| Level | Description | |-------|-------------| | | Raw telemetry, time‑ordered, de‑commutated. | | Level‑1 | Calibrated event list (energy correction, gain, dead‑time). | | Level‑2 | Science products – light curves, spectra, sky maps; transient alerts. | | Level‑3 | Derived catalogs (GRB, magnetar, TDE). |
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| Criterion | Test | |-----------|------| | – When the author types ≥ 5 characters in title/abstract/body, the system returns up to 7 tag suggestions. | Unit test of the suggestion API mock; integration test verifying UI updates within 500 ms of keystroke. | | Relevance ranking – Suggestions are ordered by confidence score (high → low). | Verify that confidence scores are decreasing; manual spot‑check on a set of sample articles. | | Accept/reject UI – Each suggestion has an “Add” button and a “Dismiss” (X) button; keyboard shortcuts Enter (accept) and Esc (dismiss) work. | End‑to‑end UI test using Cypress/Playwright. | | Snippet preview – Hovering (or pressing ? ) on a suggestion shows a short snippet of the article where the term appears. | Visual regression test confirming tooltip content. | | No duplicate tags – Already‑assigned tags do not appear in the suggestion list. | Test with article pre‑populated with #science ; ensure science is not suggested again. | | Graceful fallback – If the NLP service is unavailable, the UI shows a non‑intrusive “Tag suggestions unavailable” banner and does not block publishing. | Simulated service outage; verify UI behavior and that publishing proceeds. | | Analytics logging – Each accept/reject event fires a POST to /api/analytics/tag‑suggestion with articleId, tag, action, and timestamp. | Mock server intercept; verify payload structure. | | Performance – End‑to‑end latency from keystroke to visible suggestions ≤ 800 ms on a typical 3G connection. | Lighthouse/Performance test suite. | | Accessibility – All suggestion controls are keyboard‑navigable, ARIA‑labelled, and pass WCAG 2.1 AA contrast checks. | Axe automated audit + manual screen‑reader test. | | Level | Description | |-------|-------------| | |
