重构记分数据模型，替换弓型和靶纸类型为 ID 及名称，更新相关页面以支持新配置。

lib/features/scoring/domain/point_book_config.dart

@@ -0,0 +1,93 @@
+import 'dart:convert';
+
+import 'package:flutter/services.dart';
+
+class BowOption {
+  const BowOption({
+    required this.id,
+    required this.name,
+    required this.icon,
+  });
+
+  final int id;
+  final String name;
+  final String icon;
+
+  factory BowOption.fromJson(Map<String, dynamic> json) {
+    return BowOption(
+      id: json['id'] as int,
+      name: json['name'] as String,
+      icon: json['icon'] as String? ?? '',
+    );
+  }
+}
+
+class TargetOption {
+  const TargetOption({
+    required this.id,
+    required this.name,
+    required this.icon,
+    required this.iconPng,
+  });
+
+  final int id;
+  final String name;
+  final String icon;
+  final String iconPng;
+
+  factory TargetOption.fromJson(Map<String, dynamic> json) {
+    return TargetOption(
+      id: json['id'] as int,
+      name: json['name'] as String,
+      icon: json['icon'] as String? ?? '',
+      iconPng: json['iconPng'] as String? ?? '',
+    );
+  }
+}
+
+class PointBookConfig {
+  const PointBookConfig({
+    required this.bowOption,
+    required this.targetOption,
+  });
+
+  static const assetPath = 'assets/config/point_book_config.json';
+
+  final List<BowOption> bowOption;
+  final List<TargetOption> targetOption;
+
+  factory PointBookConfig.fromJson(Map<String, dynamic> json) {
+    final bows = (json['bowOption'] as List<dynamic>? ?? const [])
+        .cast<Map<String, dynamic>>()
+        .map(BowOption.fromJson)
+        .toList();
+    final targets = (json['targetOption'] as List<dynamic>? ?? const [])
+        .cast<Map<String, dynamic>>()
+        .map(TargetOption.fromJson)
+        .toList();
+    return PointBookConfig(bowOption: bows, targetOption: targets);
+  }
+
+  static Future<PointBookConfig> fromAsset({
+    String path = assetPath,
+  }) async {
+    final raw = await rootBundle.loadString(path);
+    return PointBookConfig.fromJson(
+      jsonDecode(raw) as Map<String, dynamic>,
+    );
+  }
+
+  BowOption? bowById(int id) {
+    for (final o in bowOption) {
+      if (o.id == id) return o;
+    }
+    return null;
+  }
+
+  TargetOption? targetById(int id) {
+    for (final o in targetOption) {
+      if (o.id == id) return o;
+    }
+    return null;
+  }
+}