refactor: 优化前端认证服务

- 优化AuthService认证服务
- 更新AuthModels数据模型
- 优化SmsCodeInput短信验证码输入组件

app-android/app/src/main/java/com/huaga/life_echo/network/AuthService.kt

@@ -52,12 +52,13 @@ class AuthService {
         phone: String,
         password: String,
         nickname: String,
-        email: String? = null
+        email: String? = null,
+        agreedToTerms: Boolean
     ): Result<TokenResponse> {
         return try {
             val response = client.post("$AUTH_BASE/register") {
                 contentType(ContentType.Application.Json)
-                setBody(RegisterRequest(phone, password, nickname, email))
+                setBody(RegisterRequest(phone, password, nickname, email, agreedToTerms))
             }
             
             when (response.status) {
@@ -102,11 +103,11 @@ class AuthService {
     /**
      * 用户登录
      */
-    suspend fun login(phone: String, password: String): Result<TokenResponse> {
+    suspend fun login(phone: String, password: String, agreedToTerms: Boolean): Result<TokenResponse> {
         return try {
             val response = client.post("$AUTH_BASE/login") {
                 contentType(ContentType.Application.Json)
-                setBody(LoginRequest(phone, password))
+                setBody(LoginRequest(phone, password, agreedToTerms))
             }
             
             when (response.status) {
@@ -327,11 +328,11 @@ class AuthService {
     /**
      * 验证码登录
      */
-    suspend fun loginWithSms(phone: String, code: String): Result<TokenResponse> {
+    suspend fun loginWithSms(phone: String, code: String, agreedToTerms: Boolean): Result<TokenResponse> {
         return try {
             val response = client.post("$AUTH_BASE/login/sms") {
                 contentType(ContentType.Application.Json)
-                setBody(SmsLoginRequest(phone, code))
+                setBody(SmsLoginRequest(phone, code, agreedToTerms))
             }
             
             when (response.status) {
@@ -364,12 +365,13 @@ class AuthService {
         code: String,
         password: String,
         nickname: String,
-        email: String? = null
+        email: String? = null,
+        agreedToTerms: Boolean
     ): Result<TokenResponse> {
         return try {
             val response = client.post("$AUTH_BASE/register/sms") {
                 contentType(ContentType.Application.Json)
-                setBody(SmsRegisterRequest(phone, code, password, nickname, email))
+                setBody(SmsRegisterRequest(phone, code, password, nickname, email, agreedToTerms))
             }
             
             when (response.status) {

app-android/app/src/main/java/com/huaga/life_echo/network/models/AuthModels.kt

@@ -12,14 +12,16 @@ data class RegisterRequest(
     val phone: String,
     val password: String,
     val nickname: String,
-    val email: String? = null
+    val email: String? = null,
+    val agreed_to_terms: Boolean
 )
 
 // 登录请求
 @Serializable
 data class LoginRequest(
     val phone: String,
-    val password: String
+    val password: String,
+    val agreed_to_terms: Boolean
 )
 
 // 刷新令牌请求
@@ -91,7 +93,8 @@ data class SmsResponse(
 @Serializable
 data class SmsLoginRequest(
     val phone: String,
-    val code: String
+    val code: String,
+    val agreed_to_terms: Boolean
 )
 
 // 验证码注册请求
@@ -101,7 +104,8 @@ data class SmsRegisterRequest(
     val code: String,
     val password: String,
     val nickname: String,
-    val email: String? = null
+    val email: String? = null,
+    val agreed_to_terms: Boolean
 )
 
 // 重置密码请求

app-android/app/src/main/java/com/huaga/life_echo/ui/components/auth/SmsCodeInput.kt

@@ -53,13 +53,14 @@ fun SmsCodeInput(
         modifier = modifier,
         decorationBox = { innerTextField ->
             Row(
-                horizontalArrangement = Arrangement.spacedBy(8.dp),
+                modifier = Modifier.wrapContentWidth(),
+                horizontalArrangement = Arrangement.spacedBy(6.dp),
                 verticalAlignment = Alignment.CenterVertically
             ) {
                 repeat(codeLength) { index ->
                     Box(
                         modifier = Modifier
-                            .size(48.dp)
+                            .size(40.dp)
                             .border(
                                 width = 2.dp,
                                 color = when {
@@ -68,14 +69,14 @@ fun SmsCodeInput(
                                     index < code.length -> MaterialTheme.colorScheme.primary.copy(alpha = 0.5f)
                                     else -> MaterialTheme.colorScheme.outline
                                 },
-                                shape = RoundedCornerShape(12.dp)
+                                shape = RoundedCornerShape(10.dp)
                             ),
                         contentAlignment = Alignment.Center
                     ) {
                         Text(
                             text = if (index < code.length) code[index].toString() else "",
                             style = TextStyle(
-                                fontSize = 24.sp,
+                                fontSize = 20.sp,
                                 fontWeight = FontWeight.Bold,
                                 color = if (enabled) {
                                     MaterialTheme.colorScheme.onSurface