Front-components compile to a remote-dom worker, so a CSS import like
`import 'twenty-ui/style.css'` can't load a stylesheet and was breaking
the build at the manifest step.
This makes the build inline an imported CSS file as a runtime `<style>`
injection that flows through the existing style bridge into the host.
Because the CSS is bundled alongside that same build's hashed class
names, an app's styling matches its own twenty-ui version regardless of
which version the host ships — no server, manifest, or host changes
needed.
The manifest extractor keeps the no-op CSS loader (it executes the
bundle in Node, where `document` is undefined); the inject plugin runs
only in the real build and the dev watcher.
## Summary
- Move 4 test fixture apps from `twenty-sdk/src/cli/__tests__/apps/` to
`twenty-apps/fixtures/` with meaningful names (`rich-app` →
`postcard-app`, `root-app` → `minimal-app`)
- Replace all `from '@/sdk'` imports with `from 'twenty-sdk'` so fixture
apps are proper, portable twenty-sdk apps
- Remove the fragile `"@/*": ["../../../../../src/*"]` tsconfig hack and
replace with standard `"src/*": ["./src/*"]` paths
- Create a centralized `fixture-paths.ts` utility in twenty-sdk tests
for clean app path resolution
## Why
The fixture apps were deeply nested in twenty-sdk's test directory and
tightly coupled to its internal source layout via a tsconfig path alias
hack. This made them:
- Impossible to reuse outside of SDK CLI tests (e.g., for server-side
dev seeding with `DevSeederService`)
- Fragile — moving any twenty-sdk source file could break the path alias
- Poorly discoverable — buried 5 directories deep in test infrastructure
Moving them to `twenty-apps/fixtures/` makes them first-class portable
apps that can be imported by `twenty-server` for seeding, used in E2E
testing, and serve as canonical examples alongside `hello-world`.
## Test plan
- [x] All 8 twenty-sdk integration tests pass (3 suites: postcard-app,
minimal-app, invalid-app)
- [x] Prettier formatting verified on all changed files
- [ ] CI should confirm E2E tests also pass (these require a running
server)
Made with [Cursor](https://cursor.com)
Raphaël Bosi