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338 lines
16 KiB
Markdown
338 lines
16 KiB
Markdown
# Web Frontend (apps/web)
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## Overview
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`@memohai/web` is the management UI for Memoh, built with Vue 3 + Vite. It provides visual configuration for bots, models, channels, memory, and more.
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## Tech Stack
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| Category | Technology |
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|----------|-----------|
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| Framework | Vue 3 (Composition API, `<script setup>`) |
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| Build | Vite 8 + `@vitejs/plugin-vue` |
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| CSS | Tailwind CSS 4 (CSS-based config, no `tailwind.config.*`) |
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| UI Library | `@memohai/ui` (built on Reka UI + class-variance-authority) |
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| State | Pinia 3 + `pinia-plugin-persistedstate` |
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| Data Fetching | Pinia Colada (`@pinia/colada`) + `@memohai/sdk` |
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| Forms | vee-validate + `@vee-validate/zod` + Zod |
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| i18n | vue-i18n (en / zh) |
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| Icons | FontAwesome (primary) + lucide-vue-next (secondary) |
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| Toast | vue-sonner |
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| Tables | @tanstack/vue-table |
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| Markdown | markstream-vue + Shiki + Mermaid + KaTeX |
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| Utilities | @vueuse/core |
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| TypeScript | ~5.9 (strict mode) |
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## Directory Structure
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```
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src/
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├── App.vue # Root component (RouterView + Toaster)
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├── main.ts # App entry (plugins, global components, API client setup)
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├── router.ts # Route definitions and auth guard
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├── style.css # Tailwind imports, CSS variables, theme tokens
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├── i18n.ts # vue-i18n configuration
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├── assets/ # Static assets
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├── components/ # Shared components
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│ ├── sidebar/ # App sidebar navigation
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│ ├── main-container/ # Main content area (header + breadcrumb + content)
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│ ├── master-detail-sidebar-layout/ # Master-detail layout pattern
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│ ├── data-table/ # TanStack table wrapper
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│ ├── form-dialog-shell/ # Dialog wrapper for forms
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│ ├── confirm-popover/ # Confirmation popover
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│ ├── loading-button/ # Button with loading state
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│ ├── status-dot/ # Status indicator dot
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│ ├── warning-banner/ # Warning banner
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│ ├── search-provider-logo/ # Search provider icons
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│ ├── searchable-select-popover/ # Searchable dropdown
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│ ├── add-platform/ # Add platform dialog
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│ ├── add-provider/ # Add LLM provider dialog
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│ ├── create-model/ # Create model dialog
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│ └── chat-list/ # Chat list helpers
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├── composables/ # Reusable composition functions
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│ ├── api/ # API-related composables (chat, SSE, platform)
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│ ├── useDialogMutation.ts # Mutation wrapper with toast error handling
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│ ├── useRetryingStream.ts # SSE retry with exponential backoff
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│ ├── useSyncedQueryParam.ts # URL query param sync
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│ ├── useBotStatusMeta.ts # Bot status metadata
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│ ├── useAvatarInitials.ts # Avatar initial generation
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│ ├── useClipboard.ts # Clipboard utilities
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│ └── useKeyValueTags.ts # Tag management
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├── constants/ # Constants (client types, etc.)
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├── i18n/locales/ # Translation files (en.json, zh.json)
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├── layout/
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│ └── main-layout/ # Top-level layout (SidebarProvider)
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├── lib/
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│ └── api-client.ts # SDK client setup (base URL, auth interceptor)
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├── pages/ # Route page components
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│ ├── login/ # Login page
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│ ├── main-section/ # Authenticated layout wrapper
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│ ├── home/ # Home page
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│ ├── chat/ # Chat interface (SSE streaming)
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│ ├── bots/ # Bot list + detail (tabs: overview, memory, channels, etc.)
