feat: [demo] MNG 데모 체험 관리 페이지 추가

- DemoTenantController: CRUD + 연장/전환/삭제
- Blade 뷰: index, demo-list, create-modal, show-modal
- 라우트: sales/demo-tenants 그룹 등록
- 메뉴: 영업관리 하위에 '데모 체험 관리' 추가

app/Http/Controllers/Sales/DemoTenantController.php

@@ -0,0 +1,323 @@
+<?php
+
+namespace App\Http\Controllers\Sales;
+
+use App\Http\Controllers\Controller;
+use App\Models\Sales\SalesPartner;
+use App\Models\Tenants\Tenant;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
+use Illuminate\View\View;
+
+/**
+ * 데모 체험 관리 컨트롤러
+ *
+ * 영업파트너가 고객에게 SAM을 체험시키기 위한 데모 테넌트 관리
+ * - 고객 체험 테넌트 생성 (Tier 3)
+ * - 목록/상세 조회
+ * - 기간 연장, 정식 전환
+ *
+ * @see docs/features/sales/demo-tenant-policy.md
+ */
+class DemoTenantController extends Controller
+{
+    private const DEMO_TYPES = ['DEMO_SHOWCASE', 'DEMO_PARTNER', 'DEMO_TRIAL'];
+
+    private const DEFAULT_LIMITS = [
+        'max_items' => 100,
+        'max_orders' => 50,
+        'max_productions' => 30,
+        'max_users' => 5,
+        'max_storage_gb' => 1,
+        'max_ai_tokens' => 100000,
+    ];
+
+    /**
+     * 데모 체험 관리 메인 화면
+     */
+    public function index(Request $request): View
+    {
+        if ($request->header('HX-Request') && ! $request->header('HX-Boosted')) {
+            return response('', 200)->header('HX-Redirect', route('sales.demo-tenants.index'));
+        }
+
+        $partner = SalesPartner::where('user_id', auth()->id())->first();
+        $isAdmin = auth()->user()->isHqAdmin ?? false;
+
+        $query = Tenant::withoutGlobalScopes()
+            ->whereIn('tenant_type', self::DEMO_TYPES);
+
+        if (! $isAdmin && $partner) {
+            $query->where('demo_source_partner_id', $partner->id);
+        }
+
+        $demos = $query->orderByDesc('created_at')->get()->map(function ($t) {
+            $t->demo_status = $this->getDemoStatus($t);
+            $t->remaining_days = $this->getRemainingDays($t->demo_expires_at);
+            $t->parsed_options = $t->options ?? [];
+
+            return $t;
+        });
+
+        $stats = [
+            'total' => $demos->count(),
+            'active' => $demos->where('demo_status', 'active')->count(),
+            'expired' => $demos->where('demo_status', 'expired')->count(),
+            'converted' => $demos->where('demo_status', 'converted')->count(),
+            'expiring_soon' => $demos->filter(fn ($d) => $d->demo_status === 'active' && $d->remaining_days !== null && $d->remaining_days <= 7)->count(),
+        ];
+
+        return view('sales.demo-tenants.index', compact('demos', 'stats', 'partner', 'isAdmin'));
+    }
+
+    /**
+     * 목록 부분 새로고침 (HTMX)
+     */
+    public function refreshList(Request $request): View
+    {
+        $partner = SalesPartner::where('user_id', auth()->id())->first();
+        $isAdmin = auth()->user()->isHqAdmin ?? false;
+
+        $query = Tenant::withoutGlobalScopes()
+            ->whereIn('tenant_type', self::DEMO_TYPES);
+
+        if (! $isAdmin && $partner) {
+            $query->where('demo_source_partner_id', $partner->id);
+        }
+
+        $demos = $query->orderByDesc('created_at')->get()->map(function ($t) {
+            $t->demo_status = $this->getDemoStatus($t);
+            $t->remaining_days = $this->getRemainingDays($t->demo_expires_at);
+            $t->parsed_options = $t->options ?? [];
+
+            return $t;
+        });
+
+        $stats = [
+            'total' => $demos->count(),
+            'active' => $demos->where('demo_status', 'active')->count(),
+            'expired' => $demos->where('demo_status', 'expired')->count(),
+            'converted' => $demos->where('demo_status', 'converted')->count(),
+            'expiring_soon' => $demos->filter(fn ($d) => $d->demo_status === 'active' && $d->remaining_days !== null && $d->remaining_days <= 7)->count(),
+        ];
+
+        return view('sales.demo-tenants.partials.demo-list', compact('demos', 'stats'));
+    }
+
+    /**
+     * 상세 조회 모달 (HTMX)
+     */
+    public function show(int $id): View
+    {
+        $tenant = $this->findAndAuthorize($id);
+        $tenant->demo_status = $this->getDemoStatus($tenant);
+        $tenant->remaining_days = $this->getRemainingDays($tenant->demo_expires_at);
+        $tenant->parsed_options = $tenant->options ?? [];
+
+        // 데이터 건수 조회
+        $dataCounts = [];
+        foreach (['clients' => '거래처', 'items' => '품목', 'orders' => '수주', 'quotes' => '견적'] as $table => $label) {
+            try {
+                $dataCounts[$table] = ['label' => $label, 'count' => DB::table($table)->where('tenant_id', $id)->count()];
+            } catch (\Exception $e) {
+                $dataCounts[$table] = ['label' => $label, 'count' => 0];
+            }
+        }
+
+        return view('sales.demo-tenants.partials.show-modal', compact('tenant', 'dataCounts'));
+    }
+
+    /**
+     * 생성 폼 모달 (HTMX)
+     */
+    public function createForm(): View
+    {
+        return view('sales.demo-tenants.partials.create-modal');
+    }
+
+    /**
+     * 고객 체험 테넌트 생성
+     */
+    public function store(Request $request)
+    {
+        $request->validate([
+            'company_name' => 'required|string|max:200',
+            'email' => 'nullable|email|max:100',
+            'duration_days' => 'required|integer|min:7|max:60',
+            'preset' => 'nullable|string|in:manufacturing,none',
+        ]);
+
+        $partner = SalesPartner::where('user_id', auth()->id())->first();
+        $preset = $request->input('preset', 'manufacturing');
+
+        $options = [
