fix(clade): correct uuid to deterministic v5 (#43)

uuid = uuidv5(@url, github.com/hyperpolymath/gv-clade-index) = c88e9ff3-9aac-5de8-b891-19b5de64aedd
(was a non-deterministic/placeholder value). canonical-name ('gv-clade-index') left as-is.

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: hyperpolymath

.machine_readable/CLADE.a2ml

@@ -2,7 +2,7 @@
 # Clade declaration for gv-clade-index itself
 
 [identity]
-uuid = "a1b2c3d4-e5f6-5789-abcd-ef0123456789"
+uuid = "c88e9ff3-9aac-5de8-b891-19b5de64aedd"
 primary-forge = "github"
 primary-owner = "hyperpolymath"
 canonical-name = "gv-clade-index"