supermemory/apps/web/components/chat/index.tsx

2194 lines
65 KiB
TypeScript

"use client"
import { useState, useEffect, useCallback, useRef, useMemo } from "react"
import { useQuery } from "@tanstack/react-query"
import { $fetch } from "@lib/api"
import { useQueryState } from "nuqs"
import type { UIMessage } from "@ai-sdk/react"
import { motion } from "motion/react"
import { useChat } from "@ai-sdk/react"
import { isWebSearchToolName } from "@/lib/chat-web-search-tools"
import { DefaultChatTransport } from "ai"
import NovaOrb from "@/components/nova/nova-orb"
import { Button } from "@ui/components/button"
import {
Sheet,
SheetContent,
SheetDescription,
SheetHeader,
SheetTitle,
} from "@ui/components/sheet"
import { ScrollArea } from "@ui/components/scroll-area"
import {
ArrowLeftIcon,
Check,
ChevronDownIcon,
HistoryIcon,
Plus,
Search,
SquarePenIcon,
Trash2,
XIcon,
} from "lucide-react"
import { formatDistanceToNow } from "date-fns"
import { cn } from "@lib/utils"
import { dmSansClassName } from "@/lib/fonts"
import ChatInput from "./input"
import ChatModelSelector from "./model-selector"
import { getNovaChatErrorCopy } from "@/lib/chat-stream-error"
import { useProject } from "@/stores"
import { useContainerTags } from "@/hooks/use-container-tags"
import { getChatSpaceDisplayLabel } from "@/lib/chat-space-label"
import {
getDefaultReasoningEffort,
modelNames,
type ModelId,
type ReasoningEffort,
} from "@/lib/models"
import { SpaceSelector } from "@/components/space-selector"
import { SuperLoader } from "../superloader"
import { UserMessage } from "./message/user-message"
import {
AgentMessage,
isChatToolDisplayPartType,
} from "./message/agent-message"
import { ChatGraphContextRail } from "./chat-graph-context-rail"
import { ChainOfThought } from "./input/chain-of-thought"
import { useIsMobile } from "@hooks/use-mobile"
import { useAuth } from "@lib/auth-context"
import { analytics } from "@/lib/analytics"
import { generateId } from "@lib/generate-id"
import { useViewMode } from "@/lib/view-mode-context"
import { threadParam } from "@/lib/search-params"
import { AUTO_CHAT_SPACE_ID } from "@/lib/chat-auto-space"
import { ChatEmptyStatePlaceholder } from "./chat-empty-state"
import { toast } from "sonner"
import {
chatAttachmentKey,
CHAT_ATTACHMENT_ACCEPT,
createChatAttachmentDraft,
type ChatAttachment,
type ChatAttachmentDraft,
isAcceptedChatAttachment,
} from "./attachments"
import { cacheFileBlob, removeCachedFile } from "@/lib/file-cache"
import { ReasoningSelector } from "./reasoning-selector"
type ChatMessageSendSource = "typed" | "suggested" | "highlight" | "home"
const DISCARD_ATTACHMENT_MAX_ATTEMPTS = 15
const DISCARD_ATTACHMENT_RETRY_MS = 2000
type RawChatAttachmentResponse = Partial<ChatAttachment> & {
attachment?: Partial<ChatAttachment>
}
function normalizeChatAttachmentResponse(
data: RawChatAttachmentResponse,
draft: ChatAttachmentDraft,
): ChatAttachment {
const attachment = data.attachment ?? data
const id = attachment.id ?? attachment.documentId ?? draft.id
return {
id,
documentId: attachment.documentId,
filename: attachment.filename ?? draft.file.name,
mediaType:
(attachment.mediaType ?? draft.file.type) || "application/octet-stream",
size: attachment.size ?? draft.file.size,
saveToMemory: attachment.saveToMemory ?? draft.saveToMemory,
status: attachment.status ?? "ready",
url: attachment.url,
contentPreview: attachment.contentPreview,
}
}
export function ChatLaunchFab({
onOpen,
isMobile,
}: {
onOpen: () => void
isMobile: boolean
}) {
return (
<motion.div
className={cn(
"flex items-start justify-start pointer-events-none",
isMobile
? "fixed bottom-safe-5 right-0 left-0 z-50 justify-center items-center pl-safe pr-safe"
: "fixed z-20 top-24 right-4 md:right-6",
dmSansClassName(),
)}
layoutId="chat-toggle-button"
>
<motion.button
type="button"
onClick={onOpen}
className={cn(
"pointer-events-auto flex items-center gap-3 rounded-full px-3 py-1.5 text-sm font-medium border text-white cursor-pointer whitespace-nowrap",
isMobile
? "gap-2.5 px-5 py-3 text-[15px] border-[#1E2128] shadow-[0_8px_32px_rgba(0,0,0,0.5),0_2px_8px_rgba(0,0,0,0.3)]"
: "border-[#17181A] shadow-lg",
)}
style={{
background: isMobile
? "linear-gradient(135deg, #12161C 0%, #0A0D12 100%)"
: "linear-gradient(180deg, #0A0E14 0%, #05070A 100%)",
}}
whileHover={{ scale: 1.02 }}
whileTap={{ scale: 0.98 }}
>
<NovaOrb size={isMobile ? 26 : 24} className="blur-[0.6px]! z-10" />
<span className={cn(isMobile && "font-medium")}>Chat with Nova</span>
</motion.button>
</motion.div>
)
}
type QueuedChatMessage = {
id: string
text: string
model: ModelId
reasoningEffort: ReasoningEffort
attachments?: ChatAttachment[]
}
const CHAT_QUEUE_LIMIT = 3
function normalizeModelId(value: unknown): ModelId | null {
if (typeof value !== "string") return null
return value in modelNames ? (value as ModelId) : null
}
function getMessageResponseModel(message: UIMessage): ModelId | null {
const metadata = (
message as UIMessage & { metadata?: Record<string, unknown> }
).metadata
return (
normalizeModelId(metadata?.model) ??
normalizeModelId(metadata?.responseModel) ??
null
)
}
export function ChatSidebar({
isChatOpen,
setIsChatOpen: _setIsChatOpen,
queuedMessage,
queuedHighlightContent,
onConsumeQueuedMessage,
queuedMessageSource = "highlight",
queuedAttachments = null,
initialSelectedModel = null,
initialReasoningEffort = null,
initialChatProject = null,
emptyStateSuggestions,
layout = "sidebar",
}: {
isChatOpen: boolean
setIsChatOpen: (open: boolean) => void
queuedMessage?: string | null
queuedHighlightContent?: string | null
onConsumeQueuedMessage?: () => void
queuedMessageSource?: "highlight" | "home"
queuedAttachments?: ChatAttachmentDraft[] | null
initialSelectedModel?: ModelId | null
initialReasoningEffort?: ReasoningEffort | null
initialChatProject?: string | null
emptyStateSuggestions?: string[]
layout?: "sidebar" | "page"
}) {
const isMobile = useIsMobile()
const isPageDesktop = layout === "page" && !isMobile
const [input, setInput] = useState("")
const [attachmentDrafts, setAttachmentDrafts] = useState<
ChatAttachmentDraft[]
>([])
const [isChatDraggingFiles, setIsChatDraggingFiles] = useState(false)
const [selectedModel, setSelectedModel] = useState<ModelId>(
initialSelectedModel ?? "grok-4.5",
)
const [reasoningEffort, setReasoningEffort] = useState<ReasoningEffort>(
initialReasoningEffort ??
