Buddy species/description mismatch after account email change

Description

After changing my Claude Code account email (due to a team change), the /buddy companion's species and rarity changed (turtle → goose, uncommon → common), but the name ("Shingle") and description remained from the old buddy — still referencing "turtle."

Steps to reproduce

1. Have an existing /buddy (e.g., an uncommon turtle named "Shingle")
2. Change account email (e.g., due to team change)
3. Run /buddy

Expected behavior

All buddy fields (species, rarity, name, description, stats) should be consistent — either fully preserved from the old account or fully regenerated for the new one.

Actual behavior

• Species: changed (turtle → goose) ✅ regenerated
• Rarity: changed (uncommon → common) ✅ regenerated
• Name: unchanged ("Shingle") ❌ stale
• Description: unchanged ("A jittery turtle...") ❌ stale — still references the old species

Screenshot

The buddy card shows "GOOSE" as the species but the description says "A jittery turtle with preternatural debugging instincts..."

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Environment

• Claude Code CLI
• macOS