+            'demo_preset' => $preset === 'none' ? null : $preset,
+            'demo_limits' => self::DEFAULT_LIMITS,
+            'demo_email' => $request->input('email'),
+            'created_by_user_id' => auth()->id(),
+            'created_by_user_name' => auth()->user()->name ?? '',
+        ];
+
+        $tenant = new Tenant;
+        $tenant->forceFill([
+            'company_name' => $request->input('company_name'),
+            'tenant_type' => 'DEMO_TRIAL',
+            'tenant_st_code' => 'trial',
+            'demo_expires_at' => now()->addDays($request->input('duration_days', 30)),
+            'demo_source_partner_id' => $partner?->id,
+            'options' => $options,
+            'is_active' => true,
+            'storage_limit' => 1073741824,
+            'storage_used' => 0,
+        ]);
+        $tenant->save();
+
+        if ($request->header('HX-Request')) {
+            return response('', 200)
+                ->header('HX-Trigger', json_encode(['showToast' => '데모 체험 테넌트가 생성되었습니다.', 'refreshDemoList' => true]));
+        }
+
+        return redirect()->route('sales.demo-tenants.index')->with('success', '데모 체험 테넌트가 생성되었습니다.');
+    }
+
+    /**
+     * 체험 기간 연장
+     */
+    public function extend(Request $request, int $id)
+    {
+        $tenant = $this->findAndAuthorize($id);
+
+        if ($tenant->tenant_type !== 'DEMO_TRIAL') {
+            return $this->htmxError('고객 체험 유형만 연장 가능합니다.');
+        }
+
+        $opts = $tenant->options ?? [];
+        if (! empty($opts['demo_extended'])) {
+            return $this->htmxError('이미 연장된 체험입니다. 연장은 1회만 가능합니다.');
+        }
+
+        $days = $request->input('days', 14);
+        $opts['demo_extended'] = true;
+        $opts['demo_extended_at'] = now()->toDateTimeString();
+        $opts['demo_extended_days'] = $days;
+
+        $tenant->forceFill([
+            'demo_expires_at' => $tenant->demo_expires_at
+                ? $tenant->demo_expires_at->addDays($days)
+                : now()->addDays($days),
+            'options' => $opts,
+            'tenant_st_code' => 'trial',
+        ]);
+        $tenant->save();
+
+        return response('', 200)
+            ->header('HX-Trigger', json_encode(['showToast' => "{$days}일 연장되었습니다.", 'refreshDemoList' => true, 'closeModal' => true]));
+    }
+
+    /**
+     * 정식 전환
+     */
+    public function convert(int $id)
+    {
+        $tenant = $this->findAndAuthorize($id);
+
+        if (! in_array($tenant->tenant_type, self::DEMO_TYPES)) {
+            return $this->htmxError('데모 테넌트가 아닙니다.');
+        }
+
+        $opts = $tenant->options ?? [];
+        unset($opts['demo_preset'], $opts['demo_limits'], $opts['demo_read_only']);
+        $opts['converted_at'] = now()->toDateTimeString();
+        $opts['converted_by_user_id'] = auth()->id();
+
+        $tenant->forceFill([
+            'tenant_type' => 'STD',
+            'tenant_st_code' => 'active',
+            'demo_expires_at' => null,
+            'options' => $opts,
+        ]);
+        $tenant->save();
+
+        return response('', 200)
+            ->header('HX-Trigger', json_encode(['showToast' => '정식 테넌트로 전환되었습니다.', 'refreshDemoList' => true, 'closeModal' => true]));
+    }
+
+    /**
+     * 데모 테넌트 삭제
+     */
+    public function destroy(int $id)
+    {
+        $tenant = $this->findAndAuthorize($id);
+
+        if (! in_array($tenant->tenant_type, self::DEMO_TYPES)) {
+            return $this->htmxError('데모 테넌트만 삭제 가능합니다.');
+        }
+
+        // 데이터 존재 확인
+        foreach (['orders', 'clients', 'items'] as $table) {
+            try {
+                if (DB::table($table)->where('tenant_id', $id)->exists()) {
+                    return $this->htmxError('데이터가 존재하는 테넌트는 삭제할 수 없습니다.');
+                }
+            } catch (\Exception $e) {
+            }
+        }
+
+        $tenant->forceDelete();
+
+        return response('', 200)
+            ->header('HX-Trigger', json_encode(['showToast' => '데모 테넌트가 삭제되었습니다.', 'refreshDemoList' => true, 'closeModal' => true]));
+    }
+
+    // ── helpers ──
+
+    private function findAndAuthorize(int $id): Tenant
+    {
+        $tenant = Tenant::withoutGlobalScopes()
+            ->whereIn('tenant_type', self::DEMO_TYPES)
+            ->findOrFail($id);
+
+        $isAdmin = auth()->user()->isHqAdmin ?? false;
+        if (! $isAdmin) {
+            $partner = SalesPartner::where('user_id', auth()->id())->first();
+            if (! $partner || $tenant->demo_source_partner_id !== $partner->id) {
+                abort(403, '권한이 없습니다.');
+            }
+        }
+
+        return $tenant;
+    }
+
+    private function getDemoStatus(Tenant $tenant): string
+    {
+        if ($tenant->tenant_type === 'DEMO_SHOWCASE') {
+            return 'showcase';
+        }
+        if ($tenant->tenant_st_code === 'converted' || $tenant->tenant_type === 'STD') {
+            return 'converted';
+        }
+        if ($tenant->tenant_st_code === 'expired') {
+            return 'expired';
+        }
+        if ($tenant->demo_expires_at && $tenant->demo_expires_at->isPast()) {
+            return 'expired';
+        }
+
+        return 'active';
+    }
+
+    private function getRemainingDays($expiresAt): ?int
+    {
+        if (! $expiresAt) {
+            return null;
+        }
+
+        return max(0, (int) now()->diffInDays($expiresAt, false));
+    }
+
+    private function htmxError(string $message)
+    {
+        return response('', 200)
+            ->header('HX-Trigger', json_encode(['showToast' => $message, 'toastType' => 'error']));
+    }
+}