getDefaultReasoningEffort(initialSelectedModel ?? "grok-4.5"),
)
const selectedModelRef = useRef(selectedModel)
selectedModelRef.current = selectedModel
const reasoningEffortRef = useRef(reasoningEffort)
reasoningEffortRef.current = reasoningEffort
const [messageQueue, setMessageQueue] = useState<QueuedChatMessage[]>([])
const queuedDispatchInFlightRef = useRef(false)
const queuedDispatchSawResponseRef = useRef(false)
const [copiedMessageId, setCopiedMessageId] = useState<string | null>(null)
const [hoveredMessageId, setHoveredMessageId] = useState<string | null>(null)
const [messageFeedback, setMessageFeedback] = useState<
Record<string, "like" | "dislike" | null>
>({})
const [expandedMemories, setExpandedMemories] = useState<string | null>(null)
const [isInputExpanded, setIsInputExpanded] = useState(false)
const [isScrolledToBottom, setIsScrolledToBottom] = useState(true)
const [heightOffset, setHeightOffset] = useState(95)
const [isHistoryOpen, setIsHistoryOpen] = useState(false)
const [historyScope, setHistoryScope] = useState<"current" | "all">("current")
const [historySearch, setHistorySearch] = useState("")
const [threads, setThreads] = useState<
Array<{
id: string
title: string
createdAt: string
updatedAt: string
space?: {
containerTag: string
name: string
emoji?: string
isDefault: boolean
}
}>
>([])
const [isLoadingThreads, setIsLoadingThreads] = useState(false)
const [confirmingDeleteId, setConfirmingDeleteId] = useState<string | null>(
null,
)
const messagesContainerRef = useRef<HTMLDivElement>(null)
const chatDragDepthRef = useRef(0)
const isScrolledToBottomRef = useRef(true)
const userJustSentRef = useRef(false)
const sentQueuedMessageRef = useRef<string | null>(null)
const truncateFromMessageIdRef = useRef<string | null>(null)
const pendingRegenerationRef = useRef<{
text: string
} | null>(null)
const pendingSendSettingsRef = useRef<{
model: ModelId
reasoningEffort: ReasoningEffort
} | null>(null)
const pendingResponseModelsRef = useRef<ModelId[]>([])
const seenAssistantMessageIdsRef = useRef<Set<string>>(new Set())
const [responseModelByMessageId, setResponseModelByMessageId] = useState<
Record<string, ModelId>
>({})
const [regenerationBaseLength, setRegenerationBaseLength] = useState<
number | null
>(null)
const pendingHighlightReplyRef = useRef<string | null>(null)
const awaitingHighlightInjectionRef = useRef(false)
const pendingHighlightMessageRef = useRef<UIMessage[] | null>(null)
const targetHighlightChatIdRef = useRef<string | null>(null)
const pendingRequestAttachmentsRef = useRef<ChatAttachment[]>([])
const uploadPromisesRef = useRef<Map<string, Promise<ChatAttachment>>>(
new Map(),
)
const abortControllersRef = useRef<Map<string, AbortController>>(new Map())
const discardedDraftIdsRef = useRef<Set<string>>(new Set())
const { selectedProject } = useProject()
const [chatSpaceProjects, setChatSpaceProjects] = useState<string[]>([
initialChatProject ?? AUTO_CHAT_SPACE_ID,
])
const chatProject = chatSpaceProjects[0] ?? selectedProject
const { allProjects } = useContainerTags()
const selectedProjectRef = useRef(chatProject)
selectedProjectRef.current = chatProject
const chatSpaceLabel = useMemo(
() =>
chatProject === AUTO_CHAT_SPACE_ID
? "Auto"
: getChatSpaceDisplayLabel({
selectedProject: chatProject,
allProjects,
}),
[chatProject, allProjects],
)
const isAutoChatSpace = chatProject === AUTO_CHAT_SPACE_ID
const { data: chatSpaceMemoryCount } = useQuery({
queryKey: ["chat-empty-space-count", chatProject],
queryFn: async (): Promise<number> => {
const response = await $fetch("@post/documents/documents", {
body: {
page: 1,
limit: 1,
sort: "createdAt",
order: "desc",
containerTags: [chatProject],
},
disableValidation: true,
})
if (response.error) return 0
const data = response.data as {
pagination?: { totalItems?: number }
} | null
return data?.pagination?.totalItems ?? 0
},
staleTime: 30 * 1000,
enabled: !!chatProject && !isAutoChatSpace,
})
const emptyStateSubtitle = useMemo(() => {
if (isAutoChatSpace) {
return "Picks the best space for each question"
}
if (chatSpaceMemoryCount === undefined) {
return `Grounded in ${chatSpaceLabel}`
}
if (chatSpaceMemoryCount === 0) {
return `Nothing in ${chatSpaceLabel} yet`
}
const countLabel = chatSpaceMemoryCount.toLocaleString()
const memoryWord = chatSpaceMemoryCount === 1 ? "memory" : "memories"
return `${countLabel} ${memoryWord} in ${chatSpaceLabel}`
}, [isAutoChatSpace, chatSpaceLabel, chatSpaceMemoryCount])
const { viewMode } = useViewMode()
const { user: _user } = useAuth()
const [threadId, setThreadId] = useQueryState("thread", threadParam)
const [fallbackChatId, setFallbackChatId] = useState(() => generateId())
const currentChatId = threadId ?? fallbackChatId
const chatIdRef = useRef(currentChatId)
chatIdRef.current = currentChatId
const _setCurrentChatId = useCallback(
(id: string) => setThreadId(id),
[setThreadId],
)
const chatApiBase =
process.env.NEXT_PUBLIC_BACKEND_URL ?? "https://api.supermemory.ai"
const chatTransport = useMemo(
() =>
new DefaultChatTransport({
api: `${chatApiBase}/chat`,
credentials: "include",
prepareSendMessagesRequest: ({ messages }) => {
const sendSettings = pendingSendSettingsRef.current
pendingSendSettingsRef.current = null
// Tool parts (incl. Anthropic server-side web search) don't round-trip
// through convertToModelMessages and cause tool_use/tool_result mismatches.
const sanitizedMessages = messages.map((m) => ({
...m,
parts: (m.parts ?? []).filter(
(p) => !p.type.startsWith("tool-") && p.type !== "dynamic-tool",
),
}))
return {
body: {
messages: sanitizedMessages,
metadata: {
chatId: chatIdRef.current,
projectId: selectedProjectRef.current,
spaceMode:
selectedProjectRef.current === AUTO_CHAT_SPACE_ID
? "auto"
: "manual",
enableSpaceDiscovery:
selectedProjectRef.current === AUTO_CHAT_SPACE_ID,
model: sendSettings?.model ?? selectedModelRef.current,
reasoningEffort:
sendSettings?.reasoningEffort ?? reasoningEffortRef.current,
truncateFromMessageId: truncateFromMessageIdRef.current,
...(pendingRequestAttachmentsRef.current.length > 0 && {
attachments: pendingRequestAttachmentsRef.current,
}),
},
},
}
},
}),
[chatApiBase],
)
const [pendingThreadLoad, setPendingThreadLoad] = useState<{
id: string
messages: UIMessage[]
} | null>(null)
const [loadedThreadScrollTarget, setLoadedThreadScrollTarget] = useState<{
id: string
messageCount: number
lastMessageId: string | null
} | null>(null)
// Adjust chat height based on scroll position (desktop only, grid mode only)
useEffect(() => {
if (isMobile) return
if (viewMode === "graph") return
if (layout === "page") return
const handleWindowScroll = () => {
const scrollThreshold = 80
const scrollY = window.scrollY
const progress = Math.min(scrollY / scrollThreshold, 1)
const newOffset = 95 - progress * (95 - 15)
setHeightOffset(newOffset)
}
window.addEventListener("scroll", handleWindowScroll, { passive: true })
handleWindowScroll()
return () => window.removeEventListener("scroll", handleWindowScroll)
}, [isMobile, viewMode, layout])
const {
messages,
sendMessage,
status,
setMessages,
stop,
error,
clearError,
} = useChat({
id: currentChatId ?? undefined,
transport: chatTransport,
})
const chatStreamError = useMemo(
() => (error ? getNovaChatErrorCopy(error, selectedModel) : null),
[error, selectedModel],
)
useEffect(() => {
if (error) {
pendingResponseModelsRef.current = []
}
}, [error])
useEffect(() => {
const updates: Record<string, ModelId> = {}
for (const message of messages) {
if (message.role !== "assistant") continue
if (seenAssistantMessageIdsRef.current.has(message.id)) continue
seenAssistantMessageIdsRef.current.add(message.id)
const responseModel =
getMessageResponseModel(message) ??
pendingResponseModelsRef.current.shift() ??
