Add curator Movement links config with proof URLs and admin-gated delete votes.

Persist lineage in PostgreSQL, seed documented edges, and keep timeline/tree consumers API-backed with a static fallback.

Co-authored-by: Cursor <cursoragent@cursor.com>

Documentation/Plans.md

@@ -18,4 +18,5 @@ this file contains draft for future releases and features
 9. ~~vertical bottom-up timeline (alternative start page)~~ — done: `VerticalTimeline` + `VerticalMovementBands`, header layout switch — [basics.md](basics.md#timeline-and-movement-flow)
 10. ~~Tree of Art timeline (lineage as a growing tree)~~ — done: `MovementTree` + `movementTree.ts`, shareable `?layout=tree` — [movement-tree.md](movement-tree.md)
 11. ~~UI interaction and component standards~~ — done: shared doc + Cursor rule for client screens — [ui-interaction-and-component-standards.md](ui-interaction-and-component-standards.md)
+12. ~~Movement lineage curator config (links + proof URLs + delete votes)~~ — done: `movement_lineage_links` / `movement_lineage_delete_votes`, `MovementLinksPage`, admin-only hard delete — [data-and-images.md](data-and-images.md#movement-lineage-timeline--tree-of-art) / [API.md](API.md#movement-lineage-links)