Merge branch 'develop' into pizzax-indexeddb

31 files changed, 696 insertions, 926 deletions

diff --git a/packages/backend/src/server/api/endpoints/notes/children.ts b/packages/backend/src/server/api/endpoints/notes/children.ts
index 088ef65e96..86dde30d64 100644
--- a/packages/backend/src/server/api/endpoints/notes/children.ts
+++ b/packages/backend/src/server/api/endpoints/notes/children.ts
@@ -1,38 +1,17 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../define';
-import { makePaginationQuery } from '../../common/make-pagination-query';
-import { generateVisibilityQuery } from '../../common/generate-visibility-query';
-import { generateMutedUserQuery } from '../../common/generate-muted-user-query';
+import define from '../../define.js';
+import { makePaginationQuery } from '../../common/make-pagination-query.js';
+import { generateVisibilityQuery } from '../../common/generate-visibility-query.js';
+import { generateMutedUserQuery } from '../../common/generate-muted-user-query.js';
 import { Brackets } from 'typeorm';
-import { Notes } from '@/models/index';
-import { generateBlockedUserQuery } from '../../common/generate-block-query';
-import { generateMutedInstanceQuery } from '../../common/generate-muted-instance-query';
+import { Notes } from '@/models/index.js';
+import { generateBlockedUserQuery } from '../../common/generate-block-query.js';
+import { generateMutedInstanceQuery } from '../../common/generate-muted-instance-query.js';
 
 export const meta = {
 	tags: ['notes'],
 
 	requireCredential: false,
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-
-		limit: {
-			validator: $.optional.num.range(1, 100),
-			default: 10,
-		},
-
-		sinceId: {
-			validator: $.optional.type(ID),
-		},
-
-		untilId: {
-			validator: $.optional.type(ID),
-		},
-	},
-
 	res: {
 		type: 'array',
 		optional: false, nullable: false,
@@ -44,8 +23,19 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+		sinceId: { type: 'string', format: 'misskey:id' },
+		untilId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['noteId'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const query = makePaginationQuery(Notes.createQueryBuilder('note'), ps.sinceId, ps.untilId)
 		.andWhere(new Brackets(qb => { qb
 			.where(`note.replyId = :noteId`, { noteId: ps.noteId })
@@ -59,17 +49,23 @@ export default define(meta, async (ps, user) => {
 			}));
 		}))
 		.innerJoinAndSelect('note.user', 'user')
+		.leftJoinAndSelect('user.avatar', 'avatar')
+		.leftJoinAndSelect('user.banner', 'banner')
 		.leftJoinAndSelect('note.reply', 'reply')
 		.leftJoinAndSelect('note.renote', 'renote')
 		.leftJoinAndSelect('reply.user', 'replyUser')
-		.leftJoinAndSelect('renote.user', 'renoteUser');
+		.leftJoinAndSelect('replyUser.avatar', 'replyUserAvatar')
+		.leftJoinAndSelect('replyUser.banner', 'replyUserBanner')
+		.leftJoinAndSelect('renote.user', 'renoteUser')
+		.leftJoinAndSelect('renoteUser.avatar', 'renoteUserAvatar')
+		.leftJoinAndSelect('renoteUser.banner', 'renoteUserBanner');
 
 	generateVisibilityQuery(query, user);
 	if (user) generateMutedUserQuery(query, user);
 	if (user) generateBlockedUserQuery(query, user);
 	if (user) generateMutedInstanceQuery(query, user);
 
-	const notes = await query.take(ps.limit!).getMany();
+	const notes = await query.take(ps.limit).getMany();
 
 	return await Notes.packMany(notes, user);
 });
diff --git a/packages/backend/src/server/api/endpoints/notes/clips.ts b/packages/backend/src/server/api/endpoints/notes/clips.ts
index b89c6db4a8..9a863b7148 100644
--- a/packages/backend/src/server/api/endpoints/notes/clips.ts
+++ b/packages/backend/src/server/api/endpoints/notes/clips.ts
@@ -1,9 +1,7 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../define';
-import { ClipNotes, Clips } from '@/models/index';
-import { getNote } from '../../common/getters';
-import { ApiError } from '../../error';
+import define from '../../define.js';
+import { ClipNotes, Clips } from '@/models/index.js';
+import { getNote } from '../../common/getters.js';
+import { ApiError } from '../../error.js';
 import { In } from 'typeorm';
 
 export const meta = {
@@ -11,12 +9,6 @@ export const meta = {
 
 	requireCredential: false,
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-	},
-
 	res: {
 		type: 'array',
 		optional: false, nullable: false,
@@ -36,8 +28,16 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['noteId'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, me) => {
+export default define(meta, paramDef, async (ps, me) => {
 	const note = await getNote(ps.noteId).catch(e => {
 		if (e.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
 		throw e;
diff --git a/packages/backend/src/server/api/endpoints/notes/conversation.ts b/packages/backend/src/server/api/endpoints/notes/conversation.ts
index 4bd89c32e7..2552c0f99d 100644
--- a/packages/backend/src/server/api/endpoints/notes/conversation.ts
+++ b/packages/backend/src/server/api/endpoints/notes/conversation.ts
@@ -1,32 +1,14 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../define';
-import { ApiError } from '../../error';
-import { getNote } from '../../common/getters';
-import { Note } from '@/models/entities/note';
-import { Notes } from '@/models/index';
+import define from '../../define.js';
+import { ApiError } from '../../error.js';
+import { getNote } from '../../common/getters.js';
+import { Note } from '@/models/entities/note.js';
+import { Notes } from '@/models/index.js';
 
 export const meta = {
 	tags: ['notes'],
 
 	requireCredential: false,
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-
-		limit: {
-			validator: $.optional.num.range(1, 100),
-			default: 10,
-		},
-
-		offset: {
-			validator: $.optional.num.min(0),
-			default: 0,
-		},
-	},
-
 	res: {
 		type: 'array',
 		optional: false, nullable: false,
@@ -46,8 +28,18 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+		offset: { type: 'integer', default: 0 },
+	},
+	required: ['noteId'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const note = await getNote(ps.noteId).catch(e => {
 		if (e.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
 		throw e;
@@ -65,7 +57,7 @@ export default define(meta, async (ps, user) => {
 			conversation.push(p);
 		}
 
-		if (conversation.length == ps.limit!) {
+		if (conversation.length == ps.limit) {
 			return;
 		}
 
diff --git a/packages/backend/src/server/api/endpoints/notes/create.ts b/packages/backend/src/server/api/endpoints/notes/create.ts
index 4efa76b248..e4a9b28891 100644
--- a/packages/backend/src/server/api/endpoints/notes/create.ts
+++ b/packages/backend/src/server/api/endpoints/notes/create.ts
@@ -1,26 +1,14 @@
-import $ from 'cafy';
 import ms from 'ms';
-import { length } from 'stringz';
-import create from '@/services/note/create';
-import define from '../../define';
-import { fetchMeta } from '@/misc/fetch-meta';
-import { ApiError } from '../../error';
-import { ID } from '@/misc/cafy-id';
-import { User } from '@/models/entities/user';
-import { Users, DriveFiles, Notes, Channels, Blockings } from '@/models/index';
-import { DriveFile } from '@/models/entities/drive-file';
-import { Note } from '@/models/entities/note';
-import { DB_MAX_NOTE_TEXT_LENGTH } from '@/misc/hard-limits';
-import { noteVisibilities } from '../../../../types';
-import { Channel } from '@/models/entities/channel';
-
-let maxNoteTextLength = 500;
-
-setInterval(() => {
-	fetchMeta().then(m => {
-		maxNoteTextLength = m.maxNoteTextLength;
-	});
-}, 3000);
+import create from '@/services/note/create.js';
+import define from '../../define.js';
+import { ApiError } from '../../error.js';
+import { User } from '@/models/entities/user.js';
+import { Users, DriveFiles, Notes, Channels, Blockings } from '@/models/index.js';
+import { DriveFile } from '@/models/entities/drive-file.js';
+import { Note } from '@/models/entities/note.js';
+import { noteVisibilities } from '../../../../types.js';
+import { Channel } from '@/models/entities/channel.js';
+import { MAX_NOTE_TEXT_LENGTH } from '@/const.js';
 
 export const meta = {
 	tags: ['notes'],
@@ -34,84 +22,6 @@ export const meta = {
 
