fix: plan mode system message should ask user to switch mode

[uinstinct]

Description

Ask the user to change to agent mode when in plan mode and wants to make changes. This avoids the agent hallucinating.

closes CON-4929

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Summary by cubic

Update the plan mode system message to ask the user to switch to agent mode if they want to make changes. This prevents write actions in plan mode and reduces hallucinations (CON-4929).

^{Written for commit 7decd43. Summary will update automatically on new commits.}

[cubic-dev-ai]

No issues found across 1 file

[sestinj]

🎉 This PR is included in version 1.31.0 🎉

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[sestinj]

🎉 This PR is included in version 1.5.1 🎉

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[sestinj]

🎉 This PR is included in version 1.35.0 🎉

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[sestinj]

🎉 This PR is included in version 1.6.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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