enhance(misskey-js) misskey-jsのストリーミングAPI定義をバックエンドに追従 (#12552)

* (enhance) misskey-jsのストリーミングAPI定義をバックエンドに追従

* fix ci

* fix ci

packages/backend/src/models/json-schema/signin.ts

@@ -0,0 +1,26 @@
+export const packedSigninSchema = {
+	type: 'object',
+	properties: {
+		id: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+		createdAt: {
+			type: 'string',
+			optional: false, nullable: false,
+			format: 'date-time',
+		},
+		ip: {
+			type: 'string',
+			optional: false, nullable: false,
+		},
+		headers: {
+			type: 'object',
+			optional: false, nullable: false,
+		},
+		success: {
+			type: 'boolean',
+			optional: false, nullable: false,
+		},
+	},
+} as const;