Add specifications for gamification, generation, and R42 chat services
- Introduced gamification service spec detailing responsibilities, API surface, XP calculation, levels, streaks, badges, milestone cards, and heatmap data. - Added generation service spec outlining the process for generating micro learning content, including API endpoints, AI call configuration, prompt strategies, and error handling. - Created R42 chat service spec covering chatbot interactions, retrieval pipeline, prompt construction, response generation, and stateless design principles.
This commit is contained in:
RaymondVerhoef
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docs/frontend-spec.md
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docs/frontend-spec.md
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# Frontend spec
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## Responsibility
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Single Next.js 14 codebase serving two distinct role-based experiences:
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- `/admin/*` — content administration (document upload, KB review, curriculum)
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- `/app/*` — employee learning experience (sessions, library, R42, gamification)
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Mobile-first. Designed for 375px width, scales up. Installable as a PWA.
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---
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## Location
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```
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app/frontend/
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├── src/
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│ ├── app/ Next.js app router
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│ │ ├── layout.tsx root layout — global stylesheet import
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│ │ ├── page.tsx redirect → role-based landing
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│ │ ├── admin/
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│ │ │ ├── layout.tsx admin shell (sidebar nav)
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│ │ │ ├── page.tsx admin dashboard
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│ │ │ ├── documents/
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│ │ │ │ └── page.tsx document upload + ingestion status
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│ │ │ ├── knowledge/
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│ │ │ │ ├── page.tsx theme batch review list
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│ │ │ │ └── [themeId]/page.tsx theme detail + topic edit
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│ │ │ └── curriculum/
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│ │ │ └── page.tsx curriculum editor + regeneration
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│ │ ├── app/
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│ │ │ ├── layout.tsx employee shell (bottom nav + R42)
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│ │ │ ├── page.tsx redirect → /app/session
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│ │ │ ├── session/
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│ │ │ │ └── page.tsx current week session
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│ │ │ ├── library/
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│ │ │ │ ├── page.tsx knowledge library browse
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│ │ │ │ └── [topicId]/page.tsx topic detail
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│ │ │ └── profile/
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│ │ │ └── page.tsx gamification profile + heatmap + badges
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│ │ ├── auth/
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│ │ │ └── page.tsx login (PocketBase auth)
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│ │ └── api/ Next.js API routes (thin proxies only)
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│ ├── components/
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│ │ ├── admin/ admin-specific components
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│ │ ├── employee/ employee-specific components
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│ │ ├── micro-learnings/ one component per micro learning type
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│ │ ├── r42/ R42 chatbot components
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│ │ ├── gamification/ heatmap, badges, leaderboard
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│ │ └── ui/ shared primitives
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│ ├── lib/
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│ │ ├── pocketbase.ts PocketBase client (browser)
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│ │ ├── services.ts typed API calls to backend services
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│ │ ├── auth.ts auth helpers + role guards
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│ │ └── hooks/ custom React hooks
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│ └── types/
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│ └── index.ts shared TypeScript types
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├── public/
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│ ├── manifest.json PWA manifest
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│ ├── sw.js service worker (generated)
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│ └── icons/ PWA icons (192, 512)
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├── next.config.js
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├── tailwind.config.ts
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├── tsconfig.json
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└── .env.example
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```
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---
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## Stylesheet integration
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`/stylesheet.css` lives at the repo root — not inside `app/frontend/`.
