mirror of
https://github.com/bytedance/deer-flow.git
synced 2026-05-23 16:35:59 +00:00
Admire
999 lines
30 KiB
TypeScript
999 lines
30 KiB
TypeScript
import type { AIMessage, Message, Run } from "@langchain/langgraph-sdk";
|
|
import type { ThreadsClient } from "@langchain/langgraph-sdk/client";
|
|
import { useStream } from "@langchain/langgraph-sdk/react";
|
|
import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
|
|
import { useCallback, useEffect, useRef, useState } from "react";
|
|
import { toast } from "sonner";
|
|
|
|
import type { PromptInputMessage } from "@/components/ai-elements/prompt-input";
|
|
|
|
import { getAPIClient } from "../api";
|
|
import { fetch } from "../api/fetcher";
|
|
import { getBackendBaseURL } from "../config";
|
|
import { useI18n } from "../i18n/hooks";
|
|
import type { FileInMessage } from "../messages/utils";
|
|
import type { LocalSettings } from "../settings";
|
|
import { useUpdateSubtask } from "../tasks/context";
|
|
import type { UploadedFileInfo } from "../uploads";
|
|
import { promptInputFilePartToFile, uploadFiles } from "../uploads";
|
|
|
|
import { fetchThreadTokenUsage } from "./api";
|
|
import { threadTokenUsageQueryKey } from "./token-usage";
|
|
import type {
|
|
AgentThread,
|
|
AgentThreadState,
|
|
RunMessage,
|
|
ThreadTokenUsageResponse,
|
|
} from "./types";
|
|
|
|
export type ToolEndEvent = {
|
|
name: string;
|
|
data: unknown;
|
|
};
|
|
|
|
export type ThreadStreamOptions = {
|
|
threadId?: string | null | undefined;
|
|
context: LocalSettings["context"];
|
|
isMock?: boolean;
|
|
onSend?: (threadId: string) => void;
|
|
onStart?: (threadId: string, runId: string) => void;
|
|
onFinish?: (state: AgentThreadState) => void;
|
|
onToolEnd?: (event: ToolEndEvent) => void;
|
|
};
|
|
|
|
type SendMessageOptions = {
|
|
additionalKwargs?: Record<string, unknown>;
|
|
};
|
|
|
|
function isNonEmptyString(value: string | undefined): value is string {
|
|
return typeof value === "string" && value.length > 0;
|
|
}
|
|
|
|
function messageIdentity(message: Message): string | undefined {
|
|
if (
|
|
"tool_call_id" in message &&
|
|
typeof message.tool_call_id === "string" &&
|
|
message.tool_call_id.length > 0
|
|
) {
|
|
return `tool:${message.tool_call_id}`;
|
|
}
|
|
if (typeof message.id === "string" && message.id.length > 0) {
|
|
return `message:${message.id}`;
|
|
}
|
|
return undefined;
|
|
}
|
|
|
|
function dedupeMessagesByIdentity(messages: Message[]): Message[] {
|
|
const lastIndexByIdentity = new Map<string, number>();
|
|
|
|
messages.forEach((message, index) => {
|
|
const identity = messageIdentity(message);
|
|
if (identity) {
|
|
lastIndexByIdentity.set(identity, index);
|
|
}
|
|
});
|
|
|
|
return messages.filter((message, index) => {
|
|
const identity = messageIdentity(message);
|
|
return !identity || lastIndexByIdentity.get(identity) === index;
|
|
});
|
|
}
|
|
|
|
function findLatestUnloadedRunIndex(
|
|
runs: Run[],
|
|
loadedRunIds: ReadonlySet<string>,
|
|
): number {
|
|
for (let i = runs.length - 1; i >= 0; i--) {
|
|
const run = runs[i];
|
|
if (run && !loadedRunIds.has(run.run_id)) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
export function mergeMessages(
|
|
historyMessages: Message[],
|
|
threadMessages: Message[],
|
|
optimisticMessages: Message[],
|
|
): Message[] {
|
|
const threadMessageIds = new Set(
|
|
threadMessages.map(messageIdentity).filter(isNonEmptyString),
|
|
);
|
|
|
|
// The overlap is a contiguous suffix of historyMessages (newest history == oldest thread).
|
|
// Scan from the end: shrink cutoff while messages are already in thread, stop as soon as
|
|
// we hit one that isn't — everything before that point is non-overlapping.
