[BUG] /agents displays a different model than the agent is instructed to use.

Environment

• Platform (select one):
• [ ] Anthropic API
• [ ] AWS Bedrock
• [ ] Google Vertex AI
• [x] Other: Claude Code

• Claude CLI version: 1.0.70 (Claude Code)
• Operating System: macOS 15.1.1
• Terminal: iTerm2

Bug Description

When I look over the agent's .md file, I see that the agent uses:
model: claude-opus-4-1-20250805 however when using /agents in CC, it reports sonnet. (

Steps to Reproduce

1. Create an agent and give it model: claude-opus-4-1-2025080
2. save and reload CC, so that it recognizes agent changes
3. open CC again and type /agents

Expected Behavior

I would expect /agents to reflect opus

Actual Behavior

the /agents list determines that the agent is using "sonnet"

Additional Context

<img width="554" height="308" alt="Image" src="https://github.com/user-attachments/assets/8a39a2de-e61b-476c-adcc-ba7d0ff21a9d" />

<img width="752" height="403" alt="Image" src="https://github.com/user-attachments/assets/bded2c8f-efd6-4f18-ac2a-d7ef9ea57dd3" />