 	kind: 'write:notes',
 
-	params: {
-		visibility: {
-			validator: $.optional.str.or(noteVisibilities as unknown as string[]),
-			default: 'public',
-		},
-
-		visibleUserIds: {
-			validator: $.optional.arr($.type(ID)).unique().min(0),
-		},
-
-		text: {
-			validator: $.optional.nullable.str.pipe(text =>
-				text.trim() != ''
-					&& length(text.trim()) <= maxNoteTextLength
-					&& Array.from(text.trim()).length <= DB_MAX_NOTE_TEXT_LENGTH,	// DB limit
-			),
-			default: null,
-		},
-
-		cw: {
-			validator: $.optional.nullable.str.pipe(Notes.validateCw),
-		},
-
-		localOnly: {
-			validator: $.optional.bool,
-			default: false,
-		},
-
-		noExtractMentions: {
-			validator: $.optional.bool,
-			default: false,
-		},
-
-		noExtractHashtags: {
-			validator: $.optional.bool,
-			default: false,
-		},
-
-		noExtractEmojis: {
-			validator: $.optional.bool,
-			default: false,
-		},
-
-		fileIds: {
-			validator: $.optional.arr($.type(ID)).unique().range(1, 16),
-		},
-
-		mediaIds: {
-			validator: $.optional.arr($.type(ID)).unique().range(1, 16),
-			deprecated: true,
-		},
-
-		replyId: {
-			validator: $.optional.nullable.type(ID),
-		},
-
-		renoteId: {
-			validator: $.optional.nullable.type(ID),
-		},
-
-		channelId: {
-			validator: $.optional.nullable.type(ID),
-		},
-
-		poll: {
-			validator: $.optional.nullable.obj({
-				choices: $.arr($.str)
-					.unique()
-					.range(2, 10)
-					.each(c => c.length > 0 && c.length < 50),
-				multiple: $.optional.bool,
-				expiresAt: $.optional.nullable.num.int(),
-				expiredAfter: $.optional.nullable.num.int().min(1),
-			}).strict(),
-			ref: 'poll',
-		},
-	},
-
 	res: {
 		type: 'object',
 		optional: false, nullable: false,
@@ -175,8 +85,49 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		visibility: { type: 'string', enum: ['public', 'home', 'followers', 'specified'], default: "public" },
+		visibleUserIds: { type: 'array', uniqueItems: true, items: {
+			type: 'string', format: 'misskey:id',
+		} },
+		text: { type: 'string', nullable: true, maxLength: MAX_NOTE_TEXT_LENGTH, default: null },
+		cw: { type: 'string', nullable: true, maxLength: 100 },
+		localOnly: { type: 'boolean', default: false },
+		noExtractMentions: { type: 'boolean', default: false },
+		noExtractHashtags: { type: 'boolean', default: false },
+		noExtractEmojis: { type: 'boolean', default: false },
+		fileIds: { type: 'array', uniqueItems: true, minItems: 1, maxItems: 16, items: {
+			type: 'string', format: 'misskey:id',
+		} },
+		mediaIds: { type: 'array', uniqueItems: true, minItems: 1, maxItems: 16, items: {
+			type: 'string', format: 'misskey:id',
+		} },
+		replyId: { type: 'string', format: 'misskey:id', nullable: true },
+		renoteId: { type: 'string', format: 'misskey:id', nullable: true },
+		channelId: { type: 'string', format: 'misskey:id', nullable: true },
+		poll: {
+			type: 'object', nullable: true,
+			properties: {
+				choices: {
+					type: 'array', uniqueItems: true, minItems: 2, maxItems: 10, 
+					items: {
+						type: 'string', minLength: 1, maxLength: 50,
+					},
+				},
+				multiple: { type: 'boolean', default: false },
+				expiresAt: { type: 'integer', nullable: true },
+				expiredAfter: { type: 'integer', nullable: true, minimum: 1 },
+			},
+			required: ['choices'],
+		},
+	},
+	required: [],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	let visibleUsers: User[] = [];
 	if (ps.visibleUserIds) {
 		visibleUsers = (await Promise.all(ps.visibleUserIds.map(id => Users.findOne(id))))
diff --git a/packages/backend/src/server/api/endpoints/notes/delete.ts b/packages/backend/src/server/api/endpoints/notes/delete.ts
index 9e080d9e99..22ff2275ca 100644
--- a/packages/backend/src/server/api/endpoints/notes/delete.ts
+++ b/packages/backend/src/server/api/endpoints/notes/delete.ts
@@ -1,11 +1,9 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import deleteNote from '@/services/note/delete';
-import define from '../../define';
+import deleteNote from '@/services/note/delete.js';
+import define from '../../define.js';
 import ms from 'ms';
-import { getNote } from '../../common/getters';
-import { ApiError } from '../../error';
-import { Users } from '@/models/index';
+import { getNote } from '../../common/getters.js';
+import { ApiError } from '../../error.js';
+import { Users } from '@/models/index.js';
 
 export const meta = {
 	tags: ['notes'],
@@ -20,12 +18,6 @@ export const meta = {
 		minInterval: ms('1sec'),
 	},
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-	},
-
 	errors: {
 		noSuchNote: {
 			message: 'No such note.',
@@ -41,8 +33,16 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['noteId'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const note = await getNote(ps.noteId).catch(e => {
 		if (e.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
 		throw e;
diff --git a/packages/backend/src/server/api/endpoints/notes/favorites/create.ts b/packages/backend/src/server/api/endpoints/notes/favorites/create.ts
index 78da6a3b00..bcc2c44c02 100644
--- a/packages/backend/src/server/api/endpoints/notes/favorites/create.ts
+++ b/packages/backend/src/server/api/endpoints/notes/favorites/create.ts
@@ -1,10 +1,8 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../../define';
-import { ApiError } from '../../../error';
-import { getNote } from '../../../common/getters';
-import { NoteFavorites } from '@/models/index';
-import { genId } from '@/misc/gen-id';
+import define from '../../../define.js';
+import { ApiError } from '../../../error.js';
+import { getNote } from '../../../common/getters.js';
+import { NoteFavorites } from '@/models/index.js';
+import { genId } from '@/misc/gen-id.js';
 
 export const meta = {
 	tags: ['notes', 'favorites'],
@@ -13,12 +11,6 @@ export const meta = {
 
 	kind: 'write:favorites',
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-	},
-
 	errors: {
 		noSuchNote: {
 			message: 'No such note.',
@@ -34,8 +26,16 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['noteId'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	// Get favoritee
 	const note = await getNote(ps.noteId).catch(e => {
 		if (e.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
diff --git a/packages/backend/src/server/api/endpoints/notes/favorites/delete.ts b/packages/backend/src/server/api/endpoints/notes/favorites/delete.ts
index 3f3d50f0d5..d41fab22d3 100644
--- a/packages/backend/src/server/api/endpoints/notes/favorites/delete.ts
+++ b/packages/backend/src/server/api/endpoints/notes/favorites/delete.ts
@@ -1,9 +1,7 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../../define';
-import { ApiError } from '../../../error';
-import { getNote } from '../../../common/getters';
-import { NoteFavorites } from '@/models/index';
+import define from '../../../define.js';
+import { ApiError } from '../../../error.js';
+import { getNote } from '../../../common/getters.js';
+import { NoteFavorites } from '@/models/index.js';
 
 export const meta = {
 	tags: ['notes', 'favorites'],
@@ -12,12 +10,6 @@ export const meta = {
 
 	kind: 'write:favorites',
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-	},
-
 	errors: {
 		noSuchNote: {
 			message: 'No such note.',
@@ -33,8 +25,16 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['noteId'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	// Get favoritee
 	const note = await getNote(ps.noteId).catch(e => {
 		if (e.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
diff --git a/packages/backend/src/server/api/endpoints/notes/featured.ts b/packages/backend/src/server/api/endpoints/notes/featured.ts
index 5a47fb9e08..6308d23696 100644
--- a/packages/backend/src/server/api/endpoints/notes/featured.ts
+++ b/packages/backend/src/server/api/endpoints/notes/featured.ts
@@ -1,26 +1,13 @@
-import $ from 'cafy';
-import define from '../../define';
-import { generateMutedUserQuery } from '../../common/generate-muted-user-query';
-import { Notes } from '@/models/index';
-import { generateBlockedUserQuery } from '../../common/generate-block-query';
+import define from '../../define.js';
+import { generateMutedUserQuery } from '../../common/generate-muted-user-query.js';
+import { Notes } from '@/models/index.js';
+import { generateBlockedUserQuery } from '../../common/generate-block-query.js';
 
 export const meta = {
 	tags: ['notes'],
 
 	requireCredential: false,
 
-	params: {
-		limit: {
-			validator: $.optional.num.range(1, 100),
-			default: 10,
-		},
-
-		offset: {
-			validator: $.optional.num.min(0),
-			default: 0,
-		},
-	},
-
 	res: {
 		type: 'array',
 		optional: false, nullable: false,
@@ -32,8 +19,17 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+		offset: { type: 'integer', default: 0 },
+	},
+	required: [],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const max = 30;
 	const day = 1000 * 60 * 60 * 24 * 3; // 3日前まで
 
@@ -44,10 +40,16 @@ export default define(meta, async (ps, user) => {
 		.andWhere(`note.createdAt > :date`, { date: new Date(Date.now() - day) })
 		.andWhere(`note.visibility = 'public'`)
 		.innerJoinAndSelect('note.user', 'user')
+		.leftJoinAndSelect('user.avatar', 'avatar')
+		.leftJoinAndSelect('user.banner', 'banner')
 		.leftJoinAndSelect('note.reply', 'reply')
 		.leftJoinAndSelect('note.renote', 'renote')
 		.leftJoinAndSelect('reply.user', 'replyUser')
-		.leftJoinAndSelect('renote.user', 'renoteUser');
+		.leftJoinAndSelect('replyUser.avatar', 'replyUserAvatar')
+		.leftJoinAndSelect('replyUser.banner', 'replyUserBanner')
+		.leftJoinAndSelect('renote.user', 'renoteUser')
+		.leftJoinAndSelect('renoteUser.avatar', 'renoteUserAvatar')
+		.leftJoinAndSelect('renoteUser.banner', 'renoteUserBanner');
 
 	if (user) generateMutedUserQuery(query, user);
 	if (user) generateBlockedUserQuery(query, user);
diff --git a/packages/backend/src/server/api/endpoints/notes/global-timeline.ts b/packages/backend/src/server/api/endpoints/notes/global-timeline.ts
index cac8b7d8a9..26aaa0919c 100644
--- a/packages/backend/src/server/api/endpoints/notes/global-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/global-timeline.ts
@@ -1,47 +1,18 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../define';
-import { fetchMeta } from '@/misc/fetch-meta';
-import { ApiError } from '../../error';
-import { makePaginationQuery } from '../../common/make-pagination-query';
-import { Notes } from '@/models/index';
-import { generateMutedUserQuery } from '../../common/generate-muted-user-query';
-import { generateMutedInstanceQuery } from '../../common/generate-muted-instance-query';
-import { activeUsersChart } from '@/services/chart/index';
-import { generateRepliesQuery } from '../../common/generate-replies-query';
-import { generateMutedNoteQuery } from '../../common/generate-muted-note-query';
-import { generateBlockedUserQuery } from '../../common/generate-block-query';
+import define from '../../define.js';
+import { fetchMeta } from '@/misc/fetch-meta.js';
+import { ApiError } from '../../error.js';
+import { makePaginationQuery } from '../../common/make-pagination-query.js';
+import { Notes } from '@/models/index.js';
+import { generateMutedUserQuery } from '../../common/generate-muted-user-query.js';
+import { generateMutedInstanceQuery } from '../../common/generate-muted-instance-query.js';
+import { activeUsersChart } from '@/services/chart/index.js';
+import { generateRepliesQuery } from '../../common/generate-replies-query.js';
+import { generateMutedNoteQuery } from '../../common/generate-muted-note-query.js';
+import { generateBlockedUserQuery } from '../../common/generate-block-query.js';
 
