feat(skills): add visa-doc-translate skill

Add automated visa document translation skill that:
- Supports multiple OCR methods (macOS Vision, EasyOCR, Tesseract)
- Translates documents to professional English
- Generates bilingual PDFs (original + translation)
- Handles various document types (bank statements, employment certificates, etc.)
- Perfect for visa applications to Australia, USA, Canada, UK, EU

Tested with retirement certificates and other official documents.

skills/visa-doc-translate/README.md

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+# Visa Document Translator
+
+Automatically translate visa application documents from images to professional English PDFs.
+
+## Features
+
+- 🔄 **Automatic OCR**: Tries multiple OCR methods (macOS Vision, EasyOCR, Tesseract)
+- 📄 **Bilingual PDF**: Original image + professional English translation
+- 🌍 **Multi-language**: Supports Chinese, and other languages
+- 📋 **Professional Format**: Suitable for official visa applications
+- 🚀 **Fully Automated**: No manual intervention required
+
+## Supported Documents
+
+- Bank deposit certificates (存款证明)
+- Employment certificates (在职证明)
+- Retirement certificates (退休证明)
+- Income certificates (收入证明)
+- Property certificates (房产证明)
+- Business licenses (营业执照)
+- ID cards and passports
+
+## Usage
+
+```bash
+/visa-doc-translate <image-file>
+```
+
+### Examples
+
+```bash
+/visa-doc-translate RetirementCertificate.PNG
+/visa-doc-translate BankStatement.HEIC
+/visa-doc-translate EmploymentLetter.jpg
+```
+
+## Output
+
+Creates `<filename>_Translated.pdf` with:
+- **Page 1**: Original document image (centered, A4 size)
+- **Page 2**: Professional English translation
+
+## Requirements
+
+### Python Libraries
+```bash
+pip install pillow reportlab
+```
+
+### OCR (one of the following)
+
+**macOS (recommended)**:
+```bash
+pip install pyobjc-framework-Vision pyobjc-framework-Quartz
+```
+
+**Cross-platform**:
+```bash
+pip install easyocr
+```
+
+**Tesseract**:
+```bash
+brew install tesseract tesseract-lang
+pip install pytesseract
+```
+
+## How It Works
+
+1. Converts HEIC to PNG if needed
+2. Checks and applies EXIF rotation
+3. Extracts text using available OCR method
+4. Translates to professional English
+5. Generates bilingual PDF
+
+## Perfect For
+
+- 🇦🇺 Australia visa applications
+- 🇺🇸 USA visa applications
+- 🇨🇦 Canada visa applications
+- 🇬🇧 UK visa applications
+- 🇪🇺 EU visa applications
+
+## License
+
+MIT

skills/visa-doc-translate/SKILL.md

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+---
+name: visa-doc-translate
+description: Translate visa application documents (images) to English and create a bilingual PDF with original and translation
+---
+
+You are helping translate visa application documents for visa applications.
+
+## Instructions
+
+When the user provides an image file path, AUTOMATICALLY execute the following steps WITHOUT asking for confirmation:
+
+1. **Image Conversion**: If the file is HEIC, convert it to PNG using `sips -s format png <input> --out <output>`
+
+2. **Image Rotation**:
+   - Check EXIF orientation data
+   - Automatically rotate the image based on EXIF data
+   - If EXIF orientation is 6, rotate 90 degrees counterclockwise
+   - Apply additional rotation as needed (test 180 degrees if document appears upside down)
+
+3. **OCR Text Extraction**:
+   - Try multiple OCR methods automatically:
+     - macOS Vision framework (preferred for macOS)
+     - EasyOCR (cross-platform, no tesseract required)
+     - Tesseract OCR (if available)
+   - Extract all text information from the document
+   - Identify document type (deposit certificate, employment certificate, retirement certificate, etc.)
+
+4. **Translation**:
+   - Translate all text content to English professionally
+   - Maintain the original document structure and format
+   - Use professional terminology appropriate for visa applications
+   - Keep proper names in original language with English in parentheses
+   - For Chinese names, use pinyin format (e.g., WU Zhengye)
+   - Preserve all numbers, dates, and amounts accurately
+
+5. **PDF Generation**:
+   - Create a Python script using PIL and reportlab libraries
+   - Page 1: Display the rotated original image, centered and scaled to fit A4 page
+   - Page 2: Display the English translation with proper formatting:
+     - Title centered and bold
+     - Content left-aligned with appropriate spacing
+     - Professional layout suitable for official documents
+   - Add a note at the bottom: "This is a certified English translation of the original document"
+   - Execute the script to generate the PDF
+
+6. **Output**: Create a PDF file named `<original_filename>_Translated.pdf` in the same directory
+
+## Supported Documents
+
+- Bank deposit certificates (存款证明)
+- Income certificates (收入证明)
+- Employment certificates (在职证明)
+- Retirement certificates (退休证明)
+- Property certificates (房产证明)
+- Business licenses (营业执照)
+- ID cards and passports
+- Other official documents
+
+## Technical Implementation
+
+### OCR Methods (tried in order)
+
+1. **macOS Vision Framework** (macOS only):
+   ```python
+   import Vision
+   from Foundation import NSURL
+   ```
+
+2. **EasyOCR** (cross-platform):
+   ```bash
+   pip install easyocr
+   ```
+
+3. **Tesseract OCR** (if available):
+   ```bash
+   brew install tesseract tesseract-lang
+   pip install pytesseract
+   ```
+
+### Required Python Libraries
+
+```bash
+pip install pillow reportlab
+```
+
+For macOS Vision framework:
+```bash
+pip install pyobjc-framework-Vision pyobjc-framework-Quartz
+```
+
+## Important Guidelines
+
+- DO NOT ask for user confirmation at each step
+- Automatically determine the best rotation angle
+- Try multiple OCR methods if one fails
+- Ensure all numbers, dates, and amounts are accurately translated
+- Use clean, professional formatting
+- Complete the entire process and report the final PDF location
+
+## Example Usage
+
+```bash
+/visa-doc-translate RetirementCertificate.PNG
+/visa-doc-translate BankStatement.HEIC
+/visa-doc-translate EmploymentLetter.jpg
+```
+
+## Output Example
+
+The skill will:
+1. Extract text using available OCR method
+2. Translate to professional English
+3. Generate `<filename>_Translated.pdf` with:
+   - Page 1: Original document image
+   - Page 2: Professional English translation
+
+Perfect for visa applications to Australia, USA, Canada, UK, and other countries requiring translated documents.