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tests/graph-default-behavior.regression-1.sh

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+#!/bin/bash
+# Regression: graph-owned surfaces should own browser-conflicting defaults.
+
+set -euo pipefail
+
+REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+# shellcheck disable=SC1091
+source "$REPO_ROOT/tests/lib/graph-html-engine-helpers.sh"
+
+tmp_dir="$(mktemp -d)"
+cleanup() {
+    rm -rf "$tmp_dir"
+}
+trap cleanup EXIT
+
+npm run build -w @llm-wiki/graph-engine > /dev/null 2>&1 \
+    || fail "graph-engine build should succeed before graph default behavior browser regression"
+build_graph_html_fixture "$tmp_dir"
+
+playwright_node_path="$(
+    npx --yes -p playwright -c 'node -e "const path=require(\"path\"); console.log(path.dirname(process.env.PATH.split(\":\")[0]))"'
+)"
+
+chrome_executable="${GRAPH_DEFAULT_BEHAVIOR_CHROME_EXECUTABLE:-}"
+if [ -z "$chrome_executable" ] && [ -x "/Applications/Google Chrome.app/Contents/MacOS/Google Chrome" ]; then
+    chrome_executable="/Applications/Google Chrome.app/Contents/MacOS/Google Chrome"
+fi
+
+GRAPH_DEFAULT_BEHAVIOR_HTML="$tmp_dir/wiki/knowledge-graph.html" \
+GRAPH_DEFAULT_BEHAVIOR_CHROME_EXECUTABLE="$chrome_executable" \
+NODE_PATH="$playwright_node_path" \
+node "$REPO_ROOT/tests/browser/graph-default-behavior.mjs" \
+    || fail "graph default behavior browser regression should pass"
+
+echo "PASS: graph default behavior regression"