 export const meta = {
 	tags: ['notes'],
 
-	params: {
-		withFiles: {
-			validator: $.optional.bool,
-		},
-
-		limit: {
-			validator: $.optional.num.range(1, 100),
-			default: 10,
-		},
-
-		sinceId: {
-			validator: $.optional.type(ID),
-		},
-
-		untilId: {
-			validator: $.optional.type(ID),
-		},
-
-		sinceDate: {
-			validator: $.optional.num,
-		},
-
-		untilDate: {
-			validator: $.optional.num,
-		},
-	},
-
 	res: {
 		type: 'array',
 		optional: false, nullable: false,
@@ -61,8 +32,21 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		withFiles: { type: 'boolean' },
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+		sinceId: { type: 'string', format: 'misskey:id' },
+		untilId: { type: 'string', format: 'misskey:id' },
+		sinceDate: { type: 'integer' },
+		untilDate: { type: 'integer' },
+	},
+	required: [],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const m = await fetchMeta();
 	if (m.disableGlobalTimeline) {
 		if (user == null || (!user.isAdmin && !user.isModerator)) {
@@ -76,10 +60,16 @@ export default define(meta, async (ps, user) => {
 		.andWhere('note.visibility = \'public\'')
 		.andWhere('note.channelId IS NULL')
 		.innerJoinAndSelect('note.user', 'user')
+		.leftJoinAndSelect('user.avatar', 'avatar')
+		.leftJoinAndSelect('user.banner', 'banner')
 		.leftJoinAndSelect('note.reply', 'reply')
 		.leftJoinAndSelect('note.renote', 'renote')
 		.leftJoinAndSelect('reply.user', 'replyUser')
-		.leftJoinAndSelect('renote.user', 'renoteUser');
+		.leftJoinAndSelect('replyUser.avatar', 'replyUserAvatar')
+		.leftJoinAndSelect('replyUser.banner', 'replyUserBanner')
+		.leftJoinAndSelect('renote.user', 'renoteUser')
+		.leftJoinAndSelect('renoteUser.avatar', 'renoteUserAvatar')
+		.leftJoinAndSelect('renoteUser.banner', 'renoteUserBanner');
 
 	generateRepliesQuery(query, user);
 	if (user) generateMutedUserQuery(query, user);
@@ -92,11 +82,11 @@ export default define(meta, async (ps, user) => {
 	}
 	//#endregion
 
-	const timeline = await query.take(ps.limit!).getMany();
+	const timeline = await query.take(ps.limit).getMany();
 
 	process.nextTick(() => {
 		if (user) {
-			activeUsersChart.update(user);
+			activeUsersChart.read(user);
 		}
 	});
 
diff --git a/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts b/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
index 9683df4611..9bcb64b656 100644
--- a/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
@@ -1,67 +1,23 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../define';
-import { fetchMeta } from '@/misc/fetch-meta';
-import { ApiError } from '../../error';
-import { makePaginationQuery } from '../../common/make-pagination-query';
-import { Followings, Notes } from '@/models/index';
+import define from '../../define.js';
+import { fetchMeta } from '@/misc/fetch-meta.js';
+import { ApiError } from '../../error.js';
+import { makePaginationQuery } from '../../common/make-pagination-query.js';
+import { Followings, Notes } from '@/models/index.js';
 import { Brackets } from 'typeorm';
-import { generateVisibilityQuery } from '../../common/generate-visibility-query';
-import { generateMutedUserQuery } from '../../common/generate-muted-user-query';
-import { generateMutedInstanceQuery } from '../../common/generate-muted-instance-query';
-import { activeUsersChart } from '@/services/chart/index';
-import { generateRepliesQuery } from '../../common/generate-replies-query';
-import { generateMutedNoteQuery } from '../../common/generate-muted-note-query';
-import { generateChannelQuery } from '../../common/generate-channel-query';
-import { generateBlockedUserQuery } from '../../common/generate-block-query';
+import { generateVisibilityQuery } from '../../common/generate-visibility-query.js';
+import { generateMutedUserQuery } from '../../common/generate-muted-user-query.js';
+import { generateMutedInstanceQuery } from '../../common/generate-muted-instance-query.js';
+import { activeUsersChart } from '@/services/chart/index.js';
+import { generateRepliesQuery } from '../../common/generate-replies-query.js';
+import { generateMutedNoteQuery } from '../../common/generate-muted-note-query.js';
+import { generateChannelQuery } from '../../common/generate-channel-query.js';
+import { generateBlockedUserQuery } from '../../common/generate-block-query.js';
 
 export const meta = {
 	tags: ['notes'],
 
 	requireCredential: true,
 
-	params: {
-		limit: {
-			validator: $.optional.num.range(1, 100),
-			default: 10,
-		},
-
-		sinceId: {
-			validator: $.optional.type(ID),
-		},
-
-		untilId: {
-			validator: $.optional.type(ID),
-		},
-
-		sinceDate: {
-			validator: $.optional.num,
-		},
-
-		untilDate: {
-			validator: $.optional.num,
-		},
-
-		includeMyRenotes: {
-			validator: $.optional.bool,
-			default: true,
-		},
-
-		includeRenotedMyNotes: {
-			validator: $.optional.bool,
-			default: true,
-		},
-
-		includeLocalRenotes: {
-			validator: $.optional.bool,
-			default: true,
-		},
-
-		withFiles: {
-			validator: $.optional.bool,
-		},
-	},
-
 	res: {
 		type: 'array',
 		optional: false, nullable: false,
@@ -81,8 +37,24 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+		sinceId: { type: 'string', format: 'misskey:id' },
+		untilId: { type: 'string', format: 'misskey:id' },
+		sinceDate: { type: 'integer' },
+		untilDate: { type: 'integer' },
+		includeMyRenotes: { type: 'boolean', default: true },
+		includeRenotedMyNotes: { type: 'boolean', default: true },
+		includeLocalRenotes: { type: 'boolean', default: true },
+		withFiles: { type: 'boolean' },
+	},
+	required: [],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const m = await fetchMeta();
 	if (m.disableLocalTimeline && !user.isAdmin && !user.isModerator) {
 		throw new ApiError(meta.errors.stlDisabled);
@@ -100,10 +72,16 @@ export default define(meta, async (ps, user) => {
 				.orWhere('(note.visibility = \'public\') AND (note.userHost IS NULL)');
 		}))
 		.innerJoinAndSelect('note.user', 'user')
+		.leftJoinAndSelect('user.avatar', 'avatar')
+		.leftJoinAndSelect('user.banner', 'banner')
 		.leftJoinAndSelect('note.reply', 'reply')
 		.leftJoinAndSelect('note.renote', 'renote')
 		.leftJoinAndSelect('reply.user', 'replyUser')
+		.leftJoinAndSelect('replyUser.avatar', 'replyUserAvatar')
+		.leftJoinAndSelect('replyUser.banner', 'replyUserBanner')
 		.leftJoinAndSelect('renote.user', 'renoteUser')
+		.leftJoinAndSelect('renoteUser.avatar', 'renoteUserAvatar')
+		.leftJoinAndSelect('renoteUser.banner', 'renoteUserBanner')
 		.setParameters(followingQuery.getParameters());
 
 	generateChannelQuery(query, user);
@@ -149,11 +127,11 @@ export default define(meta, async (ps, user) => {
 	}
 	//#endregion
 
-	const timeline = await query.take(ps.limit!).getMany();
+	const timeline = await query.take(ps.limit).getMany();
 
 	process.nextTick(() => {
 		if (user) {
-			activeUsersChart.update(user);
+			activeUsersChart.read(user);
 		}
 	});
 
diff --git a/packages/backend/src/server/api/endpoints/notes/local-timeline.ts b/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
index 7776644124..12fc88b1fd 100644
--- a/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
@@ -1,58 +1,20 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../define';
-import { fetchMeta } from '@/misc/fetch-meta';
-import { ApiError } from '../../error';
-import { Notes } from '@/models/index';
-import { generateMutedUserQuery } from '../../common/generate-muted-user-query';
-import { makePaginationQuery } from '../../common/make-pagination-query';
-import { generateVisibilityQuery } from '../../common/generate-visibility-query';
-import { activeUsersChart } from '@/services/chart/index';
+import define from '../../define.js';
+import { fetchMeta } from '@/misc/fetch-meta.js';
+import { ApiError } from '../../error.js';
+import { Notes } from '@/models/index.js';
+import { generateMutedUserQuery } from '../../common/generate-muted-user-query.js';
+import { makePaginationQuery } from '../../common/make-pagination-query.js';
+import { generateVisibilityQuery } from '../../common/generate-visibility-query.js';
+import { activeUsersChart } from '@/services/chart/index.js';
 import { Brackets } from 'typeorm';
-import { generateRepliesQuery } from '../../common/generate-replies-query';
-import { generateMutedNoteQuery } from '../../common/generate-muted-note-query';
-import { generateChannelQuery } from '../../common/generate-channel-query';
-import { generateBlockedUserQuery } from '../../common/generate-block-query';
+import { generateRepliesQuery } from '../../common/generate-replies-query.js';
+import { generateMutedNoteQuery } from '../../common/generate-muted-note-query.js';
+import { generateChannelQuery } from '../../common/generate-channel-query.js';
+import { generateBlockedUserQuery } from '../../common/generate-block-query.js';
 
