Add imatrix base variant (NEO-style general+code imatrix; measured -10% median KL, +0.8pp top-token vs non-imatrix)

.gitattributes

@@ -36,3 +36,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 Qwen3.6-40B-Deckard-MTP-ROCmFP4-STRIX-embQ8.gguf filter=lfs diff=lfs merge=lfs -text
 Qwen3.6-40B-Deckard-MTP-ROCmFP4-STRIX-embQ8-headQ6.gguf filter=lfs diff=lfs merge=lfs -text
 Qwen3.6-40B-Deckard-MTP-ROCmFP4-STRIX-embQ8-mtpF16.gguf filter=lfs diff=lfs merge=lfs -text
+Qwen3.6-40B-Deckard-MTP-ROCmFP4-STRIX-embQ8-imatrix.gguf filter=lfs diff=lfs merge=lfs -text

Qwen3.6-40B-Deckard-MTP-ROCmFP4-STRIX-embQ8-imatrix.gguf

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3a33f525f8e3e1c28f136125aba1f6bb41dffd286d60fde3cead3e22efa9e97f
+size 21809391616