Mar 3

1. 06:05

   fix: React hooks order violation (useState before useEffect)

   CardioScreen AI
   8f78b71
2. 05:43

   feat: mobile responsive layout + light/dark mode toggle

   CardioScreen AI
   4a627f0
3. 04:23

   Initial commit: CardioScreen AI v1.0 - Canine cardiac screening tool

   CardioScreen AI
   2c59c0c