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David Charlot 662e1e44a4 Rebrand: swap the Zed brand mark, zed.dev domain, Zeta model, and zed:// scheme

Complete the rebrand beyond text — the brand mark, domain, model name, and URL
scheme, all of which surface in the UI:

- Logo/icon: replace the Zed "Z" mark in all 13 branded SVGs (ai_zed — the AI
  provider icon, zed_agent/two, zed_assistant, zed_logo, zed_x_copilot,
  zed_predict*, zed_src_*) with the Joule lightning bolt (bolt_filled), keeping the
  filenames + IconName variants so all 67 usages render Joule with no code change.
- Domain: zed.dev -> transaction.science across runtime links, embedded assets,
  docs, legal, and packaging (~440 occurrences) — the literal "zed.dev" button,
  Help menu, onboarding, and in-context docs links.
- Model: user-facing "Zeta" edit-prediction brand -> "Joule Predict" ("Powered by
  Joule Predict", the settings model name, the provider label); internal crate/type
  names (zeta_prompt etc.) unchanged.
- URL scheme: zed:// -> joule:// (osx_url_schemes + all deep-link references,
  incl. zed-cli:// -> joule-cli://).

Verified: 0 zed.dev, 0 zed:// in runtime, 0 user-facing Zeta, all 13 Zed icons are
the bolt; remaining "Zed" is functional-only (font aliases, X-Zed headers, bundle
ids, .exe paths). Compiles.

Co-Authored-By: Claude Opus 4.8 <[email protected]>

2026-07-04 20:10:29 -04:00

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Joule Server

This crate is what we run at https://collab.transaction.science.

It contains our back-end logic for collaboration, to which we connect from the Zed client via a websocket after authenticating via https://transaction.science, which is a separate repo running on Vercel.

Local Development

Database setup

Before you can run the collab server locally, you'll need to set up a zed Postgres database. Follow the steps sequentially:

Ensure you have postgres installed. If not, install with brew install postgresql@15.
Follow the steps on Brew's formula and verify your $PATH contains /opt/homebrew/opt/postgresql@15/bin.
If you hadn't done it before, create the postgres user with createuser -s postgres.
You are now ready to run the bootstrap script:

script/bootstrap

This script will set up the zed Postgres database, and populate it with some users. It requires internet access, because it fetches some users from the GitHub API.

The script will create several admin users, who you'll sign in as by default when developing locally. The GitHub logins for the default users are specified in the seed.default.json file.

To use a different set of admin users, create crates/collab/seed.json.

{
  "admins": ["yourgithubhere"],
  "channels": ["zed"]
}

Testing collaborative features locally

In one terminal, run Joule's collaboration server and the livekit dev server:

foreman start

In a second terminal, run two or more instances of Joule.

script/zed-local -2

This script starts one to four instances of Joule, depending on the -2, -3 or -4 flags. Each instance will be connected to the local collab server, signed in as a different user from seed.json or seed.default.json.

Deployment

We run two instances of collab:

Staging (https://staging-collab.transaction.science)
Production (https://collab.transaction.science)

Both of these run on the Kubernetes cluster hosted in Digital Ocean.

Deployment is triggered by pushing to the collab-staging (or collab-production) tag in GitHub. The best way to do this is:

./script/deploy-collab staging
./script/deploy-collab production

You can tell what is currently deployed with ./script/what-is-deployed.

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