[Feature]: Runtime errors should surface the actual error

[tyteen4a03]

Before submitting

• I searched existing issues and did not find a duplicate.
• I am describing a concrete problem or use case, not just a vague idea.

Area

apps/desktop

Problem or use case

Currently, if the Claude agent returns a Runtime error, there is no way to debug the actual error.

Proposed solution

It should be possible to view the runtime error's details.

Why this matters

This is so I can debug the runtime error.

Smallest useful scope

It should be possible to view the runtime error's details.

Alternatives considered

No response

Risks or tradeoffs

No response

Examples or references

No response

Contribution

• I would be open to helping implement this.