feat: fcm_send_logs 테이블 마이그레이션 추가

LOGICAL_RELATIONSHIPS.md

@@ -1,6 +1,6 @@
 # 논리적 데이터베이스 관계 문서
 
-> **자동 생성**: 2025-12-18 19:32:06
+> **자동 생성**: 2025-12-19 10:11:32
 > **소스**: Eloquent 모델 관계 분석
 
 ## 📊 모델별 관계 현황

database/migrations/2025_12_19_100000_create_fcm_send_logs_table.php

@@ -0,0 +1,48 @@
+<?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::create('fcm_send_logs', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('tenant_id')->nullable()->constrained()->nullOnDelete();
+            $table->foreignId('user_id')->nullable()->comment('대상 사용자');
+            $table->foreignId('sender_id')->nullable()->comment('발송자 (MNG 관리자)');
+            $table->string('title');
+            $table->text('body');
+            $table->string('channel_id', 50)->default('push_default');
+            $table->string('type', 50)->nullable()->comment('알림 타입');
+            $table->string('platform', 20)->nullable()->comment('대상 플랫폼');
+            $table->json('data')->nullable()->comment('추가 데이터');
+            $table->unsignedInteger('total_count')->default(0);
+            $table->unsignedInteger('success_count')->default(0);
+            $table->unsignedInteger('failure_count')->default(0);
+            $table->unsignedInteger('invalid_token_count')->default(0);
+            $table->decimal('success_rate', 5, 2)->default(0);
+            $table->string('status', 20)->default('pending')->comment('pending, sending, completed, failed');
+            $table->text('error_message')->nullable();
+            $table->timestamp('completed_at')->nullable();
+            $table->timestamps();
+
+            $table->index(['tenant_id', 'created_at']);
+            $table->index(['status', 'created_at']);
+            $table->index('sender_id');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('fcm_send_logs');
+    }
+};