docs: the relief's flat geometry keys are retired, not aliases

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

 CLAUDE.md | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/CLAUDE.md b/CLAUDE.md
index 85bc5e7..1491114 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -1229,10 +1229,9 @@ The rules that took a day to settle, each with the wrong version it replaced:
   `height` (a length — the wall's drop, the roll's rise; unset = follow the
   width) and `profile` (a ramp spec; absent = the analytic curve). The flat
   spellings (`height` / `profile` for the wall, `edge_height` /
-  `edge_profile`) are aliases, and the node spelling wins when a file
-  carries both. `light` is the spelling of the strength; `depth`, its
-  former name, is retired — reported at load, not read, rewritten by
-  cce-relief's Save.
+  `edge_profile`) and `depth`, the strength's former name (`light` now),
+  are retired: reported at load, not read, rewritten by cce-relief's Save
+  from a one-time seed.
 - **cce-relief's knobs are not a style key.** The Shoulder / Base / Bias
   triples behind each profile (`wall.knobs` / `edge.knobs`, before that
   `profile_knobs` / `edge_knobs`) were editor state beside the values that