| # | Requirement | Metric / Test | |---|-------------|---------------| | | Latency – suggestion API ≤ 300 ms (95th percentile) | Load test with 500 concurrent users | | NFR‑002 | Accuracy – ≥ 85 % of suggestions match the “gold‑standard” filter set generated by data‑science team | Offline evaluation on a held‑out dataset | | NFR‑003 | Accessibility – all interactive elements reachable via keyboard, ARIA‑labelled, WCAG 2.1 AA | Axe automated scan + manual testing | | NFR‑004 | Internationalisation – UI strings externalised, support for EN, ES, FR, DE | Regression test on locale switch | | NFR‑005 | Security – no injection via free‑text queries, all inputs sanitized | OWASP ZAP scanning | | NFR‑006 | GDPR – any saved Smart‑Searches stored with user consent flag; deletable on request | Data‑privacy audit |
| # | As a … | I want … | So that … | |---|--------|----------|-----------| | | End‑user (any role) | to type a free‑text query and instantly see a list of suggested filters (date range, status, numeric ranges, tags, custom fields) | I don’t have to manually add filters; I can get precise results faster. | | US‑002 | End‑user | to preview how many results each suggested filter will return before I apply it | I can decide whether a filter is worth using. | | US‑003 | End‑user | to apply a suggested filter with a single click and see the results instantly | My workflow stays fluid; I’m not interrupted by extra steps. | | US‑004 | End‑user | to undo any automatically applied filter (single “undo” button) | I can experiment without fear of losing data. | | US‑005 | Power‑user | to pin frequently used filter combinations as “Saved Smart‑Searches” | I can reuse complex queries with a single click. | | US‑006 | Data‑science / Product analyst | to see aggregate metrics on suggestion acceptance/rejection rates per user segment | We can measure the usefulness of the feature and feed it back into the ML model. | | US‑007 | Admin | to toggle the Smart‑Search feature on/off per tenant | We can roll it out gradually or disable it for customers that need a strict UI. | | US‑008 | End‑user | to get natural‑language help (e.g., “What does “last quarter” mean?” tooltip) | I understand the implicit logic behind the suggestions. | SONE-071
: For operational procedures or safety standards, ensuring that personnel have the necessary training and competence is crucial. SONE-071 might outline requirements for staff qualifications, training programs, and ongoing professional development. | # | Requirement | Metric / Test
For film enthusiasts on platforms like Letterboxd , these codes are often the primary way to identify "deep cut" or niche titles that may not have standardized English names. Production Style | | US‑004 | End‑user | to undo