feat: 新增个人信息管理功能

- 新增PersonalInfoCard个人信息卡片组件
- 新增PersonalInfoScreen个人信息屏幕
- 更新AppNavigation导航结构

app-android/app/src/main/java/com/huaga/life_echo/navigation/AppNavigation.kt

@@ -16,8 +16,8 @@ sealed class Screen(val route: String) {
     }
     object MyMemoir : Screen("my_memoir")
     object Profile : Screen("profile")
+    object PersonalInfo : Screen("personal_info")
     object Login : Screen("login")
-    object Register : Screen("register")
     object ResetPassword : Screen("reset_password")
     object AccountManagement : Screen("account_management")
     object UpgradePlan : Screen("upgrade_plan")
@@ -88,6 +88,15 @@ fun AppNavigation(
         ) {
             ProfileScreen(navController = navController)
         }
+        composable(
+            route = Screen.PersonalInfo.route,
+            enterTransition = { slideInHorizontally() },
+            exitTransition = { slideOutHorizontally() },
+            popEnterTransition = { slideInHorizontallyFromLeft() },
+            popExitTransition = { slideOutHorizontallyToRight() }
+        ) {
+            PersonalInfoScreen(navController = navController)
+        }
         composable(
             route = Screen.UpgradePlan.route,
             enterTransition = { slideInVertically() },
@@ -190,9 +199,6 @@ fun AppNavigation(
                         popUpTo(Screen.Login.route) { inclusive = true }
                     }
                 },
-                onNavigateToRegister = {
-                    navController.navigate(Screen.Register.route)
-                },
                 onNavigateToResetPassword = {
                     navController.navigate(Screen.ResetPassword.route)
                 },
@@ -204,25 +210,6 @@ fun AppNavigation(
                 }
             )
         }
-        composable(
-            route = Screen.Register.route,
-            enterTransition = { slideInHorizontally() },
-            exitTransition = { slideOutHorizontally() },
-            popEnterTransition = { slideInHorizontallyFromLeft() },
-            popExitTransition = { slideOutHorizontallyToRight() }
-        ) {
-            RegisterScreen(
-                onRegisterSuccess = {
-                    navController.popBackStack()
-                },
-                onNavigateToTerms = {
-                    navController.navigate(Screen.Terms.route)
-                },
-                onNavigateToPrivacy = {
-                    navController.navigate(Screen.Privacy.route)
-                }
-            )
-        }
         composable(
             route = Screen.ResetPassword.route,
             enterTransition = { slideInHorizontally() },

app-android/app/src/main/java/com/huaga/life_echo/ui/components/profile/PersonalInfoCard.kt

@@ -0,0 +1,97 @@
+package com.huaga.life_echo.ui.components.profile
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.*
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import com.huaga.life_echo.ui.icons.AppIcons
+
+@Composable
+fun PersonalInfoCard(
+    nickname: String,
+    phone: String,
+    planName: String,
+    onClick: () -> Unit,
+    modifier: Modifier = Modifier
+) {
+    Card(
+        modifier = modifier
+            .fillMaxWidth()
+            .clickable(onClick = onClick),
+        shape = RoundedCornerShape(12.dp),
+        colors = CardDefaults.cardColors(
+            containerColor = MaterialTheme.colorScheme.surface
+        )
+    ) {
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            // 左侧：图标和信息
+            Row(
+                modifier = Modifier.weight(1f),
+                horizontalArrangement = Arrangement.spacedBy(12.dp),
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                // 图标
+                Box(
+                    modifier = Modifier
+                        .size(40.dp)
+                        .clip(RoundedCornerShape(8.dp))
+                        .background(MaterialTheme.colorScheme.primaryContainer),
+                    contentAlignment = Alignment.Center
+                ) {
+                    Icon(
+                        imageVector = AppIcons.Person,
+                        contentDescription = "个人信息",
+                        tint = MaterialTheme.colorScheme.primary,
+                        modifier = Modifier.size(24.dp)
+                    )
+                }
+                
+                // 信息
+                Column(
+                    modifier = Modifier.weight(1f),
+                    verticalArrangement = Arrangement.spacedBy(4.dp)
+                ) {
+                    Text(
+                        text = nickname,
+                        fontSize = 16.sp,
+                        fontWeight = FontWeight.Bold,
+                        color = MaterialTheme.colorScheme.onSurface
+                    )
+                    Text(
+                        text = phone,
+                        fontSize = 12.sp,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant
+                    )
+                }
+            }
+            
+            // 右侧：套餐标签和箭头
+            Row(
+                horizontalArrangement = Arrangement.spacedBy(8.dp),
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                PlanStatusBadge(planName = planName)
+                Icon(
+                    imageVector = AppIcons.ChevronRight,
+                    contentDescription = "查看详情",
+                    tint = MaterialTheme.colorScheme.onSurfaceVariant,
+                    modifier = Modifier.size(20.dp)
+                )
+            }
+        }
+    }
+}

app-android/app/src/main/java/com/huaga/life_echo/ui/screens/PersonalInfoScreen.kt

