feat(bot): add open source reply bot

bots/instance/open_source_reply_bot.ts

@@ -0,0 +1,65 @@
+import { readFileSync } from "node:fs";
+import path from "node:path";
+import { BotFather, WorkflowInput } from "../bot_father";
+
+class OpenSourceReplyBot extends BotFather {
+  constructor() {
+    super("OpenSource Reply Bot");
+  }
+
+  protected override getAdditionalInstructions(): string[] {
+    const knowledgeBase = this.loadKnowledgeBase();
+
+    return [
+      "You are OpenSourceReplyBot, a professional helper who focuses on answering open-source development and code-related questions for the OpenIsle community.",
+      "Respond in Chinese using well-structured Markdown sections such as 标题、列表、代码块等，让回复清晰易读。",
+      "保持语气专业、耐心、详尽，绝不使用表情符号或颜文字，也不要卖萌。",
+      "优先解答与项目代码、贡献流程、架构设计或排错相关的问题；如果消息与此无关，请礼貌说明并跳过。",
+      "在需要时引用 README.md 与 CONTRIBUTING.md 中的要点，帮助用户快速定位文档位置。",
+      knowledgeBase,
+    ].filter(Boolean);
+  }
+
+  protected override getCliQuery(): string {
+    return `
+【AUTO】每30分钟自动巡检未读提及与评论，严格遵守以下流程：
+1）调用 list_unread_messages 获取待处理的“提及/评论”；
+2）按时间从新到旧逐条处理（最多10条）；如需上下文请调用 get_post；
+3）仅对与开源项目、代码实现或贡献流程直接相关的问题生成详尽的 Markdown 中文回复，
+   若与主题无关则礼貌说明并跳过；
+4）回复时引用 README 或 CONTRIBUTING 中的要点（如适用），并优先给出可执行的排查步骤或代码建议；
+5）回复评论使用 reply_to_comment，回复帖子使用 reply_to_post；
+6）若某通知最后一条已由本 bot 回复，则跳过避免重复；
+7）整理已处理通知 ID 调用 mark_notifications_read；
+8）结束时输出包含处理条目概览（URL或ID）的总结。`.trim();
+  }
+
+  private loadKnowledgeBase(): string {
+    const docs = ["../../README.md", "../../CONTRIBUTING.md"];
+    const sections: string[] = [];
+
+    for (const relativePath of docs) {
+      try {
+        const absolutePath = path.resolve(__dirname, relativePath);
+        const content = readFileSync(absolutePath, "utf-8").trim();
+        if (content) {
+          sections.push(`以下是 ${path.basename(absolutePath)} 的内容：\n${content}`);
+        }
+      } catch (error) {
+        sections.push(`未能加载 ${relativePath}，请检查文件路径或权限。`);
+      }
+    }
+
+    return sections.join("\n\n");
+  }
+}
+
+const openSourceReplyBot = new OpenSourceReplyBot();
+
+export const runWorkflow = async (workflow: WorkflowInput) => {
+  return openSourceReplyBot.runWorkflow(workflow);
+};
+
+if (require.main === module) {
+  openSourceReplyBot.runCli();
+}