|
|
let cutoff = historyMessages.length;
|
|
for (let i = historyMessages.length - 1; i >= 0; i--) {
|
|
const msg = historyMessages[i];
|
|
if (!msg) {
|
|
continue;
|
|
}
|
|
const identity = messageIdentity(msg);
|
|
if (identity && threadMessageIds.has(identity)) {
|
|
cutoff = i;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return dedupeMessagesByIdentity([
|
|
...historyMessages.slice(0, cutoff),
|
|
...threadMessages,
|
|
...optimisticMessages,
|
|
]);
|
|
}
|
|
|
|
function getMessagesAfterBaseline(
|
|
messages: Message[],
|
|
baselineMessageIds: ReadonlySet<string>,
|
|
): Message[] {
|
|
return messages.filter((message) => {
|
|
const id = messageIdentity(message);
|
|
return !id || !baselineMessageIds.has(id);
|
|
});
|
|
}
|
|
|
|
export function getVisibleOptimisticMessages(
|
|
optimisticMessages: Message[],
|
|
previousHumanMessageCount: number,
|
|
currentHumanMessageCount: number,
|
|
): Message[] {
|
|
if (
|
|
optimisticMessages.some((message) => message.type === "human") &&
|
|
currentHumanMessageCount > previousHumanMessageCount
|
|
) {
|
|
return [];
|
|
}
|
|
return optimisticMessages;
|
|
}
|
|
|
|
function getStreamErrorMessage(error: unknown): string {
|
|
if (typeof error === "string" && error.trim()) {
|
|
return error;
|
|
}
|
|
if (error instanceof Error && error.message.trim()) {
|
|
return error.message;
|
|
}
|
|
if (typeof error === "object" && error !== null) {
|
|
const message = Reflect.get(error, "message");
|
|
if (typeof message === "string" && message.trim()) {
|
|
return message;
|
|
}
|
|
const nestedError = Reflect.get(error, "error");
|
|
if (nestedError instanceof Error && nestedError.message.trim()) {
|
|
return nestedError.message;
|
|
}
|
|
if (typeof nestedError === "string" && nestedError.trim()) {
|
|
return nestedError;
|
|
}
|
|
}
|
|
return "Request failed.";
|
|
}
|
|
|
|
export function useThreadStream({
|
|
threadId,
|
|
context,
|
|
isMock,
|
|
onSend,
|
|
onStart,
|
|
onFinish,
|
|
onToolEnd,
|
|
}: ThreadStreamOptions) {
|
|
const { t } = useI18n();
|
|
// Track the thread ID that is currently streaming to handle thread changes during streaming
|
|
const [onStreamThreadId, setOnStreamThreadId] = useState(() => threadId);
|
|
// Ref to track current thread ID across async callbacks without causing re-renders,
|
|
// and to allow access to the current thread id in onUpdateEvent
|
|
const threadIdRef = useRef<string | null>(threadId ?? null);
|
|
const startedRef = useRef(false);
|
|
const pendingUsageBaselineMessageIdsRef = useRef<Set<string>>(new Set());
|
|
const listeners = useRef({
|
|
onSend,
|
|
onStart,
|
|
onFinish,
|
|
onToolEnd,
|
|
});
|
|
|
|
const {
|
|
messages: history,
|
|
hasMore: hasMoreHistory,
|
|
loadMore: loadMoreHistory,
|
|
loading: isHistoryLoading,
|
|
appendMessages,
|
|
} = useThreadHistory(onStreamThreadId ?? "");
|
|
|
|
// Keep listeners ref updated with latest callbacks
|
|
useEffect(() => {
|
|
listeners.current = { onSend, onStart, onFinish, onToolEnd };
|
|
}, [onSend, onStart, onFinish, onToolEnd]);
|
|
|
|
useEffect(() => {
|
|
const normalizedThreadId = threadId ?? null;
|
|
if (!normalizedThreadId) {
|
|
// Reset when the UI moves back to a brand new unsaved thread.
