Baoyu Wechat Summary

WeChat Group Summary

群聊精华提取专家。把零散的微信群聊记录提炼成结构化、可读性强的简报，并维护跨次运行的群聊历史与群友画像。底层依赖外部 wx-cli 二进制（wx 命令），不打包脚本。

⚠️ Sandbox restriction wx-cli reads from ~/.wx-cli/ (config, cache, daemon socket) and from WeChat's data directory (~/Library/Containers/com.tencent.xinWeChat/ on macOS). Both paths are outside Claude Code's default sandbox. Every wx command in this skill needs to run with dangerouslyDisableSandbox: true from the start — don't waste a sandbox attempt first. The user can use /sandbox to view/edit restrictions.

References（按需加载）

本文件只保留工作流骨架；细节拆在 references/ 下，执行到对应步骤时再读，不要一开始全部读入：

User Input Tools

When this skill prompts the user, follow this tool-selection rule (priority order):

1. Prefer built-in user-input tools exposed by the current agent runtime — e.g., AskUserQuestion, request_user_input, clarify, ask_user, or any equivalent.
2. Fallback: if no such tool exists, emit a numbered plain-text message and ask the user to reply with the chosen number/answer for each question.
3. Batching: if the tool supports multiple questions per call, combine all applicable questions into a single call; if only single-question, ask them one at a time in priority order.

Concrete AskUserQuestion references below are examples — substitute the local equivalent in other runtimes.

Prerequisites

快速验证环境：wx --version 有输出且 wx sessions 返回数据即可继续。任何一步失败，或是首次在新环境运行 → 读 references/setup.md（完整环境检查、wx-cli 命令速查、排障手册），停在第一个失败项并给用户确切的修复命令。绝不自动安装、绝不替用户跑 `sudo`。

Preferences (EXTEND.md)

Check EXTEND.md in priority order — the first one found wins:

Supported keys

EXTEND.md is plain text with key: value or key=value lines, # for comments, case-insensitive keys.

A starter template lives at EXTEND.md.example.

First-Time Setup (BLOCKING)

If no EXTEND.md is found, do NOT silently proceed.

Step A — Try to auto-discover `self_wxid` and `self_display` first. Run (in order, stop at the first that succeeds):

# 1. If wx-cli exposes a whoami, use it
wx whoami --json 2>/dev/null

# 2. Otherwise, find self-sent messages in recent sessions
wx sessions --json --limit 20 2>/dev/null

For option 2, scan the sessions for any private/group thread the user has sent into and read one of their own from_wxid / from_nickname pairs. If you can confidently pre-fill both values, use them as defaults in the question below; otherwise leave the fields blank for the user to fill in.

Step B — Confirm with one `AskUserQuestion` call (batched), pre-filling whatever auto-discovery found:

• self_wxid (e.g., wxid_abc123) — fall-back hint: the user can find it with wx contacts --query "<own nickname>", or by inspecting any of their own sent messages in wx sessions --json
• self_display (e.g., 宝玉) — how they want their messages attributed
• default_version — pick one of normal / roast / both
• data_root — where digest folders live. Default: {project_root}/wechat. Enter a custom absolute path (e.g. ~/Documents/wechat-digests) or leave blank for default.
• Save location — pick one of project / XDG / home

Write EXTEND.md to the chosen path. If the user provided a non-default data_root, include it as an uncommented line; otherwise omit it (the default applies automatically). Confirm "Preferences saved to [path]. Edit it any time to change defaults.", then continue with the digest workflow.

Workflow

Step 1: Parse the user's request

Extract:

• Group name (or partial name for fuzzy matching)
• Time range — interpret flexibly:
• "最近 1 天" / "今天" / "last 24 hours" → 1 day
• "最近 3 天" → 3 days
• "最近 7 天" / "这周" → 7 days
• "最近 30 天" / "最近一个月" → 30 days
• "某天" (e.g. "3 月 5 号") → that specific date
• "某天到某天" (e.g. "3 月 1 号到 3 月 5 号") → date range
• "从上次开始" / "继续" / "接着上次" / "since last" → incremental mode: read history.json for this group, use last_digest.last_message_time as the start
• No time specified → incremental mode. If no history.json exists yet, fall back to default_time_range from EXTEND.md if set, else last 24 hours.
• Version(s) to generate:
• Start from default_version in EXTEND.md.
• User request overrides: keywords "毒舌"/"roast"/"挑衅"/"再来个毒的"/"sass" → force include_roast=true. Keywords "只要正经的"/"normal only"/"不要毒舌" → force include_normal=true, include_roast=false. "都来一份"/"两个版本都要"/"both" → both.
• At least one of include_normal/include_roast must end up true.

Convert relative ranges into absolute --since YYYY-MM-DD --until YYYY-MM-DD pairs using today's local date.

Step 2: Find the group + resolve folder path

wx contacts --query "<group_name>" --json

Filter for entries whose username ends in @chatroom. If multiple groups match, use AskUserQuestion to disambiguate. If none match, fall back to wx sessions --json and search there before asking the user.

Once resolved, compute the folder path:

{data_root}/{group_id}-{sanitized_group_name}/

where data_root is from EXTEND.md (default {project_root}/wechat).

Sanitize the group name — replace any of / \ : * ? " < > | NUL and control characters with _. Trim trailing dots and whitespace. Don't strip emoji or Chinese characters.

Group-rename detection: list existing folders under {data_root}/ and find any folder whose name starts with {group_id}-. If one exists but the suffix differs (group was renamed), rename the existing folder to the new {group_id}-{sanitized_new_name} form. If a target with the new name already exists (rare), keep both and prefer the existing one for this run.

Step 2.5: Look up the group owner（群主）

群主是谁必须有据可查，不能凭历史摘要、群友玩笑或印象推断（群主可能换届，历史摘要里的说法会过期）：

wx members "<group_name_or_id>" --json

• 检查输出中是否有 owner / role 字段标识群主；有则以此为准