chore: bump version to 0.6.0

feat(context): auto-detect 1M context window from model name

chore: bump version to 0.5.0

feat(progress-bar): add blue color mode option

docs: update changelog for config persistence

feat(config): persist settings across package upgrades

fix(progress-bar): eliminate visual artifacts with background overlay

feat(config): add showFirstLine option to hide session info

fix(progress-bar): eliminate spacing from color code transitions

docs: update docs for v0.2.0 features

feat(progress-bar): add fractional blocks and 15-char option

feat(git): color-code additions/deletions

refactor(config): move useIconLabels to display section

init