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Import it as the first global stylesheet in `src/app/layout.tsx`:
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```tsx
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import '../../../stylesheet.css' // path from app/frontend/src/app/
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import './globals.css' // Tailwind directives second
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```
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Rules:
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- stylesheet.css is the authoritative visual style — never override it
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- Where Tailwind utility classes conflict with stylesheet.css rules,
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stylesheet.css wins
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- Tailwind is used for layout, spacing, and elements not covered by the
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stylesheet — match the visual language (spacing scale, colour, type) of
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the existing stylesheet when doing so
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- Inspect stylesheet.css before implementing any component — use its CSS
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custom properties (if any) rather than hardcoding values
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---
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## PWA configuration
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### next.config.js
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Use `next-pwa` package to generate service worker and manifest wiring:
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```javascript
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const withPWA = require('next-pwa')({
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dest: 'public',
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register: true,
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skipWaiting: true,
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disable: process.env.NODE_ENV === 'development'
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})
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module.exports = withPWA({
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reactStrictMode: true,
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})
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```
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### public/manifest.json
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```json
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{
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"name": "Learning Platform",
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"short_name": "Learn",
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"description": "Employee knowledge and learning",
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"start_url": "/app",
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"display": "standalone",
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"background_color": "#ffffff",
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"theme_color": "#ffffff",
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"orientation": "portrait",
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"icons": [
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{ "src": "/icons/192.png", "sizes": "192x192", "type": "image/png" },
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{ "src": "/icons/512.png", "sizes": "512x512", "type": "image/png" }
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]
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}
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```
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Note: set `theme_color` and `background_color` to match stylesheet.css
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primary background after inspecting the file.
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### Service worker caching strategy
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- Static assets: cache-first
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- PocketBase API calls: network-first, fall back to cache
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- Backend service calls: network-only (no caching for dynamic content)
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---
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## Auth
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PocketBase handles auth. Two roles: `admin` and `employee`.
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### Login flow
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```
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/auth page → email + password form
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↓
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PocketBase authWithPassword()
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↓
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Store token in PocketBase SDK (persists in localStorage)
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↓
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Read user.role from auth record
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↓
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role === 'admin' → redirect to /admin
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role === 'employee' → redirect to /app
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```
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### Route guards
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Implement as Next.js middleware (`middleware.ts` at app root):
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```typescript
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// Admin routes: require role === 'admin'
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// Employee routes: require role === 'employee'
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// Unauthenticated: redirect to /auth
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// Wrong role: redirect to correct landing
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```
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### PocketBase client (browser)
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```typescript
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// lib/pocketbase.ts
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import PocketBase from 'pocketbase'
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export const pb = new PocketBase(process.env.NEXT_PUBLIC_POCKETBASE_URL)
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```
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Use `pb.authStore` for auth state. Use `pb.collection().getFullList()` etc.
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for direct PocketBase reads. The frontend reads KB content (topics, micro
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learnings) directly from PocketBase — it does not proxy through backend services.
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### Service calls
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Backend services (ingestion, generation, curriculum, chat, progress) are called
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via typed fetch wrappers in `lib/services.ts`:
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```typescript
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// Example
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export async function postComplete(payload: CompletePayload) {
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const res = await fetch(`${PROGRESS_URL}/complete`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify(payload)
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})
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if (!res.ok) throw new Error(`Complete failed: ${res.status}`)
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return res.json() as Promise<CompleteResponse>
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}
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```
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All service response types imported from `types/index.ts`.
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---
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## Admin app
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### Shell layout (`admin/layout.tsx`)
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Sidebar navigation on desktop, top navigation on mobile.
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Nav items:
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- Documents
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- Knowledge base
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- Curriculum
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- (link back to employee app)
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### Documents page (`admin/documents/page.tsx`)
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**Upload section**
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- Drag-and-drop file input: accepts .pdf, .md, .txt
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- On upload: POST file to PocketBase storage →
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then POST to ingestion service `/ingest` with document metadata
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- Show upload confirmation with filename
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**Job status list**
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- Poll GET /status/:jobId every 3 seconds while status is not done/failed
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- Show per-job progress:
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- Status badge: queued / extracting / chunking / structuring / embedding / done / failed
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- Progress bar derived from chunksEmbedded / chunksTotal
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- On done: "N themes, N topics ready for review" → link to knowledge base
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- On failed: error reason in red, no retry (admin re-uploads)
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- Stop polling when status === 'done' or 'failed'
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**Document history**
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- List of all source_documents from PocketBase
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- Columns: filename, format, status, ingested_at, chunk_count
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---
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### Knowledge base page (`admin/knowledge/page.tsx`)
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Lists all Themes with status indicator.
