Fix CUDA vision build

ds4_deepseek4_vision_gpu.cuh

@@ -1,5 +1,41 @@
 /* DeepSeek V4 Flash Vision-Exp operations shared by CUDA and ROCm. */
 
+#ifndef DS4_DEEPSEEK4_VISION_TYPES_DEFINED
+#define DS4_DEEPSEEK4_VISION_TYPES_DEFINED
+#define DS4_DEEPSEEK4_VISION_LAYERS 32u
+#define DS4_DEEPSEEK4_LANGUAGE_LAYERS 43u
+#define DS4_DEEPSEEK4_MTP_LAYERS 3u
+
+typedef struct {
+    uint64_t norm1;
+    uint64_t qkv_weight;
+    uint64_t qkv_bias;
+    uint64_t attn_proj_weight;
+    uint64_t attn_proj_bias;
+    uint64_t norm2;
+    uint64_t mlp_w1;
+    uint64_t mlp_w2;
+} ds4_deepseek4_vision_layer_weights;
+
+typedef struct {
+    uint64_t patch_weight;
+    uint64_t patch_bias;
+    uint64_t post_norm;
+    uint64_t aligner_w1;
+    uint64_t aligner_w1_bias;
+    uint64_t aligner_w2;
+    uint64_t aligner_w2_bias;
+    uint64_t image_start;
+    uint64_t image_pad;
+    uint64_t image_newline;
+    uint64_t image_end;
+    uint64_t visual_router_bias[DS4_DEEPSEEK4_LANGUAGE_LAYERS];
+    uint64_t mtp_visual_router_bias[DS4_DEEPSEEK4_MTP_LAYERS];
+    uint64_t hash_router_bias[3];
+    ds4_deepseek4_vision_layer_weights layer[DS4_DEEPSEEK4_VISION_LAYERS];
+} ds4_deepseek4_vision_weights;
+#endif
+
 #ifndef DS4_DEEPSEEK4_VISION_STREAM
 #define DS4_DEEPSEEK4_VISION_STREAM 0
 #endif