Meetcute — Values-Based Dating App

mobile_product

Traceability matrix

Which elements satisfy which requirements. Hover a row to highlight all elements satisfying that requirement; hover a column to highlight all requirements that element satisfies. Orphan requirements (⚠) need a satisfying element to be considered complete.

SEBoK trace chain coverage

Stakeholders with needs

10/ 2111 gap

Needs addressed by reqs

13/ 207 gap

Reqs traced to a need

13/ 196 gap

Reqs satisfied by elem

14/ 195 gap

12 / 20 needs have a complete chain all the way to a satisfying element. 8 need(s) break the chain somewhere.

74% req → element coverage — 14 satisfied, 5 orphan

Show upstream NeedHide elements that satisfy nothing

Requirement	Upstream need	Profile Editor	Settings	User Service	Match Service	Chat Service	Notification Service	Moderation Service	Payment Service	Match Scoring Model	Onboarding Flow	Match Feed	Chat Screen	Persona (KYC + liveness API)
REQ-001functionalP1 Match feed returns ≥10 profiles within 200ms	I want matches who actually share my values, not just look attractive — User: professional, 25-35
REQ-002functionalP1 Block + report in ≤2 taps	I want to feel safe — confidence that profiles are real and bad actors get banned — User: professional, 25-35 I need to ban a confirmed bad actor across all platforms within an hour — Trust & Safety Lead
REQ-003functionalP1 End-to-end encrypted messaging	I want my data not sold to advertisers or data brokers — User: professional, 25-35 I need to train models without exposing user PII (no plaintext messages or DOBs in training corpus) — ML Engineer
REQ-004functionalP1 Inclusive gender identity picker (≥10 options)	I want my actual gender identity respected (not forced to pick from male/female) — User: LGBTQ+
REQ-005functionalP1 Photo liveness verification within 24h	I want to feel safe — confidence that profiles are real and bad actors get banned — User: professional, 25-35
REQ-006functionalP2 Match score explainability	I want to understand why a match was suggested, not be matched by a black-box algorithm — User: professional, 25-35 I need transparency about the matching algorithm under the EU DSA — Lead GDPR Supervisory Authority (Irish DPC)
REQ-007functionalP2 Push notification quiet hours	I don't want push notifications late at night — User: 50+
REQ-008non functionalP1 Cold start ≤3s on mid-range devices	no upstream need
REQ-009non functionalP2 99.5% uptime SLA	no upstream need
REQ-010non functionalP3 App install size ≤80 MB	no upstream need
REQ-011constraintP3 Profile bio max 500 characters	no upstream need
REQ-012constraintP1 Premium subscription only via IAP	I require all in-app digital purchases to go through IAP (App Store Guideline 3.1.1) — Apple App Review
REQ-013regulatoryP1 GDPR Article 17 — right to be forgotten	I need data export and deletion within 30 days of user request — Lead GDPR Supervisory Authority (Irish DPC)
REQ-014regulatoryP1 GDPR Article 20 — data portability	I need data export and deletion within 30 days of user request — Lead GDPR Supervisory Authority (Irish DPC)
REQ-015regulatoryP1 App Store Guideline 5.1 — data minimization	I require data collection categories to be accurately disclosed in App Store privacy nutrition label — Apple App Review
REQ-016regulatoryP1 KOSA — under-18 prevention	I require effective age verification to keep under-18 users off the platform — US FTC / KOSA enforcement
REQ-017regulatoryP1 California CCPA — 'Do Not Sell My Info' link	no upstream need
REQ-018regulatoryP2 EU DSA — algorithmic transparency disclosure	I need transparency about the matching algorithm under the EU DSA — Lead GDPR Supervisory Authority (Irish DPC)
REQ-019regulatoryP2 Twilio AUP — SMS rate limiting	no upstream need

Each ● is a satisfies connection from an element to a requirement. Orphan requirements (⚠) have no satisfying element — typically a gap to close before review.