diff --git a/app/Console/Commands/Migrate5130Items.php b/app/Console/Commands/Migrate5130Items.php
new file mode 100644
index 0000000..8f7376e
--- /dev/null
+++ b/app/Console/Commands/Migrate5130Items.php
@@ -0,0 +1,652 @@
+<?php
+
+namespace App\Console\Commands;
+
+use Illuminate\Console\Attributes\AsCommand;
+use Illuminate\Console\Command;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Str;
+
+#[AsCommand(name: 'migrate:5130-items', description: '5130 품목 데이터를 SAM items 테이블로 마이그레이션')]
+class Migrate5130Items extends Command
+{
+    protected $signature = 'migrate:5130-items
+                            {--tenant_id=287 : Target tenant ID (default: 287 경동기업)}
+                            {--dry-run : 실제 저장 없이 시뮬레이션만 수행}
+                            {--step=all : 실행할 단계 (all|models|parts|parts_sub|bdmodels|relations)}
+                            {--rollback : 마이그레이션 롤백 (source=5130 데이터 삭제)}';
+
+    // 5130 DB 연결
+    private string $sourceDb = 'chandj';
+
+    // SAM DB 연결
+    private string $targetDb = 'samdb';
+
+    // 매핑 캐시 (source_table:source_id => item_id)
+    private array $idMappings = [];
+
+    public function handle(): int
+    {
+        $tenantId = (int) $this->option('tenant_id');
+        $dryRun = $this->option('dry-run');
+        $step = $this->option('step');
+        $rollback = $this->option('rollback');
+
+        $this->info("=== 5130 → SAM 품목 마이그레이션 ===");
+        $this->info("Tenant ID: {$tenantId}");
+        $this->info("Mode: " . ($dryRun ? 'DRY-RUN (시뮬레이션)' : 'LIVE'));
+        $this->info("Step: {$step}");
+        $this->newLine();
+
+        if ($rollback) {
+            return $this->rollbackMigration($tenantId, $dryRun);
+        }
+
+        // 기존 매핑 로드
+        $this->loadExistingMappings();
+
+        $steps = $step === 'all'
+            ? ['models', 'parts', 'parts_sub', 'bdmodels', 'relations']
+            : [$step];
+
+        foreach ($steps as $currentStep) {
+            $this->line(">>> Step: {$currentStep}");
+
+            match ($currentStep) {
+                'models' => $this->migrateModels($tenantId, $dryRun),
+                'parts' => $this->migrateParts($tenantId, $dryRun),
+                'parts_sub' => $this->migratePartsSub($tenantId, $dryRun),
+                'bdmodels' => $this->migrateBDModels($tenantId, $dryRun),
+                'relations' => $this->migrateRelations($tenantId, $dryRun),
+                default => $this->error("Unknown step: {$currentStep}"),
+            };
+
+            $this->newLine();
+        }
+
+        $this->info("=== 마이그레이션 완료 ===");
+        $this->showSummary();
+
+        return self::SUCCESS;
+    }
+
+    /**
+     * 기존 매핑 로드 (중복 방지)
+     */
+    private function loadExistingMappings(): void
+    {
+        $mappings = DB::connection('mysql')->table('item_id_mappings')->get();
+
+        foreach ($mappings as $mapping) {
+            $key = "{$mapping->source_table}:{$mapping->source_id}";
+            $this->idMappings[$key] = $mapping->item_id;
+        }
+
+        $this->line("Loaded " . count($this->idMappings) . " existing mappings");
+    }
+
+    /**
+     * models → items (FG)
+     */
+    private function migrateModels(int $tenantId, bool $dryRun): void
+    {
+        $this->info("Migrating models → items (FG)...");
+
+        $models = DB::connection('chandj')->table('models')
+            ->where('is_deleted', 0)
+            ->get();
+
+        $this->line("Found {$models->count()} models");
+
+        $bar = $this->output->createProgressBar($models->count());
+        $bar->start();
+
+        foreach ($models as $model) {
+            $mappingKey = "models:{$model->model_id}";
+
+            // 이미 마이그레이션된 경우 스킵
+            if (isset($this->idMappings[$mappingKey])) {
+                $bar->advance();
+                continue;
+            }
+
+            $itemData = [
+                'tenant_id' => $tenantId,
+                'item_type' => 'FG',
+                'code' => $model->model_name,
+                'name' => $model->model_name,
+                'unit' => 'SET',
+                'description' => $model->description,
+                'attributes' => json_encode([
+                    'major_category' => $model->major_category,
+                    'finishing_type' => $model->finishing_type,
