From c843abf8b17eea0e3abb6eae4d95e06b48e0ae03 Mon Sep 17 00:00:00 2001
From: Joseph Doherty <dohejw01@gmail.com>
Date: Wed, 3 Jun 2026 15:59:31 -0400
Subject: [PATCH] =?UTF-8?q?docs(audit):=20drivers/FOCAS.md=20=E2=80=94=20a?=
 =?UTF-8?q?ccuracy=20pass=20(no=20changes=20needed)?=
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All four dimensions verified against source:

STRUCTURAL: no rows in links-report.md; all 4 linked docs resolve:
  docs/v2/driver-specs.md, docs/v2/focas-version-matrix.md,
  docs/v2/implementation/focas-wire-protocol.md,
  docs/drivers/FOCAS-Test-Fixture.md.

STALE-STATUS: no date anchors, "blocked", "pending", "not yet", "will"
  or TODO phrases found.

CODE-REALITY (verified against src/Drivers/ZB.MOM.WW.OtOpcUa.Driver.FOCAS/):
  - IAlarmSource implemented at FocasDriver.cs:21
  - IWritable correctly returns BadNotWritable (read-only design)
  - All capability interfaces (IReadable, ITagDiscovery, ISubscribable,
    IHostConnectivityProbe, IPerCallHostResolver) match FocasDriver.cs:21
  - Wire/ directory: WireFocasClient.cs present
  - FocasCapabilityMatrix.cs present

INLINE COMPLETENESS: inventory-diff.md records FOCAS as the only
  fully-covered driver (overview + CLI + fixture) — no gaps to add.