[BUG] Renders extra `mailto` in email addresses

Environment

• Platform (select one):
• [x] Anthropic API
• [ ] AWS Bedrock
• [ ] Google Vertex AI
• [ ] Other: <!-- specify -->
• Claude CLI version: 1.0.31 (Claude Code)
• Operating System: macOS
• Terminal: Ghostty

Bug Description

⏺ You're absolutely right! I mistakenly included mailto: in my examples. That's not how email
  addresses are stored - they're just plain email strings like "mailto:john.smith@company.com", not
  "mailto:mailto:john.smith@company.com".

  The correct examples should be:

  - User: "John Smith", Email: "mailto:john.smith@company.com" → "John's Organization"
  - User: "", Email: "mailto:jane.doe@example.com" → "jane.doe's Organization"
  - User: "   ", Email: "mailto:user123@gmail.com" → "user123's Organization"
  - User: null, Email: null → "Personal" (auth.ts) or "" (dialog)

  Thanks for catching that error in my documentation! The actual code implementation is correct - it
  just uses user.email which contains the plain email address.

Steps to Reproduce

1. Open Claude Code
2. Prompt: can you respond to me with some example email addresses?

Expected Behavior

Output raw email addresses

Actual Behavior

They're prefixed with mailto for some reason:

⏺ Here are some example email addresses:

  - mailto:john.doe@example.com
  - mailto:sarah.smith@company.org
  - mailto:alex.johnson@tech-startup.io
  - mailto:maria.garcia@university.edu
  - mailto:david.brown@consulting.biz
  - mailto:lisa.wilson@nonprofit.org
  - mailto:michael.davis@government.gov
  - mailto:jennifer.lee@healthcare.net

Additional Context

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