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│ ├── models/ # LLM provider & model management
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│ ├── search-providers/ # Search provider management
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│ ├── email-providers/ # Email provider management
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│ ├── settings/ # User settings (profile, password, theme, channels)
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│ └── platform/ # Platform management
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├── store/ # Pinia stores
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│ ├── user.ts # User state, JWT token, login/logout
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│ ├── settings.ts # UI settings (theme, language)
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│ ├── capabilities.ts # Server capabilities (container backend)
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│ └── chat-list.ts # Chat state, messages, SSE streaming
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└── utils/ # Utility functions
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├── api-error.ts # API error message extraction
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├── date-time.ts # Date/time formatting
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├── channel-icons.ts # Channel platform icons
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└── key-value-tags.ts # Tag ↔ Record conversion
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```
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## Routes
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| Path | Name | Component | Description |
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|------|------|-----------|-------------|
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| `/login` | Login | `login/index.vue` | Login form (no auth required) |
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| `/chat` | chat | `chat/index.vue` | Chat interface with bot sidebar |
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| `/home` | home | `home/index.vue` | Home dashboard |
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| `/bots` | bots | `bots/index.vue` | Bot list grid |
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| `/bots/:botId` | bot-detail | `bots/detail.vue` | Bot detail with tabs |
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| `/models` | models | `models/index.vue` | LLM provider & model management |
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| `/search-providers` | search-providers | `search-providers/index.vue` | Search provider management |
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| `/email-providers` | email-providers | `email-providers/index.vue` | Email provider management |
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| `/settings` | settings | `settings/index.vue` | User settings |
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| `/platform` | platform | `platform/index.vue` | Platform management |
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Auth guard: all routes except `/login` require `localStorage.getItem('token')`. Logged-in users accessing `/login` are redirected to `/chat`.
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## Layout System
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Three-tier layout architecture:
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1. **MainLayout** (`layout/main-layout/`) — Top-level wrapper using `SidebarProvider` from `@memohai/ui`. Provides `#sidebar` and `#main` slots.
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2. **Sidebar** (`components/sidebar/`) — Collapsible navigation with logo, menu items, and user avatar footer. Active route highlighting.
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3. **MainContainer** (`components/main-container/`) — Header (sidebar trigger + breadcrumb) + scrollable content area with `<KeepAlive>` wrapped `<RouterView>`.
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Several pages use **MasterDetailSidebarLayout** (`components/master-detail-sidebar-layout/`) for left-sidebar + detail-panel patterns (chat, models, search providers, email providers).
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## CSS & Theming
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### Tailwind CSS 4
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CSS-based configuration in `style.css` (no `tailwind.config.*` file):
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```css
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@import "tailwindcss";
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```
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Design tokens are CSS custom properties in `:root` / `.dark` using OKLCH color space with a unified subtle purple hue (285):
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- Colors: `--background`, `--foreground`, `--primary`, `--secondary`, `--muted`, `--accent`, `--destructive`, `--border`, `--input`, `--ring`
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- Sidebar: `--sidebar`, `--sidebar-foreground`, `--sidebar-primary`, etc.
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- Radius: `--radius` with size variants (`--radius-sm`, `--radius-md`, `--radius-lg`, `--radius-xl`)
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- Chart: `--chart-1` through `--chart-5`
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Tokens are mapped to Tailwind via `@theme inline` block in `style.css`.
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### Color Design Principles
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The color system avoids extreme black/white to reduce visual strain and create a layered, warm feel:
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- **No pure black or pure white**: Light mode foreground is dark charcoal (L=25%), not black. Dark mode background is dark gray (L=20.5%), not black. Dark mode foreground is soft off-white (L=88%), not pure white.
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- **Subtle color temperature**: All neutral grays carry a tiny chroma (0.004–0.006) at hue 285 (purple), preventing a sterile "dead gray" feel.
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- **Text hierarchy through lightness**: Three distinct levels — `text-foreground` (primary text), `text-secondary-foreground` (emphasis text on secondary surfaces), `text-muted-foreground` (secondary/helper text).
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- **Surface layering**: `background` < `card`/`popover` — card surfaces are slightly lighter than the page background for visual depth.
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### Dark Mode
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- CSS: `@custom-variant dark (&:is(.dark *))` in `style.css`
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- Runtime: `useColorMode` from `@vueuse/core` in `store/settings.ts`
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- Storage: theme preference persisted via `useStorage`
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- Toggle: Available in Settings page and login page
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- Usage: semantic tokens auto-switch; no `dark:` prefix needed for themed colors
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### Styling Convention
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- **Utility-first**: Tailwind classes as primary styling method. Minimal `<style>` blocks.
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- **Semantic tokens only**: Always use theme variables (`text-foreground`, `bg-background`, `bg-card`, `text-muted-foreground`, `border-border`, `bg-accent`, etc.) instead of raw Tailwind colors like `gray-*`, `bg-white`, or `text-black`. This ensures dark mode works automatically without `dark:` overrides.