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**Theme card**
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```
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[Theme title] [status badge: draft / published]
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N topics · from: filename.pdf
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[Approve batch] [Edit] [Reject]
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```
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Approve batch:
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- Calls PocketBase to set theme.status → 'published', all child topics → 'published'
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- Triggers generation service: POST /generate-all with themeId
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- Shows toast: "Generation queued for N topics"
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Reject:
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- Sets theme.status → 'rejected'
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- Removes from list
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Edit → navigates to `/admin/knowledge/[themeId]`
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**Theme detail page (`admin/knowledge/[themeId]/page.tsx`)**
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Displays all Topics in the Theme as editable cards.
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Topic card fields (all editable inline):
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- title (text input)
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- body (textarea — rich enough for paragraphs, no full rich text editor needed)
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- difficulty (select: introductory / intermediate / advanced)
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- key_terms (tag input — comma-separated)
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- related_topics (multi-select from published topics)
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- prerequisite_topics (multi-select)
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Save button per card — calls PocketBase PATCH on the topic record.
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Below topic list: [Approve batch] button — approves all topics in the theme.
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**Micro learning generation status**
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After batch approval, show generation status per topic:
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```
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Concept explainer ✓ published
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Scenario quiz ⏳ generating
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Comparison card ✓ published
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...
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```
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Poll micro_learnings collection filtered by topic until all 10 are published.
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---
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### Curriculum page (`admin/curriculum/page.tsx`)
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**Current curriculum view**
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26 weeks displayed as a list. Each week shows:
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```
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Week 7
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[Theme: Holacratic roles]
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Topics: Role definitions · Circle structure · Lead link responsibilities
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Estimated: 25 min
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[Edit week] [Admin notes]
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```
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**Regeneration banner**
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When a pending regeneration is queued:
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```
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⚠ 8 new topics added. A new curriculum version is ready to preview.
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[Preview changes] [Confirm regeneration] [Dismiss]
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```
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Preview: shows proposed schedule with diff highlighting — weeks that changed
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are highlighted, weeks that stay the same are dimmed.
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Confirm: calls POST /generate confirm on curriculum service →
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applies new version to all active employees.
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**Drag-to-reorder**
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Each week row is draggable. Reordering calls PATCH /weeks/:weekId on the
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curriculum service to swap theme assignments.
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**Admin notes**
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Inline text input per week — saved to curriculum_weeks.admin_notes.
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---
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## Employee app
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### Shell layout (`app/layout.tsx`)
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Bottom navigation bar (mobile-first):
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```
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[Session] [Library] [Profile]
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```
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R42 floating button: fixed position, bottom-right, above the nav bar.
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Z-index above all content.
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### Session page (`app/session/page.tsx`)
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**Week header**
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```
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Week 7 of 26 · Cycle 1
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[Theme title: Holacratic roles]
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[Progress bar: N of 26 weeks complete]
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```
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**Topic list**
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Each topic in the week's theme rendered as a card:
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```
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[Topic title]
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[difficulty badge] [estimated: 10 min]
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Choose how to learn this topic:
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[Concept explainer] [Scenario quiz] [How-to] ...
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(only published types shown as buttons)
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[Completed types: ✓ Concept explainer]
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```
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Selecting a type opens the micro learning inline (no navigation — expands in
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place on mobile). Employee reads/completes it, then taps [Mark complete].
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On mark complete:
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- POST to progress service `/complete`
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- Response displays: commits earned + any new badges as a toast notification
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- Topic card updates to show type as completed (✓)
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- All types in topic completable in one session
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**Week complete state**
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When all topics in the week have at least one completed type:
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```
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🚀 Week 7 complete
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You earned N commits
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[Continue to Week 8]
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```
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Continue button calls POST /advance/:userId on curriculum service.