+                    'guiderail_type' => $model->guiderail_type,
+                    'source' => '5130',
+                    'source_table' => 'models',
+                    'source_id' => $model->model_id,
+                ]),
+                'is_active' => 1,
+                'created_at' => $model->created_at ?? now(),
+                'updated_at' => $model->updated_at ?? now(),
+            ];
+
+            if (!$dryRun) {
+                $itemId = DB::connection('mysql')->table('items')->insertGetId($itemData);
+
+                // 매핑 기록
+                DB::connection('mysql')->table('item_id_mappings')->insert([
+                    'source_table' => 'models',
+                    'source_id' => $model->model_id,
+                    'item_id' => $itemId,
+                    'created_at' => now(),
+                    'updated_at' => now(),
+                ]);
+
+                $this->idMappings[$mappingKey] = $itemId;
+            }
+
+            $bar->advance();
+        }
+
+        $bar->finish();
+        $this->newLine();
+        $this->info("Models migration completed");
+    }
+
+    /**
+     * parts → items (PT)
+     */
+    private function migrateParts(int $tenantId, bool $dryRun): void
+    {
+        $this->info("Migrating parts → items (PT)...");
+
+        $parts = DB::connection('chandj')->table('parts')
+            ->where('is_deleted', 0)
+            ->get();
+
+        $this->line("Found {$parts->count()} parts");
+
+        $bar = $this->output->createProgressBar($parts->count());
+        $bar->start();
+
+        foreach ($parts as $part) {
+            $mappingKey = "parts:{$part->part_id}";
+
+            if (isset($this->idMappings[$mappingKey])) {
+                $bar->advance();
+                continue;
+            }
+
+            $code = $this->generateCode('PT', $part->part_name);
+
+            $itemData = [
+                'tenant_id' => $tenantId,
+                'item_type' => 'PT',
+                'code' => $code,
+                'name' => $part->part_name ?: '(이름없음)',
+                'unit' => $part->unit ?: 'EA',
+                'description' => $part->memo,
+                'attributes' => json_encode([
+                    'spec' => $part->spec,
+                    'unit_price' => $this->parseNumber($part->unitprice),
+                    'image_url' => $part->img_url,
+                    'source' => '5130',
+                    'source_table' => 'parts',
+                    'source_id' => $part->part_id,
+                    'parent_model_id' => $part->model_id,
+                ]),
+                'is_active' => 1,
+                'created_at' => $part->created_at ?? now(),
+                'updated_at' => $part->updated_at ?? now(),
+            ];
+
+            if (!$dryRun) {
+                $itemId = DB::connection('mysql')->table('items')->insertGetId($itemData);
+
+                DB::connection('mysql')->table('item_id_mappings')->insert([
+                    'source_table' => 'parts',
+                    'source_id' => $part->part_id,
+                    'item_id' => $itemId,
+                    'created_at' => now(),
+                    'updated_at' => now(),
+                ]);
+
+                $this->idMappings[$mappingKey] = $itemId;
+            }
+
+            $bar->advance();
+        }
+
+        $bar->finish();
+        $this->newLine();
+        $this->info("Parts migration completed");
+    }
+
+    /**
+     * parts_sub → items (RM)
+     */
+    private function migratePartsSub(int $tenantId, bool $dryRun): void
+    {
+        $this->info("Migrating parts_sub → items (RM)...");
+
+        $partsSub = DB::connection('chandj')->table('parts_sub')
+            ->where('is_deleted', 0)
+            ->get();
+
+        $this->line("Found {$partsSub->count()} parts_sub");
+
+        $bar = $this->output->createProgressBar($partsSub->count());
+        $bar->start();
+
+        foreach ($partsSub as $sub) {
+            $mappingKey = "parts_sub:{$sub->subpart_id}";
+
+            if (isset($this->idMappings[$mappingKey])) {
+                $bar->advance();
+                continue;
+            }
+
+            $code = $this->generateCode('RM', $sub->subpart_name);
+
+            $itemData = [
+                'tenant_id' => $tenantId,
+                'item_type' => 'RM',
