https://safer-capstone.pages.dev/developer-docs/api-reference/db/Recent content in db/ on SAFER DocumentationHugoenhttps://safer-capstone.pages.dev/developer-docs/api-reference/db/cpmdb/Mon, 01 Jan 0001 00:00:00 +0000https://safer-capstone.pages.dev/developer-docs/api-reference/db/cpmdb/<h2 id="purpose">Purpose</h2> <p>This module provides a lightweight persistence layer for storing and querying CPM (cost-per-mile / cost-per-thousand impressions) history using Expo SQLite.</p> <p>It is responsible for:</p> <ul> <li>Initializing a local SQLite database</li> <li>Persisting timestamped CPM values</li> <li>Querying recent CPM history</li> <li>Enforcing bounded storage retention</li> <li>Providing structured logging for database operations</li> </ul> <p>The module is designed to be safe for repeated initialization and concurrent usage across the application lifecycle.</p>https://safer-capstone.pages.dev/developer-docs/api-reference/db/debuglogdb/Mon, 01 Jan 0001 00:00:00 +0000https://safer-capstone.pages.dev/developer-docs/api-reference/db/debuglogdb/<h2 id="purpose">Purpose</h2> <p>This module provides a persistent local logging system using Expo SQLite.</p> <p>It is intended for development and diagnostics in environments where standard console access is unavailable, especially:</p> <ul> <li>background tasks</li> <li>suspended app execution</li> <li>device testing without Xcode/ADB attached</li> <li>production-adjacent debugging</li> </ul> <p>The module stores structured debug logs in SQLite and automatically initializes itself on first use.</p>https://safer-capstone.pages.dev/developer-docs/api-reference/db/sensorhistorydb/Mon, 01 Jan 0001 00:00:00 +0000https://safer-capstone.pages.dev/developer-docs/api-reference/db/sensorhistorydb/<h2 id="purpose">Purpose</h2> <p>This module provides persistent local storage for historical core temperature sensor readings using Expo SQLite.</p> <p>It is designed to:</p> <ul> <li>record timestamped temperature samples</li> <li>retain recent history within a fixed time window</li> <li>support historical trend analysis</li> <li>provide efficient local persistence for sensor telemetry</li> </ul> <p>The module uses a lightweight SQLite-backed rolling history store optimized for append-heavy workloads.</p>https://safer-capstone.pages.dev/developer-docs/api-reference/db/weathercachedb/Mon, 01 Jan 0001 00:00:00 +0000https://safer-capstone.pages.dev/developer-docs/api-reference/db/weathercachedb/<h2 id="purpose">Purpose</h2> <p>This module provides a persistent SQLite-backed weather forecast cache using Expo SQLite.</p> <p>It is responsible for:</p> <ul> <li>storing forecast data by grid cell and forecast hour</li> <li>validating cached payload integrity</li> <li>supporting efficient point lookups</li> <li>tracking row access recency</li> <li>implementing LRU-based cache eviction</li> <li>providing durable offline weather forecast access</li> </ul> <p>The cache is optimized for repeated forecast reads across spatial cells and hourly forecast windows.</p>