update backend p20.1 p20.2

backend/migrations/2026_04_16_100000_add_composite_index_to_api_keys.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+use Hyperf\Database\Schema\Schema;
+use Hyperf\Database\Schema\Blueprint;
+use Hyperf\Database\Migrations\Migration;
+
+return new class extends Migration
+{
+    /**
+     * 添加 (user_id, key_hash) 联合索引，支撑新 key 格式的精确查询
+     */
+    public function up(): void
+    {
+        Schema::table('api_keys', function (Blueprint $table) {
+            $table->index(['user_id', 'key_hash'], 'idx_api_keys_user_id_key_hash');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('api_keys', function (Blueprint $table) {
+            $table->dropIndex('idx_api_keys_user_id_key_hash');
+        });
+    }
+};