feat: initialize experimental agent repo
This commit is contained in:
@@ -0,0 +1,474 @@
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import {
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createOpencode,
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createOpencodeClient,
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type OpencodeClient,
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} from "@opencode-ai/sdk/v2";
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import { existsSync, readFileSync } from "node:fs";
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import { resolve } from "node:path";
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import { config } from "../config.js";
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import { logger } from "../logger.js";
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const isDevelopmentDebugLoggingEnabled = process.env.NODE_ENV === "development";
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const logDevelopmentDebug = (
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message: string,
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metadata: Record<string, unknown>,
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) => {
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if (!isDevelopmentDebugLoggingEnabled) {
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return;
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}
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logger.info(metadata, message);
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};
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export type RuntimeHealth = {
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healthy: boolean;
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version: string;
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};
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type RuntimeModelOverride = {
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providerID: string;
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modelID: string;
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};
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export type PermissionReply = "once" | "always" | "reject";
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export type QuestionAnswers = string[][];
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type RuntimeMessage = {
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info: {
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id: string;
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role: string;
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};
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};
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const getRuntimeMessageRole = (message: RuntimeMessage) => message.info.role;
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const getRuntimeMessageId = (message: RuntimeMessage) => message.info.id;
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export class OpencodeRuntimeAdapter {
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private clientPromise: Promise<OpencodeClient> | null = null;
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private closeServer: (() => void) | null = null;
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async ensureClient(): Promise<OpencodeClient> {
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if (!this.clientPromise) {
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this.clientPromise = this.bootstrapClient().catch((error) => {
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this.clientPromise = null;
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throw error;
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});
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}
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return this.clientPromise;
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}
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async health(): Promise<RuntimeHealth> {
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const client = await this.ensureClient();
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const response = await client.global.health();
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return requireData(response.data, "global.health");
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}
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async createSession(title?: string) {
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const client = await this.ensureClient();
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const response = await client.session.create({
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title,
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});
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return requireData(response.data, "session.create");
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}
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async sendPrompt(sessionId: string, text: string) {
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await this.prompt(sessionId, text);
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// 当前 SDK 响应风格下,prompt() 本身不会直接返回完整 assistant parts,
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// 所以这里紧跟一次 messages() 回读,给上层路由统一消费。
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return this.messages(sessionId);
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}
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async prompt(sessionId: string, text: string, model?: RuntimeModelOverride) {
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const client = await this.ensureClient();
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const startedAt = Date.now();
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logDevelopmentDebug(
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"dispatching opencode session.prompt",
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{
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sessionId,
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model: model ?? null,
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textChars: text.length,
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},
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);
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await client.session.prompt({
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sessionID: sessionId,
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model,
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parts: [{ type: "text", text }],
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});
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logDevelopmentDebug(
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"opencode session.prompt returned",
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{
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sessionId,
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elapsedMs: Math.max(0, Date.now() - startedAt),
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},
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);
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}
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async messages(sessionId: string, limit = 20) {
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const client = await this.ensureClient();
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const messages = await client.session.messages({
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sessionID: sessionId,
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limit,
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});
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return requireData(messages.data, "session.messages");
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}
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async revertMessage(sessionId: string, messageId: string) {
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const client = await this.ensureClient();
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const response = await client.session.revert({
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sessionID: sessionId,
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messageID: messageId,
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});
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return response.data;
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}
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async removeMessage(sessionId: string, messageId: string) {
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const client = await this.ensureClient();
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const response = await client.session.deleteMessage({
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sessionID: sessionId,
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messageID: messageId,
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});
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return response.data;
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}
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async revertToUserMessage(sessionId: string, options: { userOrdinal: number }) {
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const messages = await this.messages(sessionId, 80);
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const userMessages = messages.filter(
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(message) => getRuntimeMessageRole(message) === "user",
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);
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const targetUserMessage = userMessages[options.userOrdinal - 1];
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if (!targetUserMessage) {
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if (messages.length === 0 && options.userOrdinal === 1) {
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logger.warn(
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{ sessionId, userOrdinal: options.userOrdinal },
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"skipping opencode revert because runtime session has no messages",
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);
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return;
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}
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throw new Error("target user message not found to revert");
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}
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const targetMessageId = getRuntimeMessageId(targetUserMessage);
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const targetIndex = messages.findIndex(
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(message) => getRuntimeMessageId(message) === targetMessageId,
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);
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const messagesToRemove = targetIndex >= 0 ? messages.slice(targetIndex) : [targetUserMessage];
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await this.revertMessage(sessionId, targetMessageId);
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for (const message of messagesToRemove.reverse()) {
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const messageId = getRuntimeMessageId(message);
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try {
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await this.removeMessage(sessionId, messageId);
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} catch (error) {
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logger.warn(
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{ err: error, sessionId, messageId },
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"failed to remove reverted opencode message",
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);
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}
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}
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}
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async abortSession(sessionId: string) {