null
if (responseModel) {
updates[message.id] = responseModel
}
}
if (Object.keys(updates).length === 0) return
setResponseModelByMessageId((prev) => ({ ...prev, ...updates }))
}, [messages])
const handleModelChange = useCallback(
(modelId: ModelId) => {
setSelectedModel(modelId)
setReasoningEffort(getDefaultReasoningEffort(modelId))
clearError()
},
[clearError],
)
const setAttachmentDraftState = useCallback(
(id: string, patch: Partial<ChatAttachmentDraft>) => {
setAttachmentDrafts((prev) =>
prev.map((item) => (item.id === id ? { ...item, ...patch } : item)),
)
},
[],
)
const discardUploadedAttachment = useCallback(
(documentId: string) => {
void removeCachedFile(documentId)
const run = async (attempt: number): Promise<void> => {
try {
const response = await fetch(
`${chatApiBase}/chat/attachments/${documentId}`,
{
method: "DELETE",
credentials: "include",
},
)
if (
response.status === 409 &&
attempt < DISCARD_ATTACHMENT_MAX_ATTEMPTS
) {
setTimeout(() => {
void run(attempt + 1)
}, DISCARD_ATTACHMENT_RETRY_MS)
return
}
if (!response.ok && response.status !== 404) {
console.warn("Failed to discard chat attachment", {
documentId,
status: response.status,
})
}
} catch (error) {
if (attempt < DISCARD_ATTACHMENT_MAX_ATTEMPTS) {
setTimeout(() => {
void run(attempt + 1)
}, DISCARD_ATTACHMENT_RETRY_MS)
return
}
console.warn("Failed to discard chat attachment", {
documentId,
error,
})
}
}
void run(1)
},
[chatApiBase],
)
const uploadAttachmentDraft = useCallback(
(
draft: ChatAttachmentDraft,
chatIdForUpload: string,
): Promise<ChatAttachment> => {
if (draft.status === "uploaded" && draft.uploaded) {
return Promise.resolve(draft.uploaded)
}
const inflight = uploadPromisesRef.current.get(draft.id)
if (inflight) return inflight
const uploadPromise = (async (): Promise<ChatAttachment> => {
const controller = new AbortController()
abortControllersRef.current.set(draft.id, controller)
setAttachmentDraftState(draft.id, {
status: "uploading",
errorMessage: undefined,
})
const formData = new FormData()
formData.append("file", draft.file)
formData.append("threadId", chatIdForUpload)
formData.append("projectId", selectedProjectRef.current)
formData.append("saveToMemory", String(draft.saveToMemory))
try {
const response = await fetch(`${chatApiBase}/chat/attachments`, {
method: "POST",
body: formData,
credentials: "include",
signal: controller.signal,
})
if (!response.ok) {
let message = "Failed to upload attachment"
try {
const error = (await response.json()) as {
error?: string
message?: string
}
message = error.error ?? error.message ?? message
} catch {
// keep the fallback error
}
throw new Error(message)
}
const data = (await response.json()) as RawChatAttachmentResponse
const attachment = normalizeChatAttachmentResponse(data, draft)
abortControllersRef.current.delete(draft.id)
if (discardedDraftIdsRef.current.has(draft.id)) {
discardedDraftIdsRef.current.delete(draft.id)
if (attachment.documentId) {
discardUploadedAttachment(attachment.documentId)
}
return attachment
}
if (attachment.documentId) {
void cacheFileBlob(
attachment.documentId,
draft.file,
draft.file.type,
)
}
setAttachmentDraftState(draft.id, {
status: "uploaded",
uploaded: attachment,
})
return attachment
} catch (error) {
abortControllersRef.current.delete(draft.id)
uploadPromisesRef.current.delete(draft.id)
if (error instanceof DOMException && error.name === "AbortError") {
throw error
}
if (discardedDraftIdsRef.current.has(draft.id)) {
discardedDraftIdsRef.current.delete(draft.id)
throw error
}
const message =
error instanceof Error
? error.message
: "Failed to upload attachment"
setAttachmentDraftState(draft.id, {
status: "error",
errorMessage: message,
})
throw error
}
})()
uploadPromisesRef.current.set(draft.id, uploadPromise)
return uploadPromise
},
[chatApiBase, discardUploadedAttachment, setAttachmentDraftState],
)
const uploadAttachmentDrafts = useCallback(
async (drafts: ChatAttachmentDraft[], chatIdForUpload: string) => {
const uploaded: ChatAttachment[] = []
for (const draft of drafts) {
uploaded.push(await uploadAttachmentDraft(draft, chatIdForUpload))
}
return uploaded
},
[uploadAttachmentDraft],
)
const handleAddAttachmentFiles = useCallback(
(files: FileList | File[]) => {
const incoming = Array.from(files)
const accepted = incoming.filter(isAcceptedChatAttachment)
const rejected = incoming.length - accepted.length
if (rejected > 0) {
toast.error(
rejected === 1
? "One attachment is not supported or is over 50MB"
: `${rejected} attachments are not supported or are over 50MB`,
)
}
if (accepted.length === 0) return
const existingKeys = new Set(
attachmentDrafts.map((item) => chatAttachmentKey(item.file)),
)
const nextItems: ChatAttachmentDraft[] = []
let duplicateCount = 0
for (const file of accepted) {
const key = chatAttachmentKey(file)
if (existingKeys.has(key)) {
duplicateCount++
continue
}
existingKeys.add(key)
nextItems.push(createChatAttachmentDraft(file))
}
if (duplicateCount > 0) {
toast.message(
duplicateCount === 1
? "Skipped duplicate attachment"
: `Skipped ${duplicateCount} duplicate attachments`,
)
}
if (nextItems.length === 0) return
setAttachmentDrafts((prev) => [...prev, ...nextItems])
for (const draft of nextItems) {
void uploadAttachmentDraft(draft, currentChatId).catch(() => {
// Upload errors are reflected on the draft state unless the draft was removed.
})
}
},
[attachmentDrafts, currentChatId, uploadAttachmentDraft],
)
const handleRemoveAttachment = useCallback(
(id: string) => {
const draft = attachmentDrafts.find((item) => item.id === id)
discardedDraftIdsRef.current.add(id)
const controller = abortControllersRef.current.get(id)
if (controller) {
controller.abort()
abortControllersRef.current.delete(id)
}
uploadPromisesRef.current.delete(id)
const documentId = draft?.uploaded?.documentId
if (draft?.status === "uploaded" && documentId) {
discardUploadedAttachment(documentId)
}
setAttachmentDrafts((prev) => prev.filter((item) => item.id !== id))
},
[attachmentDrafts, discardUploadedAttachment],
)
const handleRetryAttachment = useCallback(
(id: string) => {
const draft = attachmentDrafts.find((item) => item.id === id)
if (!draft) return
void uploadAttachmentDraft(draft, currentChatId)
},
[attachmentDrafts, currentChatId, uploadAttachmentDraft],
)
const hasDraggedFiles = useCallback(
(event: React.DragEvent) =>
Array.from(event.dataTransfer.types).includes("Files"),
[],
)
const resetChatFileDrag = useCallback(() => {
chatDragDepthRef.current = 0
setIsChatDraggingFiles(false)
}, [])
const handleChatDragEnter = useCallback(
(event: React.DragEvent) => {
if (!hasDraggedFiles(event)) return
event.preventDefault()
event.stopPropagation()
chatDragDepthRef.current += 1
if (status !== "submitted" && status !== "streaming") {
setIsChatDraggingFiles(true)
}
},
[hasDraggedFiles, status],
)
const handleChatDragOver = useCallback(
(event: React.DragEvent) => {
if (!hasDraggedFiles(event)) return
event.preventDefault()
event.stopPropagation()
event.dataTransfer.dropEffect =
status === "submitted" || status === "streaming" ? "none" : "copy"
},
[hasDraggedFiles, status],
)
const handleChatDragLeave = useCallback(
(event: React.DragEvent) => {
if (!hasDraggedFiles(event)) return
event.preventDefault()
event.stopPropagation()
chatDragDepthRef.current = Math.max(0, chatDragDepthRef.current - 1)
if (chatDragDepthRef.current === 0) {
setIsChatDraggingFiles(false)
}
},
[hasDraggedFiles],
)
const handleChatDrop = useCallback(
(event: React.DragEvent) => {
if (!hasDraggedFiles(event)) return
event.preventDefault()
event.stopPropagation()
resetChatFileDrag()
const files = event.dataTransfer.files
if (status !== "submitted" && status !== "streaming" && files.length) {
handleAddAttachmentFiles(files)
}
},
[handleAddAttachmentFiles, hasDraggedFiles, resetChatFileDrag, status],
)
useEffect(() => {
if (status === "submitted" || status === "streaming") {
resetChatFileDrag()
}
}, [resetChatFileDrag, status])
useEffect(() => {
if (pendingThreadLoad && currentChatId === pendingThreadLoad.id) {
setMessages(pendingThreadLoad.messages)
setLoadedThreadScrollTarget({
id: pendingThreadLoad.id,
messageCount: pendingThreadLoad.messages.length,
lastMessageId:
pendingThreadLoad.messages[pendingThreadLoad.messages.length - 1]
?.id ?? null,
})
setPendingThreadLoad(null)
}
}, [currentChatId, pendingThreadLoad, setMessages])
const checkIfScrolledToBottom = useCallback(() => {
if (!messagesContainerRef.current) return
const container = messagesContainerRef.current
const { scrollTop, scrollHeight, clientHeight } = container
const distanceFromBottom = scrollHeight - scrollTop - clientHeight
const isAtBottom = distanceFromBottom <= 20
isScrolledToBottomRef.current = isAtBottom
setIsScrolledToBottom(isAtBottom)
}, [])
const scrollToBottom = useCallback(() => {
if (messagesContainerRef.current) {
messagesContainerRef.current.scrollTop =
messagesContainerRef.current.scrollHeight
isScrolledToBottomRef.current = true
setIsScrolledToBottom(true)
}
}, [])
const submitChatMessage = useCallback(
async (
text: string,
source: ChatMessageSendSource,
drafts = attachmentDrafts,
): Promise<boolean> => {
const trimmed = text.trim()
if (!trimmed && drafts.length === 0) return false
const hasBusy = drafts.some(
(d) => d.status === "uploading" || d.status === "queued",
)
if (hasBusy) return false
const hasErrored = drafts.some((d) => d.status === "error")
if (hasErrored) return false
const chatIdForSend = threadId ?? fallbackChatId
try {
const uploadedAttachments =
drafts.length > 0
? await uploadAttachmentDrafts(drafts, chatIdForSend)
: []
const messageText = trimmed || "Analyze the attached file(s)."
