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/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',
+        ];
+    }
+}