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const client = await this.ensureClient();
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const response = await client.session.abort({
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sessionID: sessionId,
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});
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return requireData(response.data, "session.abort");
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}
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async waitForSessionIdle(sessionId: string, timeoutMs = config.OPENCODE_TIMEOUT_MS) {
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const client = await this.ensureClient();
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const startedAt = Date.now();
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while (Date.now() - startedAt < timeoutMs) {
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const response = await client.session.status({});
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const statuses = requireData(response.data, "session.status");
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const status = statuses[sessionId];
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if (!status || status.type === "idle") {
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return;
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}
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await delay(100);
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}
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logger.warn(
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{ sessionId, timeoutMs },
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"timed out waiting for opencode session to become idle",
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);
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}
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async subscribeEvents() {
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const client = await this.ensureClient();
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const response = await client.event.subscribe();
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return response.stream;
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}
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async replyPermission(options: {
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requestId: string;
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sessionId?: string;
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reply: PermissionReply;
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message?: string;
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}) {
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const client = await this.ensureClient();
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if ("permission" in client && client.permission?.reply) {
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const response = await client.permission.reply({
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requestID: options.requestId,
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reply: options.reply,
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message: options.message,
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});
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return response.data;
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}
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if ("permission" in client && client.permission?.respond && options.sessionId) {
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const response = await client.permission.respond({
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sessionID: options.sessionId,
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permissionID: options.requestId,
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response: options.reply,
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});
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return response.data;
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}
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throw new Error("opencode permission reply API is unavailable");
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}
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async replyQuestion(options: {
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requestId: string;
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sessionId?: string;
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answers: QuestionAnswers;
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}) {
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const client = await this.ensureClient();
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if ("question" in client && client.question?.reply) {
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try {
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const response = await client.question.reply({
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requestID: options.requestId,
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answers: options.answers,
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});
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return response.data;
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} catch (error) {
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if (!options.sessionId) {
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throw error;
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}
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}
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}
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const v2Question = (client as unknown as {
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v2?: {
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session?: {
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question?: {
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reply?: (parameters: {
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sessionID: string;
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requestID: string;
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questionV2Reply: { answers: QuestionAnswers };
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}) => Promise<{ data: unknown }>;
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};
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};
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};
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}).v2?.session?.question;
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if (v2Question?.reply && options.sessionId) {
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const response = await v2Question.reply({
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sessionID: options.sessionId,
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requestID: options.requestId,
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questionV2Reply: {
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answers: options.answers,
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},
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});
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return response.data;
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}
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throw new Error("opencode question reply API is unavailable");
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}
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async rejectQuestion(options: {
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requestId: string;
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sessionId?: string;
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}) {
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const client = await this.ensureClient();
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if ("question" in client && client.question?.reject) {
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try {
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const response = await client.question.reject({
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requestID: options.requestId,
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});
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return response.data;
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} catch (error) {
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if (!options.sessionId) {
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throw error;
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}
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}
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}
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const v2Question = (client as unknown as {
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v2?: {
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session?: {
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question?: {
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reject?: (parameters: {
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sessionID: string;
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requestID: string;
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}) => Promise<{ data: unknown }>;
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};
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};
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};
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}).v2?.session?.question;
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if (v2Question?.reject && options.sessionId) {
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const response = await v2Question.reject({
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sessionID: options.sessionId,
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requestID: options.requestId,
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});
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return response.data;
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}
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throw new Error("opencode question reject API is unavailable");
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}
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async dispose(): Promise<void> {
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this.closeServer?.();
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this.closeServer = null;
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this.clientPromise = null;
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}
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private async bootstrapClient(): Promise<OpencodeClient> {
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if (config.OPENCODE_MODE === "client") {
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logger.info(
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{
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baseUrl: config.OPENCODE_CLIENT_BASE_URL,
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mode: config.OPENCODE_MODE,
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},
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"connecting to opencode server in client mode",
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);
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return createOpencodeClient({
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baseUrl: config.OPENCODE_CLIENT_BASE_URL,
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});
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}
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// embedded 模式下,把服务内工具桥地址注入到 opencode 进程环境里,
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// 这样 .opencode/tools 下的自定义工具可以回调本服务。
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process.env.TJWATER_AGENT_INTERNAL_BASE_URL = `http://127.0.0.1:${config.PORT}`;
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process.env.TJWATER_AGENT_INTERNAL_TOKEN =
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config.AGENT_INTERNAL_TOKEN ??
