feat(gnn): Integrate attention mechanisms into GNN layer

.githooks/pre-commit

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+#!/bin/bash
+# Git pre-commit hook to automatically sync package-lock.json
+# Install: ln -sf ../../.githooks/pre-commit .git/hooks/pre-commit
+
+export GIT_HOOK="pre-commit"
+
+# Run the sync script
+./scripts/sync-lockfile.sh
+
+exit $?

.github/benchmarks/graph-baseline.txt

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+# Graph performance baseline