v4.13.2

• chore(release): 4.13.2 — MCP schema-drift fix (#98, #99)
• fix(mcp): expose drifted handler params on tool wrappers + validate checkpoint output (#98, #99)
• fix(launcher): sweep stale bak husks, prune superseded dist-info, hermetic bootstrap decision

Full Changelog: v4.13.1...v4.13.2