feat: 为赔率项增加 dimension 字段并支持按维度配置佣金，调整后台配置导航权限

database/migrations/2026_05_21_093141_add_dimension_to_odds_items_table.php

@@ -0,0 +1,49 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('odds_items', function (Blueprint $table) {
+            // 添加 dimension 字段用于按 2D/3D/4D 配置佣金
+            $table->unsignedTinyInteger('dimension')->nullable()->after('prize_scope')->comment('2/3/4 维度，佣金按维度配置');
+            
+            // 删除旧的唯一约束
+            $table->dropUnique('uk_odds_items_version_play_prize_currency');
+            
+            // 添加新的唯一约束：佣金按 dimension + currency_code 配置
+            // 赔率仍按 play_code + prize_scope + currency_code 配置
+            $table->unique(
+                ['version_id', 'play_code', 'prize_scope', 'currency_code', 'dimension'],
+                'uk_odds_items_version_play_prize_currency_dimension'
+            );
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('odds_items', function (Blueprint $table) {
+            // 删除新的唯一约束
+            $table->dropUnique('uk_odds_items_version_play_prize_currency_dimension');
+            
+            // 恢复旧的唯一约束
+            $table->unique(
+                ['version_id', 'play_code', 'prize_scope', 'currency_code'],
+                'uk_odds_items_version_play_prize_currency'
+            );
+            
+            // 删除 dimension 字段
+            $table->dropColumn('dimension');
+        });
+    }
+};

database/seeders/OperationalConfigV1Seeder.php

@@ -105,6 +105,7 @@ final class OperationalConfigV1Seeder extends Seeder
                     'version_id' => $oddsVersion->id,
                     'play_code' => $pt->play_code,
                     'prize_scope' => $scope,
+                    'dimension' => $pt->dimension,
                     'odds_value' => $oddsValue,
                     'rebate_rate' => 0,
                     'commission_rate' => 0,