1. SQL injection: Convert all 9 string-interpolated queries in
memory-initializer.ts to parameterized queries (db.prepare/bind)
Closes#1030
2. Preinstall hook: Remove no-op preinstall script and package.json entry
that triggered supply chain concern
3. SECURITY.md: Add vulnerability disclosure policy with supported
versions, reporting process, and safe harbor statement
4. SafeExecutor: Remove npx from default command allowlist to prevent
arbitrary package execution via safe executor
5. Cleanup command: Add `cleanup` command for removing project artifacts
(.claude/, .swarm/, data/, etc.) with --dry-run default and --force
to execute. Addresses uninstall documentation gap
Published as v3.5.40. All fixes verified in Docker.
Closes#1375