Add minimax-music-playlist-cn: Chinese-optimized music playlist skill

skills/minimax-music-playlist-cn/README.md

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+# MiniMax Music Playlist CN
+
+A Chinese-optimized version of the official `minimax-music-playlist` skill, designed for users who primarily use Chinese music streaming platforms.
+
+## Features
+
+- **Online-first**: Supports QQ Music, NetEase Cloud Music, and Qishui Music share links
+- **Cross-platform**: Works on Windows, Linux, macOS, and Docker
+- **Zero dependencies**: Pure Python stdlib (urllib, json, re) — no pip install required
+- **Smart genre analysis**: Uses the same `artist_genre_map.json` with 23,000+ artists including 1,400+ Chinese artists
+
+## Differences from Official v2.0
+
+| Aspect | Official v2.0 | CN Version |
+|--------|---------------|------------|
+| Data sources | Apple Music, Spotify, NetEase (local files) | QQ Music, NetEase, Qishui (online links) |
+| Platform | macOS-focused | Cross-platform |
+| Dependencies | Python stdlib | Python stdlib (urllib) |
+| Generation | Parallel (`&` + `wait`) | Serial (more reliable) |
+| Cover art | `mmx image generate` | Removed (simplified) |
+| playlist.json | Save metadata | Removed (simplified) |
+
+## Usage
+
+Users share playlist links from Chinese music platforms:
+
+- **QQ Music**: `https://y.qq.com/n3/other/pages/details/playlist.html?id=XXXXX`
+- **NetEase**: `https://music.163.com/playlist?id=XXXXX`
+- **Qishui**: `https://qishui.douyin.com/s/XXXXX/`
+
+The skill parses the playlist, analyzes the user's taste, and generates personalized AI music using `mmx music generate`.
+
+## Files
+
+```
+minimax-music-playlist-cn/
+├── SKILL.md                 # Main skill documentation
+├── playlist_parser.py       # Python parser (pure stdlib)
+├── data/
+│   └── artist_genre_map.json  # 23,000+ artist genre mappings
+└── README.md                # This file
+```
+
+## API Endpoints
+
+| Platform | Endpoint | Required Header |
+|----------|----------|-----------------|
+| QQ Music | `c.y.qq.com/qzone/fcg-bin/fcg_ucc_getcdinfo_byids_cp.fcg` | `Referer: https://y.qq.com/` |
+| NetEase | `music.163.com/api/v3/playlist/detail` | `Referer: https://music.163.com/` |
+| Qishui | Browser rendering + JS extraction | Requires `browser_navigate` tool |
+
+## Notes
+
+- Qishui Music requires browser tool support (no public API)
+- All `mmx` prompts should be in English for best quality
+- Lyrics language follows genre (not user's UI language)