 export const meta = {
 	tags: ['notes'],
 
-	params: {
-		withFiles: {
-			validator: $.optional.bool,
-		},
-
-		fileType: {
-			validator: $.optional.arr($.str),
-		},
-
-		excludeNsfw: {
-			validator: $.optional.bool,
-			default: false,
-		},
-
-		limit: {
-			validator: $.optional.num.range(1, 100),
-			default: 10,
-		},
-
-		sinceId: {
-			validator: $.optional.type(ID),
-		},
-
-		untilId: {
-			validator: $.optional.type(ID),
-		},
-
-		sinceDate: {
-			validator: $.optional.num,
-		},
-
-		untilDate: {
-			validator: $.optional.num,
-		},
-	},
-
 	res: {
 		type: 'array',
 		optional: false, nullable: false,
@@ -72,8 +34,25 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		withFiles: { type: 'boolean' },
+		fileType: { type: 'array', items: {
+			type: 'string',
+		} },
+		excludeNsfw: { type: 'boolean', default: false },
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+		sinceId: { type: 'string', format: 'misskey:id' },
+		untilId: { type: 'string', format: 'misskey:id' },
+		sinceDate: { type: 'integer' },
+		untilDate: { type: 'integer' },
+	},
+	required: [],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const m = await fetchMeta();
 	if (m.disableLocalTimeline) {
 		if (user == null || (!user.isAdmin && !user.isModerator)) {
@@ -86,10 +65,16 @@ export default define(meta, async (ps, user) => {
 			ps.sinceId, ps.untilId, ps.sinceDate, ps.untilDate)
 		.andWhere('(note.visibility = \'public\') AND (note.userHost IS NULL)')
 		.innerJoinAndSelect('note.user', 'user')
+		.leftJoinAndSelect('user.avatar', 'avatar')
+		.leftJoinAndSelect('user.banner', 'banner')
 		.leftJoinAndSelect('note.reply', 'reply')
 		.leftJoinAndSelect('note.renote', 'renote')
 		.leftJoinAndSelect('reply.user', 'replyUser')
-		.leftJoinAndSelect('renote.user', 'renoteUser');
+		.leftJoinAndSelect('replyUser.avatar', 'replyUserAvatar')
+		.leftJoinAndSelect('replyUser.banner', 'replyUserBanner')
+		.leftJoinAndSelect('renote.user', 'renoteUser')
+		.leftJoinAndSelect('renoteUser.avatar', 'renoteUserAvatar')
+		.leftJoinAndSelect('renoteUser.banner', 'renoteUserBanner');
 
 	generateChannelQuery(query, user);
 	generateRepliesQuery(query, user);
@@ -118,11 +103,11 @@ export default define(meta, async (ps, user) => {
 	}
 	//#endregion
 
-	const timeline = await query.take(ps.limit!).getMany();
+	const timeline = await query.take(ps.limit).getMany();
 
 	process.nextTick(() => {
 		if (user) {
-			activeUsersChart.update(user);
+			activeUsersChart.read(user);
 		}
 	});
 
diff --git a/packages/backend/src/server/api/endpoints/notes/mentions.ts b/packages/backend/src/server/api/endpoints/notes/mentions.ts
index 81b3844365..eafbba322d 100644
--- a/packages/backend/src/server/api/endpoints/notes/mentions.ts
+++ b/packages/backend/src/server/api/endpoints/notes/mentions.ts
@@ -1,44 +1,18 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../define';
-import read from '@/services/note/read';
-import { Notes, Followings } from '@/models/index';
-import { generateVisibilityQuery } from '../../common/generate-visibility-query';
-import { generateMutedUserQuery } from '../../common/generate-muted-user-query';
-import { makePaginationQuery } from '../../common/make-pagination-query';
+import define from '../../define.js';
+import read from '@/services/note/read.js';
+import { Notes, Followings } from '@/models/index.js';
+import { generateVisibilityQuery } from '../../common/generate-visibility-query.js';
+import { generateMutedUserQuery } from '../../common/generate-muted-user-query.js';
+import { makePaginationQuery } from '../../common/make-pagination-query.js';
 import { Brackets } from 'typeorm';
-import { generateBlockedUserQuery } from '../../common/generate-block-query';
-import { generateMutedNoteThreadQuery } from '../../common/generate-muted-note-thread-query';
+import { generateBlockedUserQuery } from '../../common/generate-block-query.js';
+import { generateMutedNoteThreadQuery } from '../../common/generate-muted-note-thread-query.js';
 
 export const meta = {
 	tags: ['notes'],
 
 	requireCredential: true,
 
-	params: {
-		following: {
-			validator: $.optional.bool,
-			default: false,
-		},
-
-		limit: {
-			validator: $.optional.num.range(1, 100),
-			default: 10,
-		},
-
-		sinceId: {
-			validator: $.optional.type(ID),
-		},
-
-		untilId: {
-			validator: $.optional.type(ID),
-		},
-
-		visibility: {
-			validator: $.optional.str,
-		},
-	},
-
 	res: {
 		type: 'array',
 		optional: false, nullable: false,
@@ -50,8 +24,20 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		following: { type: 'boolean', default: false },
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+		sinceId: { type: 'string', format: 'misskey:id' },
+		untilId: { type: 'string', format: 'misskey:id' },
+		visibility: { type: 'string' },
+	},
+	required: [],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const followingQuery = Followings.createQueryBuilder('following')
 		.select('following.followeeId')
 		.where('following.followerId = :followerId', { followerId: user.id });
@@ -62,10 +48,16 @@ export default define(meta, async (ps, user) => {
 			.orWhere(`'{"${user.id}"}' <@ note.visibleUserIds`);
 		}))
 		.innerJoinAndSelect('note.user', 'user')
+		.leftJoinAndSelect('user.avatar', 'avatar')
+		.leftJoinAndSelect('user.banner', 'banner')
 		.leftJoinAndSelect('note.reply', 'reply')
 		.leftJoinAndSelect('note.renote', 'renote')
 		.leftJoinAndSelect('reply.user', 'replyUser')
-		.leftJoinAndSelect('renote.user', 'renoteUser');
+		.leftJoinAndSelect('replyUser.avatar', 'replyUserAvatar')
+		.leftJoinAndSelect('replyUser.banner', 'replyUserBanner')
+		.leftJoinAndSelect('renote.user', 'renoteUser')
+		.leftJoinAndSelect('renoteUser.avatar', 'renoteUserAvatar')
+		.leftJoinAndSelect('renoteUser.banner', 'renoteUserBanner');
 
 	generateVisibilityQuery(query, user);
 	generateMutedUserQuery(query, user);
@@ -81,7 +73,7 @@ export default define(meta, async (ps, user) => {
 		query.setParameters(followingQuery.getParameters());
 	}
 
-	const mentions = await query.take(ps.limit!).getMany();
+	const mentions = await query.take(ps.limit).getMany();
 
 	read(user.id, mentions);
 
diff --git a/packages/backend/src/server/api/endpoints/notes/polls/recommendation.ts b/packages/backend/src/server/api/endpoints/notes/polls/recommendation.ts
index 79b558e65e..bdd1aeecd4 100644
--- a/packages/backend/src/server/api/endpoints/notes/polls/recommendation.ts
+++ b/packages/backend/src/server/api/endpoints/notes/polls/recommendation.ts
@@ -1,6 +1,5 @@
-import $ from 'cafy';
-import define from '../../../define';
-import { Polls, Mutings, Notes, PollVotes } from '@/models/index';
+import define from '../../../define.js';
+import { Polls, Mutings, Notes, PollVotes } from '@/models/index.js';
 import { Brackets, In } from 'typeorm';
 
 export const meta = {
@@ -8,18 +7,6 @@ export const meta = {
 
 	requireCredential: true,
 
-	params: {
-		limit: {
-			validator: $.optional.num.range(1, 100),
-			default: 10,
-		},
-
-		offset: {
-			validator: $.optional.num.min(0),
-			default: 0,
-		},
-	},
-
 	res: {
 		type: 'array',
 		optional: false, nullable: false,
@@ -31,8 +18,17 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+		offset: { type: 'integer', default: 0 },
+	},
+	required: [],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const query = Polls.createQueryBuilder('poll')
 		.where('poll.userHost IS NULL')
 		.andWhere(`poll.userId != :meId`, { meId: user.id })
@@ -64,7 +60,7 @@ export default define(meta, async (ps, user) => {
 	query.setParameters(mutingQuery.getParameters());
 	//#endregion
 
-	const polls = await query.take(ps.limit!).skip(ps.offset).getMany();
+	const polls = await query.take(ps.limit).skip(ps.offset).getMany();
 
 	if (polls.length === 0) return [];
 
diff --git a/packages/backend/src/server/api/endpoints/notes/polls/vote.ts b/packages/backend/src/server/api/endpoints/notes/polls/vote.ts
index 77387cacb2..ef52d03664 100644
--- a/packages/backend/src/server/api/endpoints/notes/polls/vote.ts
+++ b/packages/backend/src/server/api/endpoints/notes/polls/vote.ts
@@ -1,18 +1,16 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import { publishNoteStream } from '@/services/stream';
-import { createNotification } from '@/services/create-notification';
-import define from '../../../define';
-import { ApiError } from '../../../error';
-import { getNote } from '../../../common/getters';
-import { deliver } from '@/queue/index';
-import { renderActivity } from '@/remote/activitypub/renderer/index';
-import renderVote from '@/remote/activitypub/renderer/vote';
-import { deliverQuestionUpdate } from '@/services/note/polls/update';
-import { PollVotes, NoteWatchings, Users, Polls, Blockings } from '@/models/index';
+import { publishNoteStream } from '@/services/stream.js';
+import { createNotification } from '@/services/create-notification.js';
+import define from '../../../define.js';
+import { ApiError } from '../../../error.js';
+import { getNote } from '../../../common/getters.js';
+import { deliver } from '@/queue/index.js';
+import { renderActivity } from '@/remote/activitypub/renderer/index.js';
+import renderVote from '@/remote/activitypub/renderer/vote.js';
+import { deliverQuestionUpdate } from '@/services/note/polls/update.js';
+import { PollVotes, NoteWatchings, Users, Polls, Blockings } from '@/models/index.js';
 import { Not } from 'typeorm';
-import { IRemoteUser } from '@/models/entities/user';
-import { genId } from '@/misc/gen-id';
+import { IRemoteUser } from '@/models/entities/user.js';
+import { genId } from '@/misc/gen-id.js';
 
 export const meta = {
 	tags: ['notes'],
@@ -21,16 +19,6 @@ export const meta = {
 
 	kind: 'write:votes',
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-
-		choice: {
-			validator: $.num,
-		},
-	},
-
 	errors: {
 		noSuchNote: {
 			message: 'No such note.',
@@ -70,8 +58,17 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+		choice: { type: 'integer' },
+	},
+	required: ['noteId', 'choice'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const createdAt = new Date();
 