const isRespondingNow = status === "submitted" || status === "streaming"
if (isRespondingNow) {
if (messageQueue.length >= CHAT_QUEUE_LIMIT) return false
setMessageQueue((prev) => {
if (prev.length >= CHAT_QUEUE_LIMIT) return prev
return [
...prev,
{
id: generateId(),
text: messageText,
model: selectedModel,
reasoningEffort,
attachments: uploadedAttachments,
},
]
})
analytics.chatMessageSent({
source,
attachment_count: uploadedAttachments.length,
saved_attachment_count: uploadedAttachments.filter(
(attachment) => attachment.saveToMemory,
).length,
temporary_attachment_count: uploadedAttachments.filter(
(attachment) => !attachment.saveToMemory,
).length,
})
setInput("")
setAttachmentDrafts([])
uploadPromisesRef.current.clear()
abortControllersRef.current.clear()
discardedDraftIdsRef.current.clear()
userJustSentRef.current = true
scrollToBottom()
return true
}
truncateFromMessageIdRef.current = null
if (!threadId) setThreadId(fallbackChatId)
pendingRequestAttachmentsRef.current = uploadedAttachments
analytics.chatMessageSent({
source,
attachment_count: uploadedAttachments.length,
saved_attachment_count: uploadedAttachments.filter(
(attachment) => attachment.saveToMemory,
).length,
temporary_attachment_count: uploadedAttachments.filter(
(attachment) => !attachment.saveToMemory,
).length,
})
setInput("")
setAttachmentDrafts([])
uploadPromisesRef.current.clear()
abortControllersRef.current.clear()
discardedDraftIdsRef.current.clear()
userJustSentRef.current = true
scrollToBottom()
pendingResponseModelsRef.current.push(selectedModel)
void sendMessage({
text: messageText,
metadata:
uploadedAttachments.length > 0
? { attachments: uploadedAttachments }
: undefined,
}).finally(() => {
pendingRequestAttachmentsRef.current = []
})
return true
} catch (error) {
pendingRequestAttachmentsRef.current = []
toast.error("Failed to send message", {
description:
error instanceof Error ? error.message : "Please try again.",
})
return false
}
},
[
attachmentDrafts,
fallbackChatId,
messageQueue.length,
reasoningEffort,
scrollToBottom,
selectedModel,
sendMessage,
setThreadId,
status,
threadId,
uploadAttachmentDrafts,
],
)
const handleSend = () => {
void submitChatMessage(input, "typed")
}
const handleSuggestedQuestion = useCallback(
(suggestion: string) => {
if (status === "submitted" || status === "streaming") return
analytics.chatSuggestedQuestionClicked()
void submitChatMessage(suggestion, "suggested", [])
},
[status, submitChatMessage],
)
const handleRegenerateFromUserMessage = useCallback(
(
messageId: string,
text: string,
model: ModelId,
nextReasoningEffort: ReasoningEffort,
) => {
const trimmed = text.trim()
if (!trimmed || status === "submitted" || status === "streaming") return
const messageIndex = messages.findIndex(
(message) => message.id === messageId,
)
if (messageIndex === -1) return
truncateFromMessageIdRef.current = messageId
pendingSendSettingsRef.current = {
model,
reasoningEffort: nextReasoningEffort,
}
clearError()
pendingRegenerationRef.current = {
text: trimmed,
}
setRegenerationBaseLength(messageIndex)
setMessages(messages.slice(0, messageIndex))
userJustSentRef.current = true
scrollToBottom()
},
[clearError, messages, scrollToBottom, setMessages, status],
)
useEffect(() => {
const pending = pendingRegenerationRef.current
if (
!pending ||
regenerationBaseLength === null ||
messages.length !== regenerationBaseLength ||
status !== "ready"
) {
return
}
pendingRegenerationRef.current = null
setRegenerationBaseLength(null)
analytics.chatMessageSent({ source: "typed" })
queuedDispatchInFlightRef.current = true
queuedDispatchSawResponseRef.current = false
pendingResponseModelsRef.current.push(
pendingSendSettingsRef.current?.model ?? selectedModelRef.current,
)
sendMessage({ text: pending.text })
window.setTimeout(() => {
truncateFromMessageIdRef.current = null
}, 0)
}, [messages.length, regenerationBaseLength, sendMessage, status])
const handleKeyDown = (e: React.KeyboardEvent) => {
if (e.key === "Enter" && !e.shiftKey && !isMobile) {
e.preventDefault()
handleSend()
}
}
// Keep the user message on stop so it isn't lost when generation is halted
// before any assistant response arrives (ENG-732).
