feat: skills i18n 改造(schemaVersion 1.1,零向后兼容) (#1)

* feat: skills i18n 改造 — schemaVersion 1.1,零向后兼容

把 21 个 skills + 1 个 agent + manifest/categories 全量迁移到 schemaVersion 1.1
的 i18n 结构,配套 CI AI 翻译流水线(GitHub Models)与本地工具链。

## 关键变更

### 数据结构(破坏性,schemaVersion 1.0 → 1.1)
- SKILL.md: 顶层 name 改为 ASCII slug(== 目录名,符合 agentskills.io 规范);
  中文显示名/short_desc/description 全部迁入 metadata.i18n.<locale>
- agents/<id>/agent.json: shortDesc/fullDesc/tags/persona.{role,traits} 迁入
  i18n.<locale>;changelog[].changes 改为 { <locale>: string[] } 对象
- categories.json: 每个分类的 label/description 迁入 i18n.<locale>,顶层只剩
  color/icon
- manifest.json: 加 supportedLocales / defaultLocale;顶层 description 迁入
  i18n.<locale>

### Body 文件结构
- 根 SKILL.md = frontmatter + default_locale (en-US) body
- SKILL.<locale>.md = 各 locale 的 markdown body(首行 <!-- locale: xx --> 自校验)

### 工具链(scripts/i18n/)
- glossary.json: zh→en 术语表 + do_not_translate 白名单
- schema/skill-frontmatter.schema.json: i18n frontmatter JSON Schema
- validate-i18n.py: 8 条校验规则(name 合规 / locale 完整性 / hash 一致性等)
- translate.py: GitHub Models / Anthropic 双 backend,sha256 增量翻译
- migrate.py: 一次性迁移脚本(旧格式 → i18n 结构)

### CI(.github/workflows/)
- i18n-validate.yml: PR 触发跑 validate + translate --check
- i18n-translate.yml: PR 触发用 GitHub Models(默认 openai/gpt-5-mini)翻译缺失
  locale,自动追加 commit;可切到 ANTHROPIC_API_KEY 走 Claude

### 文档
- docs/I18N.md: 作者贡献指南(schema 说明 / 提交流程 / 常见问题)
- README.md: 加多语言段落

## 验证

- uv run scripts/i18n/validate-i18n.py: OK,49 文件 0 错误
- uv run scripts/i18n/translate.py --check: 0 stale locale
- 21 skills 标题数 zh-CN == en-US 严格对齐(最大 66=66)
- skills-ref 规范校验:全部通过(顶层 name ASCII slug + description 单字段)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(i18n): 修复 PR #1 review 反馈的 6 项问题

- schema: translated_by 正则放宽为 ^(human|ai:[A-Za-z0-9._:/-]+)$,接受
  'ai:github:openai/gpt-5-mini' 这类 backend:model 形式(CI 翻译输出格式)
- README + docs/I18N.md: 修正"CI 用 Claude API"误导描述,正确说明默认是
  GitHub Models(openai/gpt-5-mini)+ GITHUB_TOKEN,可选切到 Anthropic
- skills/minimax-tts/SKILL.md & SKILL.zh-CN.md: 删除多余的 ``` 闭合,避免
  Markdown 后续渲染错乱
- skills/docx/SKILL.md: 翻译时丢失的 • Unicode escape 示例已恢复,
  与 zh-CN 版本对齐