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process.env.TJWATER_AGENT_INTERNAL_TOKEN ??
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"";
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logger.info(
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{
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hostname: config.OPENCODE_HOSTNAME,
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port: config.OPENCODE_PORT,
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model: config.OPENCODE_MODEL,
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mode: config.OPENCODE_MODE,
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},
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"starting opencode server in embedded mode",
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);
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const startedAt = Date.now();
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let runtime;
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try {
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runtime = await createOpencode({
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hostname: config.OPENCODE_HOSTNAME,
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port: config.OPENCODE_PORT,
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timeout: config.OPENCODE_TIMEOUT_MS,
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config: buildOpencodeConfig(),
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});
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} catch (error) {
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if (isMissingOpencodeCli(error)) {
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throw new Error(
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"embedded mode requires the opencode CLI to be installed and available in PATH; otherwise set OPENCODE_MODE=client and provide OPENCODE_CLIENT_BASE_URL",
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);
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}
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throw error;
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}
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logger.info(
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{
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elapsedMs: Math.max(0, Date.now() - startedAt),
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hostname: config.OPENCODE_HOSTNAME,
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port: config.OPENCODE_PORT,
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mode: config.OPENCODE_MODE,
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},
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"opencode server started in embedded mode",
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);
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this.closeServer = () => {
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runtime.server.close();
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};
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return runtime.client;
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}
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}
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export const opencodeRuntime = new OpencodeRuntimeAdapter();
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function buildOpencodeConfig(): Record<string, unknown> {
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return deepMerge(
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deepMerge(readProjectOpencodeConfig(), readEnvOpencodeConfig()),
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{
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model: config.OPENCODE_MODEL,
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},
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);
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}
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function readProjectOpencodeConfig(): Record<string, unknown> {
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const path = resolve(process.cwd(), "opencode.json");
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if (!existsSync(path)) {
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return {};
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}
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return parseConfigJson(readFileSync(path, "utf8"), path);
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}
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function readEnvOpencodeConfig(): Record<string, unknown> {
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const content = process.env.OPENCODE_CONFIG_CONTENT;
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if (!content?.trim()) {
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return {};
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}
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return parseConfigJson(content, "OPENCODE_CONFIG_CONTENT");
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}
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function parseConfigJson(content: string, source: string): Record<string, unknown> {
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const parsed = JSON.parse(content) as unknown;
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if (typeof parsed !== "object" || parsed === null || Array.isArray(parsed)) {
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throw new Error(`${source} must contain a JSON object`);
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}
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return parsed as Record<string, unknown>;
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}
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function deepMerge(
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left: Record<string, unknown>,
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right: Record<string, unknown>,
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): Record<string, unknown> {
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const next = { ...left };
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for (const [key, value] of Object.entries(right)) {
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const existing = next[key];
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if (isPlainObject(existing) && isPlainObject(value)) {
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next[key] = deepMerge(existing, value);
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} else {
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next[key] = value;
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}
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}
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return next;
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}
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function isPlainObject(value: unknown): value is Record<string, unknown> {
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return typeof value === "object" && value !== null && !Array.isArray(value);
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}
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function isMissingOpencodeCli(error: unknown): error is NodeJS.ErrnoException {
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return (
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typeof error === "object" &&
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error !== null &&
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"code" in error &&
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(error as NodeJS.ErrnoException).code === "ENOENT"
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);
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}
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function requireData<T>(data: T | undefined, operation: string): T {
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if (data === undefined) {
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throw new Error(`${operation} returned no data`);
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}
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return data;
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}
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function delay(ms: number) {
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return new Promise<void>((resolve) => {
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setTimeout(resolve, ms);
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});
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}
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@@ -0,0 +1,27 @@
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export type RuntimeSessionContext = {
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actorKey: string;
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allowLearningWrite?: boolean;
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clientSessionId: string;
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learningMode?: "interactive" | "review";
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memoryListReadScopes?: Partial<Record<"user" | "workspace", boolean>>;
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network?: string;
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projectId?: string;
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projectKey: string;
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sessionId: string;
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traceId: string;
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};
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const contexts = new Map<string, RuntimeSessionContext>();
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export const setRuntimeSessionContext = (context: RuntimeSessionContext) => {
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contexts.set(context.sessionId, { ...context });
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};
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export const getRuntimeSessionContext = (sessionId: string) => {
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const context = contexts.get(sessionId);
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return context ? { ...context } : null;
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};
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export const removeRuntimeSessionContext = (sessionId: string) => {
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contexts.delete(sessionId);
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};
|
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Reference in New Issue
Block a user