- Fix: Auto-refresh after wake from sleep (3-second delay)
- Fix: Auto-retry on keychain errors (3 attempts, 2-sec delay each)
- Fix: Auto-retry on network errors (3 attempts, 3-sec delay each)
- UI: Added "Created by @richhickson" credit line in footer

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>