[chat] fix favorite thread

apps/chat/src/chat.app.ts

@@ -20,6 +20,7 @@ import {
 	CreatePartyChatResponse,
 	CreateThreadRequest,
 	CreateThreadResponse,
+	FavoriteChatResponse,
 	FavoriteThreadRequest,
 	form,
 	json,
@@ -572,7 +573,7 @@ async function formField(c: Context<App>, name: string): Promise<string | undefi
 
 /**
  * A concise `describeRoute` spec for one of the thread-scoped actions that answers the
- * bare ChatResult integer rather than an HTTP status — rename, leave, snooze, favorite,
+ * bare ChatResult integer rather than an HTTP status — rename, leave, snooze,
  * add-member and the read-pointer moves. They share the auth gate, the `:id` path param,
  * and the "3 when the caller isn't on the thread" behaviour.
  */
@@ -1361,28 +1362,44 @@ const app = new Hono<App>()
 
 	// Favorite or unfavorite a thread (`favorite=True`), for the caller alone — like
 	// snoozing, it's a per-member flag that pins the thread in their own inbox.
+	//
+	// Answers the client's `FavoriteChatResponse` — a bare `{ ChatResult, IsFavorited }`
+	// object, not the bare ChatResult integer the neighbouring thread actions answer.
 	.on(
 		['PUT', 'POST'],
 		'/thread/:id{[0-9]+}/favorite',
-		chatResultRoute(
-			'Favorite or unfavorite a thread',
-			[
+		describeRoute({
+			tags: ['Chat'],
+			summary: 'Favorite or unfavorite a thread',
+			description: [
 				'Like snoozing, a per-member flag that pins the thread in the caller’s own inbox and',
-				'leaves everyone else’s untouched.',
+				'leaves everyone else’s untouched. Answers the client’s `FavoriteChatResponse`, a bare',
+				'`{ ChatResult, IsFavorited }` object — not the bare ChatResult integer the other thread',
+				'actions answer.',
 			].join(' '),
-			{ requestBody: form(FavoriteThreadRequest, 'The favorite flag') }
+			security: AUTHED,
+			parameters: [THREAD_ID_PARAM],
+			requestBody: form(FavoriteThreadRequest, 'The favorite flag'),
+			responses: {
+				200: json(
+					FavoriteChatResponse,
+					'ChatResult 0 and the new flag on success; ChatResult 3 when the caller isn’t on the thread'
 				),
+				401: UNAUTHORIZED_RESPONSE,
+			},
+		}),
 		async (c) => {
 			const id = await authedId(c)
 			if (id === null) return c.body(null, 401)
 
 			const chatThreadId = Number.parseInt(c.req.param('id'), 10)
 			if (!(await isThreadMember(c.env.DB, chatThreadId, id))) {
-				return c.json(CHAT_MEMBERSHIP_NOT_FOUND)
+				return c.json({ ChatResult: CHAT_MEMBERSHIP_NOT_FOUND, IsFavorited: false })
 			}
 
-			await setThreadFavorited(c.env.DB, chatThreadId, id, await formBool(c, 'favorite'))
-			return c.json(CHAT_SUCCESS)
+			const isFavorited = await formBool(c, 'favorite')
+			await setThreadFavorited(c.env.DB, chatThreadId, id, isFavorited)
+			return c.json({ ChatResult: CHAT_SUCCESS, IsFavorited: isFavorited })
 		}
 	)
 

apps/chat/src/openapi.ts

@@ -388,6 +388,18 @@ export const FavoriteThreadRequest = z.object({
 		.describe('`True`/`False` as the client spells it (`1`/`yes` also count as true)'),
 })
 
+/**
+ * `PUT|POST /thread/:id/favorite` response — the client's `FavoriteChatResponse`, a bare
+ * two-key object with no envelope. Unlike the other thread actions it is NOT a bare
+ * ChatResult integer: the client parses this object either way.
+ */
+export const FavoriteChatResponse = z.object({
+	ChatResult,
+	IsFavorited: z
+		.boolean()
+		.describe('The caller’s favorite flag after the call (false when they aren’t on the thread)'),
+})
+
 // ---- Shared parameters -----------------------------------------------------
 
 /** The numeric `:id` path segment naming a thread (constrained to digits by the route). */

apps/chat/src/test/integration/api.test.ts

@@ -2164,13 +2164,17 @@ describe('PUT /thread/:id/favorite', () => {
 
 		const res = await favorite(caller, chatThreadId, 'favorite=True')
 		expect(res.status).toBe(200)
-		expect(await res.json()).toBe(0)
+		// The client's FavoriteChatResponse: a bare 2-key object, no envelope.
+		expect(await res.json()).toEqual({ ChatResult: 0, IsFavorited: true })
 
 		expect((await getThreadForPlayer(env.DB, chatThreadId, caller))?.isFavorited).toBe(true)
 		// Per-member, like snoozing: the other player's inbox is untouched.
 		expect((await getThreadForPlayer(env.DB, chatThreadId, other))?.isFavorited).toBe(false)
 
-		await favorite(caller, chatThreadId, 'favorite=False')
+		expect(await (await favorite(caller, chatThreadId, 'favorite=False')).json()).toEqual({
+			ChatResult: 0,
+			IsFavorited: false,
+		})
 		expect((await getThreadForPlayer(env.DB, chatThreadId, caller))?.isFavorited).toBe(false)
 	})
 
@@ -2178,13 +2182,19 @@ describe('PUT /thread/:id/favorite', () => {
 		const caller = 893003
 		const chatThreadId = await createThread(env.DB, [caller, 893004], null, caller)
 
-		expect(await (await favorite(caller, chatThreadId, 'favorite=True', 'POST')).json()).toBe(0)
+		expect(await (await favorite(caller, chatThreadId, 'favorite=True', 'POST')).json()).toEqual({
+			ChatResult: 0,
+			IsFavorited: true,
+		})
 		expect((await getThreadForPlayer(env.DB, chatThreadId, caller))?.isFavorited).toBe(true)
 	})
 
 	it('refuses a thread the caller is not on', async () => {
 		const chatThreadId = await createThread(env.DB, [893005, 893006], null, 893005)
-		expect(await (await favorite(893007, chatThreadId, 'favorite=True')).json()).toBe(3)
+		expect(await (await favorite(893007, chatThreadId, 'favorite=True')).json()).toEqual({
+			ChatResult: 3,
+			IsFavorited: false,
+		})
 	})
 
 	it('401s without a token', async () => {