v1.53.0

What's Changed

• fix(skills): exclude installed packages from the user skills scan by @lkshrk in #5024
• fix(ci): pin the TypeScript client's Agent Server in the release PR by @VascoSch92 in #5476
• feat(agent-server): serve a manifest-declared SVG icon for canvas extensions by @VascoSch92 in #5479
• docs: refresh AGENTS.md guidance by @all-hands-bot in #5513
• fix(ci): read the unreleased Agent Server contract from source on release PRs by @VascoSch92 in #5512
• chore: weekly test sweep removes low-value coverage by @enyst in #4782
• Release v1.53.0 by @all-hands-bot in #5509

Full Changelog: v1.52.0...v1.53.0