fix(i18n): add providerAdvanced i18n keys and fix failover toast parameter

- Add providerAdvanced.* i18n keys to en.json, zh.json, and ja.json
- Fix failover toggleFailed toast to pass detail parameter
- Remove Chinese fallback text from UI for English/Japanese users

src-tauri/src/mcp/opencode.rs

@@ -96,9 +96,7 @@ pub fn convert_to_opencode_format(spec: &Value) -> Result<Value, AppError> {
             result.insert("enabled".into(), json!(true));
         }
         _ => {
-            return Err(AppError::McpValidation(format!(
-                "Unknown MCP type: {typ}"
-            )));
+            return Err(AppError::McpValidation(format!("Unknown MCP type: {typ}")));
         }
     }
 

src-tauri/src/services/provider/live.rs

@@ -500,9 +500,7 @@ pub(crate) fn remove_opencode_provider_from_live(provider_id: &str) -> Result<()
 
     // Check if OpenCode config directory exists
     if !opencode_config::get_opencode_dir().exists() {
-        log::debug!(
-            "OpenCode config directory doesn't exist, skipping removal of '{provider_id}'"
-        );
+        log::debug!("OpenCode config directory doesn't exist, skipping removal of '{provider_id}'");
         return Ok(());
     }
 

src/i18n/locales/en.json

@@ -450,6 +450,22 @@
     "testFailed": "Speed test failed: {{error}}",
     "status": "Status: {{code}}"
   },
+  "providerAdvanced": {
+    "testConfig": "Model Test Config",
+    "useCustomConfig": "Use separate config",
+    "testConfigDesc": "Configure separate model testing parameters for this provider. Uses global settings when disabled.",
+    "testModel": "Test Model",
+    "testModelPlaceholder": "Leave empty to use global config",
+    "timeoutSecs": "Timeout (seconds)",
+    "testPrompt": "Test Prompt",
+    "degradedThreshold": "Degraded Threshold (ms)",
+    "maxRetries": "Max Retries",
+    "proxyConfig": "Proxy Config",
+    "useCustomProxy": "Use separate proxy",
+    "proxyConfigDesc": "Configure separate network proxy for this provider. Uses system proxy or global settings when disabled.",
+    "proxyUsername": "Username (optional)",
+    "proxyPassword": "Password (optional)"
+  },
   "codexConfig": {
     "authJson": "auth.json (JSON) *",
     "authJsonPlaceholder": "{\n  \"OPENAI_API_KEY\": \"sk-your-api-key-here\"\n}",

src/i18n/locales/ja.json

@@ -450,6 +450,22 @@
     "testFailed": "速度テストに失敗しました: {{error}}",
     "status": "ステータス: {{code}}"
   },
+  "providerAdvanced": {
+    "testConfig": "モデルテスト設定",
+    "useCustomConfig": "個別設定を使用",
+    "testConfigDesc": "このプロバイダーに個別のモデルテストパラメータを設定します。無効の場合はグローバル設定を使用します。",
+    "testModel": "テストモデル",
+    "testModelPlaceholder": "空白の場合はグローバル設定を使用",
+    "timeoutSecs": "タイムアウト（秒）",
+    "testPrompt": "テストプロンプト",
+    "degradedThreshold": "低下閾値（ミリ秒）",
+    "maxRetries": "最大リトライ回数",
+    "proxyConfig": "プロキシ設定",
+    "useCustomProxy": "個別プロキシを使用",
+    "proxyConfigDesc": "このプロバイダーに個別のネットワークプロキシを設定します。無効の場合はシステムプロキシまたはグローバル設定を使用します。",
+    "proxyUsername": "ユーザー名（任意）",
+    "proxyPassword": "パスワード（任意）"
+  },
   "codexConfig": {
     "authJson": "auth.json (JSON) *",
     "authJsonPlaceholder": "{\n  \"OPENAI_API_KEY\": \"sk-your-api-key-here\"\n}",

src/i18n/locales/zh.json

@@ -450,6 +450,22 @@
     "testFailed": "测速失败: {{error}}",
     "status": "状态码：{{code}}"
   },
+  "providerAdvanced": {
+    "testConfig": "模型测试配置",
+    "useCustomConfig": "使用单独配置",
+    "testConfigDesc": "为此供应商配置单独的模型测试参数，不启用时使用全局配置。",
+    "testModel": "测试模型",
+    "testModelPlaceholder": "留空使用全局配置",
+    "timeoutSecs": "超时时间（秒）",
+    "testPrompt": "测试提示词",
+    "degradedThreshold": "降级阈值（毫秒）",
+    "maxRetries": "最大重试次数",
+    "proxyConfig": "代理配置",
+    "useCustomProxy": "使用单独代理",
+    "proxyConfigDesc": "为此供应商配置单独的网络代理，不启用时使用系统代理或全局设置。",
+    "proxyUsername": "用户名（可选）",
+    "proxyPassword": "密码（可选）"
+  },
   "codexConfig": {
     "authJson": "auth.json (JSON) *",
     "authJsonPlaceholder": "{\n  \"OPENAI_API_KEY\": \"sk-your-api-key-here\"\n}",

src/lib/query/failover.ts

@@ -257,6 +257,7 @@ export function useSetAutoFailoverEnabled() {
         t("common.unknown", { defaultValue: "未知错误" });
       toast.error(
         t("failover.toggleFailed", {
+          detail,
           defaultValue: `操作失败: ${detail}`,
         }),
       );