feat(medications): 增强药品详情页面的编辑功能

- 添加剂量、剂型和服药频率的交互式选择器
- 实现提醒时间的动态编辑和添加功能
- 引入玻璃效果优化删除按钮的视觉体验
- 重构常量配置，提取药物相关常量到独立文件
- 创建可复用的InfoCard组件支持玻璃效果

constants/Medication.ts

@@ -0,0 +1,56 @@
+/**
+ * 药物管理相关常量
+ */
+
+import type { MedicationForm } from '@/types/medication';
+import type { MaterialCommunityIcons } from '@expo/vector-icons';
+
+/**
+ * 剂型选项配置
+ */
+export const FORM_OPTIONS: Array<{ 
+  id: MedicationForm; 
+  label: string; 
+  icon: keyof typeof MaterialCommunityIcons.glyphMap;
+}> = [
+  { id: 'capsule', label: '胶囊', icon: 'pill' },
+  { id: 'pill', label: '药片', icon: 'tablet' },
+  { id: 'injection', label: '注射', icon: 'needle' },
+  { id: 'spray', label: '喷雾', icon: 'spray' },
+  { id: 'drop', label: '滴剂', icon: 'eyedropper' },
+  { id: 'syrup', label: '糖浆', icon: 'bottle-tonic' },
+  { id: 'other', label: '其他', icon: 'dots-horizontal' },
+];
+
+/**
+ * 剂型标签映射
+ */
+export const FORM_LABELS: Record<MedicationForm, string> = {
+  capsule: '胶囊',
+  pill: '药片',
+  injection: '注射',
+  spray: '喷雾',
+  drop: '滴剂',
+  syrup: '糖浆',
+  other: '其他',
+};
+
+/**
+ * 剂量单位选项
+ */
+export const DOSAGE_UNITS = ['片', '粒', '毫升', '滴', '喷', '勺'];
+
+/**
+ * 剂量值选项 (0.5 - 10，步长0.5)
+ */
+export const DOSAGE_VALUES = Array.from({ length: 20 }, (_, i) => (i + 1) * 0.5);
+
+/**
+ * 每日次数选项
+ */
+export const TIMES_PER_DAY_OPTIONS = Array.from({ length: 10 }, (_, index) => index + 1);
+
+/**
+ * 默认服药时间预设
+ */
+export const DEFAULT_TIME_PRESETS = ['08:00', '12:00', '18:00', '22:00'];