const handleStop = useCallback(() => {
stop()
}, [stop])
const handleCopyMessage = useCallback((messageId: string, text: string) => {
analytics.chatMessageCopied({ message_id: messageId })
navigator.clipboard.writeText(text)
setCopiedMessageId(messageId)
setTimeout(() => setCopiedMessageId(null), 2000)
}, [])
const handleLikeMessage = useCallback(
(messageId: string) => {
const wasLiked = messageFeedback[messageId] === "like"
setMessageFeedback((prev) => ({
...prev,
[messageId]: prev[messageId] === "like" ? null : "like",
}))
if (!wasLiked) {
analytics.chatMessageLiked({ message_id: messageId })
}
},
[messageFeedback],
)
const handleDislikeMessage = useCallback(
(messageId: string) => {
const wasDisliked = messageFeedback[messageId] === "dislike"
setMessageFeedback((prev) => ({
...prev,
[messageId]: prev[messageId] === "dislike" ? null : "dislike",
}))
if (!wasDisliked) {
analytics.chatMessageDisliked({ message_id: messageId })
}
},
[messageFeedback],
)
const handleToggleMemories = useCallback((messageId: string) => {
setExpandedMemories((prev) => {
const isExpanding = prev !== messageId
if (isExpanding) {
analytics.chatMemoryExpanded({ message_id: messageId })
} else {
analytics.chatMemoryCollapsed({ message_id: messageId })
}
return prev === messageId ? null : messageId
})
}, [])
const handleNewChat = useCallback(() => {
analytics.newChatCreated()
const newChatId = generateId()
chatIdRef.current = newChatId
setMessages([])
setThreadId(null)
setFallbackChatId(newChatId)
setInput("")
setAttachmentDrafts([])
for (const controller of abortControllersRef.current.values()) {
controller.abort()
}
abortControllersRef.current.clear()
discardedDraftIdsRef.current.clear()
uploadPromisesRef.current.clear()
setMessageQueue([])
pendingResponseModelsRef.current = []
seenAssistantMessageIdsRef.current = new Set()
setResponseModelByMessageId({})
queuedDispatchInFlightRef.current = false
queuedDispatchSawResponseRef.current = false
}, [setThreadId, setMessages])
const fetchThreads = useCallback(async () => {
setIsLoadingThreads(true)
try {
const params = new URLSearchParams({ projectId: chatProject })
if (historyScope === "all") params.set("scope", "all")
const response = await fetch(
`${chatApiBase}/chat/threads?${params.toString()}`,
{ credentials: "include" },
)
if (response.ok) {
const data = await response.json()
setThreads(data.threads || [])
}
} catch (error) {
console.error("Failed to fetch threads:", error)
} finally {
setIsLoadingThreads(false)
}
}, [chatApiBase, chatProject, historyScope])
useEffect(() => {
if (!isHistoryOpen) return
fetchThreads()
analytics.chatHistoryViewed?.()
}, [isHistoryOpen, fetchThreads])
const loadThread = useCallback(
async (id: string) => {
try {
const response = await fetch(`${chatApiBase}/chat/threads/${id}`, {
credentials: "include",
})
if (response.ok) {
const data = await response.json()
const uiMessages = data.messages.map(
(m: {
id: string
role: string
parts: Array<{ type: string }>
createdAt: string
metadata?: Record<string, unknown>
}) => ({
id: m.id,
role: m.role,
// Keep chat tool outputs that are meaningful to render after thread reload.
parts: (m.parts || []).filter(
(p) =>
p.type === "text" ||
p.type === "reasoning" ||
p.type === "source-url" ||
p.type === "source-document" ||
isChatToolDisplayPartType(p.type),
),
metadata: m.metadata,
createdAt: new Date(m.createdAt),
}),
)
pendingResponseModelsRef.current = []
seenAssistantMessageIdsRef.current = new Set()
setResponseModelByMessageId({})
setThreadId(id)
setPendingThreadLoad({ id, messages: uiMessages })
setMessageQueue([])
queuedDispatchInFlightRef.current = false
queuedDispatchSawResponseRef.current = false
analytics.chatThreadLoaded({ thread_id: id })
setIsHistoryOpen(false)
setConfirmingDeleteId(null)
}
} catch (error) {
console.error("Failed to load thread:", error)
}
},
[chatApiBase, setThreadId],
)
// Auto-restore thread from URL on mount (e.g. reload or direct link)
const didAutoLoadRef = useRef(false)
const initialThreadIdRef = useRef(threadId)
useEffect(() => {
if (didAutoLoadRef.current) return
const initialThreadId = initialThreadIdRef.current
if (!initialThreadId) return
didAutoLoadRef.current = true
loadThread(initialThreadId)
}, [loadThread])
const deleteThread = useCallback(
async (threadId: string) => {
try {
const response = await fetch(
`${chatApiBase}/chat/threads/${threadId}`,
{ method: "DELETE", credentials: "include" },
)
if (response.ok) {
analytics.chatThreadDeleted({ thread_id: threadId })
setThreads((prev) => prev.filter((t) => t.id !== threadId))
if (currentChatId === threadId) {
handleNewChat()
}
}
} catch (error) {
console.error("Failed to delete thread:", error)
} finally {
setConfirmingDeleteId(null)
}
},
[chatApiBase, currentChatId, handleNewChat],
)
const formatRelativeTime = (isoString: string): string => {
return formatDistanceToNow(new Date(isoString), { addSuffix: true })
}
useEffect(() => {
const handleKeyDown = (e: KeyboardEvent) => {
const activeElement = document.activeElement as HTMLElement | null
const isInEditableContext =
activeElement?.tagName === "INPUT" ||
activeElement?.tagName === "TEXTAREA" ||
activeElement?.isContentEditable ||
activeElement?.closest('[contenteditable="true"]')
if (
e.key.toLowerCase() === "t" &&
!e.metaKey &&
!e.ctrlKey &&
!e.altKey &&
isChatOpen &&
!isInEditableContext
) {
e.preventDefault()
handleNewChat()
}
}
window.addEventListener("keydown", handleKeyDown)
return () => window.removeEventListener("keydown", handleKeyDown)
}, [isChatOpen, handleNewChat])
// Send queued message when chat opens
useEffect(() => {
if (
isChatOpen &&
queuedMessage &&
status !== "submitted" &&
status !== "streaming" &&
sentQueuedMessageRef.current !== queuedMessage
) {
if (initialSelectedModel && selectedModel !== initialSelectedModel) {
setSelectedModel(initialSelectedModel)
return
}
if (
initialReasoningEffort &&
reasoningEffort !== initialReasoningEffort
) {
setReasoningEffort(initialReasoningEffort)
return
}
sentQueuedMessageRef.current = queuedMessage
if (queuedHighlightContent) {
analytics.chatMessageSent({ source: queuedMessageSource })
truncateFromMessageIdRef.current = null
// Start a fresh thread for highlight-based chats to avoid overwriting existing conversations
const newChatId = generateId()
chatIdRef.current = newChatId
setThreadId(null)
setFallbackChatId(newChatId)
// Store the highlight message and user reply in refs.
// We cannot call setMessages here because setFallbackChatId above triggers
// useChat to recreate its internal Chat object (new id → new Chat), which
// resets messages to []. Instead, pendingHighlightMessageRef is read by a
// separate useEffect that fires after currentChatId has settled, ensuring
// setMessages is called on the correct, freshly-created Chat instance.
// targetHighlightChatIdRef ensures we only call setMessages once the new
// Chat instance (with id=newChatId) is active, not the old one.
pendingHighlightReplyRef.current = queuedMessage
awaitingHighlightInjectionRef.current = true
targetHighlightChatIdRef.current = newChatId
pendingHighlightMessageRef.current = [
{
id: generateId(),
role: "assistant" as const,
parts: [
{
type: "text" as const,
text: `Here is a highlight from your memories:\n\n${queuedHighlightContent}`,
},
],
},
]
} else {
if (queuedAttachments?.length) {
setAttachmentDrafts(queuedAttachments)
}
void submitChatMessage(
queuedMessage,
queuedMessageSource,
queuedAttachments ?? [],
).then((sent) => {
if (!sent) {
setInput(queuedMessage)
if (queuedAttachments?.length) {
setAttachmentDrafts(queuedAttachments)
}
}
onConsumeQueuedMessage?.()
})
return
}
onConsumeQueuedMessage?.()
}
}, [
isChatOpen,
queuedMessage,
queuedHighlightContent,
queuedMessageSource,
queuedAttachments,
initialSelectedModel,
initialReasoningEffort,
selectedModel,
reasoningEffort,
status,
onConsumeQueuedMessage,
setThreadId,
submitChatMessage,
])
// Inject the pending highlight assistant message once the new Chat instance is ready.
// This effect must run AFTER the currentChatId change has been committed and useChat
// has recreated its internal Chat object, so that setMessages targets the correct instance.