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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<!-- locale: zh-CN -->
# pptx 技能
## L0一句话摘要
创建、编辑和处理 PowerPoint 演示文稿(.pptx支持模板编辑和从零创建。
## L1概述与使用场景
### 能力描述
pptx 是一个**流程型技能Procedural Skill**,提供 PowerPoint 演示文稿的完整处理能力。支持通过 pptxgenjsNode.js从零创建演示文稿通过解包 XML 编辑现有模板,以及内容提取和视觉质检。
### 使用场景
- 用户需要创建新的演示文稿汇报材料、Pitch Deck 等)
- 用户需要编辑或修改现有 .pptx 文件
- 用户需要从 .pptx 文件中提取文本内容
- 用户需要将演示文稿转换为 PDF 或图片
## L2详细规范
## Prerequisites
### Python 3必需 — 读取和编辑现有 PPTX 时需要)
在执行任何 Python 脚本之前,先检测 Python 是否可用:
```bash
python3 --version 2>/dev/null || python --version 2>/dev/null
```
如果命令失败Python 不可用),**必须停止并告知用户安装 Python 3**
- **macOS**: `brew install python3` 或从 https://www.python.org/downloads/ 下载
- **Windows**: `winget install Python.Python.3` 或从 python.org 下载(安装时勾选 "Add Python to PATH"
- **Linux (Debian/Ubuntu)**: `sudo apt install python3 python3-pip`
- **Linux (Fedora/RHEL)**: `sudo dnf install python3 python3-pip`
注意:从零创建 PPTX 使用 pptxgenjsNode.js不需要 Python。
如需更详细的环境配置帮助Python 相关问题加载 `python-runtime` 技能;
Node.jspptxgenjs相关问题加载 `nodejs-runtime` 技能;其他(系统工具 /
容器 / WSL加载 `dev-environment-setup` 技能。
### Python 包依赖
本技能的 Python 操作依赖以下包(按需检测):
- `markitdown[pptx]` — PPTX 内容读取
- `Pillow` — 缩略图生成
检测方法:
```bash
python3 -c "import markitdown; import PIL" 2>/dev/null || echo "MISSING"
```
缺失时告知用户安装:`pip install "markitdown[pptx]" Pillow`
## Output Rule
When you create or modify a .pptx file, you **MUST** tell the user the absolute path of the output file in your response. Example: "文件已保存到:`/path/to/output.pptx`"
## Quick Reference
| Task | Guide |
|------|-------|
| Read/analyze content | `python -m markitdown presentation.pptx` |
| Edit or create from template | Read [editing.md](editing.md) |
| Create from scratch | Read [pptxgenjs.md](pptxgenjs.md) |
---
## Reading Content
```bash
# Text extraction
python -m markitdown presentation.pptx
# Visual overview
python scripts/thumbnail.py presentation.pptx
# Raw XML
python scripts/office/unpack.py presentation.pptx unpacked/
```
---
## Editing Workflow
**Read [editing.md](editing.md) for full details.**
1. Analyze template with `thumbnail.py`
2. Unpack → manipulate slides → edit content → clean → pack
---
## Creating from Scratch
**Read [pptxgenjs.md](pptxgenjs.md) for full details.**
Use when no template or reference presentation is available.
---
## Design Ideas
**Don't create boring slides.** Plain bullets on a white background won't impress anyone. Consider ideas from this list for each slide.
### Before Starting
- **Pick a bold, content-informed color palette**: The palette should feel designed for THIS topic. If swapping your colors into a completely different presentation would still "work," you haven't made specific enough choices.
- **Dominance over equality**: One color should dominate (60-70% visual weight), with 1-2 supporting tones and one sharp accent. Never give all colors equal weight.
- **Dark/light contrast**: Dark backgrounds for title + conclusion slides, light for content ("sandwich" structure). Or commit to dark throughout for a premium feel.
- **Commit to a visual motif**: Pick ONE distinctive element and repeat it — rounded image frames, icons in colored circles, thick single-side borders. Carry it across every slide.
### Color Palettes
Choose colors that match your topic — don't default to generic blue. Use these palettes as inspiration:
| Theme | Primary | Secondary | Accent |
|-------|---------|-----------|--------|
| **Midnight Executive** | `1E2761` (navy) | `CADCFC` (ice blue) | `FFFFFF` (white) |
| **Forest & Moss** | `2C5F2D` (forest) | `97BC62` (moss) | `F5F5F5` (cream) |
| **Coral Energy** | `F96167` (coral) | `F9E795` (gold) | `2F3C7E` (navy) |
| **Warm Terracotta** | `B85042` (terracotta) | `E7E8D1` (sand) | `A7BEAE` (sage) |
| **Ocean Gradient** | `065A82` (deep blue) | `1C7293` (teal) | `21295C` (midnight) |
| **Charcoal Minimal** | `36454F` (charcoal) | `F2F2F2` (off-white) | `212121` (black) |
| **Teal Trust** | `028090` (teal) | `00A896` (seafoam) | `02C39A` (mint) |
| **Berry & Cream** | `6D2E46` (berry) | `A26769` (dusty rose) | `ECE2D0` (cream) |
| **Sage Calm** | `84B59F` (sage) | `69A297` (eucalyptus) | `50808E` (slate) |
| **Cherry Bold** | `990011` (cherry) | `FCF6F5` (off-white) | `2F3C7E` (navy) |
### For Each Slide
**Every slide needs a visual element** — image, chart, icon, or shape. Text-only slides are forgettable.
**Layout options:**
- Two-column (text left, illustration on right)
- Icon + text rows (icon in colored circle, bold header, description below)
- 2x2 or 2x3 grid (image on one side, grid of content blocks on other)
- Half-bleed image (full left or right side) with content overlay
**Data display:**
- Large stat callouts (big numbers 60-72pt with small labels below)
- Comparison columns (before/after, pros/cons, side-by-side options)
- Timeline or process flow (numbered steps, arrows)
