feat: 增强目标管理功能及相关组件

- 在 GoalsListScreen 中新增目标编辑功能，支持用户编辑现有目标
- 更新 CreateGoalModal 组件，支持编辑模式下的目标更新
- 在 NutritionRecordsScreen 中新增删除营养记录功能，允许用户删除不需要的记录
- 更新 NutritionRecordCard 组件，增加操作选项，支持删除记录
- 修改 dietRecords 服务，添加删除营养记录的 API 调用
- 优化 goalsSlice，确保目标更新逻辑与 Redux 状态管理一致

components/model/CreateGoalModal.tsx

@@ -1,6 +1,6 @@
 import { Colors } from '@/constants/Colors';
 import { useColorScheme } from '@/hooks/useColorScheme';
-import { CreateGoalRequest, GoalPriority, RepeatType } from '@/types/goals';
+import { CreateGoalRequest, GoalPriority, RepeatType, UpdateGoalRequest } from '@/types/goals';
 import { Ionicons } from '@expo/vector-icons';
 import DateTimePicker from '@react-native-community/datetimepicker';
 import { LinearGradient } from 'expo-linear-gradient';
@@ -24,9 +24,11 @@ interface CreateGoalModalProps {
   visible: boolean;
   onClose: () => void;
   onSubmit: (goalData: CreateGoalRequest) => void;
+  onUpdate?: (goalId: string, goalData: UpdateGoalRequest) => void;
   onSuccess?: () => void;
   loading?: boolean;
   initialData?: Partial<CreateGoalRequest>;
+  editGoalId?: string;
 }
 
 const REPEAT_TYPE_OPTIONS: { value: RepeatType; label: string }[] = [
@@ -41,9 +43,11 @@ export const CreateGoalModal: React.FC<CreateGoalModalProps> = ({
   visible,
   onClose,
   onSubmit,
+  onUpdate,
   onSuccess,
   loading = false,
   initialData,
+  editGoalId,
 }) => {
   const theme = (useColorScheme() ?? 'light') as 'light' | 'dark';
   const colorTokens = Colors[theme];
@@ -130,28 +134,49 @@ export const CreateGoalModal: React.FC<CreateGoalModalProps> = ({
       startTime = hours * 60 + minutes;
     }
 
+    // 根据是否是编辑模式决定数据结构
+    if (editGoalId && onUpdate) {
+      // 更新模式：使用 UpdateGoalRequest 结构
+      const updateData: UpdateGoalRequest = {
+        title: title.trim(),
+        description: description.trim() || undefined,
+        repeatType,
+        frequency,
+        category: category.trim() || undefined,
+        priority,
+        hasReminder,
+        reminderTime: hasReminder ? reminderTime : undefined,
+        customRepeatRule: {
+          weekdays: repeatType === 'weekly' ? selectedWeekdays : [1, 2, 3, 4, 5, 6, 0],
+          dayOfMonth: repeatType === 'monthly' ? selectedMonthDays : undefined,
+        },
+        endDate: endDate || undefined,
+      };
 
+      console.log('updateData', updateData);
+      onUpdate(editGoalId, updateData);
+    } else {
+      // 创建模式：使用 CreateGoalRequest 结构
+      const goalData: CreateGoalRequest = {
+        title: title.trim(),
+        description: description.trim() || undefined,
+        repeatType,
+        frequency,
+        category: category.trim() || undefined,
+        priority,
+        hasReminder,
+        reminderTime: hasReminder ? reminderTime : undefined,
+        customRepeatRule: {
+          weekdays: repeatType === 'weekly' ? selectedWeekdays : [1, 2, 3, 4, 5, 6, 0],
+          dayOfMonth: repeatType === 'monthly' ? selectedMonthDays : undefined,
+        },
+        startTime,
+        endDate: endDate || undefined,
+      };
 
-    const goalData: CreateGoalRequest = {
-      title: title.trim(),
-      description: description.trim() || undefined,
-      repeatType,
-      frequency,
-      category: category.trim() || undefined,
-      priority,
-      hasReminder,
-      reminderTime: hasReminder ? reminderTime : undefined,
-      customRepeatRule: {
-        weekdays: repeatType === 'weekly' ? selectedWeekdays : [1, 2, 3, 4, 5, 6, 0], // 根据重复类型设置周几
-        dayOfMonth: repeatType === 'monthly' ? selectedMonthDays : undefined, // 根据重复类型设置月几
-      },
-      startTime,
-      endDate: endDate || undefined,
-    };
-
-    console.log('goalData', goalData);
-
-    onSubmit(goalData);
+      console.log('goalData', goalData);
+      onSubmit(goalData);
+    }
 
     // 通知父组件提交成功
     if (onSuccess) {
@@ -278,7 +303,7 @@ export const CreateGoalModal: React.FC<CreateGoalModalProps> = ({
             <Ionicons name="close" size={24} color={colorTokens.text} />
           </TouchableOpacity>
           <Text style={[styles.title, { color: colorTokens.text }]}>
-            创建新目标
+            {editGoalId ? '编辑目标' : '创建新目标'}
           </Text>
           <View style={{ width: 24 }} />
         </View>
@@ -717,7 +742,7 @@ export const CreateGoalModal: React.FC<CreateGoalModalProps> = ({
             disabled={loading || !title.trim()}
           >
             <Text style={styles.saveButtonText}>
-              {loading ? '保存中...' : '保存'}
+              {loading ? (editGoalId ? '更新中...' : '保存中...') : (editGoalId ? '更新' : '保存')}
             </Text>
           </TouchableOpacity>
         </View>