Rename to AI Tagger for future multi-provider support
- Change name from "Claude AI Tagger" to "AI Tagger"
- Update all CSS classes from claude-tagger to ai-tagger
- Update setting names and descriptions to be provider-agnostic
- Prepare codebase for supporting multiple AI providers
🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>