735 lines
21 KiB
TypeScript
735 lines
21 KiB
TypeScript
import { DEFAULT_MAX_TOKENS } from '@renderer/config/constant'
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import {
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getOpenAIWebSearchParams,
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isOpenAIoSeries,
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isReasoningModel,
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isSupportedModel,
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isVisionModel
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} from '@renderer/config/models'
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import { getStoreSetting } from '@renderer/hooks/useSettings'
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import i18n from '@renderer/i18n'
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import { getAssistantSettings, getDefaultModel, getTopNamingModel } from '@renderer/services/AssistantService'
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import { EVENT_NAMES } from '@renderer/services/EventService'
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import {
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filterContextMessages,
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filterEmptyMessages,
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filterUserRoleStartMessages
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} from '@renderer/services/MessagesService'
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import {
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Assistant,
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FileTypes,
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GenerateImageParams,
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MCPToolResponse,
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Message,
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Model,
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Provider,
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Suggestion
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} from '@renderer/types'
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import { removeSpecialCharactersForTopicName } from '@renderer/utils'
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import {
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callMCPTool,
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filterMCPTools,
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mcpToolsToOpenAITools,
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openAIToolsToMcpTool,
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upsertMCPToolResponse
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} from '@renderer/utils/mcp-tools'
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import { isString, takeRight } from 'lodash'
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import OpenAI, { AzureOpenAI } from 'openai'
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import {
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ChatCompletionAssistantMessageParam,
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ChatCompletionContentPart,
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ChatCompletionCreateParamsNonStreaming,
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ChatCompletionMessageParam,
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ChatCompletionMessageToolCall,
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ChatCompletionToolMessageParam
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} from 'openai/resources'
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import { CompletionsParams } from '.'
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import BaseProvider from './BaseProvider'
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type ReasoningEffort = 'high' | 'medium' | 'low'
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export default class OpenAIProvider extends BaseProvider {
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private sdk: OpenAI
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constructor(provider: Provider) {
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super(provider)
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if (provider.id === 'azure-openai' || provider.type === 'azure-openai') {
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this.sdk = new AzureOpenAI({
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dangerouslyAllowBrowser: true,
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apiKey: this.apiKey,
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apiVersion: provider.apiVersion,
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endpoint: provider.apiHost
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})
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return
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}
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this.sdk = new OpenAI({
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dangerouslyAllowBrowser: true,
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apiKey: this.apiKey,
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baseURL: this.getBaseURL(),
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defaultHeaders: this.defaultHeaders()
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})
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}
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private get isNotSupportFiles() {
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const providers = ['deepseek', 'baichuan', 'minimax', 'doubao', 'xirang']
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return providers.includes(this.provider.id)
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}
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private async getMessageParam(
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message: Message,
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model: Model
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): Promise<OpenAI.Chat.Completions.ChatCompletionMessageParam> {
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const isVision = isVisionModel(model)
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const content = await this.getMessageContent(message)
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if (!message.files) {
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return {
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role: message.role,
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content
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}
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}
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if (this.isNotSupportFiles) {
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if (message.files) {
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const textFiles = message.files.filter((file) => [FileTypes.TEXT, FileTypes.DOCUMENT].includes(file.type))
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if (textFiles.length > 0) {
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let text = ''
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const divider = '\n\n---\n\n'
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for (const file of textFiles) {
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const fileContent = (await window.api.file.read(file.id + file.ext)).trim()
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const fileNameRow = 'file: ' + file.origin_name + '\n\n'
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text = text + fileNameRow + fileContent + divider
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}
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return {
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role: message.role,
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content: content + divider + text
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}
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}
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}
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return {
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role: message.role,
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content
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}
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}
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const parts: ChatCompletionContentPart[] = [
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{