 	// Get votee
diff --git a/packages/backend/src/server/api/endpoints/notes/reactions.ts b/packages/backend/src/server/api/endpoints/notes/reactions.ts
index 5205a78171..43e5d1ef6f 100644
--- a/packages/backend/src/server/api/endpoints/notes/reactions.ts
+++ b/packages/backend/src/server/api/endpoints/notes/reactions.ts
@@ -1,45 +1,15 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../define';
-import { getNote } from '../../common/getters';
-import { ApiError } from '../../error';
-import { NoteReactions } from '@/models/index';
+import define from '../../define.js';
+import { getNote } from '../../common/getters.js';
+import { ApiError } from '../../error.js';
+import { NoteReactions } from '@/models/index.js';
 import { DeepPartial } from 'typeorm';
-import { NoteReaction } from '@/models/entities/note-reaction';
+import { NoteReaction } from '@/models/entities/note-reaction.js';
 
 export const meta = {
 	tags: ['notes', 'reactions'],
 
 	requireCredential: false,
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-
-		type: {
-			validator: $.optional.nullable.str,
-		},
-
-		limit: {
-			validator: $.optional.num.range(1, 100),
-			default: 10,
-		},
-
-		offset: {
-			validator: $.optional.num,
-			default: 0,
-		},
-
-		sinceId: {
-			validator: $.optional.type(ID),
-		},
-
-		untilId: {
-			validator: $.optional.type(ID),
-		},
-	},
-
 	res: {
 		type: 'array',
 		optional: false, nullable: false,
@@ -59,8 +29,21 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+		type: { type: 'string', nullable: true },
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+		offset: { type: 'integer', default: 0 },
+		sinceId: { type: 'string', format: 'misskey:id' },
+		untilId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['noteId'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const note = await getNote(ps.noteId).catch(e => {
 		if (e.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
 		throw e;
@@ -80,11 +63,12 @@ export default define(meta, async (ps, user) => {
 
 	const reactions = await NoteReactions.find({
 		where: query,
-		take: ps.limit!,
+		take: ps.limit,
 		skip: ps.offset,
 		order: {
 			id: -1,
 		},
+		relations: ['user', 'user.avatar', 'user.banner', 'note'],
 	});
 
 	return await Promise.all(reactions.map(reaction => NoteReactions.pack(reaction, user)));
diff --git a/packages/backend/src/server/api/endpoints/notes/reactions/create.ts b/packages/backend/src/server/api/endpoints/notes/reactions/create.ts
index 1b42781ceb..07e52a9266 100644
--- a/packages/backend/src/server/api/endpoints/notes/reactions/create.ts
+++ b/packages/backend/src/server/api/endpoints/notes/reactions/create.ts
@@ -1,9 +1,7 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import createReaction from '@/services/note/reaction/create';
-import define from '../../../define';
-import { getNote } from '../../../common/getters';
-import { ApiError } from '../../../error';
+import createReaction from '@/services/note/reaction/create.js';
+import define from '../../../define.js';
+import { getNote } from '../../../common/getters.js';
+import { ApiError } from '../../../error.js';
 
 export const meta = {
 	tags: ['reactions', 'notes'],
@@ -12,16 +10,6 @@ export const meta = {
 
 	kind: 'write:reactions',
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-
-		reaction: {
-			validator: $.str,
-		},
-	},
-
 	errors: {
 		noSuchNote: {
 			message: 'No such note.',
@@ -43,8 +31,17 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+		reaction: { type: 'string' },
+	},
+	required: ['noteId', 'reaction'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const note = await getNote(ps.noteId).catch(e => {
 		if (e.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
 		throw e;
diff --git a/packages/backend/src/server/api/endpoints/notes/reactions/delete.ts b/packages/backend/src/server/api/endpoints/notes/reactions/delete.ts
index 1d686b5971..639ecae264 100644
--- a/packages/backend/src/server/api/endpoints/notes/reactions/delete.ts
+++ b/packages/backend/src/server/api/endpoints/notes/reactions/delete.ts
@@ -1,10 +1,8 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../../define';
+import define from '../../../define.js';
 import ms from 'ms';
-import deleteReaction from '@/services/note/reaction/delete';
-import { getNote } from '../../../common/getters';
-import { ApiError } from '../../../error';
+import deleteReaction from '@/services/note/reaction/delete.js';
+import { getNote } from '../../../common/getters.js';
+import { ApiError } from '../../../error.js';
 
 export const meta = {
 	tags: ['reactions', 'notes'],
@@ -19,12 +17,6 @@ export const meta = {
 		minInterval: ms('3sec'),
 	},
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-	},
-
 	errors: {
 		noSuchNote: {
 			message: 'No such note.',
@@ -40,8 +32,16 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['noteId'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const note = await getNote(ps.noteId).catch(e => {
 		if (e.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
 		throw e;
diff --git a/packages/backend/src/server/api/endpoints/notes/renotes.ts b/packages/backend/src/server/api/endpoints/notes/renotes.ts
index f71d23146a..87c855a5e8 100644
--- a/packages/backend/src/server/api/endpoints/notes/renotes.ts
+++ b/packages/backend/src/server/api/endpoints/notes/renotes.ts
@@ -1,38 +1,17 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../define';
-import { getNote } from '../../common/getters';
-import { ApiError } from '../../error';
-import { generateVisibilityQuery } from '../../common/generate-visibility-query';
-import { generateMutedUserQuery } from '../../common/generate-muted-user-query';
-import { makePaginationQuery } from '../../common/make-pagination-query';
-import { Notes } from '@/models/index';
-import { generateBlockedUserQuery } from '../../common/generate-block-query';
+import define from '../../define.js';
+import { getNote } from '../../common/getters.js';
+import { ApiError } from '../../error.js';
+import { generateVisibilityQuery } from '../../common/generate-visibility-query.js';
+import { generateMutedUserQuery } from '../../common/generate-muted-user-query.js';
+import { makePaginationQuery } from '../../common/make-pagination-query.js';
+import { Notes } from '@/models/index.js';
+import { generateBlockedUserQuery } from '../../common/generate-block-query.js';
 
 export const meta = {
 	tags: ['notes'],
 
 	requireCredential: false,
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-
-		limit: {
-			validator: $.optional.num.range(1, 100),
-			default: 10,
-		},
-
-		sinceId: {
-			validator: $.optional.type(ID),
-		},
-
-		untilId: {
-			validator: $.optional.type(ID),
-		},
-	},
-
 	res: {
 		type: 'array',
 		optional: false, nullable: false,
@@ -52,8 +31,19 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+		sinceId: { type: 'string', format: 'misskey:id' },
+		untilId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['noteId'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const note = await getNote(ps.noteId).catch(e => {
 		if (e.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
 		throw e;
@@ -62,16 +52,22 @@ export default define(meta, async (ps, user) => {
 	const query = makePaginationQuery(Notes.createQueryBuilder('note'), ps.sinceId, ps.untilId)
 		.andWhere(`note.renoteId = :renoteId`, { renoteId: note.id })
 		.innerJoinAndSelect('note.user', 'user')
+		.leftJoinAndSelect('user.avatar', 'avatar')
+		.leftJoinAndSelect('user.banner', 'banner')
 		.leftJoinAndSelect('note.reply', 'reply')
 		.leftJoinAndSelect('note.renote', 'renote')
 		.leftJoinAndSelect('reply.user', 'replyUser')
-		.leftJoinAndSelect('renote.user', 'renoteUser');
+		.leftJoinAndSelect('replyUser.avatar', 'replyUserAvatar')
+		.leftJoinAndSelect('replyUser.banner', 'replyUserBanner')
+		.leftJoinAndSelect('renote.user', 'renoteUser')
+		.leftJoinAndSelect('renoteUser.avatar', 'renoteUserAvatar')
+		.leftJoinAndSelect('renoteUser.banner', 'renoteUserBanner');
 
 	generateVisibilityQuery(query, user);
 	if (user) generateMutedUserQuery(query, user);
 	if (user) generateBlockedUserQuery(query, user);
 
