Add Claude Code project settings with default allowed tools

Add optional Dataview plugin installation to setup.sh

Add session analytics, token cost tracking, and /session-stats command

Add folder-styles CSS snippet with emoji icons and color highlights

Add "Why Obsidian?" section to README

Add Buy Me a Coffee button below tagline

Add token architecture section and BRAIN title with colored AI highlight

Modernize Highlights section with colored shields badges

Condense Contents section to single horizontal line

Add demo.sh, graph screenshot, and shell alias tip

Add Personal/Professional/Both architecture branching

Rename presales to commercials and expand README use cases to 20

Add 12 thinking partner slash commands

Enhance README with badges, use cases, and visual elements

Add Obsidian + Claude Code vault scaffolding with setup.sh