Add curator Influences tool with import wizard, CRUD, and graph.

CSV/JSON/XLSX mapping wizard expands artist-level rows to all paintings, blocks duplicate file/data imports via content and payload hashes, and documents the workflow in influence-import.md.

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

Documentation/setup.md

@@ -72,7 +72,7 @@ If migration fails with permission errors, grant schema rights to the app user f
 
 `npm run dev:migrate` applies `db/migrate-auth.sql` (`users`, `curator_audit_log`, `session` tables). When the `users` table is empty and `CURATOR_USERNAME` / `CURATOR_PASSWORD` are set in `.env`, the first curator account is created automatically.
 
-After migrate, sign in from the site header (**Curator login**). Debug mode, Checkup, and all mutating debug APIs require an active curator session. Anonymous visitors browse the timeline and 3D halls without logging in.
+After migrate, sign in from the site header (**Curator login**). Debug mode, Checkup, Translations, Influences, and all mutating debug APIs require an active curator session. Anonymous visitors browse the timeline and 3D halls without logging in.
 
 See [API.md — Authentication](API.md#authentication) and [basics.md — Developer tools](basics.md#developer-tools-image-audit).
 
@@ -120,7 +120,7 @@ Image fetch can take hours if you run it for the entire catalog. The first line
 | `npm run dev:server` | API with nodemon reload (local HMR workflow) |
 | `npm run dev:client` | Vite dev server on :5173 |
 
-See [environments.md](environments.md) for dev/prod URLs, database split, Docker deploy, and sync commands. For Russian UI + catalog text, see [i18n-russian.md](i18n-russian.md). Quick reference: [FAC.md](FAC.md).
+See [environments.md](environments.md) for dev/prod URLs, database split, Docker deploy, and sync commands. For Russian UI + catalog text, see [i18n-russian.md](i18n-russian.md). Influence link import/CRUD: [influence-import.md](influence-import.md). Quick reference: [FAC.md](FAC.md).
 
 **Production frontend:** build the client, then start the server:
 
@@ -274,6 +274,9 @@ After clone: copy `.env.example` → `.env`, install dependencies, run [one-time
 | Catalog search returns empty / 500 | Search indexes missing | Run `npm run dev:migrate` (includes `migrate-search.sql`) or `npm run dev:migrate:search`; restart API |
 | `fetch-artist-bios-ru` fails: `index row size … exceeds btree maximum` | Old `entity_translations` index on all `value` text | `npm run dev:migrate` (partial search index on name/title only), then re-run `npm run dev:fetch-artist-bios-ru` |
 | Russian UI shows English catalog names | Translations not published | Curator → Translations → Publish; public API serves only `status = published` |
+| Influence import leaves many unresolved tokens | Names not in catalog DB | Curator → Influences → Import warnings; fix spelling or add artists first; free-text traditions stay unresolved |
+| Influence import created too many edges | Artist-level rows expand to all paintings | Expected (PainterPalette-style); delete unwanted edges in Influences list |
+| Influence import blocked: already imported | Same file bytes or mapped data imported before | Expected; use **Import anyway** only if intentional, or skip |
 | Frame still black after **Checked** | Gallery session not synced | Re-enter hall or toggle debug **Checked** from detail with gallery open behind overlay |
 | Duplicate works in gallery / timeline | Double import or variant Wikipedia titles | `npm run dev:find-duplicates`; merge or delete spare rows manually |
 | **Failed to load movement gallery** / `Cannot GET /api/movements/:id/gallery` | Stale server process missing route | Restart `npm run dev:web` or `npm run dev:server` after pulling API changes |