resources/views/sales/demo-tenants/index.blade.php

@@ -0,0 +1,136 @@
+@extends('layouts.app')
+
+@section('title', '데모 체험 관리')
+
+@push('styles')
+<style>
+    .refresh-btn [data-refresh-spin] { display: none; }
+    .refresh-btn [data-refresh-icon] { display: inline-block; }
+    .refresh-btn.htmx-request [data-refresh-spin] { display: inline-block; }
+    .refresh-btn.htmx-request [data-refresh-icon] { display: none; }
+</style>
+@endpush
+
+@section('content')
+<div class="space-y-6">
+    <!-- 페이지 헤더 -->
+    <div class="flex justify-between items-center">
+        <div>
+            <h1 class="text-2xl font-bold text-gray-800">데모 체험 관리</h1>
+            <p class="text-sm text-gray-500 mt-1">고객에게 SAM을 체험시키기 위한 데모 테넌트를 관리합니다</p>
+        </div>
+        <div class="flex items-center gap-2">
+            <button type="button"
+                hx-get="{{ route('sales.demo-tenants.create') }}"
+                hx-target="#modal-container"
+                hx-swap="innerHTML"
+                class="inline-flex items-center gap-1.5 px-4 py-2 text-sm font-medium text-white bg-blue-600 hover:bg-blue-700 rounded-lg transition-colors shadow-sm">
+                <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4" />
+                </svg>
+                체험 생성
+            </button>
+            <button type="button"
+                hx-get="{{ route('sales.demo-tenants.refresh') }}"
+                hx-target="#demo-list-container"
+                hx-swap="innerHTML"
+                class="refresh-btn inline-flex items-center gap-1.5 px-3 py-2 text-sm text-gray-600 hover:text-blue-600 bg-white hover:bg-blue-50 border border-gray-300 rounded-lg transition-colors shadow-sm">
+                <svg data-refresh-spin class="w-4 h-4 animate-spin" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15" />
+                </svg>
+                <svg data-refresh-icon class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15" />
+                </svg>
+            </button>
+        </div>
+    </div>
+
+    <!-- 통계 카드 -->
+    <div class="grid grid-cols-2 md:grid-cols-5 gap-4">
+        <div class="bg-white rounded-lg border border-gray-200 p-4">
+            <p class="text-sm text-gray-500">전체</p>
+            <p class="text-2xl font-bold text-gray-800">{{ $stats['total'] }}</p>
+        </div>
+        <div class="bg-white rounded-lg border border-green-200 p-4">
+            <p class="text-sm text-green-600">활성</p>
+            <p class="text-2xl font-bold text-green-700">{{ $stats['active'] }}</p>
+        </div>
+        <div class="bg-white rounded-lg border border-red-200 p-4">
+            <p class="text-sm text-red-600">만료</p>
+            <p class="text-2xl font-bold text-red-700">{{ $stats['expired'] }}</p>
+        </div>
+        <div class="bg-white rounded-lg border border-blue-200 p-4">
+            <p class="text-sm text-blue-600">전환 완료</p>
+            <p class="text-2xl font-bold text-blue-700">{{ $stats['converted'] }}</p>
+        </div>
+        <div class="bg-white rounded-lg border border-amber-200 p-4">
+            <p class="text-sm text-amber-600">곧 만료</p>
+            <p class="text-2xl font-bold text-amber-700">{{ $stats['expiring_soon'] }}</p>
+        </div>
+    </div>
+
+    <!-- 데모 목록 -->
+    <div id="demo-list-container">
+        @include('sales.demo-tenants.partials.demo-list')
+    </div>
+</div>
+
+<!-- 모달 컨테이너 -->
+<div id="modal-container"></div>
+@endsection
+
+@push('scripts')
+<script>
+// HTMX 이벤트 리스너
+document.body.addEventListener('refreshDemoList', function() {
+    htmx.ajax('GET', '{{ route('sales.demo-tenants.refresh') }}', {target: '#demo-list-container', swap: 'innerHTML'});
+});
+
+document.body.addEventListener('closeModal', function() {
+    closeModal();
+});
+
+document.body.addEventListener('showToast', function(e) {
+    const msg = typeof e.detail === 'string' ? e.detail : (e.detail?.value || '');
+    if (msg) showToast(msg);
+});
+
+function showDetailModal(id) {
+    const modal = document.getElementById('modal-container');
+    htmx.ajax('GET', `/sales/demo-tenants/${id}`, {target: '#modal-container', swap: 'innerHTML'});
+}
+
+function closeModal() {
+    document.getElementById('modal-container').innerHTML = '';
+    document.body.style.overflow = '';
+}
+
+function showToast(message, type) {
+    const toast = document.createElement('div');
+    const isError = type === 'error';
+    toast.className = `fixed top-4 right-4 z-[100] px-4 py-3 rounded-lg shadow-lg text-white text-sm font-medium transition-all transform ${isError ? 'bg-red-600' : 'bg-emerald-600'}`;
+    toast.textContent = message;
+    document.body.appendChild(toast);
+    setTimeout(() => { toast.style.opacity = '0'; setTimeout(() => toast.remove(), 300); }, 3000);
+}
+
+// HX-Trigger 이벤트 파싱
+document.body.addEventListener('htmx:afterRequest', function(e) {
+    const trigger = e.detail.xhr?.getResponseHeader('HX-Trigger');
+    if (trigger) {
+        try {
+            const data = JSON.parse(trigger);
+            if (data.showToast) showToast(data.showToast, data.toastType);
+            if (data.refreshDemoList) {
+                htmx.ajax('GET', '{{ route('sales.demo-tenants.refresh') }}', {target: '#demo-list-container', swap: 'innerHTML'});
+            }
+            if (data.closeModal) closeModal();
+        } catch(ex) {}
+    }
+});
+
+document.addEventListener('keydown', function(e) {
+    if (e.key === 'Escape') closeModal();
+});
+</script>
+@endpush

