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improvement(mothership): message queueing for home chat #3576

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Merged
waleedlatif1 merged 10 commits into from
Mar 14, 2026
Merged

improvement(mothership): message queueing for home chat #3576

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8610d67
improvement(mothership): message queueing for home chat
waleedlatif1 Mar 14, 2026
7456c3c
fix(mothership): address PR review — move FileAttachmentForApi to typ…
waleedlatif1 Mar 14, 2026
84ad165
fix(mothership): replace updater side-effect with useEffect ref sync,…
waleedlatif1 Mar 14, 2026
67d328d
fix(mothership): clear message queue on chat switch while sending
waleedlatif1 Mar 14, 2026
3f17446
fix(mothership): remove stale isSending from handleKeyDown deps
waleedlatif1 Mar 14, 2026
d8ad8a4
fix(mothership): guard sendNow against double-click duplicate sends
waleedlatif1 Mar 14, 2026
af7a2a8
fix(mothership): simplify queue callbacks — drop redundant deps and g…
waleedlatif1 Mar 14, 2026
71a83af
fix(mothership): clear edit value on nav, stop queue drain on send fa…
waleedlatif1 Mar 14, 2026
8c0fe13
fix(mothership): eagerly update messageQueueRef in removeFromQueue
waleedlatif1 Mar 14, 2026
ad0d418
fix(mothership): mark onSendNow as explicit fire-and-forget
waleedlatif1 Mar 14, 2026
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fix(mothership): replace updater side-effect with useEffect ref sync,… 
… move sendMessageRef to useLayoutEffect
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@waleedlatif1
waleedlatif1 committed Mar 14, 2026
commit 84ad16531fa26a60626a54c35f459f720026dc85
21 changes: 8 additions & 13 deletions apps/sim/app/workspace/[workspaceId]/home/hooks/use-chat.ts
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
import { useCallback, useEffect, useRef, useState } from 'react'
import { useCallback, useEffect, useLayoutEffect, useRef, useState } from 'react'
import { createLogger } from '@sim/logger'
import { useQueryClient } from '@tanstack/react-query'
import { usePathname } from 'next/navigation'
Expand Down Expand Up @@ -261,18 +261,11 @@ export function useChat(
const activeResourceIdRef = useRef(activeResourceId)
activeResourceIdRef.current = activeResourceId

const [messageQueue, setMessageQueueRaw] = useState<QueuedMessage[]>([])
const [messageQueue, setMessageQueue] = useState<QueuedMessage[]>([])
const messageQueueRef = useRef<QueuedMessage[]>([])
const setMessageQueue = useCallback(
(update: QueuedMessage[] | ((prev: QueuedMessage[]) => QueuedMessage[])) => {
setMessageQueueRaw((prev) => {
const next = typeof update === 'function' ? update(prev) : update
messageQueueRef.current = next
return next
})
},
[]
)
useEffect(() => {
messageQueueRef.current = messageQueue
}, [messageQueue])

const sendMessageRef = useRef<UseChatReturn['sendMessage']>(async () => {})

Expand Down Expand Up @@ -921,7 +914,9 @@ export function useChat(
},
[workspaceId, queryClient, processSSEStream, finalize]
)
sendMessageRef.current = sendMessage
useLayoutEffect(() => {
sendMessageRef.current = sendMessage
})

const stopGeneration = useCallback(async () => {
if (sendingRef.current) {
Expand Down
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