Plan recorded renderer commands for OpenGL

docs/modernization/build-inventory.md

@@ -269,6 +269,11 @@ Known local toolchain state:
   The Windows entrypoint also consumes backend-owned generic OpenGL
   error-code/info-string tokens and WGL core-context/pixel-format attribute
   catalogs.
+  The headless OpenGL command planner consumes `pp_renderer_api` recorded
+  commands and maps render-pass clear masks/values, viewport/scissor state,
+  blend/depth/sampler state, texture formats, primitive modes, draw counts, and
+  blit filters into GL-facing planned command data while rejecting unsupported
+  enum tokens before a real GL context is needed.
   Desktop VR drawing also consumes backend-owned scissor/depth/blend state,
   depth clear masks, active texture units, and fallback 2D texture unbind
   targets while retaining the existing VR SDK/platform bridge shape.