Can't you just build the source and run it without giving them any information? Or does the editor itself require information and phone home while running?
There are hundreds of references to http requests in the source tree, though most seem associated with calling particular AI model providers.
This looks to be the telemetry struct: https://github.com/zed-industries/zed/blob/a7c9c24f40d7e9169...
It appears to crawl your worktrees collecting an inventory of the types of projects you have and is interested in certain named files specificaly: https://github.com/zed-industries/zed/blob/a7c9c24f40d7e9169...
2. Telemetry defaults to on. So turn off telemetry as explained at https://zed.dev/docs/telemetry#configuring-telemetry-setting...
"telemetry": {
"diagnostics": false,
"metrics": false,
},