fix : 자재관리 API (리스트,조회,등록,수정,삭제)

database/migrations/2025_08_21_000100_create_materials_table.php

@@ -0,0 +1,49 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Support\Facades\DB;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('materials', function (Blueprint $table) {
+            // category_id
+            if (!Schema::hasColumn('materials', 'category_id')) {
+                $table->unsignedBigInteger('category_id')
+                    ->nullable()
+                    ->after('tenant_id')
+                    ->comment('카테고리 ID')
+                    ->index();
+            }
+
+            // item_name
+            if (!Schema::hasColumn('materials', 'item_name')) {
+                $table->string('item_name', 255)
+                    ->nullable()
+                    ->after('name')
+                    ->comment('품목명 (자재명+규격정보)');
+            }
+        });
+
+        // 필요 시 FK RAW SQL로 추가(선택)
+        // try {
+        //     DB::statement('ALTER TABLE materials
+        //         ADD CONSTRAINT materials_category_id_foreign
+        //         FOREIGN KEY (category_id) REFERENCES categories(id)
+        //         ON DELETE SET NULL');
+        // } catch (\Throwable $e) {}
+    }
+
+    public function down(): void
+    {
+        // FK 제거 시도
+        try { DB::statement('ALTER TABLE materials DROP FOREIGN KEY materials_category_id_foreign'); } catch (\Throwable $e) {}
+
+        // 컬럼 제거
+        try { DB::statement('ALTER TABLE materials DROP COLUMN category_id'); } catch (\Throwable $e) {}
+        try { DB::statement('ALTER TABLE materials DROP COLUMN item_name'); } catch (\Throwable $e) {}
+    }
+};