// We gate on currentChatId === targetHighlightChatIdRef to ensure we call setMessages
// only when useChat's internal Chat has the new id (not the old one from before setFallbackChatId).
useEffect(() => {
if (
awaitingHighlightInjectionRef.current &&
pendingHighlightMessageRef.current &&
targetHighlightChatIdRef.current &&
currentChatId === targetHighlightChatIdRef.current
) {
const msgs = pendingHighlightMessageRef.current
pendingHighlightMessageRef.current = null
targetHighlightChatIdRef.current = null
setMessages(msgs)
}
}, [currentChatId, setMessages])
// Send pending highlight reply once the injected assistant message is committed
useEffect(() => {
if (
awaitingHighlightInjectionRef.current &&
pendingHighlightReplyRef.current &&
messages.length >= 1 &&
messages[0]?.role === "assistant" &&
status === "ready"
) {
awaitingHighlightInjectionRef.current = false
const reply = pendingHighlightReplyRef.current
pendingHighlightReplyRef.current = null
truncateFromMessageIdRef.current = null
queuedDispatchInFlightRef.current = true
queuedDispatchSawResponseRef.current = false
pendingResponseModelsRef.current.push(selectedModelRef.current)
sendMessage({ text: reply })
}
}, [messages, sendMessage, status])
// Reset the sent message ref when queued message is consumed
useEffect(() => {
if (!queuedMessage) {
sentQueuedMessageRef.current = null
}
}, [queuedMessage])
useEffect(() => {
const isRespondingNow = status === "submitted" || status === "streaming"
if (isRespondingNow) {
if (queuedDispatchInFlightRef.current) {
queuedDispatchSawResponseRef.current = true
}
return
}
if (status !== "ready") {
queuedDispatchInFlightRef.current = false
queuedDispatchSawResponseRef.current = false
return
}
if (queuedDispatchInFlightRef.current) {
if (!queuedDispatchSawResponseRef.current) return
queuedDispatchInFlightRef.current = false
queuedDispatchSawResponseRef.current = false
}
const nextMessage = messageQueue[0]
if (!nextMessage) return
queuedDispatchInFlightRef.current = true
queuedDispatchSawResponseRef.current = false
truncateFromMessageIdRef.current = null
pendingSendSettingsRef.current = {
model: nextMessage.model,
reasoningEffort: nextMessage.reasoningEffort,
}
pendingResponseModelsRef.current.push(nextMessage.model)
if (!threadId) setThreadId(fallbackChatId)
setMessageQueue((prev) =>
prev[0]?.id === nextMessage.id
? prev.slice(1)
: prev.filter((item) => item.id !== nextMessage.id),
)
pendingRequestAttachmentsRef.current = nextMessage.attachments ?? []
void sendMessage({
text: nextMessage.text,
metadata:
nextMessage.attachments && nextMessage.attachments.length > 0
? { attachments: nextMessage.attachments }
: undefined,
}).finally(() => {
pendingRequestAttachmentsRef.current = []
})
userJustSentRef.current = true
scrollToBottom()
}, [
fallbackChatId,
messageQueue,
scrollToBottom,
sendMessage,
setThreadId,
status,
threadId,
])
// Scroll to bottom when a new user message is added or a thread is loaded
useEffect(() => {
const lastMessageId = messages[messages.length - 1]?.id ?? null
const loadedThreadIsRendered =
loadedThreadScrollTarget &&
currentChatId === loadedThreadScrollTarget.id &&
messages.length === loadedThreadScrollTarget.messageCount &&
lastMessageId === loadedThreadScrollTarget.lastMessageId
if (loadedThreadIsRendered) {
// Trigger the same scroll behavior as the button after loaded messages render.
scrollToBottom()
setTimeout(scrollToBottom, 50)
setTimeout(scrollToBottom, 150)
setTimeout(() => {
scrollToBottom()
setLoadedThreadScrollTarget(null)
}, 300)
return
}
const lastMessage = messages[messages.length - 1]
if (lastMessage?.role === "user" && messagesContainerRef.current) {
scrollToBottom()
} else {
checkIfScrolledToBottom()
}
}, [
currentChatId,
loadedThreadScrollTarget,
messages,
checkIfScrolledToBottom,
scrollToBottom,
])
useEffect(() => {
const isStreaming = status === "streaming"
const lastMessage = messages[messages.length - 1]
const isLastMessageFromAssistant = lastMessage?.role === "assistant"
if (
isStreaming &&
isLastMessageFromAssistant &&
(isScrolledToBottomRef.current || userJustSentRef.current)
) {
scrollToBottom()
}
}, [status, messages, scrollToBottom])
useEffect(() => {
const container = messagesContainerRef.current
if (!container) return
const isStreaming = status === "streaming" || status === "submitted"
if (!isStreaming) {
userJustSentRef.current = false
return
}
const mutationObserver = new MutationObserver(() => {
if (isScrolledToBottomRef.current || userJustSentRef.current) {
requestAnimationFrame(() => {
scrollToBottom()
})
}
})
mutationObserver.observe(container, {
childList: true,
subtree: true,
characterData: true,
})
return () => {
mutationObserver.disconnect()
}
}, [status, scrollToBottom])
// Add scroll event listener to track scroll position
useEffect(() => {
const container = messagesContainerRef.current
if (!container) return
const handleScroll = () => {
requestAnimationFrame(() => {
checkIfScrolledToBottom()
if (!isScrolledToBottomRef.current) {
userJustSentRef.current = false
}
})
}
container.addEventListener("scroll", handleScroll, { passive: true })
setTimeout(() => {
checkIfScrolledToBottom()
}, 100)
const resizeObserver = new ResizeObserver(() => {
requestAnimationFrame(() => {
checkIfScrolledToBottom()
})
})
resizeObserver.observe(container)
return () => {
container.removeEventListener("scroll", handleScroll)
resizeObserver.disconnect()
}
}, [checkIfScrolledToBottom])
if (!isChatOpen) {
return null
}
const isStackedInput = layout === "page"
const showHeaderRow = !isPageDesktop || isMobile || !isStackedInput
const isResponding = status === "submitted" || status === "streaming"
const isWebSearching =
isResponding &&
(() => {
const last = messages[messages.length - 1]
if (!last || last.role !== "assistant") return false
const parts = last.parts ?? []
const searching = parts.some(
(p) =>
(p.type === "dynamic-tool" &&
isWebSearchToolName((p as { toolName?: string }).toolName ?? "")) ||
(p.type.startsWith("tool-") &&
isWebSearchToolName(p.type.slice("tool-".length))),
)
const hasText = parts.some(
(p) => p.type === "text" && (p as { text?: string }).text?.trim(),
)
return searching && !hasText
})()
const hasBusyAttachment = attachmentDrafts.some(
(attachment) =>
attachment.status === "uploading" || attachment.status === "queued",
)
const hasErroredAttachment = attachmentDrafts.some(
(attachment) => attachment.status === "error",
)
const canSendMessage =
(input.trim().length > 0 || attachmentDrafts.length > 0) &&
!hasBusyAttachment &&
!hasErroredAttachment
const showInputStatusStrip =
!isStackedInput || isResponding || messages.length > 0
const isQueueFull = messageQueue.length >= CHAT_QUEUE_LIMIT
const threadGroups = useMemo(() => {
const q = historySearch.trim().toLowerCase()
const filtered = q
? threads.filter((t) => (t.title || "").toLowerCase().includes(q))
: threads
const now = new Date()
const startOfToday = new Date(
now.getFullYear(),
now.getMonth(),
now.getDate(),
).getTime()
const day = 86_400_000
const buckets: Array<{ label: string; items: typeof threads }> = [
{ label: "Today", items: [] },
{ label: "Yesterday", items: [] },
{ label: "Previous 7 days", items: [] },
{ label: "Previous 30 days", items: [] },
{ label: "Older", items: [] },
]
for (const t of filtered) {