|
|
startedRef.current = false;
|
|
setOnStreamThreadId(normalizedThreadId);
|
|
} else {
|
|
setOnStreamThreadId(normalizedThreadId);
|
|
}
|
|
threadIdRef.current = normalizedThreadId;
|
|
}, [threadId]);
|
|
|
|
const handleStreamStart = useCallback((_threadId: string, _runId: string) => {
|
|
threadIdRef.current = _threadId;
|
|
if (!startedRef.current) {
|
|
listeners.current.onStart?.(_threadId, _runId);
|
|
startedRef.current = true;
|
|
}
|
|
setOnStreamThreadId(_threadId);
|
|
}, []);
|
|
|
|
const queryClient = useQueryClient();
|
|
const updateSubtask = useUpdateSubtask();
|
|
|
|
const thread = useStream<AgentThreadState>({
|
|
client: getAPIClient(isMock),
|
|
assistantId: "lead_agent",
|
|
threadId: onStreamThreadId,
|
|
reconnectOnMount: true,
|
|
fetchStateHistory: { limit: 1 },
|
|
onCreated(meta) {
|
|
handleStreamStart(meta.thread_id, meta.run_id);
|
|
if (context.agent_name && !isMock) {
|
|
void getAPIClient()
|
|
.threads.update(meta.thread_id, {
|
|
metadata: { agent_name: context.agent_name },
|
|
})
|
|
.catch(() => ({}));
|
|
}
|
|
},
|
|
onLangChainEvent(event) {
|
|
if (event.event === "on_tool_end") {
|
|
listeners.current.onToolEnd?.({
|
|
name: event.name,
|
|
data: event.data,
|
|
});
|
|
}
|
|
},
|
|
onUpdateEvent(data) {
|
|
if (data["SummarizationMiddleware.before_model"]) {
|
|
const _messages = [
|
|
...(data["SummarizationMiddleware.before_model"].messages ?? []),
|
|
];
|
|
|
|
if (_messages.length < 2) {
|
|
return;
|
|
}
|
|
for (const m of _messages) {
|
|
if (m.name === "summary" && m.type === "human") {
|
|
summarizedRef.current?.add(m.id ?? "");
|
|
}
|
|
}
|
|
const _lastKeepMessage = _messages[2];
|
|
const _currentMessages = [...messagesRef.current];
|
|
const _movedMessages: Message[] = [];
|
|
for (const m of _currentMessages) {
|
|
if (m.id !== undefined && m.id === _lastKeepMessage?.id) {
|
|
break;
|
|
}
|
|
if (!summarizedRef.current?.has(m.id ?? "")) {
|
|
_movedMessages.push(m);
|
|
}
|
|
}
|
|
appendMessages(_movedMessages);
|
|
messagesRef.current = [];
|
|
}
|
|
|
|
const updates: Array<Partial<AgentThreadState> | null> = Object.values(
|
|
data || {},
|
|
);
|
|
for (const update of updates) {
|
|
if (update && "title" in update && update.title) {
|
|
void queryClient.setQueriesData(
|
|
{
|
|
queryKey: ["threads", "search"],
|
|
exact: false,
|
|
},
|
|
(oldData: Array<AgentThread> | undefined) => {
|
|
return oldData?.map((t) => {
|
|
if (t.thread_id === threadIdRef.current) {
|
|
return {
|
|
...t,
|
|
values: {
|
|
...t.values,
|
|
title: update.title,
|
|
},
|
|
};
|
|
}
|
|
return t;
|
|
});
|
|
},
|
|
);
|
|
}
|
|
}
|
|
},
|
|
onCustomEvent(event: unknown) {
|
|
if (
|
|
typeof event === "object" &&
|
|
event !== null &&
|
|
"type" in event &&
|
|
event.type === "task_running"
|
|
) {
|
|
const e = event as {
|
|
type: "task_running";
|
|
task_id: string;
|
|
message: AIMessage;
|
|
};
|
|
updateSubtask({ id: e.task_id, latestMessage: e.message });
|
|
return;
|
|
}
|
|
|
|
if (
|
|
typeof event === "object" &&
|
|
event !== null &&
|
|
"type" in event &&
|
|
event.type === "llm_retry" &&
|
|
"message" in event &&
|
|
typeof event.message === "string" &&
|
|
event.message.trim()
|
|
) {
|
|
const e = event as { type: "llm_retry"; message: string };
|
|
toast(e.message);
|
|
}
|
|
},
|
|
onError(error) {
|
|
setOptimisticMessages([]);
|
|
toast.error(getStreamErrorMessage(error));
|
|
pendingUsageBaselineMessageIdsRef.current = new Set(
|
|
messagesRef.current
|
|
.map(messageIdentity)
|
|
.filter((id): id is string => Boolean(id)),
|
|
);
|
|
if (threadIdRef.current && !isMock) {
|
|
void queryClient.invalidateQueries({
|
|
queryKey: threadTokenUsageQueryKey(threadIdRef.current),
|
|
});
|
|
}
|
|
},
|
|
onFinish(state) {
|
|
listeners.current.onFinish?.(state.values);
|
|
pendingUsageBaselineMessageIdsRef.current = new Set(
|
|
messagesRef.current
|
|
.map(messageIdentity)
|
|
.filter((id): id is string => Boolean(id)),
|
|
);
|
|
void queryClient.invalidateQueries({ queryKey: ["threads", "search"] });
|
|
if (threadIdRef.current && !isMock) {
|
|
void queryClient.invalidateQueries({
|
|
queryKey: threadTokenUsageQueryKey(threadIdRef.current),
|
|
});
|
|
}
|
|
},
|
|
});
|
|
|
|
// Optimistic messages shown before the server stream responds
|
|
const [optimisticMessages, setOptimisticMessages] = useState<Message[]>([]);
|
|
const [isUploading, setIsUploading] = useState(false);
|
|
const humanMessageCount = thread.messages.filter(
|
|
(m) => m.type === "human",
|
|
).length;
|
|
const latestMessageCountsRef = useRef({ humanMessageCount });
|
|
const sendInFlightRef = useRef(false);
|
|
const messagesRef = useRef<Message[]>([]);
|
|
const summarizedRef = useRef<Set<string>>(null);
|
|
// Track human message count before sending to prevent clearing optimistic
|
|
// messages before the server's human message arrives (e.g. when AI messages
|
|
// from "messages-tuple" events arrive before the input human message from
|
|
// "values" events).