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type: 'text',
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text: content
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}
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]
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for (const file of message.files || []) {
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if (file.type === FileTypes.IMAGE && isVision) {
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const image = await window.api.file.base64Image(file.id + file.ext)
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parts.push({
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type: 'image_url',
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image_url: { url: image.data }
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})
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}
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if ([FileTypes.TEXT, FileTypes.DOCUMENT].includes(file.type)) {
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const fileContent = await (await window.api.file.read(file.id + file.ext)).trim()
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parts.push({
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type: 'text',
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text: file.origin_name + '\n' + fileContent
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})
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}
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}
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return {
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role: message.role,
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content: parts
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} as ChatCompletionMessageParam
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}
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private getTemperature(assistant: Assistant, model: Model) {
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if (isReasoningModel(model)) return undefined
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return assistant?.settings?.temperature
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}
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private getProviderSpecificParameters(assistant: Assistant, model: Model) {
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const { maxTokens } = getAssistantSettings(assistant)
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if (this.provider.id === 'openrouter') {
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if (model.id.includes('deepseek-r1')) {
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return {
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include_reasoning: true
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}
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}
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}
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if (this.isOpenAIReasoning(model)) {
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return {
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max_tokens: undefined,
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max_completion_tokens: maxTokens
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}
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}
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return {}
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}
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private getTopP(assistant: Assistant, model: Model) {
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if (isReasoningModel(model)) return undefined
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return assistant?.settings?.topP
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}
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private getReasoningEffort(assistant: Assistant, model: Model) {
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if (this.provider.id === 'groq') {
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return {}
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}
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if (isReasoningModel(model)) {
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if (model.provider === 'openrouter') {
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return {
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reasoning: {
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effort: assistant?.settings?.reasoning_effort
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}
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}
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}
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if (isOpenAIoSeries(model)) {
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return {
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reasoning_effort: assistant?.settings?.reasoning_effort
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}
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}
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if (model.id.includes('claude-3.7-sonnet') || model.id.includes('claude-3-7-sonnet')) {
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const effortRatios: Record<ReasoningEffort, number> = {
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high: 0.8,
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medium: 0.5,
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low: 0.2
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}
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const effort = assistant?.settings?.reasoning_effort as ReasoningEffort
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const effortRatio = effortRatios[effort]
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if (!effortRatio) {
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return {}
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}
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const maxTokens = assistant?.settings?.maxTokens || DEFAULT_MAX_TOKENS
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const budgetTokens = Math.trunc(Math.max(Math.min(maxTokens * effortRatio, 32000), 1024))
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return {
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thinking: {
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type: 'enabled',
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budget_tokens: budgetTokens
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}
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}
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}
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return {}
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}
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return {}
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}
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private isOpenAIReasoning(model: Model) {
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return model.id.startsWith('o1') || model.id.startsWith('o3')
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}
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async completions({ messages, assistant, onChunk, onFilterMessages, mcpTools }: CompletionsParams): Promise<void> {
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const defaultModel = getDefaultModel()
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const model = assistant.model || defaultModel
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const { contextCount, maxTokens, streamOutput } = getAssistantSettings(assistant)
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let systemMessage = assistant.prompt ? { role: 'system', content: assistant.prompt } : undefined
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if (isOpenAIoSeries(model)) {
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systemMessage = {
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role: 'developer',
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content: `Formatting re-enabled${systemMessage ? '\n' + systemMessage.content : ''}`
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}
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}
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const userMessages: ChatCompletionMessageParam[] = []
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const _messages = filterUserRoleStartMessages(
