Refresh local build and test scripts, add DRM and Intel GPU test scripts

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

local/scripts/test-amd-gpu.sh

@@ -1,43 +1,5 @@
 #!/usr/bin/env bash
-# Test AMD GPU driver on Red Bear OS
-# Run this inside Red Bear OS (or via QEMU serial console)
 set -euo pipefail
 
-echo "=== AMD GPU Driver Test ==="
-echo ""
-
-# Check if scheme:drm exists
-if [ -e "/scheme/drm" ]; then
-    echo "✅ scheme:drm registered"
-else
-    echo "❌ scheme:drm NOT found — redox-drm daemon not running?"
-    exit 1
-fi
-
-# Check card0
-if [ -e "/scheme/drm/card0" ]; then
-    echo "✅ /scheme/drm/card0 exists"
-else
-    echo "❌ /scheme/drm/card0 NOT found — AMD GPU not detected?"
-    exit 1
-fi
-
-# Try to read connector info
-echo ""
-echo "=== Connector Info ==="
-if command -v modetest &>/dev/null; then
-    modetest -M amd 2>&1 | head -50
-else
-    echo "modetest not available — reading raw scheme"
-    # Read from scheme directly
-    cat /scheme/drm/card0 2>&1 | head -20 || true
-fi
-
-echo ""
-echo "=== PCI Devices (GPU) ==="
-ls /scheme/pci/ 2>/dev/null | while read -r entry; do
-    echo "  $entry"
-done
-
-echo ""
-echo "=== Test Complete ==="
+script_dir="$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)"
+exec "${script_dir}/test-drm-display-runtime.sh" --vendor amd "$@"