+                'code' => $code,
+                'name' => $sub->subpart_name ?: '(이름없음)',
+                'unit' => 'EA',
+                'description' => null,
+                'attributes' => json_encode([
+                    'material' => $sub->material,
+                    'bend_sum' => $this->parseNumber($sub->bendSum),
+                    'plate_sum' => $this->parseNumber($sub->plateSum),
+                    'final_sum' => $this->parseNumber($sub->finalSum),
+                    'unit_price' => $this->parseNumber($sub->unitPrice),
+                    'computed_price' => $this->parseNumber($sub->computedPrice),
+                    'line_total' => $this->parseNumber($sub->lineTotal),
+                    'image_url' => $sub->image_url,
+                    'source' => '5130',
+                    'source_table' => 'parts_sub',
+                    'source_id' => $sub->subpart_id,
+                    'parent_part_id' => $sub->part_id,
+                ]),
+                'is_active' => 1,
+                'created_at' => $sub->created_at ?? now(),
+                'updated_at' => $sub->updated_at ?? now(),
+            ];
+
+            if (!$dryRun) {
+                $itemId = DB::connection('mysql')->table('items')->insertGetId($itemData);
+
+                DB::connection('mysql')->table('item_id_mappings')->insert([
+                    'source_table' => 'parts_sub',
+                    'source_id' => $sub->subpart_id,
+                    'item_id' => $itemId,
+                    'created_at' => now(),
+                    'updated_at' => now(),
+                ]);
+
+                $this->idMappings[$mappingKey] = $itemId;
+            }
+
+            $bar->advance();
+        }
+
+        $bar->finish();
+        $this->newLine();
+        $this->info("Parts_sub migration completed");
+    }
+
+    /**
+     * BDmodels → items (PT) + savejson → items (RM) + 관계
+     */
+    private function migrateBDModels(int $tenantId, bool $dryRun): void
+    {
+        $this->info("Migrating BDmodels → items (PT + RM with BOM)...");
+
+        $bdmodels = DB::connection('chandj')->table('BDmodels')
+            ->where('is_deleted', 0)
+            ->get();
+
+        $this->line("Found {$bdmodels->count()} BDmodels");
+
+        $bar = $this->output->createProgressBar($bdmodels->count());
+        $bar->start();
+
+        $bomCount = 0;
+
+        foreach ($bdmodels as $bd) {
+            $mappingKey = "BDmodels:{$bd->num}";
+
+            // 이미 마이그레이션된 경우 스킵
+            if (isset($this->idMappings[$mappingKey])) {
+                $bar->advance();
+                continue;
+            }
+
+            // BDmodels → items (PT: 부품)
+            $code = $this->generateCode('BD', $bd->seconditem ?: $bd->model_name ?: "BD{$bd->num}");
+
+            $itemData = [
+                'tenant_id' => $tenantId,
+                'item_type' => 'PT',
+                'code' => $code,
+                'name' => $bd->seconditem ?: $bd->model_name ?: "(이름없음)",
+                'unit' => 'EA',
+                'description' => $bd->description,
+                'attributes' => json_encode([
+                    'model_name' => $bd->model_name,
+                    'major_category' => $bd->major_category,
+                    'spec' => $bd->spec,
+                    'finishing_type' => $bd->finishing_type,
+                    'check_type' => $bd->check_type,
+                    'exit_direction' => $bd->exit_direction,
+                    'unit_price' => $this->parseNumber($bd->unitprice),
+                    'price_date' => $bd->priceDate,
+                    'source' => '5130',
+                    'source_table' => 'BDmodels',
+                    'source_id' => $bd->num,
+                ]),
+                'is_active' => 1,
+                'created_at' => $bd->created_at ?? now(),
+                'updated_at' => $bd->updated_at ?? now(),
+            ];
+
+            $parentItemId = null;
+
+            if (!$dryRun) {
+                $parentItemId = DB::connection('mysql')->table('items')->insertGetId($itemData);
+
+                DB::connection('mysql')->table('item_id_mappings')->insert([
+                    'source_table' => 'BDmodels',
+                    'source_id' => $bd->num,
+                    'item_id' => $parentItemId,
