Add detailed project documentation for ThrillWiki

Adds a new `replit.md` file containing comprehensive documentation for the ThrillWiki project, outlining its overview, tech stack, system architecture (frontend, backend, image management), and user preferences.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: f44f1d1b-1dd8-407b-8603-db12902e1a15
Replit-Commit-Checkpoint-Type: full_checkpoint
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2025-10-04 14:30:12 +00:00
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# ThrillWiki - Theme Park & Ride Encyclopedia
## Overview
ThrillWiki is a comprehensive web application for discovering, reviewing, and tracking theme parks, rides, and related entities worldwide. Built as a community-driven encyclopedia, it allows users to explore parks, submit reviews, upload photos, and contribute content through a moderated submission system.
**Core Purpose:** Provide enthusiasts with a centralized platform to research theme parks, roller coasters, and attractions while building a collaborative knowledge base through user contributions and reviews.
**Tech Stack:**
- Frontend: React + TypeScript with Vite
- UI Framework: Radix UI + Tailwind CSS (shadcn/ui)
- Backend: Supabase (PostgreSQL + Auth + Storage + Realtime)
- Image Storage: Cloudflare Images (via Edge Functions)
- Notifications: Novu (multi-channel notification system)
- File Uploads: Uppy
- State Management: TanStack Query (React Query)
## User Preferences
Preferred communication style: Simple, everyday language.
## System Architecture
### Frontend Architecture
**Component Structure:**
- Layout components (Header, Footer, AdminHeader) provide consistent navigation
- Page-level components for major routes (Parks, Rides, Profile, Admin)
- Reusable UI components from shadcn/ui library
- Custom domain components (parks, rides, manufacturers, reviews, moderation)
**State Management:**
- TanStack Query for server state and caching
- React Context for authentication state (AuthProvider)
- Custom hooks for business logic (useAuth, useUserRole, useSearch, useUnitPreferences)
- Realtime subscriptions for live updates (moderation stats, submissions)
**Routing:**
- React Router v6 with nested routes
- Dynamic slug-based routes for entities (parks/:slug, rides/:rideSlug)
- Protected admin routes with role-based access control
**Design System:**
- HSL-based color system with CSS variables
- Dark/light theme support via ThemeProvider
- Custom gradients and effects for "thrill" aesthetic
- Inter font family for typography
- Responsive design with mobile-first approach
### Backend Architecture
**Database Schema (Supabase PostgreSQL):**
- Core entities: parks, rides, companies (manufacturers/designers/operators/property_owners)
- Location system with hierarchical data (countries, states, cities)
- Review and rating system with moderation
- User profiles with privacy controls and preferences
- Content submission workflow with approval queue
- Image metadata tracking (linked to Cloudflare)
- Notification preferences and templates
**Authentication & Authorization:**
- Supabase Auth for user management
- Magic link and email/password authentication
- Cloudflare Turnstile CAPTCHA for bot protection
- Role-based access control (user, moderator, admin, superuser)
- Row-level security (RLS) policies for data access
- Profile field-level privacy controls
**Content Moderation System:**
- Two-tier submission workflow (submission → submission_items)
- Dependency tracking for related entities (rides depend on parks)
- Conflict resolution for duplicate/missing entities
- Realtime updates for moderation queues
- Automated slug generation with uniqueness checks
- Status tracking (pending, approved, rejected)
**Data Access Patterns:**
- Security definer functions for privileged operations
- Complex joins for entity relationships (parks with rides, operators, locations)
- Aggregated data (ratings, review counts, ride counts)
- Full-text search capabilities
- Realtime subscriptions for live data updates
### Image Management
**Cloudflare Images Integration:**
- Upload via Supabase Edge Function proxy
- Two-step upload process (get URL → upload file)
- Multiple image variants for responsive display
- Assignment system for entity images (banner, card, gallery)
