[BUG] Claude Mobile App forces Opus 4.7 (1M) regardless of user model selection

Preflight Checklist

• [x] I have searched existing issues for similar behavior reports
• [x] This report does NOT contain sensitive information (API keys, passwords, etc.)

Type of Behavior Issue

Claude modified files I didn't ask it to modify

What You Asked Claude to Do

[BUG] Claude Mobile App forces Opus 4.7 (1M) regardless of user model selection

What Claude Actually Did

[BUG] Claude Mobile App forces Opus 4.7 (1M) regardless of user model selection

Expected Behavior

[BUG] Claude Mobile App forces Opus 4.7 (1M) regardless of user model selection

Files Affected

Permission Mode

Accept Edits was ON (auto-accepting changes)

Can You Reproduce This?

Yes, every time with the same prompt

Steps to Reproduce

_No response_

Claude Model

Opus

Relevant Conversation

Impact

Critical - Data loss or corrupted project

Claude Code Version

??

Platform

Anthropic API

Additional Context

_No response_