chore(main): release 0.16.1

[jack-arturo]

🤖 I have created a release beep boop

0.16.1 (2026-07-04)

Bug Fixes

• api: reject admin placeholder fallback (69d8205)
• api: reject placeholder provider repairs (d2ce087)
• api: use provider embeddings for admin repair (b636b50)
• api: use provider embeddings for admin repair (#211) (3ae04bf), closes #208
• recall: address Codex artifact review feedback (860e0e7)
• recall: address Codex overfetch follow-ups (d18d5d7)
• recall: over-fetch vector candidates and exclude artifact types (ddc9ecc)
• recall: over-fetch vector candidates and exclude artifact types (#205) (0720da2)
• recall: preserve metadata sidecar budget (b9d89c2)
• recall: preserve metadata sidecar upgrades (ed3c188)
• recall: preserve vector fetch limit floor (833cbbb)
• sync: ignore metapattern artifacts in drift checks (cd6f07d)
• sync: ignore metapattern artifacts in drift checks (#214) (7636021), closes #209

Documentation

• bench: log PR 205 validation (a96478a)
• link AMB submission to provider PR #24 (7e60939)
• link AMB submission to provider PR #24 (#213) (f207a40)

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