feat: Blurhash integration

Resolve #6559

src/models/repositories/user.ts

@@ -165,7 +165,8 @@ export class UserRepository extends Repository<User> {
 			username: user.username,
 			host: user.host,
 			avatarUrl: user.avatarUrl ? user.avatarUrl : config.url + '/avatar/' + user.id,
-			avatarColor: user.avatarColor,
+			avatarBlurhash: user.avatarBlurhash,
+			avatarColor: null, // 後方互換性のため
 			isAdmin: user.isAdmin || falsy,
 			isModerator: user.isModerator || falsy,
 			isBot: user.isBot || falsy,
@@ -196,7 +197,8 @@ export class UserRepository extends Repository<User> {
 				createdAt: user.createdAt.toISOString(),
 				updatedAt: user.updatedAt ? user.updatedAt.toISOString() : null,
 				bannerUrl: user.bannerUrl,
-				bannerColor: user.bannerColor,
+				bannerBlurhash: user.bannerBlurhash,
+				bannerColor: null, // 後方互換性のため
 				isLocked: user.isLocked,
 				isModerator: user.isModerator || falsy,
 				isSilenced: user.isSilenced || falsy,
@@ -331,7 +333,7 @@ export const packedUserSchema = {
 			format: 'url',
 			nullable: true as const, optional: false as const,
 		},
-		avatarColor: {
+		avatarBlurhash: {
 			type: 'any' as const,
 			nullable: true as const, optional: false as const,
 		},
@@ -340,7 +342,7 @@ export const packedUserSchema = {
 			format: 'url',
 			nullable: true as const, optional: true as const,
 		},
-		bannerColor: {
+		bannerBlurhash: {
 			type: 'any' as const,
 			nullable: true as const, optional: true as const,
 		},