reorg(characters): ship-time folders — lena_base_v01 ships, lane moves to work/lena

REGISTRY rewritten around the central rule: a character folder is born only
when a body ships to ariki-game (<character>_base_v<NN> = ship ordinal).
lena_nude dissolves accordingly:
- characters/female/lena_base_v01/ — SHIPPED 2026-08-10: AccuRig GLB carrier,
  T-pose/rig FBX + JSON, previews, frozen README
- characters/work/lena/ — the live lane: recipes 01-47 (incl. new 36-47:
  refill/sheets/clay/despeckle/musculature/spin/AccuRig export/graft/pose QC),
  masters (athletic_v04 blend + textures, accurig blend), lane-history README
- hires_claude/hires_work intermediates (blends, logs, probes) pruned

Supporting docs: AGENTS.md, working-files rule, rig-graft plan addendum,
originals README, prune_lane.py.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

AGENTS.md

@@ -43,10 +43,11 @@ AGENTS.md          ← you are here
 tools/             ← Blender-headless retargeters, loop tools, prop export,
                      md_bridge* (drive Marvelous Designer), tailor/ (garment
                      authoring: recipes, measurements, QC, screenshots)
-characters/        ← character body models: originals/ (read-only Tripo sources) +
-                     per-character working folders (male/mako, female/lena).
-                     Naming law in characters/REGISTRY.md — applies to all new
-                     derived models
+characters/        ← character body models: originals/ (read-only Tripo sources),
+                     work/<character>/ (live lanes: recipes + masters), and one
+                     frozen folder per SHIPPED body (female/lena_base_v01).
+                     A folder is born at ship time, not at experiment time —
+                     naming law in characters/REGISTRY.md
 clothing/          ← garment mesh → game-ready outfit GLB (staged Blender pipeline)
 garments/          ← raw incoming garment sources + design advice notes
 exchange/          ← files in flight between Mac and PC (see exchange/GUIDE.md)