+                    'created_at' => now(),
+                    'updated_at' => now(),
+                ]);
+
+                $this->idMappings[$mappingKey] = $parentItemId;
+            }
+
+            // savejson → 자식 items (RM: 원자재) + 관계
+            if (!empty($bd->savejson)) {
+                $bomItems = json_decode($bd->savejson, true);
+
+                if (is_array($bomItems)) {
+                    $orderNo = 0;
+                    foreach ($bomItems as $bomItem) {
+                        $orderNo++;
+                        $childMappingKey = "BDmodels_bom:{$bd->num}:{$orderNo}";
+
+                        if (isset($this->idMappings[$childMappingKey])) {
+                            continue;
+                        }
+
+                        // col1: 품명, col2: 재질, col3: 여유, col4: 전개, col5: 합계
+                        // col6: 단가, col7: 금액, col8: 수량, col9: 총액, col10: 비고
+                        $childName = $bomItem['col1'] ?? "(BOM항목)";
+                        $childCode = $this->generateCode('RM', $childName . "_" . $bd->num . "_" . $orderNo);
+
+                        $childData = [
+                            'tenant_id' => $tenantId,
+                            'item_type' => 'RM',
+                            'code' => $childCode,
+                            'name' => $childName,
+                            'unit' => 'EA',
+                            'description' => $bomItem['col10'] ?? null,
+                            'attributes' => json_encode([
+                                'material' => $bomItem['col2'] ?? null,
+                                'margin' => $this->parseNumber($bomItem['col3'] ?? null),
+                                'unfold' => $this->parseNumber($bomItem['col4'] ?? null),
+                                'total_length' => $this->parseNumber($bomItem['col5'] ?? null),
+                                'unit_price' => $this->parseNumber($bomItem['col6'] ?? null),
+                                'amount' => $this->parseNumber($bomItem['col7'] ?? null),
+                                'quantity' => $this->parseNumber($bomItem['col8'] ?? null),
+                                'line_total' => $this->parseNumber($bomItem['col9'] ?? null),
+                                'source' => '5130',
+                                'source_table' => 'BDmodels_bom',
+                                'source_id' => "{$bd->num}:{$orderNo}",
+                                'parent_bdmodel_id' => $bd->num,
+                            ]),
+                            'is_active' => 1,
+                            'created_at' => now(),
+                            'updated_at' => now(),
+                        ];
+
+                        if (!$dryRun) {
+                            $childItemId = DB::connection('mysql')->table('items')->insertGetId($childData);
+
+                            // BOM 항목은 item_id_mappings에 저장하지 않음
+                            // (source_id가 bigint이라 "17:1" 같은 복합키 저장 불가)
+                            // 대신 attributes에 source 정보가 있고 entity_relationships로 관계 추적
+
+                            $this->idMappings[$childMappingKey] = $childItemId;
+
+                            // 관계 생성 (BDmodel → BOM item)
+                            if ($parentItemId) {
+                                DB::connection('mysql')->table('entity_relationships')->insert([
+                                    'tenant_id' => $tenantId,
+                                    'group_id' => 1,
+                                    'parent_type' => 'items',
+                                    'parent_id' => $parentItemId,
+                                    'child_type' => 'items',
+                                    'child_id' => $childItemId,
+                                    'order_no' => $orderNo,
+                                    'metadata' => json_encode([
+                                        'quantity' => $this->parseNumber($bomItem['col8'] ?? '1'),
+                                        'relation' => 'bom',
+                                        'source' => '5130',
+                                    ]),
+                                    'created_at' => now(),
+                                    'updated_at' => now(),
+                                ]);
+                            }
+
