Add DeepSeek V4 Flash 31-07 DSpark drafter GGUF

Extracted from official deepseek-ai/DeepSeek-V4-Flash-0731 revision 9e165c30e2704aec5d9d593cce3eebd58bbef1cb, shards 46-48. Lucebox-native deepseek4-dflash-draft architecture, Q4_0_ROCMFP4_FAST heavy tensors with F16/F32 dense tensors. Output SHA-256: 58e7337597a917fdd033aca30a38263740dc53999dac187a676a36b8daf9e63d. Passed Lucebox GPU loader and full drafter forward smoke test.

.gitattributes

@@ -34,3 +34,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
 DeepSeek-V4-Flash-DSpark-draft-Q4RMFP4-denseF16.gguf filter=lfs diff=lfs merge=lfs -text
+DeepSeek-V4-Flash-3107-DSpark-draft-Q4RMFP4-denseF16.gguf filter=lfs diff=lfs merge=lfs -text

DeepSeek-V4-Flash-3107-DSpark-draft-Q4RMFP4-denseF16.gguf

@@ -0,0 +1,3 @@
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+oid sha256:58e7337597a917fdd033aca30a38263740dc53999dac187a676a36b8daf9e63d
+size 10648656160