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---
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### Micro learning components
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One component per type in `components/micro-learnings/`.
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Each receives the `content` JSON field from the micro_learnings record.
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| Component | Key interactions |
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|---|---|
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| ConceptExplainer | Render paragraphs + example — read only |
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| ScenarioQuiz | Select option → reveal explanation — stateful |
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| Misconceptions | Accordion: tap misconception to reveal correction |
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| HowTo | Numbered steps — tap step to check it off |
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| ComparisonCard | Two-column table — swipeable on mobile |
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| ReflectionPrompt | Open text area → reveal model answer on submit |
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| FlashcardSet | Flip card interaction — swipe through deck |
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| CaseStudy | Scenario text + open questions — read only |
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| GlossaryAnchor | Term card with definition + examples |
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| MythVsEvidence | Myth card → tap to reveal evidence |
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All components are self-contained. They receive content JSON and emit an
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`onComplete` callback. They do not call any services directly.
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```typescript
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type MicroLearningProps = {
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content: unknown // typed per component
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onComplete: () => void
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}
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```
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---
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### Knowledge library (`app/library/page.tsx`)
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**Browse view**
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All published topics, grouped by Theme.
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Search input: filters by title and key_terms in real time (client-side).
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Filter chips: by difficulty (introductory / intermediate / advanced).
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Each topic shown as a card:
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```
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[Topic title]
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[Theme] · [difficulty badge]
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[key terms as chips]
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```
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Tap → navigate to topic detail.
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**Topic detail (`app/library/[topicId]/page.tsx`)**
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```
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[Topic title]
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[Theme] · [difficulty]
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[Topic body — rendered as paragraphs]
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Key terms: [chip] [chip] [chip]
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Related topics: [card] [card]
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Prerequisite for: [card] [card]
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How to learn this topic:
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[micro learning type buttons — same as session view]
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```
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Completing a micro learning from the library records the completion via
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progress service. Week_number is set to the employee's current week.
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---
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### Profile page (`app/profile/page.tsx`)
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**Header**
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```
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[Display name]
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[Level badge: Junior] [N commits]
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[Current streak: 5 weeks] [Longest: 8 weeks]
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```
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**Heatmap**
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GitHub-style contribution graph.
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26 columns (weeks) × rows implied by completions per week.
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Cell colour: 0 completions = lightest, 5+ completions = darkest.
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Tap a cell → tooltip: "Week N · N completions".
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Scrollable horizontally on mobile if needed.
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Implementation: render as SVG or CSS grid — no charting library required.
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```typescript
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// Data from GET /profile/:userId → heatmap[]
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// Colour scale: 4 levels based on completions count
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// 0: var(--heatmap-0)
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// 1: var(--heatmap-1)
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// 2-3: var(--heatmap-2)
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||||
// 4+: var(--heatmap-3)
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||||
// Use CSS custom properties — values derived from stylesheet.css palette
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```
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**Badges**
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Grid of earned badges. Unearned badges shown as locked (greyed out).
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Tap badge → tooltip with award condition.
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||||
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```
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🥉 First commit ✓
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🥈 Five sessions ✓
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||||
🥇 On a streak 🔒 (13 week streak needed)
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⭐ Shipped 🔒
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---
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🏷 Governance nerd ✓
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🏷 Deep reader 🔒 (3/5 case studies)
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```
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||||
**Leaderboard tab**
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||||
Toggle between "My profile" and "Leaderboard".
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||||
Leaderboard: table of all employees from GET /leaderboard.
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||||
Columns: Name · Commits · Streak · Types used · Badges · Level.
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||||
Not ranked 1–N. No sorting by the user — display order is commits descending.
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Current employee row is highlighted.
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||||
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||||
**Activity feed tab**
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||||
Third tab: "Feed".
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||||
Milestone cards from GET /feed.
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||||
Most recent first.
