Theme: disable non default test plugins in NFS

[christoph-jerolimov]

Export only 2 defaults themes in the default module for the new frontend system.

Export all themes as another module that can be manually loaded, including in the included test app for e2e tests.

[fullsend-ai-triage]

🤖 Finished Triage · ✅ Success · Started 6:13 AM UTC · Completed 6:16 AM UTC
Commit: d6966b1 · View workflow run →

[fullsend-ai-triage]

Triage Summary

Severity: Low | Category: Feature

Problem

The default NFS module currently exports all 6 themes (including test/customized variants) via getAllThemes(). Only the 2 default themes (light, dark) should be registered by default.

Recommended Approach

1. Modify index.ts — change getAllThemes() to getThemes() so the default module only registers the light and dark themes.
2. Create a new all-themes module (e.g., allThemesModule.ts) that exports a separate createFrontendModule using getAllThemes() for all 6 themes.
3. Add a new package export in package.json (e.g., "./all-themes") pointing to the new module.
4. Update the test app to explicitly import the all-themes module so e2e tests continue to cover all theme variants.
5. Update tests to verify both modules export the expected number of themes.

The getThemes() function already exists in themes.tsx and returns exactly the 2 default themes, so the core logic is already in place.

Proposed Test

// Default module: verify only 2 themes
import rhdhThemeModule from './index';
expect(rhdhThemeModule.pluginId).toBe('app');
// Assert 2 theme extensions

// All-themes module: verify all 6 themes
import rhdhAllThemesModule from './allThemesModule';
expect(rhdhAllThemesModule.pluginId).toBe('app');
// Assert 6 theme extensions

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Next steps:

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