ci: add pull request quality gates

Co-Authored-By: gpt-5.6-terra <noreply@openai.com>

test/backends/api/auth-http.test.ts

@@ -92,7 +92,11 @@ describe("api backend: auth over HTTP", async () => {
     const self = await fetch(`${server.url}/auth/self`, {
       headers: { Cookie: `abode_session=${cookie}` },
     });
-    assert.equal(self.status, 401, "session was invalidated server-side, not just the cookie cleared");
+    assert.equal(
+      self.status,
+      401,
+      "session was invalidated server-side, not just the cookie cleared",
+    );
   });
 
   it("POST /auth/clear-sessions invalidates outstanding session cookies", async () => {