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rvoip — Gap Plan (outstanding work)

v1 surface closed 2026-05-26. All [V1] gap rows and phases P1–P12 landed, and the v2.A + v2.B architectural round shipped (carve rvoip-core-traits to break the dep cycle; per-tenant Semaphore admission). All workspace lib tests pass.

This document was trimmed (2026-06-01) to track only what remains. The full phase-by-phase implementation history (P1–P12, v2.A/v2.B, the gap inventory, and the original roadmap) is in git history — git log --follow docs/GAP_PLAN.md.

Spec references point into the sibling design docs: INTERFACE_DESIGN.md, PRD.md, CONVERSATION_PROTOCOL.md.

Outstanding [V1.x] items

No tracked V1.x implementation gap from the June 2026 roadmap remains open in the current tree.

Recently closed [V1.x] items

# Item Status / next step Spec source
3.O.8 (follow-up) WebRTC DTMF (RFC 4733) decode Closed: rvoip-webrtc decodes PT-101 telephone-event frames on receive, emits AdapterEvent::Dtmf, and suppresses those packets from ordinary audio forwarding. CONVERSATION_PROTOCOL §7.5, §10.3
3.O.9 Inline envelope signatures enforced at adapter boundary Closed: QUIC, WebTransport, and WebSocket substrate adapters expose optional Sig9421Config; default remains disabled for compatibility. CONVERSATION_PROTOCOL §5.5.1
3.O.10 rvoip-vcon-postgres reference store Closed: optional rvoip-vcon-postgres crate ships typed rvoip_vcon::VconStore, SQL migration, content hashes, and an optional byte-store bridge for rvoip_core::store::VconStore. INTERFACE_DESIGN §11.5

Deferred backlog (per design docs — no work proposed yet)

Tracked for visibility only. When one is taken up, add a phase to this doc.

Item Label Spec source
AAuth production hardening (gated aauth-experimental; the validator already landed) [V1.x] INTERFACE_DESIGN §2.4, §8.5
RFC 9421 default-on per-request signing [V1.x] INTERFACE_DESIGN §2.4
DTLS-SRTP fingerprint binding default-on [V1.x] INTERFACE_DESIGN §8.4
conversation.update for policy change [V1.x] CONVERSATION_PROTOCOL §7.1
Multi-party UCTP beyond N=2 via SFU adapter [V2] PRD §5; INTERFACE_DESIGN §2.4
SIP-over-QUIC / RoQ / MoQ adapters [V2] INTERFACE_DESIGN §2.5
Lyra V2 over UCTP and SIP/RTP, with a Lyra-over-RoQ end-to-end proof [V2] ../ROADMAP.md; INTERFACE_DESIGN §2.5

The earlier rvoip-websocket [V1.x] deferral is closed — the substrate shipped at crates/uctp/rvoip-websocket.

Resolved design questions

The four v1 open questions were all decided as-shipped, and are recorded here so they're not re-opened:

  1. rvoip-harness spin-off — spun off as a separate crate (the seam was the point).
  2. rvoip-identity spin-off — shipped as a separate crate with a no-op BearerProvider; the IdentityProvider trait stays in rvoip-core::identity.
  3. Tenant scoping — P6 landed multi-tenant data isolation per process (registries + per-tenant quota).
  4. vCon production wiring — P3 emits validated unsigned vCons by default. rvoip-vcon exposes opt-in JWS General JSON signing and signature appending; automatic tenant-key selection is not wired, and JWE is absent. Production key policy and confidentiality remain [V1.x] roadmap items.