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feat(login): configurable logo size + hideable heading/subtitle

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Login header customization for white-label deployments, all defaults
preserve current behaviour:

- LOGIN_LOGO_MAX_HEIGHT / LOGIN_LOGO_MAX_WIDTH (any CSS length): the logo
  box is otherwise a fixed 64x64 (w-16/h-16), which fits a wide wordmark to
  ~13px tall. When either is set, the fixed box is dropped and the logo
  renders at the configured size.
- LOGIN_SHOW_HEADING / LOGIN_SHOW_SUBTITLE (default true): hide the
  {appName} heading and/or the subtitle when the logo already reads as the
  brand (e.g. a wordmark) and they'd be redundant.

Applied to the standard login header; wired through the existing config
registry (CONFIG_ENV_MAP) -> /api/config -> useConfig.

Refs #519.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Maarten Draijer
2026-07-04 14:59:49 +02:00
committed by Linus Rath
co-authored by Claude Opus 4.8
parent d1da83a5d6
commit 1429a6fe1e
4 changed files with 50 additions and 9 deletions
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lib/admin/types.ts
+9
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@@ -166,6 +166,15 @@ export const CONFIG_ENV_MAP: Record<string, { envVar: string; fileEnvVar?: strin
loginImprintUrl: { envVar: 'LOGIN_IMPRINT_URL', type: 'url', defaultValue: '' },
loginPrivacyPolicyUrl: { envVar: 'LOGIN_PRIVACY_POLICY_URL', type: 'url', defaultValue: '' },
loginWebsiteUrl: { envVar: 'LOGIN_WEBSITE_URL', type: 'url', defaultValue: '' },
// Login header customization. The logo box is otherwise a fixed 64×64
// (w-16/h-16), which fits a wide wordmark to ~13px tall; set a max height
// and/or width (any CSS length, e.g. "230px" or "3rem") to size it. The
// heading ({appName}) and subtitle can be hidden when the logo already
// reads as the brand (e.g. a wordmark) and they'd be redundant.
loginLogoMaxHeight: { envVar: 'LOGIN_LOGO_MAX_HEIGHT', type: 'string', defaultValue: '' },
loginLogoMaxWidth: { envVar: 'LOGIN_LOGO_MAX_WIDTH', type: 'string', defaultValue: '' },
loginShowHeading: { envVar: 'LOGIN_SHOW_HEADING', type: 'boolean', defaultValue: true },
loginShowSubtitle: { envVar: 'LOGIN_SHOW_SUBTITLE', type: 'boolean', defaultValue: true },
oauthEnabled: { envVar: 'OAUTH_ENABLED', type: 'boolean', defaultValue: false },
oauthOnly: { envVar: 'OAUTH_ONLY', type: 'boolean', defaultValue: false },
oauthClientId: { envVar: 'OAUTH_CLIENT_ID', type: 'string', defaultValue: '' },