- Local preview support before upload
- Image metadata stored in Supabase
**Upload Workflow:**
- Uppy dashboard for multi-file uploads
- Image editor integration for cropping/adjustments
- Progress tracking and status updates
- Entity-specific galleries (parks, rides, companies)
- Automatic resizing and optimization via Cloudflare
### Notification System (Novu)
**Architecture:**
- Multi-channel delivery (in-app, email, push, SMS planned)
- Workflow-based templates (review replies, new followers, system announcements)
- Per-workflow user preferences
- Frequency controls and digest settings
- Subscriber management via Supabase Edge Functions
- Headless notifications with custom UI
**Migration Strategy:**
- Backward compatibility with legacy notification preferences
- Automatic migration from old email/push settings
- Granular channel and workflow controls
- Delivery tracking and analytics
### Search & Discovery
**Multi-Entity Search:**
- Unified search across parks, rides, and companies
- Autocomplete with debounced queries
- Recent search history (localStorage)
- Category and type filtering
- Advanced filters (technical specs, stats, location)
**Location Features:**
- Automatic unit conversion (metric/imperial)
- Geo-based preferences with auto-detection
- Distance and measurement system preferences
- Temperature unit preferences
### User Management
**Profile System:**
- Customizable usernames with validation
- Display names and avatars (Cloudflare Images)
- Bio and personal information
- Privacy controls for fields (date of birth, location, pronouns)
- Home park selection
- Activity tracking (reviews, submissions)
**User Blocking:**
- Block/unblock functionality
- Hidden content from blocked users
- Privacy-respecting implementation
**Role Management:**
- Hierarchical permission system
- Superuser can manage all roles
- Admin can manage moderators
- Moderator can manage content
- Role-specific UI elements and routes
### Admin & Moderation
**Moderation Queue:**
- Realtime submission monitoring
- Item-level approval/rejection
- Dependency conflict resolution
- Bulk actions support
- Status tracking and filtering
**Admin Settings:**
- System-wide configuration (Novu integration, etc.)
- Category-based settings organization
- Audit trail for changes
- Superuser-only access
**Reports System:**
- User-generated content reports
- Status workflow (pending, reviewed, resolved)
- Moderator actions tracking
## External Dependencies
### Third-Party Services
**Supabase:**
- PostgreSQL database with RLS
- Authentication and user management
- Real-time subscriptions
- Edge Functions for serverless logic
- Storage for metadata (images stored on Cloudflare)
**Cloudflare:**
- Cloudflare Images for media storage and transformation
- Direct upload API integration
- Automatic image optimization
- Multiple variant support for responsive images
**Novu:**
- Multi-channel notification delivery
- Workflow management and templates
- Subscriber preferences
- Headless notification center
- Email, push, and in-app notifications
**Uppy:**
- File upload interface
- Image editor integration
- Progress tracking
- Dashboard UI component
- XHR upload transport
**Additional Services:**
- Cloudflare Turnstile for CAPTCHA
- Google Fonts (Inter)
- Radix UI for accessible components
### API Integrations
**Supabase Edge Functions:**
- `upload-image`: Proxy for Cloudflare Images upload
- `trigger-novu-notification`: Send notifications via Novu
- `sync-novu-subscriber`: Manage Novu subscribers
- `sync-novu-preferences`: Sync notification preferences
**Database Functions (PostgreSQL):**
- `can_view_profile_field`: Privacy check for profile fields
- `get_user_management_permissions`: Role-based permissions
- Security definer functions for privileged operations
- Trigger functions for automated tasks
### Environment Configuration
**Required Variables:**
- `VITE_NOVU_APPLICATION_IDENTIFIER`: Novu app ID
- `VITE_NOVU_SOCKET_URL`: Novu WebSocket endpoint
- `VITE_NOVU_API_URL`: Novu API endpoint
- Supabase credentials (injected by hosting platform)
- Cloudflare Images API credentials (stored in Supabase secrets)
**Feature Flags:**
- Theme persistence via localStorage
- Unit preferences (metric/imperial)
- Auto-detection for location-based settings
- Notification channel preferences