const ts = new Date(t.updatedAt).getTime()
if (ts >= startOfToday) buckets[0].items.push(t)
else if (ts >= startOfToday - day) buckets[1].items.push(t)
else if (ts >= startOfToday - 7 * day) buckets[2].items.push(t)
else if (ts >= startOfToday - 30 * day) buckets[3].items.push(t)
else buckets[4].items.push(t)
}
return buckets.filter((b) => b.items.length > 0)
}, [threads, historySearch])
const chatHistorySheet = (
<Sheet
open={isHistoryOpen}
onOpenChange={(open) => {
setIsHistoryOpen(open)
if (!open) {
setConfirmingDeleteId(null)
setHistorySearch("")
}
}}
>
<SheetContent
side="right"
className={cn(
"flex h-full max-h-dvh w-[380px] max-w-[88vw] flex-col gap-0 overflow-hidden border-[#17181AB2] bg-[#0A0E14] p-0 pb-safe text-white",
"[&>button]:text-[#FAFAFA]",
dmSansClassName(),
)}
>
<SheetHeader className="shrink-0 space-y-3 border-[#17181AB2] border-b px-5 pt-5 pb-4">
<div className="flex min-w-0 items-center gap-2 pr-8">
<SheetTitle className="shrink-0">Chat History</SheetTitle>
<span className="truncate rounded-full border border-[#161F2C] bg-[#0F141B] px-2 py-0.5 text-[#9CA3AF] text-[11px]">
{historyScope === "all" ? "All spaces" : chatSpaceLabel}
</span>
</div>
<SheetDescription className="sr-only">
{historyScope === "all"
? "All conversations across your spaces"
: `Conversations in ${chatSpaceLabel}`}
</SheetDescription>
<div className="flex items-center gap-2">
<div className="relative flex-1">
<Search className="-translate-y-1/2 absolute top-1/2 left-3 size-4 text-[#737373]" />
<input
type="text"
value={historySearch}
onChange={(e) => setHistorySearch(e.target.value)}
placeholder="Search conversations…"
className="h-9 w-full rounded-lg border border-[#161F2C] bg-[#0F141B] pr-3 pl-9 text-sm text-white placeholder:text-[#737373] focus:border-[#267BF1]/50 focus:outline-none"
/>
</div>
<div className="flex shrink-0 items-center rounded-full border border-[#161F2C] bg-[#000000] p-0.5">
{(["current", "all"] as const).map((scope) => (
<button
key={scope}
type="button"
onClick={() => setHistoryScope(scope)}
className={cn(
"rounded-full px-3 py-1.5 text-xs font-medium transition-colors",
historyScope === scope
? "bg-[#267BF1]/15 text-[#FAFAFA]"
: "text-[#737373] hover:text-[#FAFAFA]",
)}
>
{scope === "current" ? "Current" : "All"}
</button>
))}
</div>
</div>
</SheetHeader>
<ScrollArea className="min-h-0 flex-1 px-3">
<div className="py-3">
{isLoadingThreads ? (
<div className="flex items-center justify-center py-8">
<SuperLoader label="Loading…" />
</div>
) : threads.length === 0 ? (
<div className="py-8 text-center text-sm text-[#737373]">
No conversations yet
</div>
) : threadGroups.length === 0 ? (
<div className="py-8 text-center text-sm text-[#737373]">
No conversations match {historySearch.trim()}
</div>
) : (
<div className="flex flex-col gap-4">
{threadGroups.map((group) => (
<div key={group.label} className="flex flex-col gap-0.5">
<div className="px-2 pb-1 font-medium text-[#5A6473] text-[11px] uppercase tracking-wide">
{group.label}
</div>
{group.items.map((thread) => {
const isActive = thread.id === currentChatId
const isConfirming = confirmingDeleteId === thread.id
return (
<button
key={thread.id}
type="button"
onClick={() => loadThread(thread.id)}
className={cn(
"group flex w-full cursor-pointer items-center justify-between gap-2 rounded-lg px-2 py-1.5 text-left transition-colors",
isActive ? "bg-[#267BF1]/10" : "hover:bg-[#17181A]",
)}
>
<div className="min-w-0 flex-1">
<div className="truncate text-[#E5E7EB] text-sm">
{thread.title || "Untitled Chat"}
</div>
<div className="flex items-center gap-1.5 text-[#737373] text-xs">
<span>
{formatRelativeTime(thread.updatedAt)}
</span>
{historyScope === "all" && thread.space ? (
<>
<span className="text-[#3A3A3A]">·</span>
<span className="truncate">
{thread.space.emoji
? `${thread.space.emoji} `
: ""}
{thread.space.name}
</span>
</>
) : null}
</div>
</div>
{isConfirming ? (
<div className="flex shrink-0 items-center gap-1">
<Button
type="button"
size="icon"
onClick={(e) => {
e.stopPropagation()
deleteThread(thread.id)
}}
className="size-7 bg-red-500 text-white hover:bg-red-600"
>
<Check className="size-3" />
</Button>
<Button
type="button"
variant="ghost"
size="icon"
onClick={(e) => {
e.stopPropagation()
setConfirmingDeleteId(null)
}}
className="size-7"
>
<XIcon className="size-3 text-[#737373]" />
</Button>
</div>
) : (
<Button
type="button"
variant="ghost"
size="icon"
onClick={(e) => {
e.stopPropagation()
setConfirmingDeleteId(thread.id)
}}
className="size-7 shrink-0 opacity-0 transition-opacity focus:opacity-100 group-hover:opacity-100 max-sm:opacity-100"
>
<Trash2 className="size-3 text-[#737373]" />
</Button>
)}
</button>
)
})}
</div>
))}
</div>
)}
</div>
</ScrollArea>
<div className="shrink-0 border-[#17181AB2] border-t p-3">
<Button
className="w-full bg-[#267BF1] font-medium text-white hover:bg-[#1f6ad6]"
onClick={() => {
handleNewChat()
setIsHistoryOpen(false)
}}
>
<Plus className="mr-1 size-4" /> New Conversation
</Button>
</div>
</SheetContent>
</Sheet>
)
const chatToolbarActions = (
<div className="flex shrink-0 items-center gap-2">
<button
type="button"
onClick={() => setIsHistoryOpen(true)}
className={cn(
"flex size-9 shrink-0 cursor-pointer items-center justify-center rounded-full border border-[#161F2C] bg-[#000000] transition-colors hover:bg-[#161F2C]",
dmSansClassName(),
)}
aria-label="Chat history"
>
<HistoryIcon className="size-4 text-[#FAFAFA]" />
</button>
<button
type="button"
onClick={handleNewChat}
title="New chat (T)"
className={cn(
"flex size-9 shrink-0 cursor-pointer items-center justify-center rounded-full border border-[#161F2C] bg-[#000000] transition-colors hover:bg-[#161F2C]",
dmSansClassName(),
)}
aria-label="New chat"
>
<SquarePenIcon className="size-4 text-[#FAFAFA]" />
</button>
</div>
)
const pageDesktopToolbarRow = isPageDesktop ? (
<div
className={cn(
"flex w-full shrink-0 items-center justify-end gap-2 px-4 pt-2 pb-1 z-10",
dmSansClassName(),
)}
>
{chatToolbarActions}
</div>
) : null
const chatDropOverlay = isChatDraggingFiles ? (
<div
className={cn(
"pointer-events-none absolute inset-0 z-[80] grid place-items-center border border-dashed border-[#4B5563] bg-black/72 text-sm font-medium text-fg-primary backdrop-blur-sm",
isMobile || isPageDesktop ? "rounded-none" : "rounded-2xl",
)}
aria-hidden="true"
>
<div className="rounded-lg border border-white/10 bg-black/50 px-4 py-2 shadow-[0_12px_32px_rgba(0,0,0,0.35)]">
Drop files to attach
</div>
</div>
) : null
const chatDropTargetProps = {
onDragEnter: handleChatDragEnter,
onDragOver: handleChatDragOver,
onDragLeave: handleChatDragLeave,
onDrop: handleChatDrop,
onDragEnd: resetChatFileDrag,
}
const shell = (
<>
{showHeaderRow ? (
<div
className={cn(
"flex items-center justify-between px-0 z-10",
isPageDesktop
? "relative shrink-0 pt-2 pb-1"
: isMobile
? "relative shrink-0 px-4 pt-4 pb-2"
: "absolute top-0 right-0 left-0 pt-4 px-4",
!isMobile && !isPageDesktop && "rounded-t-2xl",
)}
>
<div className="mr-2 flex min-w-0 flex-1 items-center gap-2">
{isMobile && (
<button
type="button"
onClick={() => _setIsChatOpen(false)}
aria-label="Back"
className="flex size-9 shrink-0 cursor-pointer items-center justify-center rounded-full border border-[#161F2C] bg-black text-[#FAFAFA] transition-colors hover:bg-[#161F2C]"
