diff --git a/.claude/cos/adrs/ADR-012-websocket-transport-v4.md b/.claude/cos/adrs/ADR-012-websocket-transport-v4.md
index 89384f9..22d174f 100644
--- a/.claude/cos/adrs/ADR-012-websocket-transport-v4.md
+++ b/.claude/cos/adrs/ADR-012-websocket-transport-v4.md
@@ -1,7 +1,7 @@
 # ADR-012: WebSocket JSON-RPC 2.0 Transport for v4.0.0 (Rivendell)
 
 **Date**: 2026-08-29
-**Status**: Draft — design decided and live-verified against `.91`, `.92` (25.10.x), and `.92` again on 25.04.2.6, closing the last acknowledged gap; pending Kevin's sign-off to mark Accepted
+**Status**: Accepted (2026-08-31) — design decided and fully live-verified: every read and write API call the WebSocket transport makes has been confirmed against real TrueNAS SCALE hosts (`.91`, `.92` across 25.10.x and 25.04.2.6)
 **Deciders**: Kevin Adams
 
 ## Context
diff --git a/.claude/cos/adrs/README.md b/.claude/cos/adrs/README.md
index 132fdad..187e6db 100644
--- a/.claude/cos/adrs/README.md
+++ b/.claude/cos/adrs/README.md
@@ -34,5 +34,5 @@ ADRs document significant decisions made about this project. They follow an RFC-
 | [ADR-009](ADR-009-pve-version-support-v3.md) | PVE Version Support Matrix — v3.x and v4.0 Versioning Strategy | Accepted |
 | [ADR-010](ADR-010-apt-dist-tracks.md) | APT Repository Dist Tracks — Per-Major-Version Isolation | Accepted |
 | [ADR-011](ADR-011-apt-components-optional-features.md) | APT Components for Optional Feature Packages | Accepted |
-| [ADR-012](ADR-012-websocket-transport-v4.md) | WebSocket JSON-RPC 2.0 Transport for v4.0.0 (Rivendell) | Draft |
+| [ADR-012](ADR-012-websocket-transport-v4.md) | WebSocket JSON-RPC 2.0 Transport for v4.0.0 (Rivendell) | Accepted |
 | [ADR-013](ADR-013-branching-strategy.md) | Role-Based Branching Strategy | Accepted |