feat(129): erli status mapping sync

Phase 129 complete:
- Add Erli pull/push status mapping tables, seeds and repositories
- Wire Erli status sync cron for inbox pull and manual-only push
- Add tabbed Erli settings UI, tests and documentation

Co-Authored-By: Claude <noreply@anthropic.com>

.paul/codebase/db_schema.md

@@ -370,6 +370,7 @@ UNIQUE: `(order_id, source_payment_id)`
 UNIQUE: `(integration_id, shoppro_status_code)`
 
 **integration_order_sync_state** — Track order fetch progress per integration
+- Phase 129 adds `last_status_pushed_at` for Erli manual status push cursor.
 
 **integration_order_status_sync_state** — Track status sync progress per integration and direction
 
@@ -517,6 +518,14 @@ UNIQUE: `(type, name)`
 | `created_at` | DATETIME | |
 | `updated_at` | DATETIME | |
 
+**erli_order_status_mappings** — orderPRO status → Erli status used for status push
+- Seeded official Erli statuses: `created`, `canceled`, `readyToProcess`, `inProgress`, `sent`, `readyToPickup`, `received`, `returned`, `returningToSender`, `unknown`.
+- `orderpro_status_code` is nullable; unmapped status rows are skipped by push sync.
+
+**erli_order_status_pull_mappings** — Erli status → orderPRO status used during inbox import
+- Seeded defaults: `pending -> nieoplacone`, `purchased -> nowe`, `cancelled -> anulowane`.
+- Unknown Erli statuses are discovered from `/inbox` and inserted with nullable mapping.
+
 **allegro_delivery_method_mappings** — Map order delivery method strings to Allegro services
 | Column | Type | Notes |
 |--------|------|-------|