v0.21.2

What changed

• Merge pull request #21 from TheArchitectit/fix/pr18-review-followups
• fix(recall): close PR #18 review follow-ups — fts5 removed-filter, NaN quorum guard
• Merge pull request #18 from drwhofan2k18-pixel/audit-fixes-v21
• fix: H1 dedup-resurrection + M4 MinHash precision + E1 NaN recall guard

Install: `pi update --extensions`