refactor(errors): classify auth and browser failures

src/data/services/api/__tests__/http_client.test.ts

@@ -5,6 +5,7 @@ import memoryDriver from "unstorage/drivers/memory";
 import { AuthStorage } from "@/data/storage/auth";
 import { SpAsyncUtil } from "@/utils";
 
+import { ErrorCode } from "../api_result";
 import { createHttpClient } from "../http_client";
 
 function jsonResponse(body: unknown, init?: ResponseInit): Response {
@@ -86,4 +87,61 @@ describe("createHttpClient", () => {
       "Bearer new-login-token",
     ]);
   });
+
+  it("rejects with an API unauthorized error when no refresh token exists", async () => {
+    const authStorage = AuthStorage.getInstance();
+    await authStorage.setLoginToken("old-login-token");
+
+    const fetchMock = vi.fn<typeof fetch>(async () =>
+      jsonResponse(
+        { message: "expired" },
+        { status: ErrorCode.httpUnauthorized, statusText: "Unauthorized" },
+      ),
+    );
+    vi.stubGlobal("fetch", fetchMock);
+
+    const http = createHttpClient();
+    await expect(http("/api/chat/history")).rejects.toMatchObject({
+      name: "ApiError",
+      code: "HTTP_UNAUTHORIZED",
+      status: ErrorCode.httpUnauthorized,
+      message: "No refresh token available",
+    });
+
+    expect(fetchMock).toHaveBeenCalledTimes(1);
+  });
+
+  it("rejects with API status context when token refresh fails", async () => {
+    const authStorage = AuthStorage.getInstance();
+    await authStorage.setLoginToken("old-login-token");
+    await authStorage.setRefreshToken("refresh-token");
+
+    const fetchMock = vi.fn<typeof fetch>(async (input) => {
+      const url = new URL(input instanceof Request ? input.url : String(input));
+      if (url.pathname === "/api/auth/refresh") {
+        return jsonResponse(
+          { message: "refresh broken" },
+          { status: ErrorCode.httpServerError, statusText: "Server Error" },
+        );
+      }
+      return jsonResponse(
+        { message: "expired" },
+        { status: ErrorCode.httpUnauthorized, statusText: "Unauthorized" },
+      );
+    });
+    vi.stubGlobal("fetch", fetchMock);
+
+    const http = createHttpClient();
+    await expect(http("/api/chat/history")).rejects.toMatchObject({
+      name: "ApiError",
+      code: "HTTP_SERVER_ERROR",
+      status: ErrorCode.httpServerError,
+      message: "Refresh failed",
+    });
+
+    expect(fetchMock.mock.calls.map((call) => callUrl(call).pathname)).toEqual([
+      "/api/chat/history",
+      "/api/auth/refresh",
+    ]);
+  });
 });