v0.16.1

What's Changed

• ci: make release workflow idempotent for pre-created releases by @danieljustus in #188
• docs: add llmkit to AGENTS.md package inventory by @danieljustus in #189
• llmkit: harden credential and endpoint handling by @danieljustus in #200
• CI: enforce CGO-free cross-platform checks by @danieljustus in #201
• Docs: align exit codes and release migrations by @danieljustus in #202
• feat: complete config, update, Ollama, and audit contracts by @danieljustus in #203
• test: cover Ollama compatibility contract by @danieljustus in #204
• docs: add v0.16.1 release notes by @danieljustus in #205

Full Changelog: v0.16.0...v0.16.1