feat: add dependency-management skill with full integration

feat: add dependency-management skill

docs: update README with new expert tools and conversation mode instructions

feat: add Antigravity Conversation Mode (Planning/Fast) instructions to skills and workflows

docs: add browser agent skill implementation plan

feat: integrate SuperClaude panel and discovery tools natively

verb: improve workflow slash command descriptions

fix: add missing YAML frontmatter to workflow files

fix: apply spec panel suggestions (retry limit, selector strategy, JS safety note)

feat: list browser-agent skill in GEMINI.md bootstrap rules

docs: add browser-agent to README skills table

feat: add browser-agent to using-superantigravity skill matching examples

fix: browser-agent skill quality review fixes (C1, I1, I2, I3)

feat: add browser-agent skill for Antigravity browser subagent

rename: Liftoff → SuperAntigravity across all files and folders