Add configurable history and storage retention policies

tests/unit/game-file-library.test.ts

@@ -1,3 +1,4 @@
+import { initializeStandaloneSettings } from '../helpers/settings.js';
 import Database from 'better-sqlite3';
 import { createHash } from 'node:crypto';
 import { mkdtemp, readFile, rm } from 'node:fs/promises';
@@ -15,7 +16,7 @@ let directory: string; let hostId: string; let credential: string;
 const data = 'real game bytes';
 const file = { path: 'zone/game.ff', size: Buffer.byteLength(data), sha256: createHash('sha256').update(data).digest('hex') };
 beforeEach(async () => {
-    state.handle = new Database(':memory:'); state.handle.pragma('foreign_keys=ON');
+    state.handle = new Database(':memory:'); initializeStandaloneSettings(state.handle); state.handle.pragma('foreign_keys=ON');
     directory = await mkdtemp(join(tmpdir(), 'ec-libraries-')); vi.stubEnv('GAME_FILES_ROOT', directory);
     const host = createHost({ name: 'Debian host' }); hostId = host.id;
     const enrollment = createEnrollment(host.id);
@@ -207,7 +208,7 @@ describe('verified host distribution', () => {
         const report = () => updateHostLibraryCaches(hostId, [{ libraryVersionId: 'cache-version', status: 'ready', manifestSha256: 'checksum' }]);
         seed(); report();
         const original = state.handle!;
-        state.handle = new Database(':memory:');
+        state.handle = new Database(':memory:'); initializeStandaloneSettings(state.handle);
         try {
             seed();
             const preparing = vi.spyOn(state.handle, 'prepare');