Add shared paginate() helper with total count to all list endpoints. Add request logging middleware (method, path, status, duration, IP). Add data retention service with configurable thresholds and CLI command.
Flask API backend for ESP32 sensor fleet: - App factory pattern with blueprints - SQLAlchemy 2.x models (Sensor, Device, Sighting, Alert, Event, Probe) - UDP collector for sensor data streams - REST API endpoints for sensors, devices, alerts, events, probes, stats - pytest setup with fixtures - Containerfile for podman deployment - Makefile for common tasks
