feat(proxy): 按代理/区域区分模型列表与选择

- 新增“代理”下拉：Trae CN/INTL、WorkBuddy CN/INTL
- WorkBuddyModelProvider 在线拉取 /v2/enterprises/personal/models
- Trae/WorkBuddy 各区域独立记住所选测试模型
- 真实代理转发仍按前缀自动路由，不受测试选择影响
- 版本升至 1.7.6

app/build.gradle.kts

@@ -16,8 +16,8 @@ android {
         applicationId = "com.rainy.token"
         minSdk = 31
         targetSdk = 35
-        versionCode = 25
+        versionCode = 26
-        versionName = "1.7.5"
+        versionName = "1.7.6"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {

app/src/main/java/com/rainy/token/data/proxy/TraeChatProxy.kt

@@ -60,7 +60,7 @@ class TraeChatProxy @Inject constructor(
             } else {
                 "https://trae-api-cn.mchost.guru"
             }
-            val upstreamBody = buildUpstreamBody(requestBody, credential)
+            val upstreamBody = buildUpstreamBody(requestBody, credential, effectiveRegion)
             val requestId = UUID.randomUUID().toString()
 
             val builder = Request.Builder()
@@ -99,7 +99,7 @@ class TraeChatProxy @Inject constructor(
         } else {
             "https://trae-api-cn.mchost.guru"
         }
-        val upstreamBody = buildUpstreamBody(requestBody, credential)
+        val upstreamBody = buildUpstreamBody(requestBody, credential, effectiveRegion)
         val requestId = UUID.randomUUID().toString()
 
         val builder = Request.Builder()
@@ -230,13 +230,14 @@ class TraeChatProxy @Inject constructor(
     }
 
     /** 外部模型名 -> Trae 内部模型名；空/auto 用设置页选择的默认模型。 */
-    private fun normalizeModel(raw: String?): String {
+    private fun normalizeModel(raw: String?, region: ProviderRegion?): String {
-        val id = raw?.trim()?.takeIf { it.isNotBlank() } ?: return modelProvider.selectedModel
+        val selected = modelProvider.selectedFor(region ?: ProviderRegion.CN)
-        if (id.equals("auto", ignoreCase = true)) return modelProvider.selectedModel
+        val id = raw?.trim()?.takeIf { it.isNotBlank() } ?: return selected
+        if (id.equals("auto", ignoreCase = true)) return selected
         return MODEL_ALIASES[id.lowercase()] ?: id
     }
 
-    private fun buildUpstreamBody(raw: String, credential: Credential.TraeCredential): String {
+    private fun buildUpstreamBody(raw: String, credential: Credential.TraeCredential, region: ProviderRegion?): String {
         val src = try {
             json.parseToJsonElement(raw) as? JsonObject
         } catch (_: Throwable) {
@@ -244,7 +245,7 @@ class TraeChatProxy @Inject constructor(
         } ?: return raw
 
         val rawModel = (src["model"] as? JsonPrimitive)?.contentOrNull?.takeIf { it.isNotBlank() }
-        val model = normalizeModel(rawModel)
+        val model = normalizeModel(rawModel, region)
         val messages = convertNativeMessages(src["messages"])
         val sessionId = UUID.randomUUID().toString().replace("-", "")
 

app/src/main/java/com/rainy/token/data/proxy/TraeModelProvider.kt

@@ -41,16 +41,20 @@ class TraeModelProvider @Inject constructor(
     private val _models = MutableStateFlow(defaultModels())
     val models: StateFlow<List<TraeModel>> = _models.asStateFlow()
 
-    /** 当前默认模型（用户在设置页选择的 Trae 模型名）。 */
-    var selectedModel: String = prefs.getString(KEY_MODEL, "glm-5.2") ?: "glm-5.2"
-        private set
-
     private val json = Json { ignoreUnknownKeys = true }
 