>
<ArrowLeftIcon className="size-5" />
</button>
)}
{!isStackedInput && (
<>
<ChatModelSelector
selectedModel={selectedModel}
onModelChange={handleModelChange}
/>
<ReasoningSelector
value={reasoningEffort}
onChange={setReasoningEffort}
/>
<SpaceSelector
selectedProjects={chatSpaceProjects}
onValueChange={setChatSpaceProjects}
variant="insideOut"
includeAuto
hideCount
triggerClassName="h-10 min-h-10 max-w-[min(192px,42vw)] border border-[#73737333] bg-[#0D121A] shadow-[1.5px_1.5px_4.5px_0_rgba(0,0,0,0.70)_inset]"
/>
</>
)}
</div>
{chatToolbarActions}
</div>
) : null}
<div className="relative flex-1 min-h-0">
<div
ref={messagesContainerRef}
className={cn(
"relative h-full overflow-y-auto scrollbar-thin",
"px-4",
dmSansClassName(),
)}
>
{isInputExpanded && (
<div
className={cn(
"absolute inset-0 z-10! pointer-events-none",
isPageDesktop ? "rounded-none" : "rounded-2xl",
)}
style={{ backgroundColor: "#000000E5" }}
/>
)}
{messages.length === 0 && (
<ChatEmptyStatePlaceholder
onSuggestionClick={handleSuggestedQuestion}
suggestions={emptyStateSuggestions}
subtitle={emptyStateSubtitle}
/>
)}
<div
className={
messages.length > 0
? cn(
"flex flex-col space-y-3 min-h-full justify-end pb-4",
isPageDesktop || isMobile ? "pt-2" : "pt-14",
)
: ""
}
>
{messages.map((message, index) => (
// biome-ignore lint/a11y/noStaticElementInteractions: Hover detection for message actions
<div
key={message.id}
className={cn(
"flex gap-2 w-full",
message.role === "user" ? "justify-end" : "justify-start",
)}
onMouseEnter={() =>
message.role === "assistant" &&
setHoveredMessageId(message.id)
}
onMouseLeave={() =>
message.role === "assistant" && setHoveredMessageId(null)
}
>
{message.role === "user" ? (
<UserMessage
message={message}
copiedMessageId={copiedMessageId}
selectedModel={selectedModel}
reasoningEffort={reasoningEffort}
onCopy={handleCopyMessage}
onRegenerate={handleRegenerateFromUserMessage}
/>
) : (
<AgentMessage
message={message}
index={index}
messagesLength={messages.length}
hoveredMessageId={hoveredMessageId}
copiedMessageId={copiedMessageId}
messageFeedback={messageFeedback}
expandedMemories={expandedMemories}
responseModel={responseModelByMessageId[message.id] ?? null}
onCopy={handleCopyMessage}
onLike={handleLikeMessage}
onDislike={handleDislikeMessage}
onToggleMemories={handleToggleMemories}
/>
)}
</div>
))}
</div>
</div>
{!isScrolledToBottom && messages.length > 0 && (
<div className="absolute bottom-3 left-0 right-0 flex justify-center z-50 pointer-events-none">
<button
type="button"
className="cursor-pointer pointer-events-auto"
onClick={scrollToBottom}
>
<div className="rounded-full p-2 bg-[#0D121A] shadow-[1.5px_1.5px_4.5px_0_rgba(0,0,0,0.70)_inset] hover:bg-[#0F1620] transition-colors">
<ChevronDownIcon className="size-4 text-white" />
</div>
</button>
</div>
)}
</div>
{chatStreamError && (
<div
role="alert"
className={cn(
"mx-4 mb-2 rounded-lg bg-amber-950/40 px-3 py-2 text-sm text-amber-50/95",
dmSansClassName(),
)}
>
<div className="flex justify-between gap-2 items-start">
<div className="min-w-0">
<p className="font-medium leading-snug">
{chatStreamError.title}
</p>
<p className="text-xs text-amber-100/70 mt-1 leading-snug">
{chatStreamError.body}
</p>
{chatStreamError.otherModels.length > 0 && (
<div className="flex flex-wrap gap-2 mt-2">
{chatStreamError.otherModels.map((id) => {
const m = modelNames[id]
return (
<Button
key={id}
type="button"
size="sm"
variant="secondary"
className="h-8 text-xs rounded-full bg-[#141922] border-[#73737333] hover:bg-[#1a2230] text-white/90"
onClick={() => {
handleModelChange(id)
analytics.modelChanged({ model: id })
}}
>
Switch to {m.name} {m.version}
</Button>
)
})}
</div>
)}
</div>
<button
type="button"
onClick={clearError}
className="shrink-0 p-1 rounded-md text-amber-200/50 hover:text-amber-100/90 hover:bg-white/5"
aria-label="Dismiss error"
>
<XIcon className="size-4" />
</button>
</div>
</div>
)}
<div
className={cn(
"shrink-0",
isStackedInput &&
(isMobile
? "px-4 pb-[max(0.5rem,env(safe-area-inset-bottom))]"
: "px-4 pb-[max(1.25rem,calc(env(safe-area-inset-bottom)+1rem))] md:pb-6"),
)}
>
<ChatInput
value={input}
onChange={(e) => setInput(e.target.value)}
onSend={handleSend}
onStop={handleStop}
onKeyDown={handleKeyDown}
isResponding={isResponding}
attachments={attachmentDrafts}
onAddAttachmentFiles={handleAddAttachmentFiles}
onRemoveAttachment={handleRemoveAttachment}
onRetryAttachment={handleRetryAttachment}
canSend={canSendMessage}
attachmentAccept={CHAT_ATTACHMENT_ACCEPT}
disableFileDropZone
sendDisabled={isResponding && isQueueFull}
sendDisabledTooltip={`Queue is full (${CHAT_QUEUE_LIMIT} max)`}
activeStatus={
isResponding && isQueueFull
? `Queue full (${CHAT_QUEUE_LIMIT} max)`
: isWebSearching
? "Searching the web…"
: status === "submitted"
? "Thinking…"
: status === "streaming"
? "Thinking…"
: "Waiting for input…"
}
queuedMessages={messageQueue}
showStatusStrip={showInputStatusStrip}
onExpandedChange={setIsInputExpanded}
chainOfThoughtComponent={
messages.length > 0 ? <ChainOfThought messages={messages} /> : null
}
stackedToolbar={
isStackedInput ? (
<ChatModelSelector
selectedModel={selectedModel}
onModelChange={handleModelChange}
minimal
/>
) : undefined
}
toolbarTrailing={
isStackedInput ? (
<ReasoningSelector
value={reasoningEffort}
onChange={setReasoningEffort}
/>
) : undefined
}
toolbarEnd={
isStackedInput ? (
<SpaceSelector
selectedProjects={chatSpaceProjects}
onValueChange={setChatSpaceProjects}
variant="insideOut"
includeAuto
hideCount
triggerClassName="h-auto min-h-0 max-w-[min(160px,35vw)] gap-1.5 rounded-md border-0 bg-transparent px-2 py-1 shadow-none hover:bg-white/5"
/>
) : undefined
}
/>
</div>
</>
)
return (
<motion.div
key="open"
className={cn(
"relative flex flex-col backdrop-blur-md",
isMobile
? "flex h-full min-h-0 w-full flex-1 flex-col rounded-none"
: isPageDesktop
? "flex h-full min-h-0 w-full min-w-0 flex-1 flex-col basis-0 rounded-none border-x-0"
: "m-4 mt-2 w-[min(450px,calc(100vw-2rem))] md:w-[380px] lg:w-[450px] rounded-2xl",
dmSansClassName(),
)}
style={
isMobile || isPageDesktop
? undefined
: {
height: `calc(100vh - ${heightOffset}px)`,
}
}
initial={
layout === "page" ? { opacity: 0, y: 20 } : { x: "100px", opacity: 0 }
}
animate={{ x: 0, y: 0, opacity: 1 }}
exit={
layout === "page" ? { opacity: 0, y: 12 } : { x: "100px", opacity: 0 }
}
transition={{ duration: 0.3, ease: "easeOut", bounce: 0 }}
{...(!isPageDesktop ? chatDropTargetProps : {})}
>
{!isPageDesktop && chatDropOverlay}
{chatHistorySheet}
{isPageDesktop ? (
<div className="flex h-full min-h-0 w-full flex-1 flex-row">
<ChatGraphContextRail
messages={messages}
containerTags={
chatProject === AUTO_CHAT_SPACE_ID ? null : [chatProject]
}
/>
<div
{...chatDropTargetProps}
className="relative flex h-full min-h-0 w-full min-w-0 max-w-[min(720px,100%)] shrink-0 basis-[min(720px,50vw)] flex-col"
>
{chatDropOverlay}
{pageDesktopToolbarRow}
<div className="relative mx-auto flex h-full min-h-0 w-full min-w-0 max-w-[min(720px,100%)] flex-1 flex-col px-3 sm:px-4 md:px-0">
{shell}
</div>
</div>
</div>
) : (
shell
)}
</motion.div>
)
}
export { HomeChatComposer } from "./home-chat-composer"
export { ChatEmptyStatePlaceholder } from "./chat-empty-state"