[FEATURE] Self Host Playground w/ repo

[PvH-SPC]

Problem Statement

Editing of PRS files is challenging and requires fast integrations, the playground is great, but sandboxed to browser only, no way to run for actual code repo.

Proposed Solution

Provide a docker image that can self host the playground, with git CLI to include clone / push/ pull the repo (esp when self hosted)

[mrwogu]

This is coming in v1.4.0! I've added a prs serve command that connects the online playground to your local files.

How it works:

# In your project directory
prs serve

# Opens: https://getpromptscript.dev/playground/?server=localhost:3000

The playground loads your local .prs files and syncs changes in real time via WebSocket - edit in the browser or your editor, both ways work.

Options:

• --port <port> - custom port (default: 3000)
• --host 0.0.0.0 - expose on all interfaces (useful for Docker)
• --read-only - disable modifications from the playground
• --cors-origin - custom CORS origin

Docker support is included too:

docker compose up playground
# or
docker run --rm -p 3000:3000 -v $(pwd):/workspace \
  ghcr.io/mrwogu/promptscript:latest serve --host 0.0.0.0

PR: #108