feat: add ASCII pet companion and reset countdown animations

feat: show version number at right end of status bar in dim style

chore: bump version to 2.4.3

feat: check for updates per session instead of per day

fix: use used_percentage for context window display instead of cumulative tokens

fix: simplify reset time format - omit 0h when under 1 hour

feat: iPhone-style battery bar with background colors for percentage display

refactor: cleaner status bar - remove percentages, group labels with bars

chore: bump version to 2.3.0

feat: add 7-day countdown timer to status bar

fix: add --refresh to force uv to bypass PyPI index cache

fix: web installer now always gets latest version from PyPI

fix: strip redundant (1M context) from model name when showing ctx usage

fix: use cached rate_limits on session start instead of showing --%

fix: show placeholders instead of upgrade warning on session start