refactor(L1): reorder IProtocolVersions members to match style guide

Events before errors, and mutating externals before view getters, mirroring
the ProtocolVersions contract body and the repo style-guide ordering. ABI is
generator-sorted, so no snapshot or semver-lock impact.

Generated with Claude Code

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

Author: PelleKrab

interfaces/L1/IProtocolVersions.sol

@@ -8,6 +8,13 @@ import { IReinitializableBase } from "interfaces/universal/IReinitializableBase.
 /// @title IProtocolVersions
 /// @notice Interface for the ProtocolVersions upgrade schedule contract.
 interface IProtocolVersions is IProxyAdminOwnedBase, ISemver, IReinitializableBase {
+    event UpgradeRegistered(uint256 indexed id);
+    event MinimumProtocolVersionUpdated(uint256 indexed protocolVersion);
+    event TimestampSet(uint256 indexed id, uint256 timestamp);
+    event ScheduleIdUpdated(bytes32 indexed newScheduleId);
+    event IncidentResponderUpdated(address indexed previousIncidentResponder, address indexed newIncidentResponder);
+    event Initialized(uint8 version);
+
     error ProtocolVersions_UnknownUpgrade(uint256 id);
     error ProtocolVersions_InvalidProtocolVersion();
     error ProtocolVersions_ActivationAlreadyPassed(uint256 id, uint64 activationTimestamp);
@@ -17,28 +24,19 @@ interface IProtocolVersions is IProxyAdminOwnedBase, ISemver, IReinitializableBa
     error ProtocolVersions_NotInitialized();
     error ProtocolVersions_InsufficientNotice(uint64 timestamp);
 
-    event UpgradeRegistered(uint256 indexed id);
-    event MinimumProtocolVersionUpdated(uint256 indexed protocolVersion);
-    event TimestampSet(uint256 indexed id, uint256 timestamp);
-    event ScheduleIdUpdated(bytes32 indexed newScheduleId);
-    event IncidentResponderUpdated(address indexed previousIncidentResponder, address indexed newIncidentResponder);
-    event Initialized(uint8 version);
-
-    function MIN_NOTICE() external view returns (uint64);
-
-    function incidentResponder() external view returns (address);
-    function scheduleId() external view returns (bytes32);
-    function scheduleId(uint256 id) external view returns (bytes32);
-    function minimumProtocolVersion() external view returns (uint256);
-
-    function getSchedule() external view returns (uint64[] memory);
-
     function initialize(address _incidentResponder) external;
     function registerUpgrade(uint64 timestamp, uint256 minProtocolVersion) external returns (uint256);
     function setMinimumProtocolVersion(uint256 protocolVersion) external;
     function setTimestamp(uint256 id, uint64 timestamp) external;
     function setIncidentResponder(address newIncidentResponder) external;
     function delayTimestamp(uint256 id, uint64 newTimestamp) external;
 
+    function MIN_NOTICE() external view returns (uint64);
+    function minimumProtocolVersion() external view returns (uint256);
+    function incidentResponder() external view returns (address);
+    function scheduleId() external view returns (bytes32);
+    function scheduleId(uint256 id) external view returns (bytes32);
+    function getSchedule() external view returns (uint64[] memory);
+
     function __constructor__() external;
 }