|
|
const prevHumanMsgCountRef = useRef(humanMessageCount);
|
|
|
|
latestMessageCountsRef.current = { humanMessageCount };
|
|
summarizedRef.current ??= new Set<string>();
|
|
|
|
// Reset thread-local pending UI state when switching between threads so
|
|
// optimistic messages and in-flight guards do not leak across chat views.
|
|
useEffect(() => {
|
|
startedRef.current = false;
|
|
sendInFlightRef.current = false;
|
|
pendingUsageBaselineMessageIdsRef.current = new Set(
|
|
messagesRef.current
|
|
.map(messageIdentity)
|
|
.filter((id): id is string => Boolean(id)),
|
|
);
|
|
prevHumanMsgCountRef.current =
|
|
latestMessageCountsRef.current.humanMessageCount;
|
|
}, [threadId]);
|
|
|
|
// When streaming starts without a baseline (e.g. reconnection, run started
|
|
// from another client, or page reload mid-stream), snapshot the current
|
|
// messages so only *new* messages are treated as "pending" for token usage.
|
|
useEffect(() => {
|
|
if (
|
|
thread.isLoading &&
|
|
pendingUsageBaselineMessageIdsRef.current.size === 0
|
|
) {
|
|
pendingUsageBaselineMessageIdsRef.current = new Set(
|
|
thread.messages
|
|
.map(messageIdentity)
|
|
.filter((id): id is string => Boolean(id)),
|
|
);
|
|
}
|
|
}, [thread.isLoading, thread.messages]);
|
|
|
|
// Clear optimistic when server messages arrive.
|
|
// For messages with a human optimistic message, wait until the server's
|
|
// human message has arrived to avoid clearing before the input message
|
|
// appears in the stream (the input message may arrive via "values" events
|
|
// after individual "messages-tuple" events for AI messages).
|
|
const optimisticMessageCount = optimisticMessages.length;
|
|
const hasHumanOptimistic = optimisticMessages.some((m) => m.type === "human");
|
|
useEffect(() => {
|
|
if (optimisticMessageCount === 0) return;
|
|
|
|
const newHumanMsgArrived = humanMessageCount > prevHumanMsgCountRef.current;
|
|
|
|
if (!hasHumanOptimistic || newHumanMsgArrived) {
|
|
setOptimisticMessages([]);
|
|
}
|
|
}, [hasHumanOptimistic, humanMessageCount, optimisticMessageCount]);
|
|
|
|
const sendMessage = useCallback(
|
|
async (
|
|
threadId: string,
|
|
message: PromptInputMessage,
|
|
extraContext?: Record<string, unknown>,
|
|
options?: SendMessageOptions,
|
|
) => {
|
|
if (sendInFlightRef.current) {
|
|
return;
|
|
}
|
|
sendInFlightRef.current = true;
|
|
|
|
const text = message.text.trim();
|
|
|
|
// Capture the current human message count before showing optimistic
|
|
// messages so we can wait for the server's copy of the user input.