resources/views/sales/demo-tenants/partials/create-modal.blade.php

@@ -0,0 +1,96 @@
+{{-- 데모 체험 생성 모달 --}}
+<div class="fixed inset-0 z-50 overflow-y-auto" x-data="{ submitting: false }">
+    <div class="fixed inset-0 bg-black bg-opacity-50 transition-opacity" onclick="closeModal()"></div>
+    <div class="flex min-h-full items-center justify-center p-4">
+        <div class="relative bg-white rounded-xl shadow-2xl w-full max-w-lg" @click.stop>
+            <!-- 헤더 -->
+            <div class="flex items-center justify-between px-6 py-4 border-b border-gray-200">
+                <h2 class="text-lg font-bold text-gray-900">고객 체험 테넌트 생성</h2>
+                <button type="button" onclick="closeModal()" class="text-gray-400 hover:text-gray-600">
+                    <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
+                    </svg>
+                </button>
+            </div>
+
+            <!-- 폼 -->
+            <form hx-post="{{ route('sales.demo-tenants.store') }}"
+                  hx-swap="none"
+                  @htmx:before-request="submitting = true"
+                  @htmx:after-request="submitting = false"
+                  class="px-6 py-5 space-y-5">
+                @csrf
+
+                <!-- 회사명 -->
+                <div>
+                    <label class="block text-sm font-medium text-gray-700 mb-1">
+                        회사명 <span class="text-red-500">*</span>
+                    </label>
+                    <input type="text" name="company_name" required maxlength="200"
+                        class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
+                        placeholder="예: 테스트제조(주)">
+                </div>
+
+                <!-- 이메일 -->
+                <div>
+                    <label class="block text-sm font-medium text-gray-700 mb-1">담당자 이메일</label>
+                    <input type="email" name="email" maxlength="100"
+                        class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
+                        placeholder="예: demo@company.com">
+                    <p class="text-xs text-gray-400 mt-1">체험 안내 메일 발송용 (선택)</p>
+                </div>
+
+                <!-- 체험 기간 -->
+                <div>
+                    <label class="block text-sm font-medium text-gray-700 mb-1">
+                        체험 기간 <span class="text-red-500">*</span>
+                    </label>
+                    <div class="flex items-center gap-3">
+                        <select name="duration_days"
+                            class="px-3 py-2 border border-gray-300 rounded-lg text-sm focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
+                            <option value="14">14일</option>
+                            <option value="30" selected>30일</option>
+                            <option value="45">45일</option>
+                            <option value="60">60일</option>
+                        </select>
+                        <span class="text-sm text-gray-500">최소 7일 ~ 최대 60일</span>
+                    </div>
+                </div>
+
+                <!-- 프리셋 -->
+                <div>
+                    <label class="block text-sm font-medium text-gray-700 mb-1">데이터 프리셋</label>
+                    <select name="preset"
+                        class="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
+                        <option value="manufacturing">제조업 샘플 데이터</option>
+                        <option value="none">빈 테넌트 (데이터 없음)</option>
+                    </select>
+                    <p class="text-xs text-gray-400 mt-1">제조업 프리셋: 거래처, 품목, 수주, 생산 샘플 데이터가 자동 생성됩니다</p>
+                </div>
+
+                <!-- 안내 -->
+                <div class="bg-blue-50 rounded-lg p-3">
+                    <p class="text-xs text-blue-700">
+                        <span class="font-semibold">안내:</span>
+                        고객 체험 테넌트는 Tier 3 (DEMO_TRIAL)로 생성되며,
+                        체험 기간 종료 후 자동으로 읽기 전용 모드로 전환됩니다.
+                        기간 연장은 1회(최대 30일) 가능합니다.
+                    </p>
+                </div>
+
+                <!-- 버튼 -->
+                <div class="flex justify-end gap-3 pt-2">
+                    <button type="button" onclick="closeModal()"
+                        class="px-4 py-2 text-sm font-medium text-gray-700 bg-gray-100 hover:bg-gray-200 rounded-lg transition">
+                        취소
+                    </button>
+                    <button type="submit" :disabled="submitting"
+                        class="px-4 py-2 text-sm font-medium text-white bg-blue-600 hover:bg-blue-700 rounded-lg transition disabled:opacity-50">
+                        <span x-show="!submitting">생성</span>
+                        <span x-show="submitting" x-cloak>생성 중...</span>
+                    </button>
+                </div>
+            </form>
+        </div>
+    </div>
+</div>