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- **No hardcoded gray colors**: Never use `gray-100`, `gray-700`, `bg-white dark:bg-gray-800`, etc. in components. Use the semantic mapping instead:
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| Instead of | Use |
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|------------|-----|
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| `border-gray-200 dark:border-gray-700` | `border-border` |
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| `bg-white dark:bg-gray-800` | `bg-card` or `bg-popover` |
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| `text-gray-900 dark:text-gray-100` | `text-foreground` |
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| `bg-gray-100 dark:bg-gray-700` | `bg-muted` or `bg-secondary` |
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| `hover:bg-gray-50 dark:hover:bg-gray-700` | `hover:bg-accent` |
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| `text-gray-500` / `text-gray-400` | `text-muted-foreground` |
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| `text-gray-600 dark:text-gray-400` | `text-muted-foreground` |
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| `bg-gray-200 dark:bg-gray-700` (separators) | `bg-border` |
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- **Exception**: Physical UI knobs (Switch thumb, Slider thumb) may keep `bg-white` as they need to contrast against colored tracks regardless of theme.
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- **No scoped CSS modules**: Styling is done inline via utility classes.
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### CSS Imports (main.ts)
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```
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style.css — Tailwind + theme tokens
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markstream-vue/index.css — Markdown rendering
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katex/dist/katex.min.css — Math rendering
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vue-sonner/style.css — Toast notifications (in App.vue)
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```
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## UI Components (@memohai/ui)
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`@memohai/ui` provides 40+ components built on Reka UI primitives + Tailwind + class-variance-authority:
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- **Form**: `Form`, `FormField`, `FormItem`, `FormControl`, `FormLabel`, `FormMessage`
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- **Input**: `Input`, `Textarea`, `InputGroup`, `NativeSelect`, `Combobox`, `TagsInput`
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- **Selection**: `Select`, `RadioGroup`, `Checkbox`, `Switch`
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- **Layout**: `Card`, `Separator`, `Sheet`, `Sidebar`, `ScrollArea`, `Collapsible`
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- **Overlays**: `Dialog`, `Popover`, `Tooltip`, `DropdownMenu`, `ContextMenu`
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- **Data**: `Table`, `Badge`, `Avatar`, `Skeleton`, `Empty`
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- **Navigation**: `Breadcrumb`, `Tabs`, `Pagination`
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- **Feedback**: `Button`, `ButtonGroup`, `Spinner`, `Alert`
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### Form Pattern (vee-validate + Zod)
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```vue
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<script setup>
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const form = useForm({
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validationSchema: toTypedSchema(z.object({
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name: z.string().min(1),
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})),
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})
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</script>
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<template>
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<FormField v-slot="{ componentField }" name="name">
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<FormItem>
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<Label>Name</Label>
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<FormControl>
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<Input v-bind="componentField" />
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</FormControl>
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<FormMessage />
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</FormItem>
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</FormField>
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</template>
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```
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### Icon Usage
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- **FontAwesome** (primary): Global `<FontAwesomeIcon :icon="['fas', 'robot']" />`, icons registered in `main.ts`
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- **Lucide** (secondary): Direct imports `<Sun />`, `<Moon />`, used for theme toggle
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### Notification Pattern
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```typescript
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import { toast } from 'vue-sonner'
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toast.success(t('common.saved'))
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toast.error(resolveApiErrorMessage(error, 'Failed'))
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```
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## Data Fetching
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### API Client Setup (`lib/api-client.ts`)
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- SDK: `@memohai/sdk` auto-generated from OpenAPI via `@hey-api/openapi-ts`
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- Base URL: `VITE_API_URL` env var (defaults to `/api`, proxied by Vite dev server to backend)
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- Auth: Request interceptor attaches `Authorization: Bearer ${token}` from localStorage
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- 401 handling: Response interceptor removes token and redirects to `/login`
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### Pinia Colada (Server State)
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Primary data fetching mechanism for CRUD operations:
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```typescript
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// Query — auto-generated from SDK
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const { data, isLoading } = useQuery(getBotsQuery())
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// Custom query with dynamic key
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const { data } = useQuery({
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key: () => ['bot-settings', botId.value],
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query: async () => {
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const { data } = await getBotsByBotIdSettings({
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path: { bot_id: botId.value },
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throwOnError: true,
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})
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return data
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},
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enabled: () => !!botId.value,
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})
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// Mutation with cache invalidation
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const queryCache = useQueryCache()
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const { mutateAsync } = useMutation({
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mutation: async (body) => {
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const { data } = await putBotsByBotIdSettings({
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path: { bot_id: botId.value },
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body,
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throwOnError: true,
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})
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return data
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},
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onSettled: () => queryCache.invalidateQueries({
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key: ['bot-settings', botId.value],
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}),
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})
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```
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SDK also generates colada helpers: `getBotsQuery()`, `postBotsMutation()`, query key factories.
