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docs/architecture/_design-review.md

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 # Critical design review — Proxmox re-platform doc set
 
+> ✅ **RESOLVED (2026-06-08).** All findings folded into 01/02/03 + `proxmox-platform.md`
+> (Phase-3 spike run for B2/B3 → `tests/phase3-findings.md`). **Folded:** B1 (03 §4), B2
+> (03 §7/§8 + platform §4.7), B3 (03 §2/§3 + platform §3.6), S1 (03 §6/§8), S2 (03 §10/§11),
+> S3 (03 §7), S4 (01 §5/§7 + 02 + 03 §2), S5 (01 §7/§11 + 02 §6), S6 (02 §5), M1 (02 §3),
+> M2 (03 §7), M3 (03 §10), §6-residual (03 §6). Plus the two Phase-3 design updates:
+> provision-by-restore (03 §9) and the settled root-vs-API boundary (03 §3). **Deferred/none:**
+> no finding was deferred; the pre-existing open items (operator signing-key mechanics,
+> multi-tenant fairness, hub-side desired-state UX, golden-image refresh cadence) remain
+> flagged in 03 §13. This artifact can be deleted once confirmed.
+
 Working artifact. Review pass over `01-topology-and-trust.md`, `02-controller-module-map.md`,
 `03-host-agent.md`, `proxmox-platform.md`, and the Phase 0 / Phase 1-2 findings, grounded
 against the v0.33 source (`deploy-felhom-compose/controller/`). Every finding cites a