feat: [api-explorer] MNG API Explorer용 마이그레이션 추가

- admin_api_bookmarks: 즐겨찾기
- admin_api_templates: 요청 템플릿
- admin_api_histories: 요청 히스토리
- admin_api_environments: 환경 설정

database/migrations/2025_12_17_200001_create_admin_api_bookmarks_table.php

@@ -0,0 +1,35 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('admin_api_bookmarks', function (Blueprint $table) {
+            $table->id()->comment('ID');
+            $table->foreignId('user_id')->comment('사용자 ID');
+            $table->string('endpoint', 500)->comment('API 엔드포인트');
+            $table->string('method', 10)->comment('HTTP 메서드');
+            $table->string('display_name', 100)->nullable()->comment('표시 이름');
+            $table->integer('display_order')->default(0)->comment('표시 순서');
+            $table->string('color', 20)->nullable()->comment('색상');
+            $table->timestamps();
+
+            $table->unique(['user_id', 'endpoint', 'method']);
+            $table->index('user_id');
+
+            $table->foreign('user_id')
+                ->references('id')
+                ->on('users')
+                ->onDelete('cascade');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('admin_api_bookmarks');
+    }
+};

database/migrations/2025_12_17_200002_create_admin_api_templates_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('admin_api_templates', function (Blueprint $table) {
+            $table->id()->comment('ID');
+            $table->foreignId('user_id')->comment('사용자 ID');
+            $table->string('endpoint', 500)->comment('API 엔드포인트');
+            $table->string('method', 10)->comment('HTTP 메서드');
+            $table->string('name', 100)->comment('템플릿 이름');
+            $table->text('description')->nullable()->comment('설명');
+            $table->json('headers')->nullable()->comment('요청 헤더');
+            $table->json('path_params')->nullable()->comment('경로 파라미터');
+            $table->json('query_params')->nullable()->comment('쿼리 파라미터');
+            $table->json('body')->nullable()->comment('요청 본문');
+            $table->boolean('is_shared')->default(false)->comment('공유 여부');
+            $table->timestamps();
+
+            $table->index(['user_id', 'endpoint', 'method']);
+            $table->index('is_shared');
+
+            $table->foreign('user_id')
+                ->references('id')
+                ->on('users')
+                ->onDelete('cascade');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('admin_api_templates');
+    }
+};

database/migrations/2025_12_17_200003_create_admin_api_histories_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('admin_api_histories', function (Blueprint $table) {
+            $table->id()->comment('ID');
+            $table->foreignId('user_id')->comment('사용자 ID');
+            $table->string('endpoint', 500)->comment('API 엔드포인트');
+            $table->string('method', 10)->comment('HTTP 메서드');
+            $table->json('request_headers')->nullable()->comment('요청 헤더');
+            $table->json('request_body')->nullable()->comment('요청 본문');
+            $table->integer('response_status')->comment('응답 상태 코드');
+            $table->json('response_headers')->nullable()->comment('응답 헤더');
+            $table->longText('response_body')->nullable()->comment('응답 본문');
+            $table->integer('duration_ms')->comment('응답 시간(ms)');
+            $table->string('environment', 50)->comment('실행 환경');
+            $table->timestamp('created_at')->nullable();
+
+            $table->index(['user_id', 'created_at']);
+            $table->index(['endpoint', 'method']);
+
+            $table->foreign('user_id')
+                ->references('id')
+                ->on('users')
+                ->onDelete('cascade');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('admin_api_histories');
+    }
+};

database/migrations/2025_12_17_200004_create_admin_api_environments_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('admin_api_environments', function (Blueprint $table) {
+            $table->id()->comment('ID');
+            $table->foreignId('user_id')->comment('사용자 ID');
+            $table->string('name', 50)->comment('환경 이름');
+            $table->string('base_url', 500)->comment('기본 URL');
+            $table->string('api_key', 500)->nullable()->comment('API 키 (암호화)');
+            $table->text('auth_token')->nullable()->comment('인증 토큰 (암호화)');
+            $table->json('variables')->nullable()->comment('환경 변수');
+            $table->boolean('is_default')->default(false)->comment('기본 환경 여부');
+            $table->timestamps();
+
+            $table->index('user_id');
+
+            $table->foreign('user_id')
+                ->references('id')
+                ->on('users')
+                ->onDelete('cascade');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('admin_api_environments');
+    }
+};