docs: D‑V1‑GRACE‑CARVINGS — the sanctioned V3 waiting room for un-migrated V1 classes (lance-graph mirror)

CLAUDE.md

@@ -24,6 +24,16 @@
 > `docs/V3-TRANSPILER-ADR.md` RFC→adopted; reconcile `ogar-fma-skeleton::Guid`
 > classid 2→4 (F-2); invert `docs/NODEGUID-CANON-AUDIT.md` F-3 (see its dated note).
 
+> **Grace-period amendment (operator, 2026-07-13 — D‑V1‑GRACE‑CARVINGS):**
+> an un-migrated class does NOT crash — it gets a **legal V3 waiting room**:
+> three **wide contiguous** carvings of the same 96-bit content-blind register
+> (G1 `3×u16+2×u24` / G2 `4×u24` / G3 `3×u32`), **strongly discouraged if
+> god-object-related or lacking proper bucket rollover; migrate to
+> cosine-replacement palette256 (L4)**. Not a tail revival — one register read
+> coarsely; the V1 `family:identity` u24 fragment is the degenerate G1/G2 case.
+> Code home: lance-graph `lance_graph_contract::legacy_outliers`; catalogue:
+> `le-contract.md` §3a; ledger: `docs/DISCOVERY-MAP.md` D‑V1‑GRACE‑CARVINGS.
+
 ```
 xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
 classid    HEEL   HIP    TWIG   family-basin-leaf(6) + identity(6)  ← V1-LEGACY tail (read-only; new units use the V3 4+12 facet, above)

docs/DISCOVERY-MAP.md

@@ -131,6 +131,7 @@ two halves of a cell. ADR‑026 names the cascade that ties them.
 | D‑GUID‑TIER | The brutal uniform **`[256:256]` `[container:member]`** GUID (scale‑free: galaxy:planet … residue:atom); HhtlMode **Located** (Cesium 3D‑octree CRS) vs **Cascade** (self‑speaking ontology path); leaf = familyNode:identity. 3D‑octree HEEL/HIP (`morton3`), the ModalityProjection contract (ViT/X‑ray/US×Doppler `register`+`project` by Guid). 12+4 EdgeBlock removed (superseded by family nodes). | G | CODED | `crates/ogar-fma-skeleton/{guid,morton,projection}.rs` | D‑FMA‑SKELETON, D‑MORTON |
 | D‑NODEGUID‑AUDIT | Group‑by‑group audit of the FMA tier `Guid` vs lance‑graph `NodeGuid` (canon rule: wrappers audited against OGAR). **Caught F‑1: lance‑graph `CLASSID_FMA=0x0901` aliases OGAR `patient`** — this session's `0x0A` Anatomy domain resolves it. Also: classid/family/identity width + endianness + EdgeBlock divergences, each with a reconciliation. | G | CODED | `docs/NODEGUID-CANON-AUDIT.md` | D‑GUID‑TIER; lance‑graph `canonical_node.rs` |
 | D‑V1‑TAIL‑RETIRED | **MIGRATION MANDATORY (operator, 2026‑07‑04):** the flat `family:u24 ++ identity:u24` V1 tail is **FORBIDDEN for new units.** V3 is the content‑blind `classid(4) + 12B` facet — 12B an axis‑grouped register (`6×(u8:u8)` / `4×(u8:u8:u8)` / `3×(u8:u8:u8:u8)`), the ClassView holds every reading at once (`part_of:is_a` / `X:Y` / `palette256²` / `segment:taxonomy` / typed) and `u8:u8` is **never widened** (u16 = the deprecated V2 flat read; u24 = V1). A flat u24 has no axis → cannot carry a rail. Append‑only: u24 stays read‑only for pre‑flip GUIDs. Producer already V3: `ruff_spo_address::Facet` via `ogar‑from‑ruff`. Regrades D‑NODEGUID‑AUDIT F‑3; pin superseded in `CLAUDE.md` P0. | G | RULING | `CLAUDE.md` P0 (regraded) + `docs/NODEGUID-CANON-AUDIT.md` F‑3 (inverted) + `docs/V3-TRANSPILER-ADR.md` | D‑NODEGUID‑AUDIT; D‑GUID‑TIER; lance‑graph `E‑V3‑FACET‑4‑PLUS‑12` |
+| D‑V1‑GRACE‑CARVINGS | **Grace‑period amendment to D‑V1‑TAIL‑RETIRED (operator, 2026‑07‑13):** an un‑migrated class gets a **legal V3 waiting room instead of a crash** — three **wide contiguous** carvings of the same 96‑bit content‑blind register: G1 `3×u16 + 2×u24` / G2 `4×u24` / G3 `3×u32`. **Strongly discouraged if god‑object‑related or lacking proper bucket rollover; migrate to cosine‑replacement palette256 (L4 `6×(8:8)`)** — the conditions are the diagnosis (god object → decompose; no rollover → silent saturation). NOT a tail revival (one register read coarsely, no path/tail split); the V1 `family:identity` u24 fragment = the degenerate G1/G2 case; `CascadeShape` gains **no** variants (stays byte‑axis‑only — a wide carving is what it refuses to bless). New classes MUST NOT be born into G1–G3. | G | RULING | lance‑graph `le-contract.md` §3a + `lance_graph_contract::legacy_outliers` (`LegacyOutlier::{WideMixed,WideTriple,WideQuad}`, LE round‑trip + degenerate‑case test) + `E‑V3‑GRACE‑WIDE‑CARVINGS‑1` | D‑V1‑TAIL‑RETIRED |
 
 ### 2.2 Selection & bounds