diff --git a/.github/actions/gpu-test-cleanup/action.yml b/.github/actions/gpu-test-cleanup/action.yml
index 36bf00ee4..d539a9548 100644
--- a/.github/actions/gpu-test-cleanup/action.yml
+++ b/.github/actions/gpu-test-cleanup/action.yml
@@ -22,7 +22,7 @@ inputs:
   artifact_name_prefix:
     description: 'Prefix for the uploaded artifact name'
     required: false
-    default: 'gpu-smoke-test-debug'
+    default: 'gpu-test-debug'
 
 runs:
   using: 'composite'
@@ -39,7 +39,7 @@ runs:
         kubectl --context="kind-${KIND_CLUSTER_NAME}" -n gpu-operator get pods -o wide > /tmp/debug-artifacts/gpu-operator-pods.txt || true
         kubectl --context="kind-${KIND_CLUSTER_NAME}" -n gpu-operator logs -l app=nvidia-device-plugin-daemonset --tail=100 > /tmp/debug-artifacts/device-plugin-logs.txt || true
         kubectl --context="kind-${KIND_CLUSTER_NAME}" -n gpu-operator logs -l app.kubernetes.io/component=gpu-operator --tail=100 > /tmp/debug-artifacts/gpu-operator-logs.txt || true
-        kubectl --context="kind-${KIND_CLUSTER_NAME}" describe pod/gpu-smoke-test > /tmp/debug-artifacts/gpu-pod-describe.txt || true
+        kubectl --context="kind-${KIND_CLUSTER_NAME}" get pods -A --field-selector=status.phase!=Running,status.phase!=Succeeded > /tmp/debug-artifacts/non-running-pods.txt || true
 
     - name: Export kind logs
       if: failure()
diff --git a/.github/workflows/gpu-h100-inference-test.yaml b/.github/workflows/gpu-h100-inference-test.yaml
index ac47fbf2c..2677eb303 100644
--- a/.github/workflows/gpu-h100-inference-test.yaml
+++ b/.github/workflows/gpu-h100-inference-test.yaml
@@ -16,7 +16,7 @@ name: GPU Inference Test (nvkind + H100)
 
 on:
   schedule:
-    - cron: '0 6,18 * * *'  # Every 12 hours (2x daily)
+    - cron: '15 6,18 * * *'  # Every 12 hours (2x daily), offset from T4 smoke test
   push:
     branches:
       - "pull-request/[0-9]+"
@@ -284,3 +284,4 @@ jobs:
         uses: ./.github/actions/gpu-test-cleanup
         with:
           cluster_name: ${{ env.KIND_CLUSTER_NAME }}
+          artifact_name_prefix: gpu-inference-test-debug
diff --git a/.github/workflows/gpu-h100-training-test.yaml b/.github/workflows/gpu-h100-training-test.yaml
index 74b5af20c..ed132196b 100644
--- a/.github/workflows/gpu-h100-training-test.yaml
+++ b/.github/workflows/gpu-h100-training-test.yaml
@@ -16,7 +16,7 @@ name: GPU Training Test (nvkind + H100 x2)
 
 on:
   schedule:
-    - cron: '0 6,18 * * *'  # Every 12 hours (2x daily)
+    - cron: '30 6,18 * * *'  # Every 12 hours (2x daily), offset from inference test
   push:
     branches:
       - "pull-request/[0-9]+"
@@ -71,6 +71,47 @@ jobs:
           accelerator: h100
           intent: training
 
+      # --- Snapshot and validation ---
+
+      - name: Run eidos snapshot
+        run: |
+          ./eidos snapshot --deploy-agent \
+            --kubeconfig="${HOME}/.kube/config" \
+            --namespace=default \
+            --image=ko.local:smoke-test \
+            --require-gpu \
+            --output=snapshot.yaml
+          echo "--- Snapshot output ---"
+          cat snapshot.yaml
+
+      - name: Validate snapshot detected GPU
+        run: |
+          GPU_MODEL=$(yq eval '.measurements[] | select(.type == "GPU") | .subtypes[0].data["gpu.model"]' snapshot.yaml)
+          GPU_COUNT=$(yq eval '.measurements[] | select(.type == "GPU") | .subtypes[0].data["gpu-count"]' snapshot.yaml)
+          echo "GPU model: ${GPU_MODEL}"
+          echo "GPU count: ${GPU_COUNT}"
+          if [[ "${GPU_MODEL}" != *"H100"* ]]; then
+            echo "::error::Expected H100 GPU in snapshot, got: ${GPU_MODEL}"
+            exit 1
+          fi
+          if [[ "${GPU_COUNT}" -lt 2 ]]; then
+            echo "::error::Expected gpu-count >= 2 for training, got: ${GPU_COUNT}"
+            exit 1
+          fi
+          echo "Snapshot correctly detected ${GPU_COUNT}x ${GPU_MODEL}"
+
+      - name: Validate cluster
+        run: |
+          ./eidos validate \
+            --recipe recipe.yaml \
+            --phase readiness \
+            --phase deployment \
+            --phase conformance \
+            --namespace gpu-operator \
+            --kubeconfig="${HOME}/.kube/config" \
+            --require-gpu \
+            --image=ko.local:smoke-test
+
       # --- Health checks ---
 
       - name: Install chainsaw
@@ -131,6 +172,22 @@ jobs:
           kubectl --context="kind-${KIND_CLUSTER_NAME}" -n gang-scheduling-test \
             logs gang-worker-1 2>/dev/null || true
 
+      # --- Evidence collection ---
+
+      - name: Collect AI conformance evidence
+        if: always()
+        run: |
+          go run ./tests/chainsaw/ai-conformance/ \
+            --dir tests/chainsaw/ai-conformance/kind-training \
+            --file tests/chainsaw/ai-conformance/cluster/assert-cert-manager.yaml \
+            --file tests/chainsaw/ai-conformance/cluster/assert-monitoring.yaml \
+            --file tests/chainsaw/ai-conformance/cluster/assert-skyhook.yaml \
+            --file tests/chainsaw/ai-conformance/cluster/assert-dra-driver.yaml \
+            --file tests/chainsaw/ai-conformance/cluster/assert-kai-scheduler.yaml \
+            --file tests/chainsaw/ai-conformance/cluster/assert-dynamo.yaml \
+            --kubeconfig="${HOME}/.kube/config" \
+            --debug
+
       # --- Debug diagnostics (before cleanup so resources still exist) ---
 
       - name: Debug diagnostics
@@ -180,3 +237,4 @@ jobs:
         uses: ./.github/actions/gpu-test-cleanup
         with:
           cluster_name: ${{ env.KIND_CLUSTER_NAME }}
+          artifact_name_prefix: gpu-training-test-debug
diff --git a/.github/workflows/gpu-smoke-test.yaml b/.github/workflows/gpu-smoke-test.yaml
index cf173c657..8d2aef570 100644
--- a/.github/workflows/gpu-smoke-test.yaml
+++ b/.github/workflows/gpu-smoke-test.yaml
@@ -19,7 +19,7 @@ on:
     - cron: '0 6,18 * * *'  # Every 12 hours (2x daily)
   push:
     branches:
-      - "pull-request/*"
+      - "pull-request/[0-9]+"
     paths:
       - '.github/workflows/gpu-smoke-test.yaml'
       - '.github/actions/gpu-cluster-setup/**'