-	const renotes = await query.take(ps.limit!).getMany();
+	const renotes = await query.take(ps.limit).getMany();
 
 	return await Notes.packMany(renotes, user);
 });
diff --git a/packages/backend/src/server/api/endpoints/notes/replies.ts b/packages/backend/src/server/api/endpoints/notes/replies.ts
index 62c56534e1..3053eabe33 100644
--- a/packages/backend/src/server/api/endpoints/notes/replies.ts
+++ b/packages/backend/src/server/api/endpoints/notes/replies.ts
@@ -1,36 +1,15 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../define';
-import { Notes } from '@/models/index';
-import { makePaginationQuery } from '../../common/make-pagination-query';
-import { generateVisibilityQuery } from '../../common/generate-visibility-query';
-import { generateMutedUserQuery } from '../../common/generate-muted-user-query';
-import { generateBlockedUserQuery } from '../../common/generate-block-query';
+import define from '../../define.js';
+import { Notes } from '@/models/index.js';
+import { makePaginationQuery } from '../../common/make-pagination-query.js';
+import { generateVisibilityQuery } from '../../common/generate-visibility-query.js';
+import { generateMutedUserQuery } from '../../common/generate-muted-user-query.js';
+import { generateBlockedUserQuery } from '../../common/generate-block-query.js';
 
 export const meta = {
 	tags: ['notes'],
 
 	requireCredential: false,
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-
-		sinceId: {
-			validator: $.optional.type(ID),
-		},
-
-		untilId: {
-			validator: $.optional.type(ID),
-		},
-
-		limit: {
-			validator: $.optional.num.range(1, 100),
-			default: 10,
-		},
-	},
-
 	res: {
 		type: 'array',
 		optional: false, nullable: false,
@@ -42,21 +21,38 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+		sinceId: { type: 'string', format: 'misskey:id' },
+		untilId: { type: 'string', format: 'misskey:id' },
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+	},
+	required: ['noteId'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const query = makePaginationQuery(Notes.createQueryBuilder('note'), ps.sinceId, ps.untilId)
 		.andWhere('note.replyId = :replyId', { replyId: ps.noteId })
 		.innerJoinAndSelect('note.user', 'user')
+		.leftJoinAndSelect('user.avatar', 'avatar')
+		.leftJoinAndSelect('user.banner', 'banner')
 		.leftJoinAndSelect('note.reply', 'reply')
 		.leftJoinAndSelect('note.renote', 'renote')
 		.leftJoinAndSelect('reply.user', 'replyUser')
-		.leftJoinAndSelect('renote.user', 'renoteUser');
+		.leftJoinAndSelect('replyUser.avatar', 'replyUserAvatar')
+		.leftJoinAndSelect('replyUser.banner', 'replyUserBanner')
+		.leftJoinAndSelect('renote.user', 'renoteUser')
+		.leftJoinAndSelect('renoteUser.avatar', 'renoteUserAvatar')
+		.leftJoinAndSelect('renoteUser.banner', 'renoteUserBanner');
 
 	generateVisibilityQuery(query, user);
 	if (user) generateMutedUserQuery(query, user);
 	if (user) generateBlockedUserQuery(query, user);
 
-	const timeline = await query.take(ps.limit!).getMany();
+	const timeline = await query.take(ps.limit).getMany();
 
 	return await Notes.packMany(timeline, user);
 });
diff --git a/packages/backend/src/server/api/endpoints/notes/search-by-tag.ts b/packages/backend/src/server/api/endpoints/notes/search-by-tag.ts
index 87eaffe2f1..c6503eb057 100644
--- a/packages/backend/src/server/api/endpoints/notes/search-by-tag.ts
+++ b/packages/backend/src/server/api/endpoints/notes/search-by-tag.ts
@@ -1,60 +1,16 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../define';
-import { makePaginationQuery } from '../../common/make-pagination-query';
-import { Notes } from '@/models/index';
-import { generateMutedUserQuery } from '../../common/generate-muted-user-query';
-import { generateVisibilityQuery } from '../../common/generate-visibility-query';
+import define from '../../define.js';
+import { makePaginationQuery } from '../../common/make-pagination-query.js';
+import { Notes } from '@/models/index.js';
+import { generateMutedUserQuery } from '../../common/generate-muted-user-query.js';
+import { generateVisibilityQuery } from '../../common/generate-visibility-query.js';
 import { Brackets } from 'typeorm';
-import { safeForSql } from '@/misc/safe-for-sql';
-import { normalizeForSearch } from '@/misc/normalize-for-search';
-import { generateBlockedUserQuery } from '../../common/generate-block-query';
+import { safeForSql } from '@/misc/safe-for-sql.js';
+import { normalizeForSearch } from '@/misc/normalize-for-search.js';
+import { generateBlockedUserQuery } from '../../common/generate-block-query.js';
 
 export const meta = {
 	tags: ['notes', 'hashtags'],
 
-	params: {
-		tag: {
-			validator: $.optional.str,
-		},
-
-		query: {
-			validator: $.optional.arr($.arr($.str)),
-		},
-
-		reply: {
-			validator: $.optional.nullable.bool,
-			default: null,
-		},
-
-		renote: {
-			validator: $.optional.nullable.bool,
-			default: null,
-		},
-
-		withFiles: {
-			validator: $.optional.bool,
-		},
-
-		poll: {
-			validator: $.optional.nullable.bool,
-			default: null,
-		},
-
-		sinceId: {
-			validator: $.optional.type(ID),
-		},
-
-		untilId: {
-			validator: $.optional.type(ID),
-		},
-
-		limit: {
-			validator: $.optional.num.range(1, 100),
-			default: 10,
-		},
-	},
-
 	res: {
 		type: 'array',
 		optional: false, nullable: false,
@@ -66,14 +22,40 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		tag: { type: 'string' },
+		query: { type: 'array', items: {
+			type: 'array', items: {
+				type: 'string',
+			},
+		} },
+		reply: { type: 'boolean', nullable: true, default: null },
+		renote: { type: 'boolean', nullable: true, default: null },
+		withFiles: { type: 'boolean' },
+		poll: { type: 'boolean', nullable: true, default: null },
+		sinceId: { type: 'string', format: 'misskey:id' },
+		untilId: { type: 'string', format: 'misskey:id' },
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+	},
+	required: [],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, me) => {
+export default define(meta, paramDef, async (ps, me) => {
 	const query = makePaginationQuery(Notes.createQueryBuilder('note'), ps.sinceId, ps.untilId)
 		.innerJoinAndSelect('note.user', 'user')
+		.leftJoinAndSelect('user.avatar', 'avatar')
+		.leftJoinAndSelect('user.banner', 'banner')
 		.leftJoinAndSelect('note.reply', 'reply')
 		.leftJoinAndSelect('note.renote', 'renote')
 		.leftJoinAndSelect('reply.user', 'replyUser')
-		.leftJoinAndSelect('renote.user', 'renoteUser');
+		.leftJoinAndSelect('replyUser.avatar', 'replyUserAvatar')
+		.leftJoinAndSelect('replyUser.banner', 'replyUserBanner')
+		.leftJoinAndSelect('renote.user', 'renoteUser')
+		.leftJoinAndSelect('renoteUser.avatar', 'renoteUserAvatar')
+		.leftJoinAndSelect('renoteUser.banner', 'renoteUserBanner');
 
 	generateVisibilityQuery(query, me);
 	if (me) generateMutedUserQuery(query, me);
@@ -129,7 +111,7 @@ export default define(meta, async (ps, me) => {
 	}
 
 	// Search notes
-	const notes = await query.take(ps.limit!).getMany();
+	const notes = await query.take(ps.limit).getMany();
 
 	return await Notes.packMany(notes, me);
 });
diff --git a/packages/backend/src/server/api/endpoints/notes/search.ts b/packages/backend/src/server/api/endpoints/notes/search.ts
index e75212b14b..e77892b150 100644
--- a/packages/backend/src/server/api/endpoints/notes/search.ts
+++ b/packages/backend/src/server/api/endpoints/notes/search.ts
@@ -1,54 +1,18 @@
-import $ from 'cafy';
-import es from '../../../../db/elasticsearch';
-import define from '../../define';
-import { Notes } from '@/models/index';
+import es from '../../../../db/elasticsearch.js';
+import define from '../../define.js';
+import { Notes } from '@/models/index.js';
 import { In } from 'typeorm';
-import { ID } from '@/misc/cafy-id';
-import config from '@/config/index';
-import { makePaginationQuery } from '../../common/make-pagination-query';
-import { generateVisibilityQuery } from '../../common/generate-visibility-query';
-import { generateMutedUserQuery } from '../../common/generate-muted-user-query';
-import { generateBlockedUserQuery } from '../../common/generate-block-query';
+import config from '@/config/index.js';
+import { makePaginationQuery } from '../../common/make-pagination-query.js';
+import { generateVisibilityQuery } from '../../common/generate-visibility-query.js';
+import { generateMutedUserQuery } from '../../common/generate-muted-user-query.js';
+import { generateBlockedUserQuery } from '../../common/generate-block-query.js';
 
 export const meta = {
 	tags: ['notes'],
 
 	requireCredential: false,
 
-	params: {
-		query: {
-			validator: $.str,
-		},
-
-		sinceId: {
-			validator: $.optional.type(ID),
-		},
-
-		untilId: {
-			validator: $.optional.type(ID),
-		},
-
-		limit: {
-			validator: $.optional.num.range(1, 100),
-			default: 10,
-		},
-
-		host: {
-			validator: $.optional.nullable.str,
-			default: undefined,
-		},
-
-		userId: {
-			validator: $.optional.nullable.type(ID),
-			default: null,
-		},
-
-		channelId: {
-			validator: $.optional.nullable.type(ID),
-			default: null,
-		},
-	},
-
 	res: {
 		type: 'array',
 		optional: false, nullable: false,
@@ -63,8 +27,23 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		query: { type: 'string' },
+		sinceId: { type: 'string', format: 'misskey:id' },
+		untilId: { type: 'string', format: 'misskey:id' },
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+		offset: { type: 'integer', default: 0 },
+		host: { type: 'string', nullable: true },
+		userId: { type: 'string', format: 'misskey:id', nullable: true, default: null },
+		channelId: { type: 'string', format: 'misskey:id', nullable: true, default: null },
+	},
+	required: ['query'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, me) => {
+export default define(meta, paramDef, async (ps, me) => {
 	if (es == null) {
 		const query = makePaginationQuery(Notes.createQueryBuilder('note'), ps.sinceId, ps.untilId);
 
@@ -77,16 +56,22 @@ export default define(meta, async (ps, me) => {
 		query
 			.andWhere('note.text ILIKE :q', { q: `%${ps.query}%` })
 			.innerJoinAndSelect('note.user', 'user')
+			.leftJoinAndSelect('user.avatar', 'avatar')
+			.leftJoinAndSelect('user.banner', 'banner')
 			.leftJoinAndSelect('note.reply', 'reply')
 			.leftJoinAndSelect('note.renote', 'renote')
 			.leftJoinAndSelect('reply.user', 'replyUser')
-			.leftJoinAndSelect('renote.user', 'renoteUser');
+			.leftJoinAndSelect('replyUser.avatar', 'replyUserAvatar')
+			.leftJoinAndSelect('replyUser.banner', 'replyUserBanner')
+			.leftJoinAndSelect('renote.user', 'renoteUser')
+			.leftJoinAndSelect('renoteUser.avatar', 'renoteUserAvatar')
+			.leftJoinAndSelect('renoteUser.banner', 'renoteUserBanner');
 
 		generateVisibilityQuery(query, me);
 		if (me) generateMutedUserQuery(query, me);
 		if (me) generateBlockedUserQuery(query, me);
 
