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AstralRinth/packages/ui/CLAUDE.md
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Calum H. 84b91f32f8 fix: skins QA problems + flow change (#6216)
* fix: skins backend bugs + apply flow

* fix: caching structure

* feat: collapse already duplicated skins + fix moj api spam

* fix: doc

* fix: flatten migrations

* feat: remove default cape/cape override concept

* fix: fmt + lint

* feat: remove SelectCapeModal for inline cape list

* feat: qa

* feat: virtualisation of skins sections + fix texture/model cache

* fix: lint

* fix: virt bugs + renderer fixes

* fix: qa bugs

* fix: doc

* fix: re-add click impulse anim from prototypes + re-add interact anim length cap

* fix: regressions

* devex: split up SkinPreviewrenderer

* fix: lint

* fix: introduce dynamic mode in virtual-scroll.ts

* feat: qa

* fix: nametag bug + remove minecon skin pack suffix

* feat: pain (literally)

* feat: user agent on moj reqs

* feat: impl per account flush queue for operations

* fix: breadcrumb

* chore: i18n pass

* fix: lint + prep + check

* fix: misalignments
2026-05-27 22:22:24 +00:00

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# Architecture
The shared UI package used by both `apps/frontend` (Nuxt 3) and `apps/app-frontend` (Vue 3 + Tauri). Components here must be platform-agnostic — use dependency injection for platform-specific behavior.
## Folder Structure
```
src/
├── components/ # Vue components organized by feature domain
├── composables/ # Vue 3 composition API hooks
├── layouts/ # Self-contained page layouts (see below)
├── providers/ # Dependency injection contexts (createContext pattern)
├── utils/ # Utility functions and constants
├── pages/ # Cross platform page components (used in both app-frontend and frontend)
├── locales/ # 34 language locale files (FormatJS)
├── styles/ # Tailwind CSS utilities
└── stories/ # Storybook story files
```
Each subdirectory under `components/` has an `index.ts` barrel file. All public API is re-exported from the root `index.ts`.
### `src/layouts/`
Self-contained page layouts shared across frontends. Split into two categories:
- **`shared/`** — Reusable layout modules with their own components, composables, providers, and types. Each module is a self-contained unit (e.g. `shared/content-tab/` contains the content/mods tab layout with its own `layout.vue`, `components/`, `composables/`, `providers/`, and `types.ts`).
- **`wrapped/`** — Page-level Vue components that mirror route structures (e.g. `wrapped/hosting/manage/`). These are full page implementations consumed by both `apps/frontend` and `apps/app-frontend`.
Files inside `layouts/` use the `#ui/*` import alias (resolved via the `"imports"` field in `package.json`) to reference other `src/` modules like `#ui/components/base/ButtonStyled.vue` or `#ui/composables/i18n`.
# Code Guidelines
### Tailwind Configuration
All frontend packages share a Tailwind preset at `packages/tooling-config/tailwind/tailwind-preset.ts`. This package's `tailwind.config.ts` extends it:
```ts
import preset from '@modrinth/tooling-config/tailwind/tailwind-preset.ts'
```
CSS custom properties are defined in `packages/assets/styles/variables.scss` with light, dark, and OLED theme variants.
### Color Usage Rules
**Use `surface-*` variables for backgrounds — never aliased `bg-*` color variables:**
| Token | Usage |
| ---------------- | ----------------------------------------- |
| `bg-surface-1` | Deepest background layer |
| `bg-surface-1.5` | Odd row background (tables) |
| `bg-surface-2` | Even row background, secondary panels |
| `bg-surface-3` | Headers, floating bar backgrounds, inputs |
| `bg-surface-4` | Cards, elevated surfaces |
| `bg-surface-5` | Borders, dividers |
**For text colors:**
| Class | Usage |
| ---------------- | -------------------------------- |
| `text-contrast` | Primary headings |
| `text-primary` | Default body text |
| `text-secondary` | Reduced emphasis, secondary info |
**Brand and semantic colors** not all exposed as Figma variables — refer to `packages/assets/styles/variables.scss` for the full set:
- `bg-{color}`, `text-{color}` etc. — Primary brand colors
- `bg-{color}-highlight` — 25% opacity semantic highlights
**Color palette** (each with shades 50950): red, orange, green, blue, purple, gray. Platform-specific colors also exist (fabric, forge, quilt, neoforge, etc.).
## Storybook
When modifying a component in `src/components/`, you must also update its corresponding Storybook story in `src/stories/` to reflect the changes. If a story file doesn't exist yet, create one. Stories should cover the component's key states and variants - do not make or modify a storybook unless the user asks for it or skip if it's incredibly obvious one should not be needed (e.g minor changes or styling changes DO NOT need a storybook edit)
## Dependency Injection
This package defines the DI layer using `createContext` from `src/providers/index.ts`. See the `dependency-injection` skill (`.claude/skills/dependency-injection/SKILL.md`) for full documentation.
Key providers exported from this package:
- `provideModrinthClient` / `injectModrinthClient` — API client
- `provideNotificationManager` / `injectNotificationManager` — Notifications
## Vue Template Rules
### Multi-statement event handlers
Never use newline-separated statements in Vue template event handlers like `@click`. Vue's template compiler cannot parse multi-line expressions separated only by newlines. Always use semicolons on a single line:
```vue
<!-- BAD: will cause "Unexpected token" parse error -->
@click=" foo = true $emit('bar') "
<!-- GOOD -->
@click="foo = true; $emit('bar')"
```