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||||
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||||
```
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🚀 Alex shipped the full curriculum
|
||||
26 weeks · 847 commits · 3 badges
|
||||
Longest streak: 18 weeks
|
||||
[timestamp]
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## R42 chatbot components (`components/r42/`)
|
||||
|
||||
### R42Button
|
||||
|
||||
Fixed position, bottom-right, above bottom nav bar.
|
||||
Circle button with R42 label or icon.
|
||||
Tap → opens R42Drawer.
|
||||
|
||||
```tsx
|
||||
// Position: fixed, bottom: calc(nav-height + 16px), right: 16px
|
||||
// Z-index: above all content, below modals
|
||||
```
|
||||
|
||||
### R42Drawer
|
||||
|
||||
Slides up from bottom on mobile (sheet pattern).
|
||||
On desktop: expands to a side panel.
|
||||
|
||||
```
|
||||
[R42 header bar] [close ×]
|
||||
─────────────────────────────────────────────
|
||||
[Response area — scrollable]
|
||||
|
||||
Based on: [Holacratic roles ×] [Circle structure ×]
|
||||
─────────────────────────────────────────────
|
||||
[Type a question...] [Send →]
|
||||
```
|
||||
|
||||
**State machine:**
|
||||
```
|
||||
idle → loading (query sent) → streaming → done
|
||||
↘ out_of_scope
|
||||
```
|
||||
|
||||
**Streaming implementation:**
|
||||
|
||||
```typescript
|
||||
// POST /chat with fetch, read SSE stream
|
||||
const response = await fetch(`${CHAT_URL}/chat`, {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/json' },
|
||||
body: JSON.stringify({ query, userId })
|
||||
})
|
||||
|
||||
const reader = response.body!.getReader()
|
||||
const decoder = new TextDecoder()
|
||||
|
||||
while (true) {
|
||||
const { done, value } = await reader.read()
|
||||
if (done) break
|
||||
const lines = decoder.decode(value).split('\n')
|
||||
for (const line of lines) {
|
||||
if (!line.startsWith('data: ')) continue
|
||||
const event = JSON.parse(line.slice(6))
|
||||
if (event.type === 'chunk') appendText(event.text)
|
||||
if (event.type === 'citations') setCitations(event.topics)
|
||||
if (event.type === 'out_of_scope') setOutOfScope(event.text)
|
||||
if (event.type === 'done') setDone()
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
**Citations**
|
||||
Rendered as tappable pills below the response.
|
||||
Tap → closes R42Drawer, navigates to `/app/library/[topicId]`.
|
||||
|
||||
**Out of scope response**
|
||||
Render as a muted message (not an error state):
|
||||
"This doesn't appear to be covered in the knowledge base.
|
||||
You can browse the full library in the Knowledge section."
|
||||
|
||||
**Stateless by design**
|
||||
Conversation cleared on drawer close. No history persisted.
|
||||
Input cleared on send.
|
||||
|
||||
---
|
||||
|
||||
## Mobile-first layout rules
|
||||
|
||||
All layout decisions start at 375px and scale up.
