PRD.md•3.3 kB
# 📘 PRD: Next.js Journaling App
## Overview
A minimal, fast, and intelligent journaling app built with **Next.js**. The app empowers users to log daily reflections, track emotional and productivity patterns, and optionally use AI features for summaries, insights, and coaching prompts. Designed for clarity, speed, and focus.
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## Goals
- ✅ Allow users to create, edit, and delete daily journal entries
- 🧠 Integrate optional AI features for summarization, mood analysis, and self-coaching
- 📈 Provide visual insights (charts, tags, moods over time)
- 🔒 Ensure privacy-first journaling (local-first or encrypted cloud storage)
- 📱 Mobile-first responsive UI
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## Key Features
### 1. Journaling Core
- [ ] Create/edit/delete journal entries (rich text & markdown)
- [ ] Tag entries (custom tags, e.g., `#gratitude`, `#focus`)
- [ ] Mood slider or emoji selector
- [ ] Time-based view (calendar / timeline / list)
- [ ] Full-text search
### 2. AI-Powered Insights (optional)
- [ ] Summarize journal entries
- [ ] Extract patterns (e.g., “You feel most productive on Tuesdays”)
- [ ] Suggest reflection prompts based on recent entries
- [ ] Mood trend detection
### 3. Data Visualization
- [ ] Mood over time (chart)
- [ ] Tag frequency
- [ ] Word cloud / common themes
### 4. Authentication & Storage
- [ ] Sign in with email + magic link or social login
- [ ] Optional local-first journaling (e.g., IndexedDB)
- [ ] Cloud sync using Supabase, Firebase, or similar
- [ ] End-to-end encryption for sensitive content
### 5. UI/UX
- [ ] Dark/light mode
- [ ] Mobile responsive design
- [ ] Minimalist editor interface
- [ ] Keyboard-first UX (for fast entry)
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## Tech Stack
| Layer | Tech |
|-------------------|---------------------------------------|
| Frontend | Next.js, Tailwind CSS, TypeScript |
| Auth | NextAuth.js / Clerk / Supabase Auth |
| Database | Supabase / PostgreSQL |
| AI Integration | OpenAI API / Local LLM Option |
| Data Sync | Supabase / Firebase |
| Storage (optional) | LocalForage or IndexedDB |
| Charts | Recharts / Chart.js |
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## Pages
- `/` → Welcome / onboarding
- `/journal` → Daily entries (list view + create entry)
- `/entry/[id]` → Single entry (edit/view)
- `/stats` → Visualizations and insights
- `/settings` → Theme, storage, AI toggle, privacy
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## Milestones
### Phase 1: MVP (Core Journaling)
- [ ] Entry creation/editing
- [ ] Calendar view
- [ ] Tags + mood tracker
- [ ] Auth & local storage
### Phase 2: AI & Visuals
- [ ] Summary and insights
- [ ] Charts + word cloud
- [ ] Prompt suggestions
### Phase 3: Pro Mode
- [ ] Encrypted cloud storage
- [ ] Offline mode
- [ ] Daily reminder emails
- [ ] Export to PDF/Markdown
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## Stretch Features
- Voice-to-text journaling
- Daily quote + prompt generator
- “Year in Review” smart journal export
- Gamification (streaks, XP, badges)
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## Success Metrics
- 90% of users create entries at least 3 times/week
- Average session length > 5 min
- >70% opt-in to AI features after first use
- <1 sec load time on mobile