feat(flutter): 시간 선택 시트와 휠·날짜 선택 등 공용 위젯 확장

일정 추가 화면에 필요한 공용 부품을 먼저 넣는다.
- 시간 선택 시트(오전/오후·시·분) — 시·분은 끝없이 돌아가는 휠, 조건이 안 맞으면 시트 안에 안내
- 날짜 선택 시트에 연도 범위 지정 (기간 설정은 올해~2050)
- 큰 알약 토글(일정 관리/다이어리)과 아이콘, 본문 서체 알약 버튼
- "직접 추가" 입력 칩을 공용으로 옮기고, 일반 일정 칩용 큰 × 추가
- HourMinute(시각 값), 주소 등 바깥 값용 날짜 파서

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

flutter/lib/features/pet/presentation/widgets/allergen_selector.dart

@@ -1,12 +1,9 @@
 import 'package:flutter/material.dart';
-import 'package:tma_app/core/constants/app_colors.dart';
 import 'package:tma_app/core/constants/app_sizes.dart';
 import 'package:tma_app/features/pet/data/repositories/allergen_menu_repository.dart';
-import 'package:tma_app/shared/widgets/icons/rup_icon.dart';
 import 'package:tma_app/shared/widgets/rup_form_fields.dart';
 
 const int _kCustomMaxLength = 12;
-const double _kCustomInputWidth = 76;
 
 /// 알레르기 선택 — 기본 항목 + 직접 추가한 항목(메뉴에서 지울 수 있음) + 직접 추가
 class AllergenSelector extends StatefulWidget {
@@ -68,77 +65,10 @@ class _AllergenSelectorState extends State<AllergenSelector> {
             onDelete: () => widget.onRemoveCustom(a),
           ),
         if (_adding)
-          _CustomInputChip(controller: _input, onSubmit: _commit)
+          RupInputChip(controller: _input, maxLength: _kCustomMaxLength, onSubmit: _commit)
         else
           RupAddChip(label: '직접 추가', onTap: () => setState(() => _adding = true)),
       ],
     );
   }
 }
-
-class _CustomInputChip extends StatelessWidget {
-  const _CustomInputChip({required this.controller, required this.onSubmit});
-
-  final TextEditingController controller;
-  final VoidCallback onSubmit;
-
-  @override
-  Widget build(BuildContext context) {
-    final style = Theme.of(context).textTheme.bodyMedium!.copyWith(
-          fontSize: 13,
-          fontWeight: FontWeight.w600,
-          height: 1.2,
-        );
-    return Container(
-      padding: const EdgeInsets.fromLTRB(11, 3, 5, 3),
-      decoration: BoxDecoration(
-        color: AppColors.surface,
-        borderRadius: BorderRadius.circular(AppRadius.card),
-        border: Border.all(color: AppColors.primary, width: 1.5),
-      ),
-      child: Row(
-        mainAxisSize: MainAxisSize.min,
-        children: [
-          SizedBox(
-            width: _kCustomInputWidth,
-            child: TextField(
-              controller: controller,
-              autofocus: true,
-              maxLength: _kCustomMaxLength,
-              style: style,
-              cursorColor: AppColors.primary,
-              textInputAction: TextInputAction.done,
-              onSubmitted: (_) => onSubmit(),
-              decoration: InputDecoration(
-                isDense: true,
-                border: InputBorder.none,
-                counterText: '',
-                hintText: '직접 입력',
-                hintStyle: style.copyWith(color: AppColors.muted),
-                contentPadding: EdgeInsets.zero,
-              ),
-            ),
-          ),
-          const SizedBox(width: 5),
-          Semantics(
-            button: true,
-            label: '추가',
-            child: GestureDetector(
-              onTap: onSubmit,
-              child: Container(
-                width: 26,
-                height: 26,
-                decoration: BoxDecoration(
-                  color: AppColors.primary,
-                  borderRadius: BorderRadius.circular(AppSpacing.sm),
-                ),
-                alignment: Alignment.center,
-                child: const RupIcon(RupIconName.check, size: 15, stroke: 2.6, color: Colors.white),
-              ),
-            ),
-          ),
-        ],
-      ),
-    );
-  }
-}