Cargo: codec 937745d, kernel 86497ae, graph 81bf45f

DXF drawing properties (opencadcodec#98) and spline parameterization
flags (opencadcodec#99).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

plugins/opencad-python/Cargo.lock

@@ -1264,7 +1264,7 @@ dependencies = [
 [[package]]
 name = "opencadcodec"
 version = "0.6.0"
-source = "git+https://github.com/HakanSeven12/opencadcodec.git?rev=8e93175#8e9317506f1522bad52920f7398223c1e3538860"
+source = "git+https://github.com/HakanSeven12/opencadcodec.git?rev=937745d#937745d9ec1a62d252074ff41b140b92303d0dc0"
 dependencies = [
  "anyhow",
  "bitflags",