3 commits

Author	SHA1	Message	Date
Graham McIntire	9eb85faebd	Add 4 new retailer scrapers for broader price coverage ... Add True Shot Ammo (Shopify JSON), Palmetto State Armory (Magento HTML), Bulk Ammo (Magento HTML), and Natchez Shooters Supply (GraphQL API). Extends scraper infrastructure with HttpClient.post_json/3 and an optional fetch/2 callback on the Scraper behaviour for scrapers that need custom HTTP flows (e.g. GraphQL POST requests).	2026-03-12 10:00:59 -05:00
Graham McIntire	16a28ac01c	Add Target Sports USA scraper, product filtering, and subsonic detection ... - Add subsonic boolean field to products with composite filter indexes - Add TextDetector utility for detecting subsonic/casing from product titles - Wire TextDetector into SgAmmo (casing + subsonic) and LuckyGunner (subsonic + fallback casing) - Extend latest_prices_for_caliber with casing, grain_weight, and subsonic filter options - Add distinct_grain_weights_for_caliber and distinct_casings_for_caliber queries - Add filter UI with toggleable casing, grain weight, and subsonic buttons - Add grain weight column and subsonic badge to product table - Refresh filter options on PubSub price updates for real-time UI - Implement Target Sports USA scraper with 18 caliber mappings - Display all prices in dollar format ($0.38 instead of 38¢)	2026-03-11 16:28:04 -05:00
Graham McIntire	bbe5bde145	Initial implementation of ammo price tracker ... Phoenix 1.8 app that scrapes ammunition retailers (Lucky Gunner, SGAmmo) for price data and displays historical price trends. - Data model: retailers, calibers, products, price snapshots - Scraper infrastructure with Req, Floki, realistic browser headers - Oban-scheduled scrape jobs (every 4h with randomized delays) - LiveView pages: homepage with category cards, caliber detail with price table, Chart.js price history, and price stats banner - 18 seeded calibers across handgun/rifle/rimfire/shotgun categories - 77 tests	2026-03-11 15:58:12 -05:00