feat(#2): Challenge mode with multi-user leaderboards
Some checks failed
CI / test (pull_request) Failing after 0s
fix: broken streaks tests + add 10 e2e CLI tests (84 total)
Some checks failed
CI / test (pull_request) Failing after 1s
feat: predefined habit templates
All checks were successful
CI / test (pull_request) Successful in 10s
feat: add GitHub-style ASCII streak visualization
All checks were successful
CI / test (pull_request) Successful in 10s