fix(dna): K11 shared-match owner selection and FK trust

[simonellefsen]

Summary

• Require kit-owner confirmation when importing shared-segment CSVs (SharedSegmentImportModal), with optional counterpart link and married-name alias.
• Trust dna_tests.person_id at load time before fuzzy CSV name matching so imports no longer vanish when kit names differ from tree names (e.g. Helle Due vs Helle Andersen).
• Show unlinked counterparts in the shared autosomal match list instead of dropping them; add admin re-link owner repair for orphan imports.
• Match load-time name resolution against maiden names and metadata.alternateNames (lib/dnaPersonNameVariants.ts).
• Batch shared CSV import: pick multiple files, confirm kit owner once (DNATab + SharedSegmentImportModal).
• Inline link / create match person / dismiss on unlinked rows in the admin match list (lib/dnaUnlinkedMatchAdapter.ts).

Test plan

• Import a shared-segment CSV on a profile — confirm kit-owner modal appears and saves owner + optional counterpart.
• Import multiple shared CSVs via Import multiple CSVs — one owner confirmation applies to all files.
• On admin DNA panel for kit owner, verify all imported matches appear (linked and unlinked).
• On an unlinked row in the main match list, use Link / Create match person / Not in my tree inline actions.
• For existing orphan imports, use Set kit owner to selected person in K3 and confirm matches move to the unified list.
• npm test (446 passing on branch)

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Project	Deployment	Actions	Updated (UTC)
linegra	Ready	Preview, Comment	Jul 5, 2026 7:47pm