+                            $bomCount++;
+                        }
+                    }
+                }
+            }
+
+            $bar->advance();
+        }
+
+        $bar->finish();
+        $this->newLine();
+        $this->info("BDmodels migration completed (BOM items: {$bomCount})");
+    }
+
+    /**
+     * 관계 마이그레이션 (entity_relationships)
+     */
+    private function migrateRelations(int $tenantId, bool $dryRun): void
+    {
+        $this->info("Migrating relations → entity_relationships...");
+
+        // 1. models ↔ parts 관계
+        $this->info("  → models ↔ parts relations...");
+        $parts = DB::connection('chandj')->table('parts')
+            ->where('is_deleted', 0)
+            ->get();
+
+        $relCount = 0;
+        foreach ($parts as $part) {
+            $parentKey = "models:{$part->model_id}";
+            $childKey = "parts:{$part->part_id}";
+
+            if (!isset($this->idMappings[$parentKey]) || !isset($this->idMappings[$childKey])) {
+                continue;
+            }
+
+            $exists = DB::connection('mysql')->table('entity_relationships')
+                ->where('tenant_id', $tenantId)
+                ->where('parent_type', 'items')
+                ->where('parent_id', $this->idMappings[$parentKey])
+                ->where('child_type', 'items')
+                ->where('child_id', $this->idMappings[$childKey])
+                ->exists();
+
+            if (!$exists && !$dryRun) {
+                DB::connection('mysql')->table('entity_relationships')->insert([
+                    'tenant_id' => $tenantId,
+                    'group_id' => 1,
+                    'parent_type' => 'items',
+                    'parent_id' => $this->idMappings[$parentKey],
+                    'child_type' => 'items',
+                    'child_id' => $this->idMappings[$childKey],
+                    'order_no' => $part->part_id,
+                    'metadata' => json_encode([
+                        'quantity' => $part->quantity,
+                        'relation' => 'bom',
+                        'source' => '5130',
+                    ]),
+                    'created_at' => now(),
+                    'updated_at' => now(),
+                ]);
+                $relCount++;
+            }
+        }
+        $this->line("    Created {$relCount} model-part relations");
+
+        // 2. parts ↔ parts_sub 관계
+        $this->info("  → parts ↔ parts_sub relations...");
+        $partsSub = DB::connection('chandj')->table('parts_sub')
+            ->where('is_deleted', 0)
+            ->get();
+
+        $relCount = 0;
+        foreach ($partsSub as $sub) {
+            $parentKey = "parts:{$sub->part_id}";
+            $childKey = "parts_sub:{$sub->subpart_id}";
+
+            if (!isset($this->idMappings[$parentKey]) || !isset($this->idMappings[$childKey])) {
+                continue;
+            }
+
+            $exists = DB::connection('mysql')->table('entity_relationships')
+                ->where('tenant_id', $tenantId)
+                ->where('parent_type', 'items')
+                ->where('parent_id', $this->idMappings[$parentKey])
+                ->where('child_type', 'items')
+                ->where('child_id', $this->idMappings[$childKey])
+                ->exists();
+
+            if (!$exists && !$dryRun) {
+                DB::connection('mysql')->table('entity_relationships')->insert([
+                    'tenant_id' => $tenantId,
+                    'group_id' => 1,
+                    'parent_type' => 'items',
+                    'parent_id' => $this->idMappings[$parentKey],
+                    'child_type' => 'items',
+                    'child_id' => $this->idMappings[$childKey],
+                    'order_no' => $sub->subpart_id,
+                    'metadata' => json_encode([
+                        'quantity' => $sub->quantity,
+                        'relation' => 'bom',
+                        'source' => '5130',
+                    ]),
+                    'created_at' => now(),
+                    'updated_at' => now(),
+                ]);
+                $relCount++;
+            }
+        }
+        $this->line("    Created {$relCount} part-subpart relations");
+
+        $this->info("Relations migration completed");
+    }
+
+    /**
+     * 롤백 (source=5130 데이터 삭제)
