diff --git a/packages/backend/src/models/json-schema/drive-file.ts b/packages/backend/src/models/json-schema/drive-file.ts
index 87f1340812..7b65c2142c 100644
--- a/packages/backend/src/models/json-schema/drive-file.ts
+++ b/packages/backend/src/models/json-schema/drive-file.ts
@@ -74,7 +74,7 @@ export const packedDriveFileSchema = {
 		},
 		url: {
 			type: 'string',
-			optional: false, nullable: true,
+			optional: false, nullable: false,
 			format: 'url',
 		},
 		thumbnailUrl: {
@@ -94,7 +94,7 @@ export const packedDriveFileSchema = {
 		},
 		folder: {
 			type: 'object',
-			optional: true, nullable: true,
+			optional: false, nullable: true,
 			ref: 'DriveFolder',
 		},
 		userId: {
@@ -105,7 +105,7 @@ export const packedDriveFileSchema = {
 		},
 		user: {
 			type: 'object',
-			optional: true, nullable: true,
+			optional: false, nullable: true,
 			ref: 'UserLite',
 		},
 	},
diff --git a/packages/backend/src/models/json-schema/drive-folder.ts b/packages/backend/src/models/json-schema/drive-folder.ts
index aaad301303..36f8a791ae 100644
--- a/packages/backend/src/models/json-schema/drive-folder.ts
+++ b/packages/backend/src/models/json-schema/drive-folder.ts
@@ -37,7 +37,7 @@ export const packedDriveFolderSchema = {
 		},
 		parent: {
 			type: 'object',
-			optional: true, nullable: true,
+			optional: true, nullable: false,
 			ref: 'DriveFolder',
 		},
 	},
diff --git a/packages/backend/src/models/json-schema/page.ts b/packages/backend/src/models/json-schema/page.ts
index 3ae07f3c1c..9baacd6884 100644
--- a/packages/backend/src/models/json-schema/page.ts
+++ b/packages/backend/src/models/json-schema/page.ts
@@ -35,10 +35,18 @@ export const packedPageSchema = {
 		content: {
 			type: 'array',
 			optional: false, nullable: false,
+			items: {
+				type: 'object',
+				optional: false, nullable: false,
+			},
 		},
 		variables: {
 			type: 'array',
 			optional: false, nullable: false,
+			items: {
+				type: 'object',
+				optional: false, nullable: false,
+			},
 		},
 		title: {
 			type: 'string',
diff --git a/packages/backend/src/models/json-schema/user.ts b/packages/backend/src/models/json-schema/user.ts
index 30489b0b63..4767f51e27 100644
--- a/packages/backend/src/models/json-schema/user.ts
+++ b/packages/backend/src/models/json-schema/user.ts
@@ -124,7 +124,7 @@ export const packedUserLiteSchema = {
 						nullable: false, optional: false,
 					},
 					iconUrl: {
-						type: 'number',
+						type: 'string',
 						nullable: true, optional: false,
 					},
 					displayOrder: {
@@ -153,18 +153,15 @@ export const packedUserDetailedNotMeOnlySchema = {
 		movedTo: {
 			type: 'string',
 			format: 'uri',
-			nullable: true,
-			optional: false,
+			nullable: true, optional: false,
 		},
 		alsoKnownAs: {
 			type: 'array',
-			nullable: true,
-			optional: false,
+			nullable: true, optional: false,
 			items: {
 				type: 'string',
 				format: 'id',
-				nullable: false,
-				optional: false,
+				nullable: false, optional: false,
 			},
 		},
 		createdAt: {
@@ -359,11 +356,11 @@ export const packedUserDetailedNotMeOnlySchema = {
 		},
 		memo: {
 			type: 'string',
-			nullable: false, optional: true,
+			nullable: true, optional: false,
 		},
 		moderationNote: {
 			type: 'string',
-			nullable: true, optional: true,
+			nullable: false, optional: true,
 		},
 		//#region relations
 		isFollowing: {
@@ -433,27 +430,27 @@ export const packedMeDetailedOnlySchema = {
 		},
 		injectFeaturedNote: {
 			type: 'boolean',
-			nullable: true, optional: false,
+			nullable: false, optional: false,
 		},
 		receiveAnnouncementEmail: {
 			type: 'boolean',
-			nullable: true, optional: false,
+			nullable: false, optional: false,
 		},
 		alwaysMarkNsfw: {
 			type: 'boolean',
-			nullable: true, optional: false,
+			nullable: false, optional: false,
 		},
 		autoSensitive: {
 			type: 'boolean',
-			nullable: true, optional: false,
+			nullable: false, optional: false,
 		},
 		carefulBot: {
 			type: 'boolean',
-			nullable: true, optional: false,
+			nullable: false, optional: false,
 		},
 		autoAcceptFollowed: {
 			type: 'boolean',
-			nullable: true, optional: false,
+			nullable: false, optional: false,
 		},
 		noCrawle: {
 			type: 'boolean',
@@ -538,7 +535,7 @@ export const packedMeDetailedOnlySchema = {
 		},
 		emailNotificationTypes: {
 			type: 'array',
-			nullable: true, optional: false,
+			nullable: false, optional: false,
 			items: {
 				type: 'string',
 				nullable: false, optional: false,