resources/views/sales/demo-tenants/partials/demo-list.blade.php

@@ -0,0 +1,90 @@
+{{-- 데모 테넌트 목록 (HTMX 새로고침 대상) --}}
+<div class="bg-white rounded-lg border border-gray-200 overflow-hidden">
+    @if($demos->isEmpty())
+        <div class="p-12 text-center">
+            <svg class="w-12 h-12 text-gray-300 mx-auto mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.5" d="M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10" />
+            </svg>
+            <p class="text-gray-500">등록된 데모 테넌트가 없습니다.</p>
+            <p class="text-sm text-gray-400 mt-1">상단의 '체험 생성' 버튼으로 새 데모를 만들어보세요.</p>
+        </div>
+    @else
+        <div class="overflow-x-auto">
+            <table class="w-full text-sm">
+                <thead class="bg-gray-50 border-b border-gray-200">
+                    <tr>
+                        <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase">회사명</th>
+                        <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase">유형</th>
+                        <th class="px-4 py-3 text-center text-xs font-medium text-gray-500 uppercase">상태</th>
+                        <th class="px-4 py-3 text-center text-xs font-medium text-gray-500 uppercase">남은 일수</th>
+                        <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase">만료일</th>
+                        <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase">생성일</th>
+                        <th class="px-4 py-3 text-center text-xs font-medium text-gray-500 uppercase">작업</th>
+                    </tr>
+                </thead>
+                <tbody class="divide-y divide-gray-100">
+                    @foreach($demos as $demo)
+                    <tr class="hover:bg-gray-50 transition-colors">
+                        <td class="px-4 py-3">
+                            <button type="button" onclick="showDetailModal({{ $demo->id }})"
+                                class="text-blue-600 hover:text-blue-800 font-medium hover:underline text-left">
+                                {{ $demo->company_name }}
+                            </button>
+                        </td>
+                        <td class="px-4 py-3">
+                            @switch($demo->tenant_type)
+                                @case('DEMO_SHOWCASE')
+                                    <span class="inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-purple-100 text-purple-700">쇼케이스</span>
+                                    @break
+                                @case('DEMO_PARTNER')
+                                    <span class="inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-indigo-100 text-indigo-700">파트너</span>
+                                    @break
+                                @case('DEMO_TRIAL')
+                                    <span class="inline-flex items-center px-2 py-0.5 rounded text-xs font-medium bg-cyan-100 text-cyan-700">고객체험</span>
+                                    @break
+                            @endswitch
+                        </td>
+                        <td class="px-4 py-3 text-center">
+                            @switch($demo->demo_status)
+                                @case('active')
+                                    <span class="inline-flex items-center px-2 py-0.5 rounded-full text-xs font-medium bg-green-100 text-green-700">활성</span>
+                                    @break
+                                @case('expired')
+                                    <span class="inline-flex items-center px-2 py-0.5 rounded-full text-xs font-medium bg-red-100 text-red-700">만료</span>
+                                    @break
+                                @case('converted')
+                                    <span class="inline-flex items-center px-2 py-0.5 rounded-full text-xs font-medium bg-blue-100 text-blue-700">전환</span>
+                                    @break
+                                @case('showcase')
+                                    <span class="inline-flex items-center px-2 py-0.5 rounded-full text-xs font-medium bg-purple-100 text-purple-700">상시</span>
+                                    @break
+                            @endswitch
+                        </td>
+                        <td class="px-4 py-3 text-center">
+                            @if($demo->remaining_days !== null)
+                                <span class="font-medium {{ $demo->remaining_days <= 7 ? 'text-red-600' : ($demo->remaining_days <= 14 ? 'text-amber-600' : 'text-gray-700') }}">
+                                    {{ $demo->remaining_days }}일
+                                </span>
+                            @else
+                                <span class="text-gray-400">-</span>
+                            @endif
+                        </td>
+                        <td class="px-4 py-3 text-gray-600">
+                            {{ $demo->demo_expires_at ? $demo->demo_expires_at->format('Y-m-d') : '-' }}
+                        </td>
+                        <td class="px-4 py-3 text-gray-600">
+                            {{ $demo->created_at->format('Y-m-d') }}
+                        </td>
+                        <td class="px-4 py-3 text-center">
+                            <button type="button" onclick="showDetailModal({{ $demo->id }})"
+                                class="inline-flex items-center px-2.5 py-1 text-xs font-medium text-gray-600 hover:text-blue-600 bg-gray-100 hover:bg-blue-50 rounded transition-colors">
+                                상세
+                            </button>
+                        </td>
+                    </tr>
+                    @endforeach
+                </tbody>
+            </table>
+        </div>
+    @endif
+</div>

