feat: 更新应用图标和启动画面

- 将应用图标更改为 logo.jpeg，更新相关配置文件
- 删除旧的图标文件，确保资源整洁
- 更新启动画面使用新的 logo 图片，提升视觉一致性
- 在训练计划相关功能中集成新的 API 接口，支持训练计划的创建和管理
- 优化 Redux 状态管理，支持训练计划的加载和删除功能
- 更新样式以适应新图标和功能的展示

app/ai-posture-assessment.tsx

@@ -4,6 +4,7 @@ import * as ImagePicker from 'expo-image-picker';
 import { useRouter } from 'expo-router';
 import React, { useEffect, useMemo, useState } from 'react';
 import {
+  ActivityIndicator,
   Alert,
   Image,
   Linking,
@@ -12,13 +13,14 @@ import {
   StyleSheet,
   Text,
   TouchableOpacity,
-  View,
+  View
 } from 'react-native';
 import ImageViewing from 'react-native-image-viewing';
 import { useSafeAreaInsets } from 'react-native-safe-area-context';
 
 import { HeaderBar } from '@/components/ui/HeaderBar';
 import { Colors } from '@/constants/Colors';
+import { useCosUpload } from '@/hooks/useCosUpload';
 
 type PoseView = 'front' | 'side' | 'back';
 
@@ -59,6 +61,9 @@ export default function AIPostureAssessmentScreen() {
     [uploadState]
   );
 
+  const { upload, uploading } = useCosUpload();
+  const [uploadingKey, setUploadingKey] = useState<PoseView | null>(null);
+
   const [cameraPerm, setCameraPerm] = useState<ImagePicker.PermissionStatus | null>(null);
   const [libraryPerm, setLibraryPerm] = useState<ImagePicker.PermissionStatus | null>(null);
   const [libraryAccess, setLibraryAccess] = useState<'all' | 'limited' | 'none' | null>(null);
@@ -129,7 +134,25 @@ export default function AIPostureAssessmentScreen() {
           aspect: [3, 4],
         });
         if (!result.canceled) {
-          setUploadState((s) => ({ ...s, [key]: result.assets[0]?.uri ?? null }));
+          // 设置正在上传状态
+          setUploadingKey(key);
+          try {
+            // 上传到 COS
+            const { url } = await upload(
+              { uri: result.assets[0]?.uri ?? '', name: `posture-${key}.jpg`, type: 'image/jpeg' },
+              { prefix: 'posture-assessment/' }
+            );
+            // 上传成功，更新状态
+            setUploadState((s) => ({ ...s, [key]: url }));
+          } catch (uploadError) {
+            console.warn('上传图片失败', uploadError);
+            Alert.alert('上传失败', '图片上传失败，请重试');
+            // 上传失败，清除状态
+            setUploadState((s) => ({ ...s, [key]: null }));
+          } finally {
+            // 清除上传状态
+            setUploadingKey(null);
+          }
         }
       } else {
         const resp = await ImagePicker.requestMediaLibraryPermissionsAsync();
@@ -158,7 +181,25 @@ export default function AIPostureAssessmentScreen() {
           aspect: [3, 4],
         });
         if (!result.canceled) {
-          setUploadState((s) => ({ ...s, [key]: result.assets[0]?.uri ?? null }));
+          // 设置正在上传状态
+          setUploadingKey(key);
+          try {
+            // 上传到 COS
+            const { url } = await upload(
+              { uri: result.assets[0]?.uri ?? '', name: `posture-${key}.jpg`, type: 'image/jpeg' },
+              { prefix: 'posture-assessment/' }
+            );
+            // 上传成功，更新状态
+            setUploadState((s) => ({ ...s, [key]: url }));
+          } catch (uploadError) {
+            console.warn('上传图片失败', uploadError);
+            Alert.alert('上传失败', '图片上传失败，请重试');
+            // 上传失败，清除状态
+            setUploadState((s) => ({ ...s, [key]: null }));
+          } finally {
+            // 清除上传状态
+            setUploadingKey(null);
+          }
         }
       }
     } catch (e) {
@@ -219,6 +260,7 @@ export default function AIPostureAssessmentScreen() {
           onPickCamera={() => requestPermissionAndPick('camera', 'front')}
           onPickLibrary={() => requestPermissionAndPick('library', 'front')}
           samples={SAMPLES.front}
+          uploading={uploading && uploadingKey === 'front'}
         />
 
         <UploadTile
@@ -227,6 +269,7 @@ export default function AIPostureAssessmentScreen() {
           onPickCamera={() => requestPermissionAndPick('camera', 'side')}
           onPickLibrary={() => requestPermissionAndPick('library', 'side')}
           samples={SAMPLES.side}
+          uploading={uploading && uploadingKey === 'side'}
         />
 
         <UploadTile
@@ -235,6 +278,7 @@ export default function AIPostureAssessmentScreen() {
           onPickCamera={() => requestPermissionAndPick('camera', 'back')}
           onPickLibrary={() => requestPermissionAndPick('library', 'back')}
           samples={SAMPLES.back}
+          uploading={uploading && uploadingKey === 'back'}
         />
       </ScrollView>
 
@@ -264,12 +308,14 @@ function UploadTile({
   onPickCamera,
   onPickLibrary,
   samples,
+  uploading,
 }: {
   label: string;
   value?: string | null;
   onPickCamera: () => void;
   onPickLibrary: () => void;
   samples: Sample[];
+  uploading?: boolean;
 }) {
   const [viewerVisible, setViewerVisible] = React.useState(false);
   const [viewerIndex, setViewerIndex] = React.useState(0);
@@ -291,8 +337,14 @@ function UploadTile({
         onLongPress={onPickLibrary}
         onPress={onPickCamera}
         style={styles.uploader}
+        disabled={uploading}
       >
-        {value ? (
+        {uploading ? (
+          <View style={[styles.placeholder, { backgroundColor: '#f5f5f5' }]}>
+            <ActivityIndicator size="large" color="#BBF246" />
+            <Text style={styles.placeholderTitle}>上传中...</Text>
+          </View>
+        ) : value ? (
           <Image source={{ uri: value }} style={styles.preview} />
         ) : (
           <View style={styles.placeholder}>