeployXautBrokers is DeployBase {
 
   function _deployBroker(string memory label, address relayer, address oracle, address deployer) internal {
     // Deploy implementation
-    LendingBroker impl = new LendingBroker(MOOLAH, relayer, oracle, address(0));
+    LendingBroker impl = new LendingBroker(MOOLAH, address(0));
     console.log(string.concat("LendingBroker(", label, ") impl: "), address(impl));
 
     // Deploy proxy