resources/views/sales/demo-tenants/partials/show-modal.blade.php

@@ -0,0 +1,232 @@
+{{-- 데모 테넌트 상세 모달 --}}
+<div class="fixed inset-0 z-50 overflow-y-auto">
+    <div class="fixed inset-0 bg-black bg-opacity-50 transition-opacity" onclick="closeModal()"></div>
+    <div class="flex min-h-full items-center justify-center p-4">
+        <div class="relative bg-white rounded-xl shadow-2xl w-full max-w-2xl" @click.stop>
+            <!-- 헤더 -->
+            <div class="flex items-center justify-between px-6 py-4 border-b border-gray-200">
+                <div>
+                    <h2 class="text-lg font-bold text-gray-900">{{ $tenant->company_name }}</h2>
+                    <p class="text-sm text-gray-500">ID: {{ $tenant->id }}</p>
+                </div>
+                <div class="flex items-center gap-3">
+                    @switch($tenant->demo_status)
+                        @case('active')
+                            <span class="inline-flex items-center px-2.5 py-1 rounded-full text-xs font-medium bg-green-100 text-green-700">활성</span>
+                            @break
+                        @case('expired')
+                            <span class="inline-flex items-center px-2.5 py-1 rounded-full text-xs font-medium bg-red-100 text-red-700">만료</span>
+                            @break
+                        @case('converted')
+                            <span class="inline-flex items-center px-2.5 py-1 rounded-full text-xs font-medium bg-blue-100 text-blue-700">전환 완료</span>
+                            @break
+                        @case('showcase')
+                            <span class="inline-flex items-center px-2.5 py-1 rounded-full text-xs font-medium bg-purple-100 text-purple-700">쇼케이스</span>
+                            @break
+                    @endswitch
+                    <button type="button" onclick="closeModal()" class="text-gray-400 hover:text-gray-600">
+                        <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12" />
+                        </svg>
+                    </button>
+                </div>
+            </div>
+
+            <div class="px-6 py-5 space-y-5 max-h-[70vh] overflow-y-auto">
+                <!-- 기본 정보 -->
+                <div class="grid grid-cols-2 gap-4">
+                    <div>
+                        <p class="text-xs text-gray-500">유형</p>
+                        <p class="font-medium text-sm">
+                            @switch($tenant->tenant_type)
+                                @case('DEMO_SHOWCASE') 쇼케이스 (Tier 1) @break
+                                @case('DEMO_PARTNER') 파트너 데모 (Tier 2) @break
+                                @case('DEMO_TRIAL') 고객 체험 (Tier 3) @break
+                            @endswitch
+                        </p>
+                    </div>
+                    <div>
+                        <p class="text-xs text-gray-500">만료일</p>
+                        <p class="font-medium text-sm {{ $tenant->remaining_days !== null && $tenant->remaining_days <= 7 ? 'text-red-600' : '' }}">
+                            {{ $tenant->demo_expires_at ? $tenant->demo_expires_at->format('Y-m-d H:i') : '없음 (상시)' }}
+                            @if($tenant->remaining_days !== null)
+                                <span class="text-xs text-gray-500">({{ $tenant->remaining_days }}일 남음)</span>
+                            @endif
+                        </p>
+                    </div>
+                    <div>
+                        <p class="text-xs text-gray-500">생성일</p>
+                        <p class="font-medium text-sm">{{ $tenant->created_at->format('Y-m-d H:i') }}</p>
+                    </div>
+                    <div>
+                        <p class="text-xs text-gray-500">담당자 이메일</p>
+                        <p class="font-medium text-sm">{{ $tenant->parsed_options['demo_email'] ?? '-' }}</p>
+                    </div>
+                </div>
+
+                <!-- 프리셋/제한 정보 -->
+                @if(!empty($tenant->parsed_options['demo_limits']))
+                <div class="bg-gray-50 rounded-lg p-4">
+                    <h3 class="text-sm font-semibold text-gray-700 mb-3">리소스 제한</h3>
+                    <div class="grid grid-cols-3 gap-3 text-sm">
+                        @foreach($tenant->parsed_options['demo_limits'] as $key => $val)
+                        <div class="flex justify-between">
+                            <span class="text-gray-500">{{ str_replace(['max_', '_'], ['', ' '], $key) }}</span>
+                            <span class="font-medium">{{ number_format($val) }}</span>
+                        </div>
+                        @endforeach
+                    </div>
+                </div>
+                @endif
+
+                <!-- 데이터 현황 -->
+                <div class="bg-blue-50 rounded-lg p-4">
+                    <h3 class="text-sm font-semibold text-blue-700 mb-3">데이터 현황</h3>
+                    <div class="grid grid-cols-2 gap-3">
+                        @foreach($dataCounts as $table => $info)
+                        <div class="flex justify-between bg-white rounded px-3 py-2">
+                            <span class="text-sm text-gray-600">{{ $info['label'] }}</span>
+                            <span class="text-sm font-bold {{ $info['count'] > 0 ? 'text-blue-700' : 'text-gray-400' }}">
+                                {{ number_format($info['count']) }}건
+                            </span>
+                        </div>
+                        @endforeach
+                    </div>
+                </div>
+
+                <!-- 연장 이력 -->
+                @if(!empty($tenant->parsed_options['demo_extended']))
+                <div class="bg-amber-50 rounded-lg p-4">
+                    <h3 class="text-sm font-semibold text-amber-700 mb-2">연장 이력</h3>
+                    <p class="text-sm text-amber-600">
