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feat: 多 Agent 支持 - @路由、@list、@切换 #1

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feat: 多 Agent 支持 - @路由、@list、@切换 #1

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88 changes: 75 additions & 13 deletions bin/cli.mjs
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,43 +2,105 @@

import pc from "picocolors";

const url = process.argv[2];
// 解析命令行参数
const args = process.argv.slice(2);
const agents = new Map();
let defaultAgent = null;

if (!url || url === "--help" || url === "-h") {
if (args.length === 0 || args[0] === "--help" || args[0] === "-h") {
console.log(`
${pc.cyan("🌉 wechat-to-anything")}

${pc.dim("一条命令，把微信变成任何 AI Agent 的入口")}

${pc.bold("用法:")}
${pc.green("单 Agent:")}
npx wechat-to-anything ${pc.green("<agent-url>")}

${pc.green("多 Agent:")}
npx wechat-to-anything ${pc.green("--agent codex=http://localhost:3001/v1 --agent gemini=http://localhost:3002/v1 --default codex")}

${pc.bold("参数:")}
--agent ${pc.dim("name=url")} 注册一个 Agent（可多次使用）
--default ${pc.dim("name")} 设置默认 Agent

${pc.bold("示例:")}
npx wechat-to-anything http://localhost:3000/v1
npx wechat-to-anything https://my-agent.example.com/v1
npx wechat-to-anything --agent codex=http://localhost:3001/v1 --agent gemini=http://localhost:3002/v1

Agent 需要暴露一个 OpenAI 兼容的 HTTP 接口 (POST /v1/chat/completions)。
参考 examples/claude-code/ 目录的示例。
${pc.bold("微信消息路由:")}
发 ${pc.green("@codex 写个排序")} → 路由到 Codex Agent
发 ${pc.green("@gemini 审查代码")} → 路由到 Gemini Agent
发 ${pc.green("@list")} → 查看可用 Agent 列表
发 ${pc.green("@切换 gemini")} → 切换默认 Agent

${pc.dim("Docs: https://github.com/kellyvv/wechat-to-anything")}
`);
process.exit(url ? 0 : 1);
process.exit(args.length > 0 ? 0 : 1);
}

// 解析参数
let i = 0;
while (i < args.length) {
if (args[i] === "--agent" && args[i + 1]) {
const [name, ...urlParts] = args[i + 1].split("=");
const url = urlParts.join("=");
if (!name || !url) {
console.error(pc.red(`无效的 --agent 参数: ${args[i + 1]}，格式: name=url`));
process.exit(1);
}
try { new URL(url); } catch {
console.error(pc.red(`无效的 Agent URL: ${url}`));
process.exit(1);
}
agents.set(name.toLowerCase(), url);
i += 2;
} else if (args[i] === "--default" && args[i + 1]) {
defaultAgent = args[i + 1].toLowerCase();
i += 2;
} else if (!args[i].startsWith("--")) {
// 向后兼容：裸 URL 参数当作单 Agent
try { new URL(args[i]); } catch {
console.error(pc.red(`无效的 URL: ${args[i]}`));
process.exit(1);
}
agents.set("default", args[i]);
defaultAgent = "default";
i++;
} else {
console.error(pc.red(`未知参数: ${args[i]}`));
process.exit(1);
}
}

if (agents.size === 0) {
console.error(pc.red("至少需要一个 Agent，用 --agent name=url 或直接传 URL"));
process.exit(1);
}

// 验证 URL 格式
try {
new URL(url);
} catch {
console.error(pc.red(`无效的 URL: ${url}`));
// 默认用第一个注册的 Agent
if (!defaultAgent) {
defaultAgent = agents.keys().next().value;
}

if (!agents.has(defaultAgent)) {
console.error(pc.red(`默认 Agent "${defaultAgent}" 未注册`));
process.exit(1);
}

console.log();
console.log(pc.cyan("🌉 wechat-to-anything"));
console.log(pc.dim(` Agent: ${url}`));
if (agents.size === 1 && agents.has("default")) {
console.log(pc.dim(` Agent: ${agents.get("default")}`));
} else {
for (const [name, url] of agents) {
const isDefault = name === defaultAgent;
console.log(pc.dim(` ${isDefault ? "★" : " "} ${name}: ${url}`));
}
}
console.log();

import("../cli/bridge.mjs").then((mod) => mod.start(url)).catch((err) => {
import("../cli/bridge.mjs").then((mod) => mod.start(agents, defaultAgent)).catch((err) => {
console.error(pc.red(err.message));
process.exit(1);
});
93 changes: 76 additions & 17 deletions cli/bridge.mjs
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,16 @@ import { downloadAndDecrypt, downloadMediaToFile } from "./cdn.mjs";
* 启动桥：WeChat ilinkai API ←→ Agent HTTP
* 支持文本 + 图片 + 语音 + 文件，双向
*/
export async function start(agentUrl) {
export async function start(agents, defaultAgent) {
// 兼容旧的单 URL 调用
if (typeof agents === "string") {
const url = agents;
agents = new Map([["default", url]]);
defaultAgent = "default";
}

const multiMode = agents.size > 1 || !agents.has("default");

// 1. 读取或获取 WeChat 登录凭证
let creds = loadCredentials();
if (!creds) {
Expand All @@ -37,19 +46,29 @@ export async function start(agentUrl) {
}
console.log(pc.green(`✅ 微信已登录`));