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filterEmptyMessages(filterContextMessages(takeRight(messages, contextCount + 1)))
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)
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onFilterMessages(_messages)
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for (const message of _messages) {
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userMessages.push(await this.getMessageParam(message, model))
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}
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const isOpenAIReasoning = this.isOpenAIReasoning(model)
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const isSupportStreamOutput = () => {
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if (isOpenAIReasoning) {
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return false
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}
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return streamOutput
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}
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let hasReasoningContent = false
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let lastChunk = ''
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const isReasoningJustDone = (
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delta: OpenAI.Chat.Completions.ChatCompletionChunk.Choice.Delta & {
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reasoning_content?: string
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reasoning?: string
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thinking?: string
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}
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) => {
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if (!delta?.content) return false
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// 检查当前chunk和上一个chunk的组合是否形成###Response标记
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const combinedChunks = lastChunk + delta.content
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lastChunk = delta.content
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// 检测思考结束
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if (combinedChunks.includes('###Response') || delta.content === '</think>') {
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return true
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}
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// 如果有reasoning_content或reasoning，说明是在思考中
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if (delta?.reasoning_content || delta?.reasoning || delta?.thinking) {
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hasReasoningContent = true
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}
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// 如果之前有reasoning_content或reasoning，现在有普通content，说明思考结束
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if (hasReasoningContent && delta.content) {
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return true
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}
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return false
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}
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let time_first_token_millsec = 0
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let time_first_content_millsec = 0
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const start_time_millsec = new Date().getTime()
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const lastUserMessage = _messages.findLast((m) => m.role === 'user')
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const { abortController, cleanup } = this.createAbortController(lastUserMessage?.id)
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const { signal } = abortController
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mcpTools = filterMCPTools(mcpTools, lastUserMessage?.enabledMCPs)
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const tools = mcpTools && mcpTools.length > 0 ? mcpToolsToOpenAITools(mcpTools) : undefined
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const reqMessages: ChatCompletionMessageParam[] = [systemMessage, ...userMessages].filter(
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Boolean
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) as ChatCompletionMessageParam[]
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const toolResponses: MCPToolResponse[] = []
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const processStream = async (stream: any, idx: number) => {
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if (!isSupportStreamOutput()) {
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const time_completion_millsec = new Date().getTime() - start_time_millsec
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return onChunk({
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text: stream.choices[0].message?.content || '',
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usage: stream.usage,
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metrics: {
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completion_tokens: stream.usage?.completion_tokens,
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time_completion_millsec,
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time_first_token_millsec: 0
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}
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})
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}
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const final_tool_calls = {} as Record<number, ChatCompletionMessageToolCall>
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for await (const chunk of stream) {
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if (window.keyv.get(EVENT_NAMES.CHAT_COMPLETION_PAUSED)) {
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break
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}
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const delta = chunk.choices[0]?.delta
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if (delta?.reasoning_content || delta?.reasoning) {
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hasReasoningContent = true
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}
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if (time_first_token_millsec == 0) {
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time_first_token_millsec = new Date().getTime() - start_time_millsec
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}
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if (time_first_content_millsec == 0 && isReasoningJustDone(delta)) {
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time_first_content_millsec = new Date().getTime()
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}
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const time_completion_millsec = new Date().getTime() - start_time_millsec
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const time_thinking_millsec = time_first_content_millsec ? time_first_content_millsec - start_time_millsec : 0
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// Extract citations from the raw response if available
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const citations = (chunk as OpenAI.Chat.Completions.ChatCompletionChunk & { citations?: string[] })?.citations
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const finishReason = chunk.choices[0]?.finish_reason
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if (delta?.tool_calls) {
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const chunkToolCalls = delta.tool_calls
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for (const t of chunkToolCalls) {
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const { index, id, function: fn, type } = t
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const args = fn && typeof fn.arguments === 'string' ? fn.arguments : ''
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if (!(index in final_tool_calls)) {
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final_tool_calls[index] = {
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id,
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function: {
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name: fn?.name,
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arguments: args
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},
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type
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} as ChatCompletionMessageToolCall
