feat: 프로필 설정 페이지 추가

- 프로필 정보 수정 (이름, 전화번호)
- 비밀번호 변경 기능
- 헤더 드롭다운 메뉴 연결

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

app/Http/Controllers/ProfileController.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Http\Requests\ChangePasswordRequest;
+use App\Http\Requests\UpdateProfileRequest;
+use App\Services\ProfileService;
+use Illuminate\Http\JsonResponse;
+use Illuminate\View\View;
+
+class ProfileController extends Controller
+{
+    public function __construct(
+        private readonly ProfileService $profileService
+    ) {}
+
+    /**
+     * 프로필 페이지
+     */
+    public function index(): View
+    {
+        return view('profile.index');
+    }
+
+    /**
+     * 프로필 정보 수정
+     */
+    public function update(UpdateProfileRequest $request): JsonResponse
+    {
+        $user = auth()->user();
+        $result = $this->profileService->updateProfile($user, $request->validated());
+
+        if ($result) {
+            return response()->json([
+                'success' => true,
+                'message' => '프로필이 수정되었습니다.',
+            ]);
+        }
+
+        return response()->json([
+            'success' => false,
+            'message' => '프로필 수정에 실패했습니다.',
+        ], 500);
+    }
+
+    /**
+     * 비밀번호 변경
+     */
+    public function changePassword(ChangePasswordRequest $request): JsonResponse
+    {
+        $user = auth()->user();
+        $result = $this->profileService->changePassword(
+            $user,
+            $request->current_password,
+            $request->password
+        );
+
+        return response()->json($result, $result['success'] ? 200 : 422);
+    }
+}

app/Http/Requests/ChangePasswordRequest.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class ChangePasswordRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     */
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     */
+    public function rules(): array
+    {
+        return [
+            'current_password' => 'required|string',
+            'password' => 'required|string|min:8|confirmed',
+        ];
+    }
+
+    /**
+     * Get custom attributes for validator errors.
+     *
+     * @return array<string, string>
+     */
+    public function attributes(): array
+    {
+        return [
+            'current_password' => '현재 비밀번호',
+            'password' => '새 비밀번호',
+            'password_confirmation' => '새 비밀번호 확인',
+        ];
+    }
+
+    /**
+     * Get custom messages for validator errors.
+     *
+     * @return array<string, string>
+     */
+    public function messages(): array
+    {
+        return [
+            'password.confirmed' => '새 비밀번호가 일치하지 않습니다.',
+            'password.min' => '비밀번호는 최소 8자 이상이어야 합니다.',
+        ];
+    }
+}

app/Http/Requests/UpdateProfileRequest.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Http\Requests;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class UpdateProfileRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     */
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
+     */
+    public function rules(): array
+    {
+        return [
+            'name' => 'required|string|max:100',
+            'phone' => 'nullable|string|max:20',
+        ];
+    }
+
+    /**
+     * Get custom attributes for validator errors.
+     *
+     * @return array<string, string>
+     */
+    public function attributes(): array
+    {
+        return [
+            'name' => '이름',
+            'phone' => '연락처',
+        ];
+    }
+}

app/Services/ProfileService.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Services;
+
+use App\Models\User;
+use Illuminate\Support\Facades\Hash;
+
+class ProfileService
+{
+    /**
+     * 프로필 정보 수정 (이름, 전화번호)
+     */
+    public function updateProfile(User $user, array $data): bool
+    {
+        $user->name = $data['name'];
+        $user->phone = $data['phone'] ?? null;
+        $user->updated_by = $user->id;
+
+        return $user->save();
+    }
+
+    /**
+     * 비밀번호 변경
+     */
+    public function changePassword(User $user, string $currentPassword, string $newPassword): array
+    {
+        // 현재 비밀번호 확인
+        if (! Hash::check($currentPassword, $user->password)) {
+            return [
+                'success' => false,
+                'message' => '현재 비밀번호가 일치하지 않습니다.',
+            ];
+        }
+
+        // 새 비밀번호가 현재 비밀번호와 동일한지 확인
+        if (Hash::check($newPassword, $user->password)) {
+            return [
+                'success' => false,
+                'message' => '새 비밀번호는 현재 비밀번호와 다르게 설정해주세요.',
+            ];
+        }
+
+        // 비밀번호 업데이트
+        $user->password = Hash::make($newPassword);
+        $user->updated_by = $user->id;
+        $user->save();
+
+        return [
+            'success' => true,
+            'message' => '비밀번호가 변경되었습니다.',
+        ];
+    }
+}