Setup Postgres-based message queue

src/database/index.ts

@@ -1,6 +1,7 @@
 import Postgres from "@@npm/postgres"
 import { getLogger } from "@logtape/logtape"
-import { exportJwk, generateCryptoKeyPair, KvStore } from "@fedify/fedify"
+import { exportJwk, generateCryptoKeyPair, KvStore, MessageQueue } from "@fedify/fedify"
+import { PostgresMessageQueue } from "@fedify/postgres"
 import { PostgresKvStore } from "@fedify/postgres/kv"
 
 
@@ -50,6 +51,11 @@ export class Database {
 		return new PostgresKvStore(this.sql, {})
 	}
 
+	useAsMessageQueue(): MessageQueue {
+		l.info`Creating Postgres message queue...`
+		return new PostgresMessageQueue(this.sql, {})
+	}
+
 	async #doQueryFile<T>(path: string, variables: Postgres.ParameterOrJSON<any>[] = []): Promise<Postgres.RowList<T[]>> {
 		try {
 			l.debug`Running query at ${path}...`

src/dv/index.ts

@@ -23,6 +23,7 @@ export class DotinoVeloce {
 		
 		this.federation = createFederation<ContextData>({ 
 			kv: db.useAsKvStore(),
+			queue: db.useAsMessageQueue(),
 		})
 		
 		this.federation