|
||||
|
||||
- Bottom navigation: fixed, height 56px, icons + labels
|
||||
- R42 button: 48px circle, positioned above nav bar
|
||||
- Session topic cards: full width, stack vertically
|
||||
- Micro learning components: full width, no horizontal scroll except
|
||||
ComparisonCard (swipeable)
|
||||
- Heatmap: horizontal scroll container on narrow screens
|
||||
- Leaderboard table: horizontally scrollable on mobile, sticky name column
|
||||
- Drawer/sheet pattern for R42 on mobile, side panel on desktop (breakpoint: 768px)
|
||||
- Tap targets: minimum 44×44px on all interactive elements
|
||||
- No hover-only interactions — all hover states have tap equivalents
|
||||
|
||||
---
|
||||
|
||||
## Environment variables
|
||||
|
||||
```
|
||||
NEXT_PUBLIC_POCKETBASE_URL=http://localhost:8090
|
||||
NEXT_PUBLIC_INGESTION_URL=http://localhost:3001
|
||||
NEXT_PUBLIC_GENERATION_URL=http://localhost:3002
|
||||
NEXT_PUBLIC_CURRICULUM_URL=http://localhost:3003
|
||||
NEXT_PUBLIC_CHAT_URL=http://localhost:3004
|
||||
NEXT_PUBLIC_PROGRESS_URL=http://localhost:3005
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Dependencies
|
||||
|
||||
```json
|
||||
{
|
||||
"dependencies": {
|
||||
"next": "14",
|
||||
"react": "^18",
|
||||
"react-dom": "^18",
|
||||
"pocketbase": "^0.21",
|
||||
"next-pwa": "^5",
|
||||
"zod": "^3"
|
||||
},
|
||||
"devDependencies": {
|
||||
"typescript": "^5",
|
||||
"tailwindcss": "^3",
|
||||
"autoprefixer": "^10",
|
||||
"postcss": "^8",
|
||||
"@types/react": "^18",
|
||||
"@types/node": "^20"
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
No component library. No charting library. No drag-and-drop library —
|
||||
implement curriculum drag-to-reorder with native HTML5 drag API.
|
||||
The heatmap is SVG or CSS grid — no D3.
|
||||
|
||||
---
|
||||
|
||||
## TypeScript strict mode requirements
|
||||
|
||||
- No `any` types
|
||||
- All PocketBase collection responses typed against data-model.md schemas
|
||||
- All service API responses typed against response types from each service spec
|
||||
- Micro learning content JSON typed per type using discriminated union:
|
||||
|
||||
```typescript
|
||||
type MicroLearningContent =
|
||||
| { type: 'concept_explainer'; paragraphs: string[]; example: string }
|
||||
| { type: 'scenario_quiz'; scenario: string; options: QuizOption[] }
|
||||
| { type: 'misconceptions'; items: MisconceptionItem[] }
|
||||
// ... all 10 types
|
||||
```
|
||||
|
||||
- SSE event types as discriminated union
|
||||
- No implicit any on event handlers
|
||||
|
||||
---
|
||||
|
||||
## What the frontend does NOT do
|
||||
|
||||
- Does not run AI calls directly — all AI goes through backend services
|
||||
- Does not write to Qdrant — embedding is the ingestion service's responsibility
|
||||
- Does not implement auth logic — delegates entirely to PocketBase SDK
|
||||
- Does not implement curriculum generation — calls curriculum service
|
||||
|
||||
---
|
||||
|
||||
## Testing checkpoints
|
||||
|
||||
### Admin app
|
||||
1. Upload a PDF → ingestion job created → status polls and updates → done state shows link
|
||||
2. Theme batch appears after ingestion → approve → generation queued
|
||||
3. Edit a topic title and body → save → changes persisted in PocketBase
|
||||
4. Curriculum renders 26 weeks → drag week 3 and week 5 → order persists
|
||||
5. Regeneration banner appears → preview shows → confirm applies new version
|
||||
|
||||
### Employee app
|
||||
6. Login as employee → redirected to /app/session → correct week shown
|
||||
7. Select micro learning type → content renders → mark complete → commits toast shown
|
||||
8. Complete all topics in week → week complete state shown → advance to next week
|
||||
9. Library browse → search filters results → topic detail renders body + related topics
|
||||
10. Profile page → heatmap renders for current cycle → badges show locked/unlocked state
|
||||
11. Leaderboard tab → all employees shown → current employee row highlighted
|
||||
12. R42 button visible on every screen → opens drawer → question answered with citations
|
||||
13. R42 citation tap → navigates to correct topic in library
|
||||
14. Out-of-scope question → muted message shown, no citations
|
||||
15. All screens render correctly at 375px width — no horizontal overflow except
|
||||
intentional scroll containers
|
||||
Reference in New Issue
Block a user