treewide(refactor): rename files to follow the same style

lib/models/configs/members_by_status.dart

@@ -0,0 +1,15 @@
+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/membership_status.dart";
+part "members_by_status.freezed.dart";
+part "members_by_status.g.dart";
+
+@freezed
+abstract class MembersByStatusConfig with _$MembersByStatusConfig {
+  const factory MembersByStatusConfig({
+    required String roomId,
+    required MembershipStatus status,
+  }) = _MembersByStatusConfig;
+
+  factory MembersByStatusConfig.fromJson(Map<String, Object?> json) =>
+      _$MembersByStatusConfigFromJson(json);
+}

lib/models/configs/power_level.dart

@@ -0,0 +1,28 @@
+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/content/content.dart";
+import "package:nexus/models/membership_action.dart";
+part "power_level.freezed.dart";
+
+@freezed
+sealed class PowerLevelConfig with _$PowerLevelConfig {
+  const factory PowerLevelConfig({
+    required EventType eventType,
+    required String roomId,
+  }) = EventPowerLevelConfig;
+
+  const factory PowerLevelConfig.membershipAction({
+    required MembershipAction action,
+    required String targetUser,
+    required String roomId,
+  }) = MembershipActionPowerLevelConfig;
+
+  const factory PowerLevelConfig.state({
+    required EventType eventType,
+    required String roomId,
+  }) = StatePowerLevelConfig;
+
+  const factory PowerLevelConfig.redaction({
+    required String targetUser,
+    required String roomId,
+  }) = RedactionPowerLevelConfig;
+}

lib/models/configs/reactions.dart

@@ -0,0 +1,14 @@
+import "package:freezed_annotation/freezed_annotation.dart";
+part "reactions.freezed.dart";
+part "reactions.g.dart";
+
+@freezed
+abstract class ReactionsConfig with _$ReactionsConfig {
+  const factory ReactionsConfig({
+    required String roomId,
+    required int eventRowId,
+  }) = _ReactionsConfig;
+
+  factory ReactionsConfig.fromJson(Map<String, Object?> json) =>
+      _$ReactionsConfigFromJson(json);
+}

lib/models/configs/user.dart

@@ -0,0 +1,12 @@
+import "package:freezed_annotation/freezed_annotation.dart";
+part "user.freezed.dart";
+part "user.g.dart";
+
+@freezed
+abstract class UserConfig with _$UserConfig {
+  const factory UserConfig({required String? roomId, required String userId}) =
+      _UserConfig;
+
+  factory UserConfig.fromJson(Map<String, Object?> json) =>
+      _$UserConfigFromJson(json);
+}