+                        {{ $tenant->parsed_options['demo_extended_days'] ?? 14 }}일 연장됨
+                        ({{ $tenant->parsed_options['demo_extended_at'] ?? '' }})
+                    </p>
+                </div>
+                @endif
+
+                <!-- 전환 이력 -->
+                @if(!empty($tenant->parsed_options['converted_at']))
+                <div class="bg-emerald-50 rounded-lg p-4">
+                    <h3 class="text-sm font-semibold text-emerald-700 mb-2">정식 전환 완료</h3>
+                    <p class="text-sm text-emerald-600">
+                        전환일: {{ $tenant->parsed_options['converted_at'] }}
+                    </p>
+                </div>
+                @endif
+            </div>
+
+            <!-- 하단 액션 버튼 -->
+            <div class="flex justify-between items-center px-6 py-4 border-t border-gray-200">
+                <div>
+                    @if($tenant->demo_status === 'active' && $tenant->tenant_type === 'DEMO_TRIAL' && empty($tenant->parsed_options['demo_extended']))
+                    <button type="button" onclick="extendDemo({{ $tenant->id }})"
+                        class="inline-flex items-center gap-1 px-3 py-1.5 text-xs font-medium text-amber-700 bg-amber-100 hover:bg-amber-200 rounded-lg transition">
+                        <svg class="w-3.5 h-3.5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z" />
+                        </svg>
+                        기간 연장
+                    </button>
+                    @endif
+                </div>
+                <div class="flex items-center gap-2">
+                    @if(in_array($tenant->demo_status, ['active', 'expired']) && $tenant->tenant_type !== 'DEMO_SHOWCASE')
+                    <button type="button" onclick="convertDemo({{ $tenant->id }})"
+                        class="inline-flex items-center gap-1 px-3 py-1.5 text-xs font-medium text-white bg-emerald-600 hover:bg-emerald-700 rounded-lg transition">
+                        <svg class="w-3.5 h-3.5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z" />
+                        </svg>
+                        정식 전환
+                    </button>
+                    @endif
+                    @if(in_array($tenant->tenant_type, ['DEMO_SHOWCASE', 'DEMO_PARTNER', 'DEMO_TRIAL']))
+                    <button type="button" onclick="deleteDemo({{ $tenant->id }}, '{{ addslashes($tenant->company_name) }}')"
+                        class="inline-flex items-center gap-1 px-3 py-1.5 text-xs font-medium text-red-600 bg-red-50 hover:bg-red-100 rounded-lg transition">
+                        <svg class="w-3.5 h-3.5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
+                        </svg>
+                        삭제
+                    </button>
+                    @endif
+                    <button type="button" onclick="closeModal()"
+                        class="px-4 py-1.5 text-sm font-medium text-gray-600 hover:bg-gray-100 rounded-lg transition">
+                        닫기
+                    </button>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+
+<script>
+function extendDemo(id) {
+    if (!confirm('14일 연장하시겠습니까? (연장은 1회만 가능)')) return;
+    fetch(`/sales/demo-tenants/${id}/extend`, {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json',
+            'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').content,
+            'HX-Request': 'true'
+        },
+        body: JSON.stringify({ days: 14 })
+    })
+    .then(r => {
+        const trigger = r.headers.get('HX-Trigger');
+        if (trigger) {
+            try {
+                const data = JSON.parse(trigger);
+                if (data.showToast) showToast(data.showToast, data.toastType);
+                if (data.refreshDemoList) htmx.ajax('GET', '{{ route('sales.demo-tenants.refresh') }}', {target: '#demo-list-container', swap: 'innerHTML'});
+                if (data.closeModal) closeModal();
+            } catch(ex) {}
+        }
+    })
+    .catch(() => showToast('오류가 발생했습니다.', 'error'));
+}
+
+function convertDemo(id) {
+    if (!confirm('정식 테넌트로 전환하시겠습니까?\n전환 후에는 데모 제한이 해제되고 되돌릴 수 없습니다.')) return;
+    fetch(`/sales/demo-tenants/${id}/convert`, {
+        method: 'POST',
+        headers: {
+            'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').content,
+            'HX-Request': 'true'
+        }
+    })
+    .then(r => {
+        const trigger = r.headers.get('HX-Trigger');
+        if (trigger) {
+            try {
+                const data = JSON.parse(trigger);
+                if (data.showToast) showToast(data.showToast, data.toastType);
+                if (data.refreshDemoList) htmx.ajax('GET', '{{ route('sales.demo-tenants.refresh') }}', {target: '#demo-list-container', swap: 'innerHTML'});
+                if (data.closeModal) closeModal();
+            } catch(ex) {}
+        }
+    })
+    .catch(() => showToast('오류가 발생했습니다.', 'error'));
+}
+
+function deleteDemo(id, name) {
+    if (!confirm(`"${name}" 데모 테넌트를 삭제하시겠습니까?\n데이터가 있는 테넌트는 삭제할 수 없습니다.`)) return;
+    fetch(`/sales/demo-tenants/${id}`, {
+        method: 'DELETE',
+        headers: {
+            'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').content,
+            'HX-Request': 'true'
+        }
+    })
+    .then(r => {
+        const trigger = r.headers.get('HX-Trigger');
+        if (trigger) {
+            try {
+                const data = JSON.parse(trigger);
+                if (data.showToast) showToast(data.showToast, data.toastType);
+                if (data.refreshDemoList) htmx.ajax('GET', '{{ route('sales.demo-tenants.refresh') }}', {target: '#demo-list-container', swap: 'innerHTML'});
+                if (data.closeModal) closeModal();
+            } catch(ex) {}
+        }
+    })
+    .catch(() => showToast('오류가 발생했습니다.', 'error'));
+}
+</script>

