v1.3.1

Changelog

• cdf7438 feat: add update and uninstall CLI subcommands
• 10642ca chore: add explicit step-by-step progress logging to install.sh
• 43b3d4a chore: enhance install.sh to suggest shell-specific path setup instructions
• bf13715 chore: add ascii banner to installer script
• 2a04c46 test: refine mock specifications and update test cases
• 20fd209 v1.3.1: support OpenCode reasoning/effort config, fix backup behavior, and add version to TUI
• 2b70496 feat: validate endpoint/key fields, fix edit/backup switching profiles, and rework selection styling
• 964dea5 docs: update project layout and roadmap to reflect v1.3.0