-		const notes = await query.take(ps.limit!).getMany();
+		const notes = await query.take(ps.limit).getMany();
 
 		return await Notes.packMany(notes, me);
 	} else {
@@ -115,7 +100,7 @@ export default define(meta, async (ps, me) => {
 		const result = await es.search({
 			index: config.elasticsearch.index || 'misskey_note',
 			body: {
-				size: ps.limit!,
+				size: ps.limit,
 				from: ps.offset,
 				query: {
 					bool: {
diff --git a/packages/backend/src/server/api/endpoints/notes/show.ts b/packages/backend/src/server/api/endpoints/notes/show.ts
index feb94be1a1..d6692923c3 100644
--- a/packages/backend/src/server/api/endpoints/notes/show.ts
+++ b/packages/backend/src/server/api/endpoints/notes/show.ts
@@ -1,21 +1,13 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../define';
-import { getNote } from '../../common/getters';
-import { ApiError } from '../../error';
-import { Notes } from '@/models/index';
+import define from '../../define.js';
+import { getNote } from '../../common/getters.js';
+import { ApiError } from '../../error.js';
+import { Notes } from '@/models/index.js';
 
 export const meta = {
 	tags: ['notes'],
 
 	requireCredential: false,
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-	},
-
 	res: {
 		type: 'object',
 		optional: false, nullable: false,
@@ -31,8 +23,16 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['noteId'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const note = await getNote(ps.noteId).catch(e => {
 		if (e.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
 		throw e;
diff --git a/packages/backend/src/server/api/endpoints/notes/state.ts b/packages/backend/src/server/api/endpoints/notes/state.ts
index c3e9090bbf..6fdb8e88fb 100644
--- a/packages/backend/src/server/api/endpoints/notes/state.ts
+++ b/packages/backend/src/server/api/endpoints/notes/state.ts
@@ -1,19 +1,11 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../define';
-import { NoteFavorites, Notes, NoteThreadMutings, NoteWatchings } from '@/models/index';
+import define from '../../define.js';
+import { NoteFavorites, Notes, NoteThreadMutings, NoteWatchings } from '@/models/index.js';
 
 export const meta = {
 	tags: ['notes'],
 
 	requireCredential: true,
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-	},
-
 	res: {
 		type: 'object',
 		optional: false, nullable: false,
@@ -34,8 +26,16 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['noteId'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const note = await Notes.findOneOrFail(ps.noteId);
 
 	const [favorite, watching, threadMuting] = await Promise.all([
diff --git a/packages/backend/src/server/api/endpoints/notes/thread-muting/create.ts b/packages/backend/src/server/api/endpoints/notes/thread-muting/create.ts
index a8b50d90f6..e48a2cf576 100644
--- a/packages/backend/src/server/api/endpoints/notes/thread-muting/create.ts
+++ b/packages/backend/src/server/api/endpoints/notes/thread-muting/create.ts
@@ -1,11 +1,9 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../../define';
-import { getNote } from '../../../common/getters';
-import { ApiError } from '../../../error';
-import { Notes, NoteThreadMutings } from '@/models';
-import { genId } from '@/misc/gen-id';
-import readNote from '@/services/note/read';
+import define from '../../../define.js';
+import { getNote } from '../../../common/getters.js';
+import { ApiError } from '../../../error.js';
+import { Notes, NoteThreadMutings } from '@/models/index.js';
+import { genId } from '@/misc/gen-id.js';
+import readNote from '@/services/note/read.js';
 
 export const meta = {
 	tags: ['notes'],
@@ -14,12 +12,6 @@ export const meta = {
 
 	kind: 'write:account',
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-	},
-
 	errors: {
 		noSuchNote: {
 			message: 'No such note.',
@@ -29,8 +21,16 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['noteId'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const note = await getNote(ps.noteId).catch(e => {
 		if (e.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
 		throw e;
diff --git a/packages/backend/src/server/api/endpoints/notes/thread-muting/delete.ts b/packages/backend/src/server/api/endpoints/notes/thread-muting/delete.ts
index f76b526ce1..4fb3137a5e 100644
--- a/packages/backend/src/server/api/endpoints/notes/thread-muting/delete.ts
+++ b/packages/backend/src/server/api/endpoints/notes/thread-muting/delete.ts
@@ -1,9 +1,7 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../../define';
-import { getNote } from '../../../common/getters';
-import { ApiError } from '../../../error';
-import { NoteThreadMutings } from '@/models';
+import define from '../../../define.js';
+import { getNote } from '../../../common/getters.js';
+import { ApiError } from '../../../error.js';
+import { NoteThreadMutings } from '@/models/index.js';
 
 export const meta = {
 	tags: ['notes'],
@@ -12,12 +10,6 @@ export const meta = {
 
 	kind: 'write:account',
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-	},
-
 	errors: {
 		noSuchNote: {
 			message: 'No such note.',
@@ -27,8 +19,16 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['noteId'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const note = await getNote(ps.noteId).catch(e => {
 		if (e.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
 		throw e;
diff --git a/packages/backend/src/server/api/endpoints/notes/timeline.ts b/packages/backend/src/server/api/endpoints/notes/timeline.ts
index 8be2861aec..fde66b241b 100644
--- a/packages/backend/src/server/api/endpoints/notes/timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/timeline.ts
@@ -1,65 +1,21 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../define';
-import { makePaginationQuery } from '../../common/make-pagination-query';
-import { Notes, Followings } from '@/models/index';
-import { generateVisibilityQuery } from '../../common/generate-visibility-query';
-import { generateMutedUserQuery } from '../../common/generate-muted-user-query';
-import { generateMutedInstanceQuery } from '../../common/generate-muted-instance-query';
-import { activeUsersChart } from '@/services/chart/index';
+import define from '../../define.js';
+import { makePaginationQuery } from '../../common/make-pagination-query.js';
+import { Notes, Followings } from '@/models/index.js';
+import { generateVisibilityQuery } from '../../common/generate-visibility-query.js';
+import { generateMutedUserQuery } from '../../common/generate-muted-user-query.js';
+import { generateMutedInstanceQuery } from '../../common/generate-muted-instance-query.js';
+import { activeUsersChart } from '@/services/chart/index.js';
 import { Brackets } from 'typeorm';
-import { generateRepliesQuery } from '../../common/generate-replies-query';
-import { generateMutedNoteQuery } from '../../common/generate-muted-note-query';
-import { generateChannelQuery } from '../../common/generate-channel-query';
-import { generateBlockedUserQuery } from '../../common/generate-block-query';
+import { generateRepliesQuery } from '../../common/generate-replies-query.js';
+import { generateMutedNoteQuery } from '../../common/generate-muted-note-query.js';
+import { generateChannelQuery } from '../../common/generate-channel-query.js';
+import { generateBlockedUserQuery } from '../../common/generate-block-query.js';
 
 export const meta = {
 	tags: ['notes'],
 
 	requireCredential: true,
 
-	params: {
-		limit: {
-			validator: $.optional.num.range(1, 100),
-			default: 10,
-		},
-
-		sinceId: {
-			validator: $.optional.type(ID),
-		},
-
-		untilId: {
-			validator: $.optional.type(ID),
-		},
-
-		sinceDate: {
-			validator: $.optional.num,
-		},
-
-		untilDate: {
-			validator: $.optional.num,
-		},
-
-		includeMyRenotes: {
-			validator: $.optional.bool,
-			default: true,
-		},
-
-		includeRenotedMyNotes: {
-			validator: $.optional.bool,
-			default: true,
-		},
-
-		includeLocalRenotes: {
-			validator: $.optional.bool,
-			default: true,
-		},
-
-		withFiles: {
-			validator: $.optional.bool,
-		},
-	},
-
 	res: {
 		type: 'array',
 		optional: false, nullable: false,
@@ -71,8 +27,24 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+		sinceId: { type: 'string', format: 'misskey:id' },
+		untilId: { type: 'string', format: 'misskey:id' },
+		sinceDate: { type: 'integer' },
+		untilDate: { type: 'integer' },
+		includeMyRenotes: { type: 'boolean', default: true },
+		includeRenotedMyNotes: { type: 'boolean', default: true },
+		includeLocalRenotes: { type: 'boolean', default: true },
+		withFiles: { type: 'boolean' },
+	},
+	required: [],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const hasFollowing = (await Followings.count({
 		where: {
 			followerId: user.id,
@@ -92,10 +64,16 @@ export default define(meta, async (ps, user) => {
 			if (hasFollowing) qb.orWhere(`note.userId IN (${ followingQuery.getQuery() })`);
 		}))
 		.innerJoinAndSelect('note.user', 'user')
+		.leftJoinAndSelect('user.avatar', 'avatar')
+		.leftJoinAndSelect('user.banner', 'banner')
 		.leftJoinAndSelect('note.reply', 'reply')
 		.leftJoinAndSelect('note.renote', 'renote')
 		.leftJoinAndSelect('reply.user', 'replyUser')
+		.leftJoinAndSelect('replyUser.avatar', 'replyUserAvatar')
+		.leftJoinAndSelect('replyUser.banner', 'replyUserBanner')
 		.leftJoinAndSelect('renote.user', 'renoteUser')
+		.leftJoinAndSelect('renoteUser.avatar', 'renoteUserAvatar')
+		.leftJoinAndSelect('renoteUser.banner', 'renoteUserBanner')
 		.setParameters(followingQuery.getParameters());
 
 	generateChannelQuery(query, user);
@@ -141,11 +119,11 @@ export default define(meta, async (ps, user) => {
 	}
 	//#endregion
 
