PRD.md §3.1 lists 10 P0 features for v1; cross-checking the actual code
against that table found three that are fully unimplemented despite being
required scope, not deferred PoC defaults:
- 단톡 따라잡기 (group catch-up summary) — one of only two v1 MVP
scenarios, currently 0%: no summary endpoint, no AI-service logic, no
client UI, and the "new conversation" dialog can't even create a group
(server already supports is_group + multiple user_ids).
- 관계별 페르소나 (relationship-tier tone, min. 2 tiers) — TwinSettings
only has AutonomyLevel, no tier concept anywhere.
- 스팸/도배 감지 — PRD explicitly calls this out as needing a v1-minimum
version for safety, not deferred; nothing implemented.
Added as roadmap.md §2.7 (workstream breakdown, priority A→B→C) and
deploy-checklist.md N4 Track C (mirrors Track A/B's format), cross-linked.
Explicitly scoped out image/file sending, read receipts, and typing
indicators as a separate "not proposed, PRD scope change needed" note,
since AGENTS.md requires calling out in-scope vs future-phase ideas.
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