session 2026-07-25: Chamber-as-versioned-releases governing frame (steward reframe) + pulling-thread re-point

claude/memory/MEMORY.md

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 ## Canonical Workstream Trackers
 *Read the tracker for any active workstream at /wake-up before composing the briefing. Append substantive moves at /wrap-up. Per `feedback-canonical-workstream-tracker-discipline.md`.*
+- **[Chamber as versioned releases (the governing frame)](project-chamber-versioned-releases.md) — steward reframe 2026-07-25: the full 2000-year Chamber (incl. image-based Warburg/Jung, Berger, Alexander) is the HORIZON; realize it as versioned releases with soft borders — "Chamber V1 = constitution vX + engine vY + a bounded voice-set, serving a specific PURPOSE" (Making Sequence · violin/XXI-century treatise · ARC). Purpose-first re-bounds the library work: the V-TEXT wave needn't all clear for V1. PENDING-75 kind-scoping = the enabler of additive version growth. Scope every library bite through this. Open decision: which purpose anchors V1.**
 - [MemPalace wind-down](project-mempalace-winddown.md) — DONE (steward 2026-07-07): `palace-memory` wound down, wake/wrap rewired to the files layer; KG exported (`knowledge-graph.jsonl`). Typography palace KEPT (separate instance).
 - [ARC open-work register](project-arc-open-work-register.md) — **the single code-verified source of truth for what is OPEN on ARC** (post-Stage-G, built 2026-06-11). Read THIS for remaining ARC work (A1 Vignette, A2 cul-de-lampe, content sweeps, Phase-2/held set, REVIEWED-placement debt), not the chronological tracker.
 - [ARC](project-arc-rework.md) — canonical ARC workstream tracker (chronological record 2026-04-16 →). **Status: STAGE G DONE/SEALED (GPG `ac0a7ee`, 2026-06-10) — reactive mode governs.** Open work → [[project-arc-open-work-register]] (A1 Vignette · A2 cul-de-lampe · content sweeps · Phase-2 held set). Chronological detail in the tracker file.