m9b: TEE node_selector include pro_6000 for integrated subnet chutes

chute_config.yml

@@ -9,9 +9,11 @@ Image:
 
 NodeSelector:
   # Chutes NodeSelector enforces gpu_count >= 1 and min_vram_gb_per_gpu >= 16.
-  # Prefer cheapest compliant tier for cost control; weights stay CPU-tiny.
+  # Platform TEE integrated subnet chutes require include=['pro_6000'].
   gpu_count: 1
   min_vram_gb_per_gpu: 16
+  include:
+    - pro_6000
   exclude:
     - "5090"
     - b200