feat(backend): pgroongaに対応（configの構成変更あり） (#14978)

* feat(backend): pgroongaに対応（configの構成変更あり）

* fix CHANGELOG.md

* fix CHANGELOG.md

* add using provider logging

* fix CHANGELOG.md

* Update CHANGELOG.md

---------

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

packages/backend/src/GlobalModule.ts

@@ -7,14 +7,14 @@ import { Global, Inject, Module } from '@nestjs/common';
 import * as Redis from 'ioredis';
 import { DataSource } from 'typeorm';
 import { MeiliSearch } from 'meilisearch';
+import { MiMeta } from '@/models/Meta.js';
 import { DI } from './di-symbols.js';
 import { Config, loadConfig } from './config.js';
 import { createPostgresDataSource } from './postgres.js';
 import { RepositoryModule } from './models/RepositoryModule.js';
 import { allSettled } from './misc/promise-tracker.js';
-import type { Provider, OnApplicationShutdown } from '@nestjs/common';
-import { MiMeta } from '@/models/Meta.js';
 import { GlobalEvents } from './core/GlobalEventService.js';
+import type { Provider, OnApplicationShutdown } from '@nestjs/common';
 
 const $config: Provider = {
 	provide: DI.config,
@@ -33,7 +33,11 @@ const $db: Provider = {
 const $meilisearch: Provider = {
 	provide: DI.meilisearch,
 	useFactory: (config: Config) => {
-		if (config.meilisearch) {
+		if (config.fulltextSearch?.provider === 'meilisearch') {
+			if (!config.meilisearch) {
+				throw new Error('MeiliSearch is enabled but no configuration is provided');
+			}
+
 			return new MeiliSearch({
 				host: `${config.meilisearch.ssl ? 'https' : 'http'}://${config.meilisearch.host}:${config.meilisearch.port}`,
 				apiKey: config.meilisearch.apiKey,