v0.6.0

Changelog

• 04857f7 Add brainstorm: permissions subcommand
• 7dfaccf Fix MCP server enabled status in permission tool selector
• 190253e Fix review findings: scope passthrough, error propagation, dedup
• 7d5ab6d Polish perm show: add colors and bypass hint
• a60cd18 Update brainstorm overview
• 130f859 WIP: save before ship
• 4285e87 feat(cmd): add permissions subcommand with apply, show, reset