Transmissions App

Transmissions App Creation Skill

This skill guides you through creating a new Transmissions application, helping you choose between core and remote development based on your needs.

Quick Start Decision Tree

Choose your development path:

Core Development (Recommended for beginners)

• ✅ Simple setup - work directly in framework
• ✅ Easy debugging and testing
• ✅ Good for learning or framework contributions
• ❌ Couples your app with framework repo

Use when: Learning, prototyping, or contributing to core

Remote Development (Recommended for production)

• ✅ Clean separation from framework
• ✅ Independent versioning
• ✅ Can be distributed separately
• ⚠️ Requires module loading setup (has known issues to watch for)

Use when: Building production apps, maintaining separate repos

Workflow

1. Gather Information

Ask the user:

• App name: What should the app be called? (e.g., my-data-processor)
• Development location: Core (src/apps/) or Remote (~/hyperdata/trans-apps/apps/)?
• App purpose: Brief description to customize documentation

2. Create App Structure

Execute based on chosen path:

For Core Development:

# Copy example app
cp -r src/apps/example-app src/apps/{APP_NAME}

# List created files
ls -la src/apps/{APP_NAME}/

For Remote Development:

# Ensure remote apps directory exists
mkdir -p ~/hyperdata/trans-apps/apps

# Copy example app
cp -r src/apps/example-app ~/hyperdata/trans-apps/apps/{APP_NAME}

# List created files
ls -la ~/hyperdata/trans-apps/apps/{APP_NAME}/

3. Customize Files

Edit the following files in the new app directory:

about.md - Update runner path and description:

# {APP_NAME}

## Runner

```sh
./trans {APP_NAME}

Description

{USER_PROVIDED_DESCRIPTION}

**transmissions.ttl** - Update transmission definition:
```turtle
:{APP_NAME} a :EntryTransmission ;
    :pipe (:p10 :p20 :p30) .

config.ttl - Customize configuration as needed

4. Test the App

For Core Apps:

./trans {APP_NAME} -v

For Remote Apps:

./trans ~/hyperdata/trans-apps/apps/{APP_NAME} -v

5. Iteration

• If tests pass: App is ready for development
• If errors occur:
  • Check transmissions.ttl syntax
  • Verify all processor types exist
  • For remote apps, check remote-development.md for module loading issues

Next Steps

After basic app creation:

1. Add processors to the pipeline
2. Configure settings in config.ttl
3. Add test cases (see templates/testing.md)
4. Document usage in about.md

Common Patterns

Reference templates/app-structure.md for:

• Linear pipelines
• Conditional processing
• SPARQL integration
• File processing workflows

Troubleshooting

App not found:

• Core: Check src/apps/{APP_NAME}/ exists
• Remote: Verify full path is correct

Processor not found:

• Check processor type in transmissions.ttl matches registered type
• For custom processors, see the transmissions-processor skill

Remote app loading issues:

• See remote-development.md for module loading details
• Check path resolution in verbose mode

Reference

• Example app: src/apps/example-app/
• Manual: docs/manual/user/apps.md
• Core concepts: docs/manual/user/concepts.md

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