Fix replies url, add repliesFor method to client

src/client/index.ts

@@ -1,4 +1,4 @@
-import { APActivity } from 'activitypub-types'
+import { APActivity, APObject } from 'activitypub-types'
 import { fetch as signedFetch, generateKeypair } from 'http-signed-fetch'
 import { KeyPair } from '../keypair.js'
 import { ActorInfo } from '../schemas.js'
@@ -187,6 +187,13 @@ export class SocialInboxClient {
     return await response.json()
   }
 
+  async repliesFor (inReplyTo: string, actor: string): Promise<APObject[]> {
+    // TODO: Handle collection stuff and paging
+    const response = await this.sendRequest(GET, `/${actor}/inbox/replies/${inReplyTo}`)
+    const collection = await response.json()
+    return collection.item ?? collection.orderedItems
+  }
+
   async postToInbox (activity: APActivity, actor: string = this.account): Promise<void> {
     await this.sendRequest(POST, `/${actor}/inbox`, TYPE_LDJSON, activity)
   }

src/server/api/inbox.ts

@@ -120,7 +120,7 @@ export const inboxRoutes = (cfg: APIConfig, store: Store, apsystem: ActivityPubS
       inReplyTo: string
     }
     Reply: APOrderedCollection | string
-  }>('/:actor/outbox/replies/:inReplyTo', {
+  }>('/:actor/inbox/replies/:inReplyTo', {
     schema: {
       params: Type.Object({
         actor: Type.String(),