|
|
prevHumanMsgCountRef.current = humanMessageCount;
|
|
pendingUsageBaselineMessageIdsRef.current = new Set(
|
|
thread.messages
|
|
.map(messageIdentity)
|
|
.filter((id): id is string => Boolean(id)),
|
|
);
|
|
|
|
// Build optimistic files list with uploading status
|
|
const optimisticFiles: FileInMessage[] = (message.files ?? []).map(
|
|
(f) => ({
|
|
filename: f.filename ?? "",
|
|
size: 0,
|
|
status: "uploading" as const,
|
|
}),
|
|
);
|
|
|
|
const hideFromUI = options?.additionalKwargs?.hide_from_ui === true;
|
|
const optimisticAdditionalKwargs = {
|
|
...options?.additionalKwargs,
|
|
...(optimisticFiles.length > 0 ? { files: optimisticFiles } : {}),
|
|
};
|
|
|
|
const newOptimistic: Message[] = [];
|
|
if (!hideFromUI) {
|
|
newOptimistic.push({
|
|
type: "human",
|
|
id: `opt-human-${Date.now()}`,
|
|
content: text ? [{ type: "text", text }] : "",
|
|
additional_kwargs: optimisticAdditionalKwargs,
|
|
});
|
|
}
|
|
|
|
if (optimisticFiles.length > 0 && !hideFromUI) {
|
|
// Mock AI message while files are being uploaded
|
|
newOptimistic.push({
|
|
type: "ai",
|
|
id: `opt-ai-${Date.now()}`,
|
|
content: t.uploads.uploadingFiles,
|
|
additional_kwargs: { element: "task" },
|
|
});
|
|
}
|
|
setOptimisticMessages(newOptimistic);
|
|
|
|
listeners.current.onSend?.(threadId);
|
|
|
|
let uploadedFileInfo: UploadedFileInfo[] = [];
|
|
|
|
try {
|
|
// Upload files first if any
|
|
if (message.files && message.files.length > 0) {
|
|
setIsUploading(true);
|
|
try {
|
|
const filePromises = message.files.map((fileUIPart) =>
|
|
promptInputFilePartToFile(fileUIPart),
|
|
);
|
|
|
|
const conversionResults = await Promise.all(filePromises);
|
|
const files = conversionResults.filter(
|
|
(file): file is File => file !== null,
|
|
);
|
|
const failedConversions = conversionResults.length - files.length;
|
|
|
|
if (failedConversions > 0) {
|
|
throw new Error(
|
|
`Failed to prepare ${failedConversions} attachment(s) for upload. Please retry.`,
|
|
);
|
|
}
|
|
|
|
if (!threadId) {
|
|
throw new Error("Thread is not ready for file upload.");
|
|
}
|
|
|
|
if (files.length > 0) {
|
|
const uploadResponse = await uploadFiles(threadId, files);
|
|
uploadedFileInfo = uploadResponse.files;
|
|
|
|
// Update optimistic human message with uploaded status + paths
|
|
const uploadedFiles: FileInMessage[] = uploadedFileInfo.map(
|
|
(info) => ({
|
|
filename: info.filename,
|
|
size: info.size,
|
|
path: info.virtual_path,
|
|
status: "uploaded" as const,
|
|
}),
|
|
);
|
|
setOptimisticMessages((messages) => {
|
|
if (messages.length > 1 && messages[0]) {
|
|
const humanMessage: Message = messages[0];
|
|
return [
|
|
{
|
|
...humanMessage,
|
|
additional_kwargs: { files: uploadedFiles },
|
|
},
|
|
...messages.slice(1),
|
|
];
|
|
}
|
|
return messages;
|
|
});
|
|
}
|
|
} catch (error) {
|
|
const errorMessage =
|
|
error instanceof Error
|
|
? error.message
|
|
: "Failed to upload files.";
|
|
toast.error(errorMessage);
|
|
setOptimisticMessages([]);
|
|
throw error;
|
|
} finally {
|
|
setIsUploading(false);
|
|
}
|
|
}
|
|
|
|
// Build files metadata for submission (included in additional_kwargs)
|
|
const filesForSubmit: FileInMessage[] = uploadedFileInfo.map(
|
|
(info) => ({
|
|
filename: info.filename,
|
|
size: info.size,
|
|
path: info.virtual_path,
|
|
status: "uploaded" as const,
|
|
}),
|
|
);
|
|
|
|
await thread.submit(
|
|
{
|
|
messages: [
|
|
{
|
|
type: "human",
|
|
content: [
|
|
{
|
|
type: "text",
|
|
text,
|
|
},
|
|
],
|
|
additional_kwargs: {
|
|
...options?.additionalKwargs,
|
|
...(filesForSubmit.length > 0
|
|
? { files: filesForSubmit }
|
|
: {}),
|
|
},
|
|
},
|
|
],
|
|
},
|
|
{
|
|
threadId: threadId,
|
|
streamSubgraphs: true,
|
|
streamResumable: true,
|
|
config: {
|
|
recursion_limit: 1000,
|
|
},
|
|
context: {
|
|
...extraContext,
|
|
...context,
|
|
thinking_enabled: context.mode !== "flash",
|
|
is_plan_mode: context.mode === "pro" || context.mode === "ultra",
|
|
subagent_enabled: context.mode === "ultra",
|
|
reasoning_effort:
|
|
context.reasoning_effort ??