-    fun setSelectedModel(id: String) {
+    /** 当前区域选择的默认模型（未设置时 CN 用 GLM-5.2）。 */
+    fun selectedFor(region: ProviderRegion): String {
+        if (region == ProviderRegion.INTL) {
+            return prefs.getString(KEY_MODEL_INTL, DEFAULT_MODEL_INTL) ?: DEFAULT_MODEL_INTL
+        }
+        return prefs.getString(KEY_MODEL_CN, "glm-5.2") ?: "glm-5.2"
+    }
+
+    fun setSelectedFor(region: ProviderRegion, id: String) {
         if (id.isBlank()) return
-        selectedModel = id
+        val key = if (region == ProviderRegion.INTL) KEY_MODEL_INTL else KEY_MODEL_CN
-        prefs.edit().putString(KEY_MODEL, id).apply()
+        prefs.edit().putString(key, id).apply()
     }
 
     /** 拉取账号在线模型列表；失败时保留内置列表并返回 false。 */
@@ -120,7 +124,9 @@ class TraeModelProvider @Inject constructor(
     }
 
     companion object {
-        private const val KEY_MODEL = "trae_default_model"
+        private const val KEY_MODEL_CN = "trae_default_model_cn"
+        private const val KEY_MODEL_INTL = "trae_default_model_intl"
+        private const val DEFAULT_MODEL_INTL = "glm-5.2"
 
         /** 内置兜底模型（参考 trae2api-cn 的模型映射 /v1/models 列表）。 */
         fun defaultModels(): List<TraeModel> = listOf(

app/src/main/java/com/rainy/token/data/proxy/WorkBuddyModelProvider.kt

@@ -0,0 +1,119 @@
+package com.rainy.token.data.proxy
+
+import android.content.Context
+import android.content.SharedPreferences
+import com.rainy.token.data.repository.CredentialRepository
+import com.rainy.token.domain.model.Credential
+import com.rainy.token.domain.service.ServiceType
+import dagger.hilt.android.qualifiers.ApplicationContext
+import javax.inject.Inject
+import javax.inject.Singleton
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.withContext
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.JsonArray
+import kotlinx.serialization.json.JsonObject
+import kotlinx.serialization.json.JsonPrimitive
+import kotlinx.serialization.json.contentOrNull
+import okhttp3.Headers.Companion.toHeaders
+import okhttp3.OkHttpClient
+import okhttp3.Request
+
+/**
+ * WorkBuddy / CodeBuddy 模型列表：
+ * 在线接口 GET {base}/v2/enterprises/personal/models + 内置兜底 + 按区域记住选择。
+ */
+@Singleton
+class WorkBuddyModelProvider @Inject constructor(
+    private val okHttpClient: OkHttpClient,
+    private val credentialRepository: CredentialRepository,
+    @ApplicationContext private val context: Context,
+) {
+
+    private val prefs: SharedPreferences =
+        context.getSharedPreferences("rainytoken_proxy", Context.MODE_PRIVATE)
+
+    private val _models = MutableStateFlow(defaultModels())
+    val models: StateFlow<List<TraeModelProvider.TraeModel>> = _models.asStateFlow()
+
+    private val json = Json { ignoreUnknownKeys = true }
+
+    fun selectedFor(region: ProviderRegion): String {
+        val key = if (region == ProviderRegion.INTL) KEY_MODEL_INTL else KEY_MODEL_CN
+        return prefs.getString(key, DEFAULT_MODEL) ?: DEFAULT_MODEL
+    }
+
+    fun setSelectedFor(region: ProviderRegion, id: String) {
+        if (id.isBlank()) return
+        val key = if (region == ProviderRegion.INTL) KEY_MODEL_INTL else KEY_MODEL_CN
+        prefs.edit().putString(key, id).apply()
+    }
