feat:바로빌 카카오톡(알림톡/친구톡) 서비스 구현

- BarobillService에 KAKAOTALK SOAP 클라이언트 추가
  - 채널/템플릿 관리, 알림톡/친구톡 발송, 전송조회/예약취소 API
- BarobillKakaotalkController (API) 생성: 15개 엔드포인트
- KakaotalkController (페이지) 생성: 5개 페이지
- 라우트 등록 (web.php, api.php)
- Blade 뷰 5개 생성: 대시보드, 채널관리, 템플릿관리, 발송, 전송내역

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/Http/Controllers/Barobill/KakaotalkController.php

@@ -0,0 +1,93 @@
+<?php
+
+namespace App\Http\Controllers\Barobill;
+
+use App\Http\Controllers\Controller;
+use App\Models\Barobill\BarobillMember;
+use App\Models\Tenants\Tenant;
+use Illuminate\Http\Request;
+use Illuminate\Http\Response;
+use Illuminate\View\View;
+
+class KakaotalkController extends Controller
+{
+    /**
+     * 카카오톡 메인 (대시보드)
+     */
+    public function index(Request $request): View|Response
+    {
+        if ($request->header('HX-Request')) {
+            return response('', 200)->header('HX-Redirect', route('barobill.kakaotalk.index'));
+        }
+
+        $tenantId = session('selected_tenant_id', 1);
+        $currentTenant = Tenant::find($tenantId);
+        $barobillMember = BarobillMember::where('tenant_id', $tenantId)->first();
+
+        return view('barobill.kakaotalk.index', compact('currentTenant', 'barobillMember'));
+    }
+
+    /**
+     * 채널 관리
+     */
+    public function channels(Request $request): View|Response
+    {
+        if ($request->header('HX-Request')) {
+            return response('', 200)->header('HX-Redirect', route('barobill.kakaotalk.channels'));
+        }
+
+        $tenantId = session('selected_tenant_id', 1);
+        $currentTenant = Tenant::find($tenantId);
+        $barobillMember = BarobillMember::where('tenant_id', $tenantId)->first();
+
+        return view('barobill.kakaotalk.channels.index', compact('currentTenant', 'barobillMember'));
+    }
+
+    /**
+     * 템플릿 관리
+     */
+    public function templates(Request $request): View|Response
+    {
+        if ($request->header('HX-Request')) {
+            return response('', 200)->header('HX-Redirect', route('barobill.kakaotalk.templates'));
+        }
+
+        $tenantId = session('selected_tenant_id', 1);
+        $currentTenant = Tenant::find($tenantId);
+        $barobillMember = BarobillMember::where('tenant_id', $tenantId)->first();
+
+        return view('barobill.kakaotalk.templates.index', compact('currentTenant', 'barobillMember'));
+    }
+
+    /**
+     * 발송 (알림톡/친구톡)
+     */
+    public function send(Request $request): View|Response
+    {
+        if ($request->header('HX-Request')) {
+            return response('', 200)->header('HX-Redirect', route('barobill.kakaotalk.send'));
+        }
+
+        $tenantId = session('selected_tenant_id', 1);
+        $currentTenant = Tenant::find($tenantId);
+        $barobillMember = BarobillMember::where('tenant_id', $tenantId)->first();
+
+        return view('barobill.kakaotalk.send.index', compact('currentTenant', 'barobillMember'));
+    }
+
+    /**
+     * 전송내역 조회
+     */
+    public function history(Request $request): View|Response
+    {
+        if ($request->header('HX-Request')) {
+            return response('', 200)->header('HX-Redirect', route('barobill.kakaotalk.history'));
+        }
+
+        $tenantId = session('selected_tenant_id', 1);
+        $currentTenant = Tenant::find($tenantId);
+        $barobillMember = BarobillMember::where('tenant_id', $tenantId)->first();
+
+        return view('barobill.kakaotalk.history.index', compact('currentTenant', 'barobillMember'));
+    }
+}