|
|
(context.mode === "ultra"
|
|
? "high"
|
|
: context.mode === "pro"
|
|
? "medium"
|
|
: context.mode === "thinking"
|
|
? "low"
|
|
: undefined),
|
|
thread_id: threadId,
|
|
},
|
|
},
|
|
);
|
|
void queryClient.invalidateQueries({ queryKey: ["threads", "search"] });
|
|
} catch (error) {
|
|
setOptimisticMessages([]);
|
|
setIsUploading(false);
|
|
throw error;
|
|
} finally {
|
|
sendInFlightRef.current = false;
|
|
}
|
|
},
|
|
[thread, t.uploads.uploadingFiles, context, queryClient, humanMessageCount],
|
|
);
|
|
|
|
// Cache the latest thread messages in a ref to compare against incoming history messages for deduplication,
|
|
// and to allow access to the full message list in onUpdateEvent without causing re-renders.
|
|
if (thread.messages.length >= messagesRef.current.length) {
|
|
messagesRef.current = thread.messages;
|
|
}
|
|
|
|
const visibleOptimisticMessages = getVisibleOptimisticMessages(
|
|
optimisticMessages,
|
|
prevHumanMsgCountRef.current,
|
|
humanMessageCount,
|
|
);
|
|
|
|
const mergedMessages = mergeMessages(
|
|
history,
|
|
thread.messages,
|
|
visibleOptimisticMessages,
|
|
);
|
|
const pendingUsageMessages = thread.isLoading
|
|
? getMessagesAfterBaseline(
|
|
thread.messages,
|
|
pendingUsageBaselineMessageIdsRef.current,
|
|
)
|
|
: [];
|
|
|
|
// Merge history, live stream, and optimistic messages for display
|
|
// History messages may overlap with thread.messages; thread.messages take precedence
|
|
const mergedThread = {
|
|
...thread,
|
|
messages: mergedMessages,
|
|
} as typeof thread;
|
|
|
|
return {
|
|
thread: mergedThread,
|
|
pendingUsageMessages,
|
|
sendMessage,
|
|
isUploading,
|
|
isHistoryLoading,
|
|
hasMoreHistory,
|
|
loadMoreHistory,
|
|
} as const;
|
|
}
|
|
|
|
export function useThreadHistory(threadId: string) {
|
|
const runs = useThreadRuns(threadId);
|
|
const threadIdRef = useRef(threadId);
|
|
const runsRef = useRef(runs.data ?? []);
|
|
const indexRef = useRef(-1);
|
|
const loadingRef = useRef(false);
|
|
const pendingLoadRef = useRef(false);
|
|
const loadingRunIdRef = useRef<string | null>(null);
|
|
const loadedRunIdsRef = useRef<Set<string>>(new Set());
|
|
const [loading, setLoading] = useState(false);
|
|
const [messages, setMessages] = useState<Message[]>([]);
|
|
|
|
const loadMessages = useCallback(async () => {
|
|
if (loadingRef.current) {
|
|
const pendingRunIndex = findLatestUnloadedRunIndex(
|
|
runsRef.current,
|
|
loadedRunIdsRef.current,
|
|
);
|
|
const pendingRun = runsRef.current[pendingRunIndex];
|
|
if (pendingRun && pendingRun.run_id !== loadingRunIdRef.current) {
|
|
pendingLoadRef.current = true;
|
|
}
|
|
return;
|
|
}
|
|
if (runsRef.current.length === 0) {
|
|
return;
|
|
}
|
|
|
|
loadingRef.current = true;
|
|
setLoading(true);
|
|
|
|
try {
|
|
do {
|
|
pendingLoadRef.current = false;
|
|
|
|
const nextRunIndex = findLatestUnloadedRunIndex(
|
|
runsRef.current,
|
|
loadedRunIdsRef.current,
|
|
);
|
|
indexRef.current = nextRunIndex;