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} else {
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final_tool_calls[index].function.arguments += args
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}
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}
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if (finishReason !== 'tool_calls') {
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continue
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}
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}
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if (finishReason === 'tool_calls') {
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const toolCalls = Object.values(final_tool_calls)
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reqMessages.push({
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role: 'assistant',
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tool_calls: toolCalls
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} as ChatCompletionAssistantMessageParam)
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for (const toolCall of toolCalls) {
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const mcpTool = openAIToolsToMcpTool(mcpTools, toolCall)
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if (!mcpTool) {
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continue
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}
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upsertMCPToolResponse(toolResponses, { tool: mcpTool, status: 'invoking', id: toolCall.id }, onChunk)
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const toolCallResponse = await callMCPTool(mcpTool)
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reqMessages.push({
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role: 'tool',
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content: isString(toolCallResponse.content)
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? toolCallResponse.content
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: JSON.stringify(toolCallResponse.content),
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tool_call_id: toolCall.id
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} as ChatCompletionToolMessageParam)
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upsertMCPToolResponse(
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toolResponses,
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{ tool: mcpTool, status: 'done', response: toolCallResponse, id: toolCall.id },
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onChunk
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)
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}
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const newStream = await this.sdk.chat.completions
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// @ts-ignore key is not typed
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.create(
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{
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model: model.id,
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messages: reqMessages,
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temperature: this.getTemperature(assistant, model),
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top_p: this.getTopP(assistant, model),
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max_tokens: maxTokens,
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keep_alive: this.keepAliveTime,
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stream: isSupportStreamOutput(),
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tools: tools,
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...getOpenAIWebSearchParams(assistant, model),
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...this.getReasoningEffort(assistant, model),
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...this.getProviderSpecificParameters(assistant, model),
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...this.getCustomParameters(assistant)
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},
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{
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signal
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}
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)
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await processStream(newStream, idx + 1)
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}
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onChunk({
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text: delta?.content || '',
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reasoning_content: delta?.reasoning_content || delta?.reasoning || '',
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usage: chunk.usage,
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metrics: {
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completion_tokens: chunk.usage?.completion_tokens,
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time_completion_millsec,
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time_first_token_millsec,
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time_thinking_millsec
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},
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citations,
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mcpToolResponse: toolResponses
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})
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}
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}
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const stream = await this.sdk.chat.completions
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// @ts-ignore key is not typed
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.create(
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{
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model: model.id,
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messages: reqMessages,
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temperature: this.getTemperature(assistant, model),
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top_p: this.getTopP(assistant, model),
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max_tokens: maxTokens,
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keep_alive: this.keepAliveTime,
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stream: isSupportStreamOutput(),
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tools: tools,
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...getOpenAIWebSearchParams(assistant, model),
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...this.getReasoningEffort(assistant, model),
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...this.getProviderSpecificParameters(assistant, model),
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...this.getCustomParameters(assistant)
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},
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{
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signal
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}
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)
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await processStream(stream, 0).finally(cleanup)
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}
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async translate(message: Message, assistant: Assistant, onResponse?: (text: string) => void) {
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const defaultModel = getDefaultModel()
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const model = assistant.model || defaultModel
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const messages = message.content
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? [
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{ role: 'system', content: assistant.prompt },
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{ role: 'user', content: message.content }
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]
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: [{ role: 'user', content: assistant.prompt }]
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const isOpenAIReasoning = this.isOpenAIReasoning(model)
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const isSupportedStreamOutput = () => {
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if (!onResponse) {
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return false