+
+    suspend fun refreshFor(region: ProviderRegion): Boolean = withContext(Dispatchers.IO) {
+        val credential = credentialRepository.get(ServiceType.WORKBUDDY, null)
+            ?: return@withContext false
+        if (credential !is Credential.WorkBuddyCredential) return@withContext false
+        val accessToken = credential.accessToken.trim().takeIf { it.isNotBlank() }
+            ?: return@withContext false
+        val intl = region == ProviderRegion.INTL
+        val base = if (intl) "https://www.workbuddy.ai" else "https://copilot.tencent.com"
+        val url = base + "/v2/enterprises/personal/models"
+
+        val headers = linkedMapOf(
+            "Authorization" to "Bearer $accessToken",
+            "Content-Type" to "application/json",
+            "Accept" to "application/json",
+            "X-Client-ID" to "codebuddy-cli",
+            "X-Client-Version" to "2.143.1",
+            "X-Product" to "SaaS",
+            "User-Agent" to "CLI/2.143.1 CodeBuddy/2.143.1",
+            "Origin" to (if (intl) "https://www.workbuddy.ai" else "https://www.codebuddy.cn"),
+        )
+        val request = Request.Builder().url(url).headers(headers.toHeaders()).get().build()
+        val parsed = try {
+            okHttpClient.newCall(request).execute().use { resp ->
+                if (!resp.isSuccessful) return@use null
+                val body = resp.body?.string() ?: return@use null
+                parseModelList(body)
+            }
+        } catch (_: Exception) {
+            null
+        }
+        if (parsed.isNullOrEmpty()) return@withContext false
+        _models.value = parsed
+        true
+    }
+
+    private fun parseModelList(body: String): List<TraeModelProvider.TraeModel>? {
+        val root = runCatching { json.parseToJsonElement(body) as? JsonObject }.getOrNull()
+            ?: return null
+        val data = root["data"] as? JsonObject ?: return null
+        val models = data["models"] as? JsonArray ?: return null
+        val seen = LinkedHashMap<String, TraeModelProvider.TraeModel>()
+        for (rawEl in models) {
+            val raw = rawEl as? JsonObject ?: continue
+            val id = (raw["id"] as? JsonPrimitive)?.contentOrNull?.trim()
+                ?.takeIf { it.isNotEmpty() } ?: continue
+            val label = (raw["name"] as? JsonPrimitive)?.contentOrNull?.takeIf { it.isNotBlank() } ?: id
+            seen[id] = TraeModelProvider.TraeModel(id, label)
+        }
+        return seen.values.toList().ifEmpty { null }
+    }
+
+    companion object {
+        private const val KEY_MODEL_CN = "wb_default_model_cn"
+        private const val KEY_MODEL_INTL = "wb_default_model_intl"
+        private const val DEFAULT_MODEL = "hy4-preview"
+
+        /** 内置兜底（参考 workbuddy-gateway 模型目录，在线列表成功后会被替换）。 */
+        fun defaultModels(): List<TraeModelProvider.TraeModel> = listOf(
+            TraeModelProvider.TraeModel("hy4-preview", "hy4-preview"),
+            TraeModelProvider.TraeModel("hy3", "hy3"),
+            TraeModelProvider.TraeModel("hy3-preview", "hy3-preview"),
+            TraeModelProvider.TraeModel("deepseek-v4.1-flash", "deepseek-v4.1-flash"),
+        )
+    }
+}

