test(tours): the inventories count the region requests and the new admin notice

ENT-003 counts 142 entities and CLASSFIELD-002 494 uninitialised NOT NULL scalars with paddle_region_requests (region_id, name, reason) in, and NPREF-005b expects paddle_region_requested among the admin scoped events.

server/tests/unit/db/entities-index.test.ts

@@ -38,14 +38,15 @@ describe('ALL_ENTITIES', () => {
    * + user_sessions, the session rows behind revocable session tokens
    * + ferrata_tiles, the stored via ferrata grid cells
    * + paddle_regions, paddle_features and tour_obstacle_reviews, the paddle obstacle data and decisions
-   * + trip_journal_links and trip_journal_link_members, the journal a trip shows and who it is open to)
+   * + trip_journal_links and trip_journal_link_members, the journal a trip shows and who it is open to
+   * + paddle_water_graphs and paddle_region_requests, a region's water network and the regions that wait for an admin)
    * is registered, and no two share a class name (a silent duplicate would
    * shadow one of them in `orm.getMetadata()`, exactly the kind of drift
    * `entity-schema-parity.test.ts` can't see — it iterates the metadata map,
    * which de-duplicates by class name).
    */
-  it('ENT-003: exactly 141 entities, every class name unique', () => {
-    expect(ALL_ENTITIES.length).toBe(141);
+  it('ENT-003: exactly 142 entities, every class name unique', () => {
+    expect(ALL_ENTITIES.length).toBe(142);
     const names = ALL_ENTITIES.map((s) => s.meta.className);
     expect(new Set(names).size).toBe(names.length);
   });

server/tests/unit/db/entity-class-fields.test.ts

@@ -33,7 +33,8 @@ import { afterAll, beforeAll, beforeEach, describe, expect, it } from 'vitest';
 //   added_at (a link and its members are always written whole).
 // + paddle_water_graphs: file, rev, bytes, built_at, stats and its bounding box (a network is only ever written
 //   whole, from one build of its region).
-const KNOWN_UNINITIALISED_NOT_NULL_SCALARS = 491;
+// + paddle_region_requests: region_id, name, reason (a request is only ever filed whole).
+const KNOWN_UNINITIALISED_NOT_NULL_SCALARS = 494;
 
 describe('entity class fields never carry a NaN initialiser (task-4-review-shape.md, Important 1)', () => {
   it('CLASSFIELD-001: new X() has no own property whose value is NaN, across all 133 entities', () => {

server/tests/unit/nest/notification-preferences.service.test.ts

@@ -166,7 +166,8 @@ describe('getPreferencesMatrix', () => {
     const { event_types } = await getPreferencesMatrix(user.id, 'admin', 'admin');
     expect(event_types).toContain('version_available');
     expect(event_types).toContain('replica_failure');
-    expect(event_types.length).toBe(2);
+    expect(event_types).toContain('paddle_region_requested');
+    expect(event_types.length).toBe(3);
   });
 
   it('NPREF-006 — returns default true for all preferences when no stored prefs', async () => {