Folds the 2026-06-26 vision-revision pressure-test into the canonical
docs. The spec moves from Proposed to Ratified; the decisions it produced
land in the docs it said it would amend, with ADRs recording each
load-bearing reversal.
- README.md: reframe north star (AI-era contact-center engine, not
Asterisk successor); persona; revised pillars (add data-ownership,
demote WASM, promote spend-control); update 'what it is/isn't'.
- ARCHITECTURE.md: replace three-plane framing with fused per-call
vertical + composable horizontal platform; remove control<->media
hot-path gRPC hop; make the agent tap the central interface; add
DX spine + GUI-as-API-client + k8s declarative/operational model.
Also: 'too slow to police' -> 'too slow to enforce' (terminology).
- PORT_PLAN.md: recharacterize as capability checklist (not template);
graduate contact-center capabilities to first-class domain; Rust-native
trunk SIP rows; WASM demoted; thin-slice + capability ladder phasing.
- ADR-0001: marked Superseded by ADR-0003.
- ADR-0002 (new): north star + fused per-call core.
- ADR-0003 (new): Rust-native trunk SIP, no SBC shield.
- ADR-0004 (new): GPL-3.0-or-later license.
- ADR-0005 (new): Valkey as event bus + state store.
- ADR-0006 (new): WebRTC-first ingress; SIP endpoint deferred.
- vision-revision spec: status -> Ratified 2026-06-26.
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