TRACK ENDPOINT NEGATIVE TESTS RECEIPT Date: 2026-02-15 Owner: Hampus Scope: Production endpoint validation for /api/track (non-client, non-outcome) Target: - POST https://revivalops.com/api/track Observed statuses: - Valid allowlisted event + allowed origin: HTTP 204 - Unknown event (not on allowlist): HTTP 400 - Bad origin (cross-site): HTTP 403 Request shape used: - Content-Type: application/json - Body fields: version, event, path, ts - Origin header varied by test case Interpretation: - Endpoint accepts only expected telemetry events. - Endpoint rejects unknown event drift. - Endpoint enforces origin restrictions for browser-originated traffic. Labeling rules: - System test only. - Not a client engagement receipt. - Not an outcome claim.