Add HTTP token-runtime coverage and fix gate tests for tokenless config

webui/src/locales/en.json

@@ -49,8 +49,8 @@
         "delete": "Delete",
         "copy": "Copy",
         "generate": "Generate",
-        "test": "Test",
-        "testing": "Testing...",
+        "test": "Refresh token",
+        "testing": "Refreshing...",
         "loading": "Loading..."
     },
     "messages": {
@@ -93,8 +93,8 @@
         "deleteKeyConfirm": "Are you sure you want to delete this API key?",
         "deleteAccountConfirm": "Are you sure you want to delete this account?",
         "invalidIdentifier": "Invalid account identifier. Operation aborted.",
-        "testAllConfirm": "Test API connectivity for all accounts?",
-        "testAllCompleted": "Completed: {success}/{total} available",
+        "testAllConfirm": "Refresh all account tokens and verify login?",
+        "testAllCompleted": "Completed: {success}/{total} refreshed",
         "testFailed": "Test failed: {error}",
         "available": "Available",
         "inUse": "In use",
@@ -110,9 +110,9 @@
         "noApiKeys": "No API keys found.",
         "accountsTitle": "DeepSeek Accounts",
         "accountsDesc": "Manage the DeepSeek account pool",
-        "testAll": "Test all",
+        "testAll": "Refresh all tokens",
         "addAccount": "Add account",
-        "testingAllAccounts": "Testing all accounts...",
+        "testingAllAccounts": "Refreshing tokens for all accounts...",
         "sessionActive": "Session active",
         "reauthRequired": "Re-auth required",
         "testStatusFailed": "Last test failed",
@@ -150,7 +150,7 @@
         "missingApiKey": "Please provide an API key.",
         "requestFailed": "Request failed.",
         "networkError": "Network error: {error}",
-        "testSuccess": "{account}: Test successful ({time}ms)",
+        "testSuccess": "{account}: Token refresh successful ({time}ms)",
         "config": "Configuration",
         "modelLabel": "Model",
         "streamMode": "Streaming",