app/src/main/java/com/rainy/token/ui/settings/SettingsScreen.kt

@@ -109,6 +109,7 @@ fun SettingsScreen(
     val proxyDebug by viewModel.proxyDebug.collectAsStateWithLifecycle()
     val proxyDebugRaw by viewModel.proxyDebugRaw.collectAsStateWithLifecycle()
     val proxyModels by viewModel.proxyModels.collectAsStateWithLifecycle()
+    val selectedProxy by viewModel.selectedProxy.collectAsStateWithLifecycle()
     val proxyModel by viewModel.proxyModel.collectAsStateWithLifecycle()
     var showLanguageDialog by remember { mutableStateOf(false) }
 
@@ -187,6 +188,9 @@ fun SettingsScreen(
                         error = proxyError,
                         debug = proxyDebug,
                         debugRaw = proxyDebugRaw,
+                        proxyTargets = viewModel.proxyTargets,
+                        selectedProxy = selectedProxy,
+                        onSelectProxy = viewModel::selectProxy,
                         models = proxyModels,
                         selectedModel = proxyModel,
                         onSelectModel = viewModel::selectProxyModel,
@@ -225,6 +229,9 @@ private fun ProxyGatewayCard(
     error: String?,
     debug: String?,
     debugRaw: String?,
+    proxyTargets: List<ProxyTarget>,
+    selectedProxy: ProxyTarget,
+    onSelectProxy: (ProxyTarget) -> Unit,
     models: List<TraeModelProvider.TraeModel>,
     selectedModel: String,
     onSelectModel: (String) -> Unit,
@@ -234,6 +241,7 @@ private fun ProxyGatewayCard(
     onTestWorkBuddy: () -> Unit
 ) {
     val context = LocalContext.current
+    var proxyMenuExpanded by remember { mutableStateOf(false) }
     var modelMenuExpanded by remember { mutableStateOf(false) }
     Card(
         modifier = Modifier.fillMaxWidth(),
@@ -284,6 +292,36 @@ private fun ProxyGatewayCard(
                         Text("测试 WorkBuddy 流")
                     }
                 }
+                Row(
+                    modifier = Modifier.padding(top = 4.dp),
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    Text(
+                        text = "代理",
+                        style = MaterialTheme.typography.labelSmall,
+                        color = InkMuted
+                    )
+                    Spacer(modifier = Modifier.width(8.dp))
+                    Box {
+                        TextButton(onClick = { proxyMenuExpanded = true }) {
+                            Text(selectedProxy.label + " ▾")
+                        }
+                        DropdownMenu(
+                            expanded = proxyMenuExpanded,
+                            onDismissRequest = { proxyMenuExpanded = false }
+                        ) {
+                            proxyTargets.forEach { t ->
+                                DropdownMenuItem(
+                                    text = { Text(t.label) },
+                                    onClick = {
+                                        onSelectProxy(t)
+                                        proxyMenuExpanded = false
+                                    }
+                                )
+                            }
+                        }
+                    }
+                }
                 Row(
                     modifier = Modifier.padding(top = 4.dp),
                     verticalAlignment = Alignment.CenterVertically

app/src/main/java/com/rainy/token/ui/settings/SettingsViewModel.kt

@@ -8,6 +8,7 @@ import com.rainy.token.data.proxy.ProxyUpstreamStream
 import com.rainy.token.data.proxy.ProxyServerConfig
 import com.rainy.token.data.proxy.TraeChatProxy
 import com.rainy.token.data.proxy.TraeModelProvider
+import com.rainy.token.data.proxy.WorkBuddyModelProvider
 import com.rainy.token.data.proxy.WorkBuddyChatProxy
 import com.rainy.token.data.repository.CredentialRepository
 import com.rainy.token.domain.model.CredentialStatus
@@ -41,6 +42,7 @@ class SettingsViewModel @Inject constructor(
     private val traeChatProxy: TraeChatProxy,
     private val workBuddyChatProxy: WorkBuddyChatProxy,
     private val traeModelProvider: TraeModelProvider,
+    private val workBuddyModelProvider: WorkBuddyModelProvider,
 ) : ViewModel() {
 
     private val _uiState = MutableStateFlow(SettingsUiState())
@@ -76,23 +78,56 @@ class SettingsViewModel @Inject constructor(
     private val _proxyDebugRaw = MutableStateFlow<String?>(null)
     val proxyDebugRaw: StateFlow<String?> = _proxyDebugRaw.asStateFlow()
 
-    /** Trae 可用模型列表（内置兜底 + 在线拉取账号模型）。 */
+    /** 代理目标（用于测试和模型选择；真实转发仍由 ProviderRouter 自动路由）。 */
-    val proxyModels: StateFlow<List<TraeModelProvider.TraeModel>> = traeModelProvider.models
+    val proxyTargets: List<ProxyTarget> = ProxyTarget.entries
 
-    /** 当前选择的 Trae 默认模型。 */
+    private val _selectedProxy = MutableStateFlow(ProxyTarget.TRAE_CN)
-    private val _proxyModel = MutableStateFlow(traeModelProvider.selectedModel)
+    val selectedProxy: StateFlow<ProxyTarget> = _selectedProxy.asStateFlow()
+
+    private val _proxyModels = MutableStateFlow<List<TraeModelProvider.TraeModel>>(traeModelProvider.models.value)
+    val proxyModels: StateFlow<List<TraeModelProvider.TraeModel>> = _proxyModels.asStateFlow()
+
+    private val _proxyModel = MutableStateFlow(traeModelProvider.selectedFor(ProviderRegion.CN))
     val proxyModel: StateFlow<String> = _proxyModel.asStateFlow()
 
