fix(vscode): remove balance chip from session header

[johnnyeric]

Context

Remove the balance chip from the session header so the header only shows session-specific usage stats.

Implementation

Removed the BalanceChip import and render from TaskHeader. Added a patch changeset for the visible VS Code extension change.

Screenshots / Video

How to Test

Manual/local verification

• Codex ran bun run format from packages/kilo-vscode/.
• Codex ran bun run typecheck from packages/kilo-vscode/.
• Codex ran bun run lint from packages/kilo-vscode/.
• Pre-push hook ran bun turbo typecheck --filter=!@kilocode/kilo-jetbrains successfully.

Reviewer test steps

1. Open a Kilo session in the VS Code extension.
2. Confirm the session header no longer shows the balance chip.
3. Confirm cost/model usage stats still render when available.

Blocked checks and substitute verification

• None.

Checklist

• Issue linked above, or exception explained
• Tests/verification described
• Screenshots/video included for visual changes, or marked N/A
• Changeset considered for user-facing changes
• I personally reviewed the diff and can explain the changes, including any AI-assisted work.

Get in Touch

[kilo-code-bot]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

Files Reviewed (2 files)

• .changeset/remove-balance-session-chip.md
• packages/kilo-vscode/webview-ui/src/components/chat/TaskHeader.tsx

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_{Review guidance: REVIEW.md from base branch main}