Dev-only. Flips ALTOMATEHR_INTEGRATION_TEST_MODE for this running server process — takes effect immediately, no restart. Resets to whatever .env says next time the server restarts.
ALTOMATE_BASE_URL and ALTOMATE_CLIENT_SECRET are set — calling the real AltomateHR API.
In stub mode: use Test accountsto sign in as any of the 5 stub identities — Appraisify is launch-only, there's no password form.