V2 Tauri integration

[ConnorYoh]

Description of Changes

Please provide a summary of the changes, including:

Add PDF File Association Support for Tauri App

🎯 Features Added

• PDF file association configuration in Tauri
• Command line argument detection for opened files
• Automatic file loading when app is launched via "Open with"
• Cross-platform support (Windows/macOS)

🔧 Technical Changes

• Added fileAssociations in tauri.conf.json for PDF files
• New get_opened_file Tauri command to detect file arguments
• fileOpenService with Tauri fs plugin integration
• useOpenedFile hook for React integration
• Improved backend health logging during startup (reduced noise)

🧪 Testing

See

• https://v2.tauri.app/start/prerequisites/

• DesktopApplicationDevelopmentGuide.md

  # Test file association during development:
  
  cd frontend
  npm install
  cargo tauri dev --no-watch -- -- "path/to/file.pdf"
  

For production testing:

1. Build: npm run tauri build
2. Install the built app
3. Right-click PDF → "Open with" → Stirling-PDF

🚀 User Experience

• Users can now double-click PDF files to open them directly in Stirling-PDF
• Files automatically load in the viewer when opened via file association
• Seamless integration with OS file handling

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Checklist

General

• [ ] I have read the Contribution Guidelines
• [ ] I have read the Stirling-PDF Developer Guide (if applicable)
• [ ] I have read the How to add new languages to Stirling-PDF (if applicable)
• [ ] I have performed a self-review of my own code
• [ ] My changes generate no new warnings

Documentation

• [ ] I have updated relevant docs on Stirling-PDF's doc repo (if functionality has heavily changed)
• [ ] I have read the section Add New Translation Tags (for new translation tags only)

UI Changes (if applicable)

• [ ] Screenshots or videos demonstrating the UI changes are attached (e.g., as comments or direct attachments in the PR)

Testing (if applicable)

• [ ] I have tested my changes locally. Refer to the Testing Guide for more details.

[stirlingbot[bot]]

✅ Frontend License Check Passed

All frontend licenses have been validated and no compatibility warnings were detected.

The frontend license report has been updated successfully.

[stirlingbot[bot]]

✅ Frontend License Check Passed

All frontend licenses have been validated and no compatibility warnings were detected.

The frontend license report has been updated successfully.