docs: truth sweep — retire stale registers, reconcile ledgers with shipped state

- deferred.md: DELETED (git rm) — stale 2026-07-10 duplicate of the canonical
  deferred-work register; this completes archreview R2-08 T11 (the file was
  tracked, not untracked as the task assumed)
- ScadaBridge-docs-issues.md, ScadaBridge-docs-fixed.md: DELETED (git rm) —
  generated 2026-07-10 CommentChecker reports, already consumed; completes
  R2-08 T13 (also tracked, not untracked)
- stillpending.md: prepended historical-snapshot banner (2026-06-15 audit;
  Tier-1 table is not current open work)
- docs/plans/phase-8-checklist.md: replaced the unevidenced 'Complete / All
  passing' stub with the honest state per register row 25 (WP-4 target-scale
  load test never run)
- archreview/plans/00-MASTER-TRACKER.md: R2-01 T2 live failover drill
  annotated RESOLVED 2026-08-01 (PLAN-R2-01 T4 + docker/failover-drill.sh +
  SbrFailoverTests); R2-08 T11/T13 recorded completed by this sweep
- docs/plans/2026-07-22-clusterclient-to-grpc-plan.md: P3 deferred-RPCs note
  updated (all four live-proven 2026-08-01, 1c99d6fa); ClusterClientSiteAuditClient
  naming follow-up marked DONE (63c16d69)
- docs/plans/2026-05-28-opcua-tag-browser.md.tasks.json: Task 19 flipped to
  completed (manual smoke PASS 2026-08-01, 6dc5d94c)
- archreview/plans/PLAN-R2-0[1-8]*.tasks.json: all-pending manifests reconciled
  with the authoritative tracker (round 2 merged @ 1930f19b) — flipped to
  completed except R2-08 T1/T2 which remain pending needs-user
- docs/operations/2026-07-16-secrets-clustered-master-key.md: correction banner
  (SQL-hub replication shipped 8e12f994; KEK-rotation + clustered-secrets
  runbooks ship with ZB.MOM.WW.Secrets)
- docs/plans/2026-07-19-localdb-phase2-live-gate.md: external-system-delete
  observation annotated RESOLVED (2d03f2d5 reconciles deletions incl.
  external_systems)

Claude-Session: https://claude.ai/code/session_014WNM4vjoVksyyBraTXSZE1

stillpending.md

@@ -1,5 +1,14 @@
 # ScadaBridge — Pending / Deferred / Partial / Missing Functionality Audit
 
+> **⚠️ HISTORICAL SNAPSHOT — DO NOT READ AS CURRENT OPEN WORK.**
+> **Update 2026-08-07 (truth sweep):** This file is the 2026-06-15 full-system audit
+> snapshot that fed the `stillpending` phase1/m2 implementation plans and the
+> subsequent archreview rounds (cycle 1 + round 2). Much of what its tables list —
+> including the entire Tier-1 "silent gaps" table — has since been implemented or
+> superseded. It is preserved as the historical record of that audit only. For the
+> current state of deferred/open work, consult the canonical register:
+> `docs/plans/2026-07-08-deferred-work-register.md`.
+
 **Date:** 2026-06-15
 **Scope:** Full system — design specs (`docs/requirements/`), all of `src/`, the Central UI / CLI / Management Service surfaces, and the plan/checklist archive (`docs/plans/`).
 **Method:** Five parallel read-only investigators, each verifying doc claims against actual code (file:line evidence). Top findings were independently corroborated by 2+ agents.