|
|
|
|
const run = runsRef.current[nextRunIndex];
|
|
if (!run) {
|
|
indexRef.current = -1;
|
|
return;
|
|
}
|
|
|
|
const requestThreadId = threadIdRef.current;
|
|
loadingRunIdRef.current = run.run_id;
|
|
const result: { data: RunMessage[]; hasMore: boolean } = await fetch(
|
|
`${getBackendBaseURL()}/api/threads/${encodeURIComponent(requestThreadId)}/runs/${encodeURIComponent(run.run_id)}/messages`,
|
|
{
|
|
method: "GET",
|
|
headers: {
|
|
"Content-Type": "application/json",
|
|
},
|
|
credentials: "include",
|
|
},
|
|
).then((res) => {
|
|
return res.json();
|
|
});
|
|
const _messages = result.data
|
|
.filter((m) => !m.metadata.caller?.startsWith("middleware:"))
|
|
.map((m) => m.content);
|
|
if (threadIdRef.current !== requestThreadId) {
|
|
return;
|
|
}
|
|
setMessages((prev) =>
|
|
dedupeMessagesByIdentity([..._messages, ...prev]),
|
|
);
|
|
loadedRunIdsRef.current.add(run.run_id);
|
|
indexRef.current = findLatestUnloadedRunIndex(
|
|
runsRef.current,
|
|
loadedRunIdsRef.current,
|
|
);
|
|
} while (pendingLoadRef.current);
|
|
} catch (err) {
|
|
console.error(err);
|
|
} finally {
|
|
loadingRef.current = false;
|
|
loadingRunIdRef.current = null;
|
|
setLoading(false);
|
|
}
|
|
}, []);
|
|
useEffect(() => {
|
|
const threadChanged = threadIdRef.current !== threadId;
|
|
threadIdRef.current = threadId;
|
|
|
|
if (threadChanged) {
|
|
runsRef.current = [];
|
|
indexRef.current = -1;
|
|
pendingLoadRef.current = false;
|
|
loadingRunIdRef.current = null;
|
|
loadedRunIdsRef.current = new Set();
|
|
loadingRef.current = false;
|
|
setLoading(false);
|
|
setMessages([]);
|
|
}
|
|
|
|
if (runs.data && runs.data.length > 0) {
|
|
runsRef.current = runs.data ?? [];
|
|
indexRef.current = findLatestUnloadedRunIndex(
|
|
runs.data,
|
|
loadedRunIdsRef.current,
|
|
);
|
|
}
|
|
loadMessages().catch(() => {
|
|
toast.error("Failed to load thread history.");
|
|
});
|
|
}, [threadId, runs.data, loadMessages]);
|
|
|
|
const appendMessages = useCallback((_messages: Message[]) => {
|
|
setMessages((prev) => {
|
|
return dedupeMessagesByIdentity([...prev, ..._messages]);
|
|
});
|
|
}, []);
|
|
const hasMore = indexRef.current >= 0 || !runs.data;
|
|
return {
|
|
runs: runs.data,
|
|
messages,
|
|
loading,
|
|
appendMessages,
|
|
hasMore,
|
|
loadMore: loadMessages,
|
|
};
|
|
}
|
|
|
|
export function useThreads(
|
|
params: Parameters<ThreadsClient["search"]>[0] = {
|
|
limit: 50,
|
|
sortBy: "updated_at",
|
|
sortOrder: "desc",
|
|
select: ["thread_id", "updated_at", "values", "metadata"],
|
|
},
|
|
) {
|
|
const apiClient = getAPIClient();
|
|
return useQuery<AgentThread[]>({
|
|
queryKey: ["threads", "search", params],
|
|
queryFn: async () => {
|
|
const maxResults = params.limit;
|
|
const initialOffset = params.offset ?? 0;
|
|
const DEFAULT_PAGE_SIZE = 50;
|
|
|
|
// Preserve prior semantics: if a non-positive limit is explicitly provided,
|
|
// delegate to a single search call with the original parameters.