+     */
+    private function rollbackMigration(int $tenantId, bool $dryRun): int
+    {
+        $this->warn("=== 롤백 모드 ===");
+
+        if (!$this->confirm('5130에서 마이그레이션된 모든 데이터를 삭제하시겠습니까?')) {
+            $this->info('롤백 취소됨');
+            return self::SUCCESS;
+        }
+
+        // 1. entity_relationships 삭제
+        $relCount = DB::connection('mysql')->table('entity_relationships')
+            ->where('tenant_id', $tenantId)
+            ->whereRaw("JSON_EXTRACT(metadata, '$.source') = '5130'")
+            ->count();
+
+        if (!$dryRun) {
+            DB::connection('mysql')->table('entity_relationships')
+                ->where('tenant_id', $tenantId)
+                ->whereRaw("JSON_EXTRACT(metadata, '$.source') = '5130'")
+                ->delete();
+        }
+        $this->line("Deleted {$relCount} entity_relationships");
+
+        // 2. items 삭제 (매핑 기반)
+        $mappings = DB::connection('mysql')->table('item_id_mappings')->get();
+        $itemIds = $mappings->pluck('item_id')->toArray();
+
+        if (!$dryRun && !empty($itemIds)) {
+            DB::connection('mysql')->table('items')
+                ->whereIn('id', $itemIds)
+                ->delete();
+        }
+        $this->line("Deleted " . count($itemIds) . " items");
+
+        // 3. item_id_mappings 삭제
+        if (!$dryRun) {
+            DB::connection('mysql')->table('item_id_mappings')->truncate();
+        }
+        $this->line("Cleared item_id_mappings");
+
+        $this->info("롤백 완료");
+        return self::SUCCESS;
+    }
+
+    /**
+     * 코드 생성
+     */
+    private function generateCode(string $prefix, ?string $name): string
+    {
+        if (empty($name)) {
+            return $prefix . '-' . Str::random(8);
+        }
+
+        // 한글은 유지, 특수문자 제거, 공백→언더스코어
+        $code = preg_replace('/[^\p{L}\p{N}\s]/u', '', $name);
+        $code = preg_replace('/\s+/', '_', trim($code));
+        $code = Str::upper($code);
+
+        return $prefix . '-' . Str::limit($code, 50, '');
+    }
+
+    /**
+     * 숫자 파싱 (varchar → decimal)
+     */
+    private function parseNumber(?string $value): ?float
+    {
+        if (empty($value)) {
+            return null;
+        }
+
+        $cleaned = preg_replace('/[^\d.-]/', '', $value);
+        return is_numeric($cleaned) ? (float) $cleaned : null;
+    }
+
+    /**
+     * 요약 출력
+     */
+    private function showSummary(): void
+    {
+        $this->newLine();
+        $this->table(
+            ['Source Table', 'Migrated Count'],
+            [
+                ['models', count(array_filter(array_keys($this->idMappings), fn($k) => str_starts_with($k, 'models:')))],
+                ['parts', count(array_filter(array_keys($this->idMappings), fn($k) => str_starts_with($k, 'parts:') && !str_starts_with($k, 'parts_sub:')))],
+                ['parts_sub', count(array_filter(array_keys($this->idMappings), fn($k) => str_starts_with($k, 'parts_sub:')))],
+                ['BDmodels', count(array_filter(array_keys($this->idMappings), fn($k) => str_starts_with($k, 'BDmodels:') && !str_starts_with($k, 'BDmodels_bom:')))],
+                ['BDmodels_bom', count(array_filter(array_keys($this->idMappings), fn($k) => str_starts_with($k, 'BDmodels_bom:')))],
+            ]
+        );
+    }
+}
diff --git a/config/database.php b/config/database.php
index 8910562..0059456 100644
--- a/config/database.php
+++ b/config/database.php
@@ -62,6 +62,23 @@
             ]) : [],
         ],
 
+        // 5130 레거시 DB (chandj)
+        'chandj' => [
+            'driver' => 'mysql',
+            'host' => env('CHANDJ_DB_HOST', env('DB_HOST', '127.0.0.1')),
+            'port' => env('CHANDJ_DB_PORT', env('DB_PORT', '3306')),
+            'database' => env('CHANDJ_DB_DATABASE', 'chandj'),
+            'username' => env('CHANDJ_DB_USERNAME', env('DB_USERNAME', 'root')),
+            'password' => env('CHANDJ_DB_PASSWORD', env('DB_PASSWORD', '')),
+            'unix_socket' => env('DB_SOCKET', ''),
+            'charset' => 'utf8mb4',
+            'collation' => 'utf8mb4_unicode_ci',
+            'prefix' => '',
+            'prefix_indexes' => true,
+            'strict' => false,
+            'engine' => null,
+        ],
+
         'mariadb' => [
             'driver' => 'mariadb',
             'url' => env('DB_URL'),