[Amber] Claude Opus 4.5 is not available in chat despite being selected when session was created

[Daniel-Warner-X]

Issue Description

When I create a new session and select Claude Opus 4.5 the resulting chat UI displays this message:

I would like the chat session to actually use Claude Opus 4.5.

Files to Fix (optional)

No response

Fix Type

All of the above

Confirmation

• I understand this will create an automated PR
• The changes are low-risk and reversible
• All tests should continue to pass after fixes

[github-actions]

Amber Change Summary

The following files were modified:

 .../claude-code-runner/tests/test_model_mapping.py | 144 ++++++++++++++++++++-
 components/runners/claude-code-runner/wrapper.py   |  37 +++++-
 2 files changed, 173 insertions(+), 8 deletions(-)

Next Steps:

• Review that changes match the issue description
• Verify no scope creep or unintended modifications
• A PR will be created shortly for formal review

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[github-actions]

🤖 Amber has created a pull request to address this issue: #436

The changes are ready for review. All automated checks will run on the PR.

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🔍 View AI decision process (logs available for 90 days)