diff --git a/database/migrations/2025_07_24_131242_update_files_table_for_common_usage.php b/database/migrations/2025_07_24_131242_update_files_table_for_common_usage.php
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index 0000000..8769762
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+++ b/database/migrations/2025_07_24_131242_update_files_table_for_common_usage.php
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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class UpdateFilesTableForCommonUsage extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('files', function (Blueprint $table) {
+            // 기존 컬럼명 변경
+            $table->renameColumn('file_name', 'file_name_old'); // 잠시 백업
+
+            // 새로운 컬럼 추가
+            $table->string('original_name', 255)->after('file_path')->comment('원본 파일명');
+            $table->string('file_name', 255)->after('original_name')->comment('저장 파일명 (난수)');
+            $table->string('target_table', 50)->after('description')->comment('연결된 테이블명');
+            $table->unsignedBigInteger('target_id')->after('target_table')->comment('연결된 테이블의 PK ID');
+            $table->unsignedBigInteger('uploaded_by')->nullable()->after('target_id')->comment('업로더 사용자 ID');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('files', function (Blueprint $table) {
+            // 복구 시 이전 file_name 복원
+            $table->string('file_name', 255)->after('file_path');
+            $table->dropColumn([
+                'original_name',
+                'target_table',
+                'target_id',
+                'uploaded_by'
+            ]);
+        });
+    }
+};