Add comprehensive tests for AgentTypeForm component covering:
- Model Tab: temperature, max tokens, top p parameter inputs
- Permissions Tab: tab trigger and content presence
- Personality Tab: character count, prompt pre-filling
- Status Field: active/inactive display states
- Expertise Edge Cases: duplicates, empty, lowercase, trim
- Form Submission: onSubmit callback verification
Coverage improved from 78.94% to 87.71% statements.
Some Radix UI event handlers remain untested due to JSDOM limitations.