fix: improve provider routing and assignments

src/app/api/providers/[id]/test/testUtils.js

@@ -102,9 +102,24 @@ const OAUTH_TEST_CONFIG = {
     },
     refreshable: false,
   },
+  freebuff: {
+    // The session endpoint doubles as the auth probe: GET never claims a
+    // session (POST would burn 1.0 unit of the daily quota). Mirrors the usage
+    // handler: 401 = bad token, 403 = region/account gate (token still valid),
+    // 404 = no session row yet (pre-join, token valid). No refresh path —
+    // when the authToken dies the user re-logs in.
+    url: "https://www.codebuff.com/api/v1/freebuff/session",
+    method: "GET",
+    authHeader: "Authorization",
+    authPrefix: "Bearer ",
+    extraHeaders: { Accept: "application/json", "User-Agent": "codebuff-cli/0.0.138" },
+    acceptStatuses: [403, 404],
+    softFailMessage: {
+      403: "Connected, but Freebuff is gated (403) — country blocked or account banned.",
+    },
+  },
   // Grok CLI / Grok Build — probe /v1/user (no inference quota). Headers mirror official CLI.
-  "grok-cli": {
-    url: PROVIDERS["grok-cli"]?.userUrl || "https://cli-chat-proxy.grok.com/v1/user",
+  "grok-cli": {    url: PROVIDERS["grok-cli"]?.userUrl || "https://cli-chat-proxy.grok.com/v1/user",
     method: "GET",
     authHeader: "Authorization",
     authPrefix: "Bearer ",