ascii-motd-profile-banner

## When to use this skill
**CRITICAL TRIGGER RULE**
- Use this skill ONLY when the user explicitly mentions the exact skill name: `ascii-motd-profile-banner`.

**Trigger phrases include:**
- "ascii-motd-profile-banner"
- "use ascii-motd-profile-banner"
- "用 ascii-motd-profile-banner 生成 SSH 登录欢迎"
- "使用 ascii-motd-profile-banner 输出 MOTD（短版/长版）"

## Boundary
- Produce templates and placement guidance only; do not modify system files.
- Never include sensitive information (tokens, internal URLs, account details, personal data).
- Default output is ASCII-only; ANSI color is optional and must have a no-color fallback.

## How to use this skill
### Inputs
- title (required)
- messageBullets (1–5 bullet points, required)
- mode (short | long, default short)
- width (default 80)
- includeLinks (optional: Docs / Tickets / Repo)
- colorMode (none | ansi256, default none)
- quietHint (default true: recommend quiet output for non-interactive shells)

### Outputs (required)
- bannerShort (<= 12 lines)
- bannerLong (<= 30 lines)
- safetyNotes (>= 3 actionable security notes)
- toggleAdvice (interactive vs non-interactive display guidance)

### Inline Example (short mode)

```
================================================================================
  MyServer - Production
================================================================================
  * Disk usage: 42% (210GB / 500GB)
  * Last deploy: 2024-03-15 14:30 UTC
  * Docs: https://docs.example.com
--------------------------------------------------------------------------------
  WARNING: Do not store credentials in shell history
================================================================================
```

### Workflow

1. Define `title` and `messageBullets` (1-5 items)
2. Choose `mode` (short for <= 12 lines, long for <= 30 lines)
3. Generate `bannerShort` and `bannerLong` variants
4. Include `safetyNotes` (>= 3 actionable security reminders)
5. **Validate**: Confirm line count, width <= 80, no trailing spaces

## Examples
- `examples/ssh-short.md`
- `examples/ssh-long.md`

## Quality checklist
1. Short mode does not spam (<= 12 lines)
2. Copy/paste safe (no trailing spaces)
3. Security notes are clear, short, and actionable

## Keywords
**English:** ascii-motd-profile-banner, motd, ssh banner, profile, welcome message, security notice, terminal
**中文:** ascii-motd-profile-banner, MOTD, SSH Banner, 登录欢迎, Profile, 安全提示, 终端