# Milestone P · Phase 2 — P1 Concierge Alpha **Objective:** deliver a narrow, high-quality `Today Brief` experience that users find useful and controllable every day. ## Success Criteria - Daily ranked brief is live for pilot cohort. - Reason labels and source links present for each card. - Immediate adaptation after negative feedback visible on next refresh. - Time-budget mode (`5/10/20`) in active usage. - Weekly active usage confirms repeat behavior. **Dependencies:** P0 completed, M1 complete, M2 partial. **Blocked by:** validated user segment from P0. **Unblocks:** P2 Productized Beta. ## Task Index | # | Task | Delivers | Depends On | Complexity | |---|------|----------|------------|------------| | 01 | Briefing UX and Reason Labels | card UI spec, reasons taxonomy, source exposure rules | None | M | | 02 | Feedback Loop UX | controls and immediate-reflection behavior | Task 01 | M | | 03 | Quality and Diversity Baseline | quality gates and diversity constraints in top results | Task 02 | M |