use for type declaration

Author: tknkaa

app/lib/hai/shanten.ts

@@ -2,11 +2,11 @@ import { type Hai, haiToIndex } from "./types";
 
 type TehaiIndex = number[];
 
-interface ShantenResult {
+type ShantenResult = {
 	shanten: number;
 	isTenpai: boolean;
 	isAgari: boolean;
-}
+};
 
 /**
  * Calculate shanten number for a hand (13 or 14 tiles)

app/routes/gameover.tsx

@@ -6,7 +6,7 @@ import { getDB } from "@/lib/db";
 import { kyoku } from "@/lib/db/schema";
 import type { Route } from "./+types/gameover";
 
-export interface GameOverData {
+export type GameOverData = {
 	finalScore: number;
 	rank: number;
 	totalPlayers: number;
@@ -15,7 +15,7 @@ export interface GameOverData {
 	agariCount: number;
 	ryukyokuCount: number;
 	tenpaiCount: number;
-}
+};
 
 export async function loader({
 	context,

app/routes/score.tsx

@@ -5,7 +5,7 @@ import { getDB } from "@/lib/db";
 import { kyoku } from "@/lib/db/schema";
 import type { Route } from "./+types/score";
 
-export interface KyokuRecord {
+export type KyokuRecord = {
 	id: string;
 	haiyamaId: string;
 	didAgari: boolean;
@@ -15,16 +15,16 @@ export interface KyokuRecord {
 	createdAt: Date;
 	playedCount: number;
 	agariCount: number;
-}
+};
 
-export interface GameSession {
+export type GameSession = {
 	records: KyokuRecord[];
-}
+};
 
-export interface ScoreData {
+export type ScoreData = {
 	sessions: GameSession[];
 	totalScore: number;
-}
+};
 
 export async function loader({
 	context,