feat: Add git hooks to enforce universal binary builds and improve CPU metric calculation.

scripts/setup-hooks.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+# Install git hooks for Mole development
+
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+HOOKS_DIR="$REPO_ROOT/.git/hooks"
+
+if [[ ! -d "$REPO_ROOT/.git" ]]; then
+    echo "Error: Not in a git repository"
+    exit 1
+fi
+
+echo "Installing git hooks..."
+
+# Install pre-commit hook
+if [[ -f "$SCRIPT_DIR/hooks/pre-commit" ]]; then
+    cp "$SCRIPT_DIR/hooks/pre-commit" "$HOOKS_DIR/pre-commit"
+    chmod +x "$HOOKS_DIR/pre-commit"
+    echo "✓ Installed pre-commit hook (validates universal binaries)"
+fi
+
+echo ""
+echo "Git hooks installed successfully!"
+echo ""
+echo "The pre-commit hook will ensure that bin/analyze-go and bin/status-go"
+echo "are universal binaries (x86_64 + arm64) before allowing commits."