Admin white-labeling: custom logo and site name in the admin UI

[eba8]

Problem

When building sites for clients, the admin panel displays the EmDash logo on the login page, the top-left of the admin layout, and other places. There's no way to modify the branding.

This means clients see a generic CMS logo instead of our agency's logo or their own organization's identity.

For agencies delivering white-labeled solutions, this creates a disconnect.

Proposed Solution

Add configuration options in astro.config.mjs (or site settings) to customize admin branding:

emdash({
  admin: {
    logo: "/images/logo.webp",       // Custom logo for login + admin header
    siteName: "My Client Site",       // Displayed alongside logo
    favicon: "/favicon.ico",          // Admin-specific favicon (optional)
  },
})

Alternatively, this could pull from the existing site settings (title and a new logo field) so editors can update it themselves without touching config.

Where it shows up

• Login/onboarding page (large logo)
• Top-left of the admin sidebar/header
• Browser tab title (already uses site name, but favicon is EmDash's)

Context

Building a site for a client and they naturally expect to see our logo or their own when logging into the CMS. Currently there's no workaround short of patching the admin bundle.

[MA2153]

Related to #187

[nickgraynews]

This sounds like a good idea and would help to get larger adoption from agencies who host and manage many sites.

[gruntlord5]

I would also love this

[ascorbic]

This sounds like a good idea. Setting in config makes sense, so it's not confused with the name, icon etc of the site itself. Happy for you to open a PR if you're up for it!

[eba8]

I'm on it! Submitting a PR shortly.

[ascorbic]

Closing as this has now been merged!