Per-recipient: only direct ancestors and direct descendants
within a configurable number of generations (default 3) get the
full row treatment (avatar, icon, timeline). Everyone else falls
through to a compact text-only bullet list at the bottom of the
same section.
- New tree preference NEWSLETTER_LINEAL_DEPTH (range 0–10,
default 3) with a clearly-explained admin input.
- RelationshipPathFinder::linealKin() does two cheap recursive
expansions (ancestors and descendants only — no spouse or
sibling traversal) and returns the xref set. Memoised per
recipient within a dispatch run.
- Avatar attachments are filtered per recipient to only the
embeds actually referenced in their HTML, so summary-only rows
no longer inflate per-email size with unused images.
- Recipients with no PREF_TREE_ACCOUNT_XREF (external admin
addresses, users not linked to a record) see the entire
newsletter in detail — no lineal anchor to filter against.
- German translations for the three new section kickers ("Other
birthdays", etc.) and the admin input help text.
Alexander
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