refactor(discovery): use ping for discovery and fill MAC via SSH

auto-check/scripts/temp_end.sh

@@ -0,0 +1,12 @@
+echo '===MONITOR:temp==='
+if [ -f "$TEMP_LOG" ] && [ -s "$TEMP_LOG" ]; then
+	echo 'status:pass'
+	TEMP_MAX=$(grep -oP '\d+\.?\d*°C' "$TEMP_LOG" | sort -t. -k1 -n | tail -1 || echo 'unknown')
+	echo "samples:$(wc -l < "$TEMP_LOG")"
+	echo "max:${TEMP_MAX}"
+	echo "output:$(tail -10 "$TEMP_LOG")"
+else
+	echo 'status:skip'
+fi
+echo ''
+kill $TEMP_PID 2>/dev/null || true