| UC-01 | Visitor tries the search teaser, hits the signup CTA | Start → |
| UC-02 | Pricing → free account → verify → first search | Start → |
| UC-03 | Search, reveal 3 records, re-view free | Start → |
| UC-04 | Build a list, export CSV with cost preview | Start → |
| UC-05 | Company profile and email pattern reveal | Start → |
| UC-06 | Credit exhaustion → paywall → top-up | Start → |
| UC-07 | Free → Growth upgrade with annual toggle | Start → |
| UC-08 | Invite a teammate who shares the credit pool | Start → |
| UC-09 | Create an API key, shown once | Start → |
| UC-10 | API usage dashboard with 429 events | Start → |
| UC-11 | Payment failure → restricted mode → fixed | Start → |
| UC-12 | Bulk CSV import with bad rows | Start → |
| UC-13 | Manual entry with live duplicate warning | Start → |
| UC-14 | Dedup queue: field diff and merge | Start → |
| UC-15 | Opt-out request → suppress → gone from search | Start → |
| UC-16 | AppendCentral bulk match job | Start → |
| UC-17 | Org management and credit adjustment | Start → |
| UC-18 | Plan master edit with versioning | Start → |
| UC-19 | Revoke a leaked customer key | Start → |
| UC-20 | Audit log filtered to merges | Start → |
| B-01 | Sign in, forgot password, 5-fail lockout | Start → |
| B-02 | Customer dashboard | Start → |
| B-03 | Saved search with new-match badge | Start → |
| B-04 | Internal dashboard | Start → |
| B-05 | Internal full-access browser | Start → |
| B-06 | Notification centre | Start → |
| B-07 | Developer docs with code tabs | Start → |
| B-08 | Settings masters and visibility rules | Start → |