From 4c7cf85ef90c5fa13aa2f6a27750a11f80212135 Mon Sep 17 00:00:00 2001
From: pro <lightone2017@codebridge-x.com>
Date: Thu, 29 Jan 2026 09:00:07 +0900
Subject: [PATCH] =?UTF-8?q?fix:=EC=8B=9C=EB=82=98=EB=A6=AC=EC=98=A4=20?=
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- 기존 유니크 키 (tenant_id, user_id, step_id, checkpoint_index) 삭제
- 새 유니크 키 (tenant_id, scenario_type, step_id, checkpoint_id) 생성
- checkpoint_index를 nullable로 변경

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 LOGICAL_RELATIONSHIPS.md                      |  2 +-
 ...x_sales_scenario_checklists_unique_key.php | 48 +++++++++++++++++++
 2 files changed, 49 insertions(+), 1 deletion(-)
 create mode 100644 database/migrations/2026_01_29_090000_fix_sales_scenario_checklists_unique_key.php

diff --git a/LOGICAL_RELATIONSHIPS.md b/LOGICAL_RELATIONSHIPS.md
index d6211e5..bafc746 100644
--- a/LOGICAL_RELATIONSHIPS.md
+++ b/LOGICAL_RELATIONSHIPS.md
@@ -1,6 +1,6 @@
 # 논리적 데이터베이스 관계 문서
 
-> **자동 생성**: 2026-01-28 08:49:03
+> **자동 생성**: 2026-01-29 08:59:43
 > **소스**: Eloquent 모델 관계 분석
 
 ## 📊 모델별 관계 현황
diff --git a/database/migrations/2026_01_29_090000_fix_sales_scenario_checklists_unique_key.php b/database/migrations/2026_01_29_090000_fix_sales_scenario_checklists_unique_key.php
new file mode 100644
index 0000000..fee45fd
--- /dev/null
+++ b/database/migrations/2026_01_29_090000_fix_sales_scenario_checklists_unique_key.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::table('sales_scenario_checklists', function (Blueprint $table) {
+            // 기존 유니크 키 삭제
+            $table->dropUnique('sales_scenario_unique');
+
+            // checkpoint_index를 nullable로 변경
+            $table->unsignedTinyInteger('checkpoint_index')->nullable()->change();
+
+            // 새 유니크 키 생성 (checkpoint_id 기반)
+            $table->unique(
+                ['tenant_id', 'scenario_type', 'step_id', 'checkpoint_id'],
+                'sales_scenario_checkpoint_unique'
+            );
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('sales_scenario_checklists', function (Blueprint $table) {
+            // 새 유니크 키 삭제
+            $table->dropUnique('sales_scenario_checkpoint_unique');
+
+            // checkpoint_index를 NOT NULL로 복원
+            $table->unsignedTinyInteger('checkpoint_index')->nullable(false)->change();
+
+            // 기존 유니크 키 복원
+            $table->unique(
+                ['tenant_id', 'user_id', 'step_id', 'checkpoint_index'],
+                'sales_scenario_unique'
+            );
+        });
+    }
+};