|
|
if (maxResults !== undefined && maxResults <= 0) {
|
|
const response =
|
|
await apiClient.threads.search<AgentThreadState>(params);
|
|
return response as AgentThread[];
|
|
}
|
|
|
|
const pageSize =
|
|
typeof maxResults === "number" && maxResults > 0
|
|
? Math.min(DEFAULT_PAGE_SIZE, maxResults)
|
|
: DEFAULT_PAGE_SIZE;
|
|
|
|
const threads: AgentThread[] = [];
|
|
let offset = initialOffset;
|
|
|
|
while (true) {
|
|
if (typeof maxResults === "number" && threads.length >= maxResults) {
|
|
break;
|
|
}
|
|
|
|
const currentLimit =
|
|
typeof maxResults === "number"
|
|
? Math.min(pageSize, maxResults - threads.length)
|
|
: pageSize;
|
|
|
|
if (typeof maxResults === "number" && currentLimit <= 0) {
|
|
break;
|
|
}
|
|
|
|
const response = (await apiClient.threads.search<AgentThreadState>({
|
|
...params,
|
|
limit: currentLimit,
|
|
offset,
|
|
})) as AgentThread[];
|
|
|
|
threads.push(...response);
|
|
|
|
if (response.length < currentLimit) {
|
|
break;
|
|
}
|
|
|
|
offset += response.length;
|
|
}
|
|
|
|
return threads;
|
|
},
|
|
refetchOnWindowFocus: false,
|
|
});
|
|
}
|
|
|
|
export function useThreadRuns(threadId?: string) {
|
|
const apiClient = getAPIClient();
|
|
return useQuery<Run[]>({
|
|
queryKey: ["thread", threadId],
|
|
queryFn: async () => {
|
|
if (!threadId) {
|
|
return [];
|
|
}
|
|
const response = await apiClient.runs.list(threadId);
|
|
return response;
|
|
},
|
|
refetchOnWindowFocus: false,
|
|
});
|
|
}
|
|
|
|
export function useThreadTokenUsage(
|
|
threadId?: string | null,
|
|
{ enabled = true }: { enabled?: boolean } = {},
|
|
) {
|
|
return useQuery<ThreadTokenUsageResponse | null>({
|
|
queryKey: threadTokenUsageQueryKey(threadId),
|
|
queryFn: async () => {
|
|
if (!threadId) {
|
|
return null;
|
|
}
|
|
return fetchThreadTokenUsage(threadId);
|
|
},
|
|
enabled: enabled && Boolean(threadId),
|
|
retry: false,
|
|
refetchOnWindowFocus: false,
|
|
});
|
|
}
|
|
|
|
export function useRunDetail(threadId: string, runId: string) {
|
|
const apiClient = getAPIClient();
|
|
return useQuery<Run>({
|
|
queryKey: ["thread", threadId, "run", runId],
|
|
queryFn: async () => {
|
|
const response = await apiClient.runs.get(threadId, runId);
|
|
return response;
|
|
},
|
|
refetchOnWindowFocus: false,
|
|
});
|
|
}
|
|
|
|
export function useDeleteThread() {
|
|
const queryClient = useQueryClient();
|
|
const apiClient = getAPIClient();
|
|
return useMutation({
|
|
mutationFn: async ({ threadId }: { threadId: string }) => {
|
|
await apiClient.threads.delete(threadId);
|
|
|
|
const response = await fetch(
|
|
`${getBackendBaseURL()}/api/threads/${encodeURIComponent(threadId)}`,
|
|
{
|
|
method: "DELETE",
|
|
},
|
|
);
|
|
|
|
if (!response.ok) {
|
|
const error = await response
|
|
.json()
|
|
.catch(() => ({ detail: "Failed to delete local thread data." }));
|
|
throw new Error(error.detail ?? "Failed to delete local thread data.");
|
|
}
|
|
},
|
|
onSuccess(_, { threadId }) {
|
|
queryClient.setQueriesData(
|
|
{
|
|
queryKey: ["threads", "search"],
|
|
exact: false,
|
|
},
|
|
(oldData: Array<AgentThread> | undefined) => {
|
|
if (oldData == null) {
|
|
return oldData;
|
|
}
|
|
return oldData.filter((t) => t.thread_id !== threadId);
|
|
},
|
|
);
|
|
},
|
|
onSettled() {
|
|
void queryClient.invalidateQueries({ queryKey: ["threads", "search"] });
|
|
},
|
|
});
|
|
}
|
|
|
|
export function useRenameThread() {
|
|
const queryClient = useQueryClient();
|
|
const apiClient = getAPIClient();
|
|
return useMutation({
|
|
mutationFn: async ({
|
|
threadId,
|
|
title,
|
|
}: {
|
|
threadId: string;
|
|
title: string;
|
|
}) => {
|
|
await apiClient.threads.updateState(threadId, {
|
|
values: { title },
|
|
});
|
|
},
|
|
onSuccess(_, { threadId, title }) {
|
|
queryClient.setQueriesData(
|
|
{
|
|
queryKey: ["threads", "search"],
|
|
exact: false,
|
|
},
|
|
(oldData: Array<AgentThread>) => {
|
|
return oldData.map((t) => {
|
|
if (t.thread_id === threadId) {
|
|
return {
|
|
...t,
|
|
values: {
|
|
...t.values,
|
|
title,
|
|
},
|
|
};
|
|
}
|
|
return t;
|
|
});
|
|
},
|
|
);
|
|
},
|
|
});
|
|
}
|