feat: add admin functions for contract updates, pausing, and emergency mode

src/LiquidityManagerV2.sol

@@ -629,4 +629,48 @@ contract LiquidityManagerV2 is Ownable, ReentrancyGuard, Pausable {
         }
         protocolFeeRecipient = newRecipient;
     }
+
+    /**
+     * @notice Update vesting contract
+     * @param newVestingContract New vesting contract address
+     */
+    function updateVestingContract(address newVestingContract) external onlyOwner {
+        if (newVestingContract == address(0)) {
+            revert LiquidityManager__InvalidTokenAddress();
+        }
+        vestingContract = VestingContract(newVestingContract);
+    }
+
+    /**
+     * @notice Update factory contract
+     * @param newFactory New factory contract address
+     */
+    function updateFactoryContract(address newFactory) external onlyOwner {
+        if (newFactory == address(0)) {
+            revert LiquidityManager__InvalidTokenAddress();
+        }
+        factoryContract = newFactory;
+    }
+
+    /**
+     * @notice Pause the contract
+     */
+    function pause() external onlyOwner {
+        _pause();
+    }
+
+    /**
+     * @notice Unpause the contract
+     */
+    function unpause() external onlyOwner {
+        _unpause();
+    }
+
+    /**
+     * @notice Enable emergency mode for a pool
+     * @param poolId Pool identifier
+     */
+    function enableEmergencyMode(bytes32 poolId) external onlyOwner {
+        poolInfo[poolId].emergencyMode = true;
+    }
 }