# Bark Spot: Comprehensive Reference Guide & System Specifications
> The ultimate companion app, wellness logger, and emergency recovery platform for pets.

Bark Spot provides pet owners, co-hosts, and sitters with a secure, zero-surveillance platform to manage pet wellness logs, care reminders, private household coordination, and rapid emergency recovery through a proximity-based Lost & Found dispatch network.

## System Features & Specifications

### Emergency Dispatch & Proximity Lost & Found
- **Proximity Lost & Found Board**: Public registry displaying actively missing pets filtered by geospatial coordinates (Haversine formula) and US State/Region facets.
- **1-Click Missing Pet Alerts**: Instant snapshot aggregation combining pet profile photos, distinguishing features, microchip ID, collar description, and recent logs into an emergency report.
- **Instant Emergency Dispatch**: Automated high-priority push notifications dispatched with `forceVip: true` to owners, co-hosts, household members, active sitters, accepted friends, and nearby squad members.
- **Dynamic Digital Flyers**: Print-ready (`@media print`) and downloadable missing pet flyers featuring live QR codes linking directly to the real-time sightings timeline.
- **Community Sighting Waypoints**: Interactive Leaflet maps allowing good samaritans to report GPS pins, observation notes, and photos of spotted pets.

### Pet Wellness & Health Logging
- **Multi-Category Logs**: Record meals, potty breaks, medication administration, physical activities, and veterinary health incidents.
- **Overdue & Scheduled Care Routines**: Automated time-of-day reminders and routine recurrence tracking for daily pet maintenance.
- **Health Metrics & Charts**: Continuous tracking of weight trends, height metrics, and vaccination histories.

### Household Delegation & Sitter Permissions
- **Multi-Tier Role Scoping**: Support for Owners, Co-Owners, and Sitters with granular access to specific pets or all household pets.
- **Time-Bound Sitter Passes**: Sitter access tokens and permissions that automatically expire upon the conclusion of sitting windows.
- **Shared Activity Feeds**: Unified photo streams and status updates scoped to squads and household circles.