diff --git a/docs/design/inference_schema_parity_inventory.yaml b/docs/design/inference_schema_parity_inventory.yaml
index eda1577fc..61127ffd6 100644
--- a/docs/design/inference_schema_parity_inventory.yaml
+++ b/docs/design/inference_schema_parity_inventory.yaml
@@ -76,6 +76,10 @@ surfaces:
       lora_target_modules: "Legacy LoRA configuration surface pending dedicated component API."
       output_type: "Legacy output formatting surface pending GenerationResult cleanup."
       VSA_sparsity: "Model-specific inference optimization not yet represented in the typed public schema."
+      VSA_tile_size: "VSA-H3 tile geometry request; model-specific optimization not yet represented in the typed public schema."
+      vae_parallel_decode: "MiniMax-H3 sequence-parallel VAE decode opt-in; model-specific optimization not yet represented in the typed public schema."
+      vae_parallel_encode: "MiniMax-H3 sequence-parallel reference VAE encode opt-in; model-specific optimization not yet represented in the typed public schema."
+      vae_parallel_decode_strategy: "Chunk-transport collective for vae_parallel_decode; model-specific optimization not yet represented in the typed public schema."
       attention_backend: "Process-wide default attention-backend request applied per component at load time; kernel-selection knob not yet represented in the typed public schema."
       moba_config_path: "Model-specific MoBA optimization surface not yet represented in the typed public schema."
       master_port: "Executor/bootstrap compatibility field; not part of the canonical inference schema."