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### Pinia Stores (Client State)
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| Store | Purpose |
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|-------|---------|
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| `user` | JWT token (`useLocalStorage`), user info, login/logout |
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| `settings` | Theme (dark/light), language (en/zh), persisted |
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| `capabilities` | Server feature flags (container backend, snapshot support) |
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| `chat-list` | Chat messages, streaming state, SSE event processing |
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Stores use Composition API style (`defineStore(() => { ... })`), with persistence via `pinia-plugin-persistedstate`.
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### SSE Streaming (Chat)
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Chat responses are streamed via Server-Sent Events:
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- **Endpoints**: `/bots/{bot_id}/web/stream` (chat), `/bots/{bot_id}/messages/events` (real-time updates)
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- **Parsing**: `composables/api/useChat.sse.ts` reads `ReadableStream<Uint8Array>` and parses SSE `data:` lines
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- **Events**: `text_delta`, `reasoning_delta`, `tool_call_start/end`, `attachment_delta`, `processing_completed/failed`
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- **Retry**: `useRetryingStream` composable provides exponential backoff for reconnection
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- **State**: `store/chat-list.ts` processes streaming events into reactive message blocks in real-time
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- **Abort**: Stream cancellation via `AbortSignal`
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### Error Handling
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- **Global**: `utils/api-error.ts` — `resolveApiErrorMessage()` extracts error from `message`, `error`, `detail` fields
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- **Mutations**: `useDialogMutation` composable wraps mutations with automatic `toast.error()` on failure
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- **SDK**: All calls use `throwOnError: true`; try/catch at component level
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- **Streams**: `processing_failed` / `error` events appended to message blocks
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## i18n
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- Plugin: vue-i18n (Composition API, `legacy: false`)
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- Locales: `en` (English, default), `zh` (Chinese)
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- Files: `src/i18n/locales/en.json`, `src/i18n/locales/zh.json`
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- Usage: `const { t } = useI18n()` → `t('bots.title')`
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- Key namespaces: `common`, `auth`, `sidebar`, `settings`, `chat`, `models`, `provider`, `searchProvider`, `emailProvider`, `mcp`, `bots`, `home`
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## Vite Configuration
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- Dev server port: 8082 (from `config.toml`)
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- Proxy: `/api` → backend (default `http://localhost:8080`)
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- Aliases: `@` → `./src`, `#` → `../ui/src`
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- Config: reads from `MEMOH_CONFIG_PATH` / `CONFIG_PATH` when provided, otherwise `../../config.toml`, via `@memohai/config`
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## Development Rules
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- Use Vue 3 Composition API with `<script setup>` exclusively.
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- Style with Tailwind utility classes; avoid `<style>` blocks.
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- **Always use semantic color tokens** (`text-foreground`, `bg-card`, `border-border`, `text-muted-foreground`, `bg-accent`, etc.) instead of raw colors (`gray-*`, `bg-white`, `text-black`). Never introduce hardcoded Tailwind color classes for themed elements — this breaks dark mode consistency.
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- Use `@memohai/ui` components for all UI primitives; do not import Reka UI directly.
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- Use Pinia Colada (`useQuery`/`useMutation`) for server state; use Pinia stores for client state only.
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- API calls must go through `@memohai/sdk`; never call `fetch()` directly.
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- All user-facing strings must use i18n keys (`t('key')`) — never hardcode text.
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- Forms must use vee-validate + Zod schemas via `toTypedSchema()`.
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- Error messages via `resolveApiErrorMessage()` + `toast.error()`.
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- Page components go in `pages/{feature}/`; page-specific sub-components go in `pages/{feature}/components/`.
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- Shared components go in `components/`.
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- Composables go in `composables/`; API-specific composables in `composables/api/`.
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