v2.17.3

What's Changed

• ci: add Leak Guard to block internal info entering PRs by @zoltanam in #38
• chore: scrub internal detail from tracked files (public-repo hygiene) by @zoltanam in #39
• feat(mcp): opt-in destructive aws_call behind mandatory two-phase confirm by @zoltanam in #37

Full Changelog: v2.17.2...v2.17.3