-	const timeline = await query.take(ps.limit!).getMany();
+	const timeline = await query.take(ps.limit).getMany();
 
 	process.nextTick(() => {
 		if (user) {
-			activeUsersChart.update(user);
+			activeUsersChart.read(user);
 		}
 	});
 
diff --git a/packages/backend/src/server/api/endpoints/notes/translate.ts b/packages/backend/src/server/api/endpoints/notes/translate.ts
index ed069cb75a..068df6940b 100644
--- a/packages/backend/src/server/api/endpoints/notes/translate.ts
+++ b/packages/backend/src/server/api/endpoints/notes/translate.ts
@@ -1,29 +1,18 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../define';
-import { getNote } from '../../common/getters';
-import { ApiError } from '../../error';
+import define from '../../define.js';
+import { getNote } from '../../common/getters.js';
+import { ApiError } from '../../error.js';
 import fetch from 'node-fetch';
-import config from '@/config/index';
-import { getAgentByUrl } from '@/misc/fetch';
-import { URLSearchParams } from 'url';
-import { fetchMeta } from '@/misc/fetch-meta';
-import { Notes } from '@/models';
+import config from '@/config/index.js';
+import { getAgentByUrl } from '@/misc/fetch.js';
+import { URLSearchParams } from 'node:url';
+import { fetchMeta } from '@/misc/fetch-meta.js';
+import { Notes } from '@/models/index.js';
 
 export const meta = {
 	tags: ['notes'],
 
 	requireCredential: false,
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-		targetLang: {
-			validator: $.str,
-		},
-	},
-
 	res: {
 		type: 'object',
 		optional: false, nullable: false,
@@ -38,8 +27,17 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+		targetLang: { type: 'string' },
+	},
+	required: ['noteId', 'targetLang'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const note = await getNote(ps.noteId).catch(e => {
 		if (e.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
 		throw e;
diff --git a/packages/backend/src/server/api/endpoints/notes/unrenote.ts b/packages/backend/src/server/api/endpoints/notes/unrenote.ts
index 8db543d328..a9aadba338 100644
--- a/packages/backend/src/server/api/endpoints/notes/unrenote.ts
+++ b/packages/backend/src/server/api/endpoints/notes/unrenote.ts
@@ -1,11 +1,9 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import deleteNote from '@/services/note/delete';
-import define from '../../define';
+import deleteNote from '@/services/note/delete.js';
+import define from '../../define.js';
 import ms from 'ms';
-import { getNote } from '../../common/getters';
-import { ApiError } from '../../error';
-import { Notes, Users } from '@/models/index';
+import { getNote } from '../../common/getters.js';
+import { ApiError } from '../../error.js';
+import { Notes, Users } from '@/models/index.js';
 
 export const meta = {
 	tags: ['notes'],
@@ -20,12 +18,6 @@ export const meta = {
 		minInterval: ms('1sec'),
 	},
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-	},
-
 	errors: {
 		noSuchNote: {
 			message: 'No such note.',
@@ -35,8 +27,16 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['noteId'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const note = await getNote(ps.noteId).catch(e => {
 		if (e.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
 		throw e;
diff --git a/packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts b/packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts
index 89de73fb9d..0829d0e4c1 100644
--- a/packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/user-list-timeline.ts
@@ -1,11 +1,9 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../define';
-import { ApiError } from '../../error';
-import { UserLists, UserListJoinings, Notes } from '@/models/index';
-import { makePaginationQuery } from '../../common/make-pagination-query';
-import { generateVisibilityQuery } from '../../common/generate-visibility-query';
-import { activeUsersChart } from '@/services/chart/index';
+import define from '../../define.js';
+import { ApiError } from '../../error.js';
+import { UserLists, UserListJoinings, Notes } from '@/models/index.js';
+import { makePaginationQuery } from '../../common/make-pagination-query.js';
+import { generateVisibilityQuery } from '../../common/generate-visibility-query.js';
+import { activeUsersChart } from '@/services/chart/index.js';
 import { Brackets } from 'typeorm';
 
 export const meta = {
@@ -13,52 +11,6 @@ export const meta = {
 
 	requireCredential: true,
 
-	params: {
-		listId: {
-			validator: $.type(ID),
-		},
-
-		limit: {
-			validator: $.optional.num.range(1, 100),
-			default: 10,
-		},
-
-		sinceId: {
-			validator: $.optional.type(ID),
-		},
-
-		untilId: {
-			validator: $.optional.type(ID),
-		},
-
-		sinceDate: {
-			validator: $.optional.num,
-		},
-
-		untilDate: {
-			validator: $.optional.num,
-		},
-
-		includeMyRenotes: {
-			validator: $.optional.bool,
-			default: true,
-		},
-
-		includeRenotedMyNotes: {
-			validator: $.optional.bool,
-			default: true,
-		},
-
-		includeLocalRenotes: {
-			validator: $.optional.bool,
-			default: true,
-		},
-
-		withFiles: {
-			validator: $.optional.bool,
-		},
-	},
-
 	res: {
 		type: 'array',
 		optional: false, nullable: false,
@@ -78,8 +30,25 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		listId: { type: 'string', format: 'misskey:id' },
+		limit: { type: 'integer', minimum: 1, maximum: 100, default: 10 },
+		sinceId: { type: 'string', format: 'misskey:id' },
+		untilId: { type: 'string', format: 'misskey:id' },
+		sinceDate: { type: 'integer' },
+		untilDate: { type: 'integer' },
+		includeMyRenotes: { type: 'boolean', default: true },
+		includeRenotedMyNotes: { type: 'boolean', default: true },
+		includeLocalRenotes: { type: 'boolean', default: true },
+		withFiles: { type: 'boolean' },
+	},
+	required: ['listId'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const list = await UserLists.findOne({
 		id: ps.listId,
 		userId: user.id,
@@ -97,10 +66,16 @@ export default define(meta, async (ps, user) => {
 	const query = makePaginationQuery(Notes.createQueryBuilder('note'), ps.sinceId, ps.untilId)
 		.andWhere(`note.userId IN (${ listQuery.getQuery() })`)
 		.innerJoinAndSelect('note.user', 'user')
+		.leftJoinAndSelect('user.avatar', 'avatar')
+		.leftJoinAndSelect('user.banner', 'banner')
 		.leftJoinAndSelect('note.reply', 'reply')
 		.leftJoinAndSelect('note.renote', 'renote')
 		.leftJoinAndSelect('reply.user', 'replyUser')
+		.leftJoinAndSelect('replyUser.avatar', 'replyUserAvatar')
+		.leftJoinAndSelect('replyUser.banner', 'replyUserBanner')
 		.leftJoinAndSelect('renote.user', 'renoteUser')
+		.leftJoinAndSelect('renoteUser.avatar', 'renoteUserAvatar')
+		.leftJoinAndSelect('renoteUser.banner', 'renoteUserBanner')
 		.setParameters(listQuery.getParameters());
 
 	generateVisibilityQuery(query, user);
@@ -140,9 +115,9 @@ export default define(meta, async (ps, user) => {
 	}
 	//#endregion
 
-	const timeline = await query.take(ps.limit!).getMany();
+	const timeline = await query.take(ps.limit).getMany();
 
-	activeUsersChart.update(user);
+	activeUsersChart.read(user);
 
 	return await Notes.packMany(timeline, user);
 });
diff --git a/packages/backend/src/server/api/endpoints/notes/watching/create.ts b/packages/backend/src/server/api/endpoints/notes/watching/create.ts
index 6433c6bc2a..8fdf84624e 100644
--- a/packages/backend/src/server/api/endpoints/notes/watching/create.ts
+++ b/packages/backend/src/server/api/endpoints/notes/watching/create.ts
@@ -1,9 +1,7 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../../define';
-import watch from '@/services/note/watch';
-import { getNote } from '../../../common/getters';
-import { ApiError } from '../../../error';
+import define from '../../../define.js';
+import watch from '@/services/note/watch.js';
+import { getNote } from '../../../common/getters.js';
+import { ApiError } from '../../../error.js';
 
 export const meta = {
 	tags: ['notes'],
@@ -12,12 +10,6 @@ export const meta = {
 
 	kind: 'write:account',
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-	},
-
 	errors: {
 		noSuchNote: {
 			message: 'No such note.',
@@ -27,8 +19,16 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['noteId'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const note = await getNote(ps.noteId).catch(e => {
 		if (e.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
 		throw e;
diff --git a/packages/backend/src/server/api/endpoints/notes/watching/delete.ts b/packages/backend/src/server/api/endpoints/notes/watching/delete.ts
index 3e9faa2b23..d58f09797c 100644
--- a/packages/backend/src/server/api/endpoints/notes/watching/delete.ts
+++ b/packages/backend/src/server/api/endpoints/notes/watching/delete.ts
@@ -1,9 +1,7 @@
-import $ from 'cafy';
-import { ID } from '@/misc/cafy-id';
-import define from '../../../define';
-import unwatch from '@/services/note/unwatch';
-import { getNote } from '../../../common/getters';
-import { ApiError } from '../../../error';
+import define from '../../../define.js';
+import unwatch from '@/services/note/unwatch.js';
+import { getNote } from '../../../common/getters.js';
+import { ApiError } from '../../../error.js';
 
 export const meta = {
 	tags: ['notes'],
@@ -12,12 +10,6 @@ export const meta = {
 
 	kind: 'write:account',
 
-	params: {
-		noteId: {
-			validator: $.type(ID),
-		},
-	},
-
 	errors: {
 		noSuchNote: {
 			message: 'No such note.',
@@ -27,8 +19,16 @@ export const meta = {
 	},
 } as const;
 
+export const paramDef = {
+	type: 'object',
+	properties: {
+		noteId: { type: 'string', format: 'misskey:id' },
+	},
+	required: ['noteId'],
+} as const;
+
 // eslint-disable-next-line import/no-default-export
-export default define(meta, async (ps, user) => {
+export default define(meta, paramDef, async (ps, user) => {
 	const note = await getNote(ps.noteId).catch(e => {
 		if (e.id === '9725d0ce-ba28-4dde-95a7-2cbb2c15de24') throw new ApiError(meta.errors.noSuchNote);
 		throw e;