@@ -0,0 +1,195 @@
+package com.huaga.life_echo.ui.screens
+
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material3.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.lifecycle.viewmodel.compose.viewModel
+import com.huaga.life_echo.ui.components.profile.PlanStatusBadge
+import com.huaga.life_echo.ui.theme.LightPurple
+import com.huaga.life_echo.ui.viewmodel.AuthViewModel
+import com.huaga.life_echo.ui.viewmodel.PaymentViewModel
+import com.huaga.life_echo.ui.viewmodel.ProfileViewModel
+import com.huaga.life_echo.ui.viewmodel.ViewModelFactory
+import androidx.compose.ui.platform.LocalContext
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun PersonalInfoScreen(
+    navController: androidx.navigation.NavHostController? = null,
+    authViewModel: AuthViewModel = viewModel(factory = ViewModelFactory(LocalContext.current)),
+    profileViewModel: ProfileViewModel = viewModel(factory = ViewModelFactory(LocalContext.current)),
+    paymentViewModel: PaymentViewModel = viewModel(factory = ViewModelFactory(LocalContext.current))
+) {
+    val currentUser by authViewModel.currentUser.collectAsState()
+    val userProfile by profileViewModel.userProfile.collectAsState()
+    val currentPlan by paymentViewModel.currentPlan.collectAsState()
+    
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = { Text("个人信息") },
+                navigationIcon = {
+                    IconButton(onClick = { navController?.popBackStack() }) {
+                        Icon(
+                            imageVector = Icons.AutoMirrored.Filled.ArrowBack,
+                            contentDescription = "返回"
+                        )
+                    }
+                },
+                colors = TopAppBarDefaults.topAppBarColors(
+                    containerColor = MaterialTheme.colorScheme.surface
+                )
+            )
+        }
+    ) { paddingValues ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(paddingValues)
+                .verticalScroll(rememberScrollState())
+                .padding(16.dp),
+            verticalArrangement = Arrangement.spacedBy(16.dp)
+        ) {
+            // 个人信息卡片
+            Card(
+                modifier = Modifier.fillMaxWidth(),
+                shape = RoundedCornerShape(12.dp),
+                colors = CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.surface
+                )
+            ) {
+                Column(
+                    modifier = Modifier.padding(16.dp),
+                    verticalArrangement = Arrangement.spacedBy(16.dp)
+                ) {
+                    // 昵称
+                    InfoRow(
+                        label = "昵称",
+                        value = userProfile?.nickname ?: currentUser?.nickname ?: "未设置"
+                    )
+                    
+                    HorizontalDivider()
+                    
+                    // 手机号
+                    InfoRow(
+                        label = "手机号",
+                        value = currentUser?.phone ?: "未设置"
+                    )
+                    
+                    // 邮箱（如果有）
+                    if (!currentUser?.email.isNullOrBlank()) {
+                        HorizontalDivider()
+                        InfoRow(
+                            label = "邮箱",
+                            value = currentUser?.email ?: "未设置"
+                        )
+                    }
+                }
+            }
+            
+            // 套餐信息卡片
+            Card(
+                modifier = Modifier.fillMaxWidth(),
+                shape = RoundedCornerShape(12.dp),
+                colors = CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.surface
+                )
+            ) {
+                Column(
+                    modifier = Modifier.padding(16.dp),
+                    verticalArrangement = Arrangement.spacedBy(12.dp)
+                ) {
+                    Text(
+                        text = "当前套餐",
+                        fontSize = 16.sp,
+                        fontWeight = FontWeight.Bold,
+                        color = MaterialTheme.colorScheme.onSurface
+                    )
+                    
+                    Row(
+                        modifier = Modifier.fillMaxWidth(),
+                        horizontalArrangement = Arrangement.SpaceBetween,
+                        verticalAlignment = Alignment.CenterVertically
+                    ) {
+                        PlanStatusBadge(
+                            planName = currentPlan?.displayName ?: when (currentUser?.subscription_type) {
+                                "free" -> "免费体验版"
+                                "premium" -> "高级版"
+                                "professional" -> "专业版"
+                                else -> "免费体验版"
+                            }
+                        )
+                    }
+                    
+                    // 套餐详情（如果有）
+                    currentPlan?.let { plan ->
+                        HorizontalDivider()
+                        Column(
+                            verticalArrangement = Arrangement.spacedBy(8.dp)
+                        ) {
+                            Text(
+                                text = "套餐详情",
+                                fontSize = 14.sp,
+                                fontWeight = FontWeight.Medium,
+                                color = MaterialTheme.colorScheme.onSurfaceVariant
+                            )
+                            plan.features.forEach { feature ->
+                                Row(
+                                    modifier = Modifier.fillMaxWidth(),
+                                    horizontalArrangement = Arrangement.spacedBy(8.dp)
+                                ) {
+                                    Text(
+                                        text = "•",
+                                        fontSize = 14.sp,
+                                        color = LightPurple
+                                    )
+                                    Text(
+                                        text = feature,
+                                        fontSize = 14.sp,
+                                        color = MaterialTheme.colorScheme.onSurfaceVariant
+                                    )
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+private fun InfoRow(
+    label: String,
+    value: String
+) {
+    Row(
+        modifier = Modifier.fillMaxWidth(),
+        horizontalArrangement = Arrangement.SpaceBetween,
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        Text(
+            text = label,
+            fontSize = 14.sp,
+            color = MaterialTheme.colorScheme.onSurfaceVariant
+        )
+        Text(
+            text = value,
+            fontSize = 16.sp,
+            fontWeight = FontWeight.Medium,
+            color = MaterialTheme.colorScheme.onSurface
+        )
+    }
+}