Exercise baseline

scripts/mermaid.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+# Render a mermaid diagram to SVG using mmdc with sandbox/GPU workarounds
+# for Ubuntu 24.04+ (AppArmor restrictions).
+#
+# Usage: scripts/mermaid.sh input.mmd [output.svg]
+#        scripts/mermaid.sh input.mmd -   # output to stdout
+
+set -euo pipefail
+
+REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+CONFIG="$REPO_ROOT/puppeteer.config.json"
+
+if [[ $# -lt 1 ]]; then
+  echo "Usage: $0 <input.mmd> [output.svg|-]" >&2
+  exit 1
+fi
+
+INPUT="$1"
+shift
+
+ARGS=("-i" "$INPUT" "-p" "$CONFIG")
+
+if [[ $# -gt 0 ]]; then
+  OUTPUT="$1"
+  shift
+  ARGS+=("-o" "$OUTPUT")
+fi
+
+ARGS+=("$@")
+
+exec mmdc "${ARGS[@]}"