routes/web.php

@@ -1669,6 +1669,18 @@
 
     // 매니저 목록/검색은 리소스 라우트 앞에 정의됨 (912줄 위치)
 
+    // 데모 체험 관리
+    Route::prefix('demo-tenants')->name('demo-tenants.')->group(function () {
+        Route::get('/', [\App\Http\Controllers\Sales\DemoTenantController::class, 'index'])->name('index');
+        Route::get('/refresh', [\App\Http\Controllers\Sales\DemoTenantController::class, 'refreshList'])->name('refresh');
+        Route::get('/create', [\App\Http\Controllers\Sales\DemoTenantController::class, 'createForm'])->name('create');
+        Route::post('/', [\App\Http\Controllers\Sales\DemoTenantController::class, 'store'])->name('store');
+        Route::get('/{id}', [\App\Http\Controllers\Sales\DemoTenantController::class, 'show'])->name('show');
+        Route::post('/{id}/extend', [\App\Http\Controllers\Sales\DemoTenantController::class, 'extend'])->name('extend');
+        Route::post('/{id}/convert', [\App\Http\Controllers\Sales\DemoTenantController::class, 'convert'])->name('convert');
+        Route::delete('/{id}', [\App\Http\Controllers\Sales\DemoTenantController::class, 'destroy'])->name('destroy');
+    });
+
     // 가격 시뮬레이터
     Route::get('price-simulator', [PriceSimulatorController::class, 'index'])->name('price-simulator.index');