// 2. 检查 Agent 是否可达
console.log(pc.dim(`🔍 检查 Agent: ${agentUrl}`));
try {
await fetch(agentUrl, { signal: AbortSignal.timeout(5000) });
console.log(pc.green("✅ Agent 可达"));
} catch {
console.error(pc.red(`❌ 无法连接 Agent: ${agentUrl}`));
process.exit(1);
// 2. 检查所有 Agent 是否可达
for (const [name, url] of agents) {
console.log(pc.dim(`🔍 检查 Agent ${name}: ${url}`));
try {
await fetch(url, { signal: AbortSignal.timeout(5000) });
console.log(pc.green(`✅ ${name} 可达`));
} catch {
console.error(pc.red(`❌ 无法连接 ${name}: ${url}`));
process.exit(1);
}
}

// 3. 启动消息循环
console.log(pc.green("🚀 桥已启动（支持文本/图片/语音/文件）"));
console.log(pc.dim(" 微信消息 → Agent → 微信回复"));
if (multiMode) {
console.log(pc.dim(` 已注册 ${agents.size} 个 Agent，默认: ${defaultAgent}`));
console.log(pc.dim(` 发 @list 查看，@切换 <name> 切换默认`));
} else {
console.log(pc.dim(" 微信消息 → Agent → 微信回复"));
}

// per-user 默认 Agent
const userDefaults = new Map();
console.log();

let getUpdatesBuf = "";
Expand Down Expand Up @@ -96,6 +115,29 @@ export async function start(agentUrl) {
continue; // 不发给 Agent，等文字

} else if (text) {
// === 管理命令 ===
if (multiMode && text.trim() === "@list") {
const lines = [`📋 已注册 ${agents.size} 个 Agent:`];
const userDefault = userDefaults.get(from) || defaultAgent;
for (const [name, url] of agents) {
lines.push(`${name === userDefault ? " ★" : " ·"} ${name} → ${url}`);
}
lines.push(`\n当前默认: ${userDefault}`);
lines.push(`发 @切换 <name> 切换默认`);
await sendMessage(creds.token, from, lines.join("\n"), contextToken);
continue;
}
if (multiMode && text.trim().startsWith("@切换")) {
const target = text.trim().replace(/^@切换\s*/, "").toLowerCase();
if (agents.has(target)) {
userDefaults.set(from, target);
await sendMessage(creds.token, from, `✅ 默认 Agent 已切换为 ${target}`, contextToken);
} else {
await sendMessage(creds.token, from, `❌ Agent "${target}" 不存在，发 @list 查看可用列表`, contextToken);
}
continue;
}

// 文字消息：检查是否有缓存的图片
const pending = pendingImages.get(from);
if (pending && (Date.now() - pending.timestamp) < IMAGE_BUFFER_TTL) {
Expand Down Expand Up @@ -216,31 +258,48 @@ export async function start(agentUrl) {
continue;
}

// 解析 @agentName 路由
let targetAgent = userDefaults.get(from) || defaultAgent;
let routedText = text;
if (multiMode && text) {
const atMatch = text.match(/^@(\S+)\s+(.*)$/s);
if (atMatch && agents.has(atMatch[1].toLowerCase())) {
targetAgent = atMatch[1].toLowerCase();
routedText = atMatch[2];
// 更新 agentMessages 中的文本
if (agentMessages.length === 1 && typeof agentMessages[0].content === "string") {
agentMessages[0].content = routedText;
}
}
}
const agentUrl = agents.get(targetAgent);

// 调用 Agent
try {
const reply = await callAgent(agentUrl, agentMessages);
// 检查回复是否包含图片 URL（markdown 格式）
const imageMatch = reply.match(/!\[.*?\]\((https?:\/\/[^\s)]+)\)/);
const agentTag = multiMode ? `[${targetAgent}] ` : "";
if (imageMatch) {
// Agent 回复了图片 URL → 直接发到微信
const imageUrl = imageMatch[1];
const textPart = reply.replace(/!\[.*?\]\(https?:\/\/[^\s)]+\)/g, "").trim();
console.log(pc.green(`→ [Agent] [图片] ${imageUrl.slice(0, 60)}`));
console.log(pc.green(`→ [${targetAgent}] [图片] ${imageUrl.slice(0, 60)}`));
try {
if (textPart) await sendMessage(creds.token, from, textPart, contextToken);
if (textPart) await sendMessage(creds.token, from, agentTag + textPart, contextToken);
await sendImageByUrl(creds.token, from, contextToken, imageUrl);
} catch (err) {
console.error(pc.red(` 图片发送失败: ${err.message}`));
await sendMessage(creds.token, from, reply, contextToken);
await sendMessage(creds.token, from, agentTag + reply, contextToken);
}
} else {
// 纯文本回复
console.log(pc.green(`→ [Agent] ${reply.slice(0, 80)}${reply.length > 80 ? "..." : ""}`));
await sendMessage(creds.token, from, reply, contextToken);
console.log(pc.green(`→ [${targetAgent}] ${reply.slice(0, 80)}${reply.length > 80 ? "..." : ""}`));
await sendMessage(creds.token, from, agentTag + reply, contextToken);
}
} catch (err) {
console.error(pc.red(` Agent 错误: ${err.message}`));
await sendMessage(creds.token, from, `⚠️ Agent 错误: ${err.message}`, contextToken);
console.error(pc.red(` ${targetAgent} 错误: ${err.message}`));
await sendMessage(creds.token, from, `⚠️ ${targetAgent} 错误: ${err.message}`, contextToken);
}
}
} catch (err) {
Expand Down