App Package

App Package Skill

Packages the Transcoder Windows application for distribution.

When to Use

Call this skill when:

• User wants to create a release build
• User wants to package the app for distribution
• User invokes /app-package command

Packaging Process

Phase 1: Pre-Build Documentation

1. Summarize code changes

   • Review recent commits and changes since last release
   • Present summary to user for confirmation

2. Gather release info (single source of truth)

   • Use src-tauri/Cargo.toml as the only place to set the version
   • Confirm release summary before proceeding

3. Update documentation

   • README.md - update version info from src-tauri/Cargo.toml if needed
   • CHANGELOG.md - add new release entry with changes summary
   • docs/gh-pages/ - update documentation site if applicable
   • Ask user to confirm any uncertain information

Phase 2: Git Operations

4. Commit changes

   git add .
   git commit -m "Release v{version}"
   

   Note: Never add Claude Code to co-author list

5. Switch to main branch and merge

   git checkout main
   git merge {current-branch}
   

6. Create release tag

   git tag v{version}
   

Phase 3: Build & Package

7. Build release binary

   npm run tauri build
   

8. Update dist-release folder

   • The dist-release/ folder already exists with ffmpeg/ subdirectory
   • Only update these files:
     • Replace transcoder.exe with newly built binary from src-tauri/target/release/
     • Replace README.md if it has changed
   • The ffmpeg/ folder and its contents remain unchanged

9. Update files + create zip (single command)

   • {version} is read from src-tauri/Cargo.toml

   powershell -Command "$version=(Get-Content src-tauri\Cargo.toml | Select-String -Pattern '^version\s*=\s*""(.+)""' | ForEach-Object { $_.Matches[0].Groups[1].Value } | Select-Object -First 1); if (-not $version) { throw 'Version not found in src-tauri/Cargo.toml' }; Copy-Item -Force src-tauri\target\release\transcoder.exe dist-release\transcoder.exe; Copy-Item -Force README.md dist-release\README.md; Compress-Archive -Force -Path dist-release\transcoder.exe,dist-release\README.md,dist-release\ffmpeg -DestinationPath dist-release\transcoder-v$version-windows.zip"
   

10. Cleanup old archives

    • Delete old zip files (e.g., transcoder-v0.5.1-windows.zip)
    • Keep only the newest release

11. Verify package

    • Check zip file size (should be 100-200 MB range)
    • Confirm all required files are included

Phase 4: Completion

12. Report to user
    • Summarize what was done
    • Show zip file size
    • Ask user if they want to push to remote:
      • Push commits: git push origin main
      • Push tag: git push origin v{version}

Output Structure

dist-release/
├── transcoder.exe          (5-6 MB, from release build)
├── ffmpeg/
│   ├── ffmpeg.exe          (static, unchanged)
│   └── ffprobe.exe         (static, unchanged)
├── README.md               (may be updated)
└── transcoder-v{version}-windows.zip

The uncompressed zip structure

dist-release/
├── transcoder.exe  
├── ffmpeg/
│   ├── ffmpeg.exe 
│   └── ffprobe.exe
└── README.md 

Files Modified

• src-tauri/Cargo.toml - version (if changed)
• src-tauri/tauri.conf.json - version (if changed)
• README.md - documentation updates
• CHANGELOG.md - release notes
• docs/gh-pages/* - site documentation (if applicable)

Files Created

• dist-release/transcoder-v{version}-windows.zip - distribution package
• v{version} git tag

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