fix: replace mkdir with setup-project script for deterministic init

fix: move user.md + CLAUDE.md creation to session-start hook (deterministic)

fix: move all init instructions into command file directly

fix: radically simplify init skill - put 5-file requirement at top

fix: merge nickname+CLAUDE.md into same phase as steering generation

fix: enforce Phase 4 (nickname + CLAUDE.md) with HARD-GATE

feat: make init Q&A use interactive selection UI (AskUserQuestion)

fix: restructure init skill to force Q&A before any file creation

fix: remove disable-model-invocation from all commands

fix: remove duplicate hooks declaration from plugin.json

feat: generate CLAUDE.md at project root during init

feat: ask user nickname at end of init, default to "baby"

feat: session-start hook injects full steering + workflow guidance

fix: align plugin format with superpowers conventions

fix: enforce Simplified Chinese output across all skills