-    /** 切换 Trae 默认模型并持久化。 */
+    /** 切换当前测试目标代理。 */
+    fun selectProxy(target: ProxyTarget) {
+        _selectedProxy.value = target
+        val region = target.region()
+        _proxyModels.value = when (target) {
+            ProxyTarget.TRAE_CN, ProxyTarget.TRAE_INTL -> traeModelProvider.models.value
+            else -> workBuddyModelProvider.models.value
+        }
+        _proxyModel.value = when (target) {
+            ProxyTarget.TRAE_CN, ProxyTarget.TRAE_INTL -> traeModelProvider.selectedFor(region)
+            else -> workBuddyModelProvider.selectedFor(region)
+        }
+    }
+
+    /** 切换当前代理的测试模型并持久化。 */
     fun selectProxyModel(id: String) {
-        traeModelProvider.setSelectedModel(id)
+        val target = _selectedProxy.value
+        val region = target.region()
+        when (target) {
+            ProxyTarget.TRAE_CN, ProxyTarget.TRAE_INTL -> traeModelProvider.setSelectedFor(region, id)
+            else -> workBuddyModelProvider.setSelectedFor(region, id)
+        }
         _proxyModel.value = id
     }
 
-    /** 拉取当前账号可用的 Trae 模型列表。 */
+    /** 拉取当前代理可用模型；失败保留内置列表。 */
     fun refreshProxyModels() {
+        val target = _selectedProxy.value
+        val region = target.region()
         viewModelScope.launch {
-            val ok = traeModelProvider.refreshFor(ProviderRegion.CN)
+            val ok = when (target) {
+                ProxyTarget.TRAE_CN, ProxyTarget.TRAE_INTL -> traeModelProvider.refreshFor(region)
+                else -> workBuddyModelProvider.refreshFor(region)
+            }
+            _proxyModels.value = when (target) {
+                ProxyTarget.TRAE_CN, ProxyTarget.TRAE_INTL -> traeModelProvider.models.value
+                else -> workBuddyModelProvider.models.value
+            }
             if (!ok) _proxyDebug.value = "模型列表更新失败（当前显示内置列表）"
         }
     }
@@ -102,7 +137,7 @@ class SettingsViewModel @Inject constructor(
         viewModelScope.launch {
             _proxyDebug.value = "正在请求 Trae CN 流..."
             _proxyDebugRaw.value = null
-            val model = traeModelProvider.selectedModel
+            val model = traeModelProvider.selectedFor(ProviderRegion.CN)
             val body = """{"model":"$model","stream":true,"messages":[{"role":"user","content":"只回复OK两个字"}],"max_tokens":100}"""
             try {
                 val stream = traeChatProxy.openStreamingChat(body, null, ProviderRegion.CN)
@@ -132,7 +167,8 @@ class SettingsViewModel @Inject constructor(
         viewModelScope.launch {
             _proxyDebug.value = "正在请求 WorkBuddy CN 流..."
             _proxyDebugRaw.value = null
-            val body = """{"model":"glm-5.2","stream":true,"messages":[{"role":"user","content":"只回复OK两个字"}],"max_tokens":100}"""
+            val model = workBuddyModelProvider.selectedFor(ProviderRegion.CN)
+            val body = """{"model":"$model","stream":true,"messages":[{"role":"user","content":"只回复OK两个字"}],"max_tokens":100}"""
             try {
                 val stream = workBuddyChatProxy.openStreamingChat(body, null, ProviderRegion.CN)
                 if (stream == null) {
@@ -313,6 +349,18 @@ class SettingsViewModel @Inject constructor(
     }
 }
 
+enum class ProxyTarget(val key: String, val label: String) {
+    TRAE_CN("trae_cn", "Trae CN"),
+    TRAE_INTL("trae_intl", "Trae INTL"),
+    WORKBUDDY_CN("wb_cn", "WorkBuddy CN"),
+    WORKBUDDY_INTL("wb_intl", "WorkBuddy INTL");
+
+    fun region(): ProviderRegion = when (this) {
+        TRAE_CN, WORKBUDDY_CN -> ProviderRegion.CN
+        else -> ProviderRegion.INTL
+    }
+}
+
 data class StreamProbeResult(
     val summary: String,
     val raw: String,