CI: validate model after build (#1744)

Co-authored-by: Jason Wen <haibin.wen3@gmail.com>

.github/workflows/sunnypilot-build-model.yaml

@@ -176,6 +176,15 @@ jobs:
             DEV=QCOM FLOAT16=1 NOLOCALS=1 JIT_BATCH_SIZE=0 python3 "${{ env.MODELS_DIR }}/../get_model_metadata.py" "$onnx_file" || true
           done
 
+      - name: Validate Model Outputs
+        run: |
+          source /etc/profile
+          export UV_PROJECT_ENVIRONMENT=${HOME}/venv
+          export VIRTUAL_ENV=$UV_PROJECT_ENVIRONMENT
+          python3 "${{ github.workspace }}/release/ci/model_generator.py" \
+            --validate-only \
+            --model-dir "${{ env.MODELS_DIR }}"
+
       - name: Prepare Output
         run: |
           sudo rm -rf ${{ env.OUTPUT_DIR }}