**Visual polish:**
- Icons in small colored circles next to section headers
- Italic accent text for key stats or taglines
### Typography
**Choose an interesting font pairing** — don't default to Arial. Pick a header font with personality and pair it with a clean body font.
| Header Font | Body Font |
|-------------|-----------|
| Georgia | Calibri |
| Arial Black | Arial |
| Calibri | Calibri Light |
| Cambria | Calibri |
| Trebuchet MS | Calibri |
| Impact | Arial |
| Palatino | Garamond |
| Consolas | Calibri |
| Element | Size |
|---------|------|
| Slide title | 36-44pt bold |
| Section header | 20-24pt bold |
| Body text | 14-16pt |
| Captions | 10-12pt muted |
### Spacing
- 0.5" minimum margins
- 0.3-0.5" between content blocks
- Leave breathing room—don't fill every inch
### Avoid (Common Mistakes)
- **Don't repeat the same layout** — vary columns, cards, and callouts across slides
- **Don't center body text** — left-align paragraphs and lists; center only titles
- **Don't skimp on size contrast** — titles need 36pt+ to stand out from 14-16pt body
- **Don't default to blue** — pick colors that reflect the specific topic
- **Don't mix spacing randomly** — choose 0.3" or 0.5" gaps and use consistently
- **Don't style one slide and leave the rest plain** — commit fully or keep it simple throughout
- **Don't create text-only slides** — add images, icons, charts, or visual elements; avoid plain title + bullets
- **Don't forget text box padding** — when aligning lines or shapes with text edges, set `margin: 0` on the text box or offset the shape to account for padding
- **Don't use low-contrast elements** — icons AND text need strong contrast against the background; avoid light text on light backgrounds or dark text on dark backgrounds
- **NEVER use accent lines under titles** — these are a hallmark of AI-generated slides; use whitespace or background color instead
---
## QA (Required)
**Assume there are problems. Your job is to find them.**
Your first render is almost never correct. Approach QA as a bug hunt, not a confirmation step. If you found zero issues on first inspection, you weren't looking hard enough.
### Content QA
```bash
python -m markitdown output.pptx
```
Check for missing content, typos, wrong order.
**When using templates, check for leftover placeholder text:**
```bash
python -m markitdown output.pptx | grep -iE "xxxx|lorem|ipsum|this.*(page|slide).*layout"
```
If grep returns results, fix them before declaring success.
### Visual QA
**⚠️ USE DELEGATE TOOL** — even for 2-3 slides. You've been staring at the code and will see what you expect, not what's there. Delegated agents have fresh eyes.
Convert slides to images (see [Converting to Images](#converting-to-images)), then use this prompt:
```
Visually inspect these slides. Assume there are issues — find them.
Look for:
- Overlapping elements (text through shapes, lines through words, stacked elements)
- Text overflow or cut off at edges/box boundaries
- Decorative lines positioned for single-line text but title wrapped to two lines
- Source citations or footers colliding with content above
- Elements too close (< 0.3" gaps) or cards/sections nearly touching
- Uneven gaps (large empty area in one place, cramped in another)
- Insufficient margin from slide edges (< 0.5")
- Columns or similar elements not aligned consistently
- Low-contrast text (e.g., light gray text on cream-colored background)
- Low-contrast icons (e.g., dark icons on dark backgrounds without a contrasting circle)
- Text boxes too narrow causing excessive wrapping
- Leftover placeholder content
For each slide, list issues or areas of concern, even if minor.
Read and analyze these images:
1. /path/to/slide-01.jpg (Expected: [brief description])
2. /path/to/slide-02.jpg (Expected: [brief description])
Report ALL issues found, including minor ones.
```
### Verification Loop
1. Generate slides → Convert to images → Inspect
2. **List issues found** (if none found, look again more critically)
3. Fix issues
4. **Re-verify affected slides** — one fix often creates another problem
5. Repeat until a full pass reveals no new issues
**Do not declare success until you've completed at least one fix-and-verify cycle.**
---
## Converting to Images
Convert presentations to individual slide images for visual inspection:
```bash
python scripts/office/soffice.py --headless --convert-to pdf output.pptx
pdftoppm -jpeg -r 150 output.pdf slide
```
This creates `slide-01.jpg`, `slide-02.jpg`, etc.
To re-render specific slides after fixes:
```bash
pdftoppm -jpeg -r 150 -f N -l N output.pdf slide-fixed
```
---
## Dependencies
- `pip install "markitdown[pptx]"` - text extraction
- `pip install Pillow` - thumbnail grids
- `npm install -g pptxgenjs` - creating from scratch
- LibreOffice (`soffice`) - PDF conversion (auto-configured for sandboxed environments via `scripts/office/soffice.py`)
- Poppler (`pdftoppm`) - PDF to images