feat: 增强食物库功能，支持自定义食物的创建与删除，优化用户体验

app/(tabs)/statistics.tsx

@@ -345,14 +345,16 @@ export default function ExploreScreen() {
           <View style={styles.masonryContainer}>
             {/* 左列 */}
             <View style={styles.masonryColumn}>
-              <FloatingCard style={styles.masonryCard} delay={0}>
-                <StressMeter
-                  value={hrvValue}
-                  updateTime={hrvUpdateTime}
-                  hrvValue={hrvValue}
+              {/* 心情卡片 */}
+              <FloatingCard style={styles.masonryCard} delay={1500}>
+                <MoodCard
+                  moodCheckin={currentMoodCheckin}
+                  onPress={() => pushIfAuthedElseLogin('/mood/calendar')}
+                  isLoading={isMoodLoading}
                 />
               </FloatingCard>
 
+
               <FloatingCard style={styles.masonryCard} delay={500}>
                 <Text style={styles.cardTitle}>消耗卡路里</Text>
                 {activeCalories != null ? (
@@ -389,12 +391,11 @@ export default function ExploreScreen() {
                   showLabel={false}
                 />
               </FloatingCard>
-              {/* 心情卡片 */}
-              <FloatingCard style={styles.masonryCard} delay={1500}>
-                <MoodCard
-                  moodCheckin={currentMoodCheckin}
-                  onPress={() => pushIfAuthedElseLogin('/mood/calendar')}
-                  isLoading={isMoodLoading}
+              <FloatingCard style={styles.masonryCard} delay={0}>
+                <StressMeter
+                  value={hrvValue}
+                  updateTime={hrvUpdateTime}
+                  hrvValue={hrvValue}
                 />
               </FloatingCard>
             </View>