Restructure the migrate codex CLI output:
- Split into separate Before (preview) and After (result) messages
so each can be tuned independently. Both render through clack's
log.message so they pick up the standard '|' gutter.
- Group items by kind (Skills, Plugins, Memory, Secrets, Archive,
Manual review, Other) instead of one flat list. Hide config items
from display and exclude them from the summary count.
- Drop the internal kind/action tag (e.g. 'manual/manual'), strip
'<kind>:' id prefixes and trailing ':N' disambiguators, and use
'•' for bullets.
- Mute parenthetical action text.
- In result mode: replace status text with emoji (✅ migrated,
❌ error, ⏭️ skipped, ⚠️ conflict), show '(Migrated)' on success,
show humanized failure reasons for known codes (plugin_missing,
marketplace_missing, etc.), say '(Skipped)' for user-deselected
skill/plugin items but keep the real message on manual-review
skips. Drop warnings from the result message.
- In preview mode: omit the 'Next' section and move warnings to
the bottom. Use generic action descriptions ('Copy Codex skill
into OpenClaw', 'Install Codex plugin into OpenClaw').
- Drop the redundant 'Codex cached plugin bundles remain
manual-review only.' warning — covered by the source-installed
warning above it.
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