test: migrate suites to e2e coverage layout

src/agents/pi-embedded-helpers.isautherrormessage.e2e.test.ts

@@ -0,0 +1,35 @@
+import { describe, expect, it } from "vitest";
+import { isAuthErrorMessage } from "./pi-embedded-helpers.js";
+import { DEFAULT_AGENTS_FILENAME } from "./workspace.js";
+
+const _makeFile = (overrides: Partial<WorkspaceBootstrapFile>): WorkspaceBootstrapFile => ({
+  name: DEFAULT_AGENTS_FILENAME,
+  path: "/tmp/AGENTS.md",
+  content: "",
+  missing: false,
+  ...overrides,
+});
+describe("isAuthErrorMessage", () => {
+  it("matches credential validation errors", () => {
+    const samples = [
+      'No credentials found for profile "anthropic:default".',
+      "No API key found for profile openai.",
+    ];
+    for (const sample of samples) {
+      expect(isAuthErrorMessage(sample)).toBe(true);
+    }
+  });
+  it("matches OAuth refresh failures", () => {
+    const samples = [
+      "OAuth token refresh failed for anthropic: Failed to refresh OAuth token for anthropic. Please try again or re-authenticate.",
+      "Please re-authenticate to continue.",
+    ];
+    for (const sample of samples) {
+      expect(isAuthErrorMessage(sample)).toBe(true);
+    }
+  });
+  it("ignores unrelated errors", () => {
+    expect(isAuthErrorMessage("rate limit exceeded")).toBe(false);
+    expect(isAuthErrorMessage("billing issue detected")).toBe(false);
+  });
+});