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}
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if (isOpenAIReasoning) {
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return false
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}
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return true
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}
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const stream = isSupportedStreamOutput()
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// @ts-ignore key is not typed
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const response = await this.sdk.chat.completions.create({
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model: model.id,
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messages: messages as ChatCompletionMessageParam[],
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stream,
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keep_alive: this.keepAliveTime,
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temperature: assistant?.settings?.temperature
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})
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if (!stream) {
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return response.choices[0].message?.content || ''
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}
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let text = ''
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let isThinking = false
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const isReasoning = isReasoningModel(model)
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for await (const chunk of response) {
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const deltaContent = chunk.choices[0]?.delta?.content || ''
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if (!deltaContent.trim()) {
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continue
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}
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if (isReasoning) {
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if (deltaContent.includes('<think>')) {
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isThinking = true
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}
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if (!isThinking) {
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text += deltaContent
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onResponse?.(text)
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}
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if (deltaContent.includes('</think>')) {
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isThinking = false
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}
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} else {
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text += deltaContent
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onResponse?.(text)
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}
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}
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return text
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}
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public async summaries(messages: Message[], assistant: Assistant): Promise<string> {
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const model = getTopNamingModel() || assistant.model || getDefaultModel()
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const userMessages = takeRight(messages, 5)
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.filter((message) => !message.isPreset)
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.map((message) => ({
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role: message.role,
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content: message.content
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}))
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const userMessageContent = userMessages.reduce((prev, curr) => {
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||
const content = curr.role === 'user' ? `User: ${curr.content}` : `Assistant: ${curr.content}`
|
||
return prev + (prev ? '\n' : '') + content
|
||
}, '')
|
||
|
||
const systemMessage = {
|
||
role: 'system',
|
||
content: getStoreSetting('topicNamingPrompt') || i18n.t('prompts.title')
|
||
}
|
||
|
||
const userMessage = {
|
||
role: 'user',
|
||
content: userMessageContent
|
||
}
|
||
|
||
// @ts-ignore key is not typed
|
||
const response = await this.sdk.chat.completions.create({
|
||
model: model.id,
|
||
messages: [systemMessage, userMessage] as ChatCompletionMessageParam[],
|
||
stream: false,
|
||
keep_alive: this.keepAliveTime,
|
||
max_tokens: 1000
|
||
})
|
||
|
||
// 针对思考类模型的返回，总结仅截取</think>之后的内容
|
||
let content = response.choices[0].message?.content || ''
|
||
content = content.replace(/^<think>(.*?)<\/think>/s, '')
|
||
|
||
return removeSpecialCharactersForTopicName(content.substring(0, 50))
|
||
}
|
||
|
||
public async generateText({ prompt, content }: { prompt: string; content: string }): Promise<string> {
|
||
const model = getDefaultModel()
|
||
|
||
const response = await this.sdk.chat.completions.create({
|
||
model: model.id,
|
||
stream: false,
|
||
messages: [
|
||
{ role: 'system', content: prompt },
|
||
{ role: 'user', content }
|
||
]
|
||
})
|
||
|
||
return response.choices[0].message?.content || ''
|
||
}
|
||
|
||
async suggestions(messages: Message[], assistant: Assistant): Promise<Suggestion[]> {
|
||
const model = assistant.model
|
||
|
||
if (!model) {
|
||
return []
|
||
}
|
||
|
||
const response: any = await this.sdk.request({
|
||
method: 'post',
|
||
path: '/advice_questions',
|
||
body: {
|
||
messages: messages.filter((m) => m.role === 'user').map((m) => ({ role: m.role, content: m.content })),
|
||
model: model.id,
|
||
max_tokens: 0,
|
||
temperature: 0,
|
||
n: 0
|
||
}
|
||
})
|
||
|
||
return response?.questions?.filter(Boolean)?.map((q: any) => ({ content: q })) || []
|
||
}
|
||
|
||
public async check(model: Model): Promise<{ valid: boolean; error: Error | null }> {
|
||
if (!model) {
|
||
return { valid: false, error: new Error('No model found') }
|
||
}
|
||
|
||
const body = {
|
||
model: model.id,
|
||
messages: [{ role: 'user', content: 'hi' }],
|
||
stream: false
|
||
}
|
||
|
||
try {
|
||
const response = await this.sdk.chat.completions.create(body as ChatCompletionCreateParamsNonStreaming)
|
||
|
||
return {
|
||
valid: Boolean(response?.choices[0].message),
|
||
error: null
|
||
}
|
||
} catch (error: any) {
|
||
return {
|
||
valid: false,
|
||
error
|
||
}
|
||
}
|
||
}
|
||
|
||
public async models(): Promise<OpenAI.Models.Model[]> {
|
||
try {
|
||
const response = await this.sdk.models.list()
|
||
|
||
if (this.provider.id === 'github') {
|
||
// @ts-ignore key is not typed
|
||
return response.body
|
||
.map((model) => ({
|
||
id: model.name,
|
||
description: model.summary,
|
||
object: 'model',
|
||
owned_by: model.publisher
|
||
}))
|
||
.filter(isSupportedModel)
|
||
}
|
||
|
||
if (this.provider.id === 'together') {
|
||
// @ts-ignore key is not typed
|
||
return response?.body
|
||
.map((model: any) => ({
|
||
id: model.id,
|
||
description: model.display_name,
|
||
object: 'model',
|
||
owned_by: model.organization
|
||
}))
|
||
.filter(isSupportedModel)
|
||
}
|
||
|
||
const models = response?.data || []
|
||
|
||
return models.filter(isSupportedModel)
|
||
} catch (error) {
|
||
return []
|
||
}
|
||
}
|
||
|
||
public async generateImage({
|
||
model,
|
||
prompt,
|
||
negativePrompt,
|
||
imageSize,
|
||
batchSize,
|
||
seed,
|
||
numInferenceSteps,
|
||
guidanceScale,
|
||
signal,
|
||
promptEnhancement
|
||
}: GenerateImageParams): Promise<string[]> {
|
||
const response = (await this.sdk.request({
|
||
method: 'post',
|
||
path: '/images/generations',
|
||
signal,
|
||
body: {
|
||
model,
|
||
prompt,
|
||
negative_prompt: negativePrompt,
|
||
image_size: imageSize,
|
||
batch_size: batchSize,
|
||
seed: seed ? parseInt(seed) : undefined,
|
||
num_inference_steps: numInferenceSteps,
|
||
guidance_scale: guidanceScale,
|
||
prompt_enhancement: promptEnhancement
|
||
}
|
||
})) as { data: Array<{ url: string }> }
|
||
|
||
return response.data.map((item) => item.url)
|
||
}
|
||
|
||
public async getEmbeddingDimensions(model: Model): Promise<number> {
|
||
const data = await this.sdk.embeddings.create({
|
||
model: model.id,
|
||
input: model?.provider === 'baidu-cloud' ? ['hi'] : 'hi'
|
||
})
|
||
return data.data[0].embedding.length
|
||
}
|
||
}
|