fix(tui): resolve shell carriage-return redraws

[starSumi]

Related Issue

No linked issue. This is a focused bug fix for shell output that redraws the current terminal line with carriage returns.

Problem

Captured shell output is sanitized before pi-tui renders it. The sanitizer currently removes carriage returns as ordinary control characters, so redraw sequences such as frame1\rframe2\rframe3 become frame1frame2frame3 instead of the terminal-visible final frame, frame3.

That makes progress output grow and wrap unnecessarily in the live and final shell output views.

What changed

Resolve carriage-return redraws after stripping terminal escape sequences and before removing other C0 control characters. This keeps CRLF line endings as newlines while simulating same-line overwrite behavior for progress updates.

Added regression coverage for equal-length redraws, shorter partial overwrites, and CRLF normalization.

Validation

• pnpm --filter @moonshot-ai/kimi-code exec vitest run test/tui/utils/shell-output.test.ts
• pnpm exec oxlint apps/kimi-code/src/tui/utils/shell-output.ts apps/kimi-code/test/tui/utils/shell-output.test.ts
• pnpm --filter @moonshot-ai/kimi-code run typecheck

Checklist

• I have read the CONTRIBUTING document.
• I have linked a related issue, or explained the problem above.
• I have added tests that prove my feature works.
• Ran gen-changesets skill, or this PR needs no changeset.
• Ran gen-docs skill, or this PR needs no doc update.

[changeset-bot]

🦋 Changeset detected

Latest commit: ff70fc9

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@moonshot-ai/kimi-code	Patch

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[chatgpt-codex-connector]

Honor erase-in-line when resolving carriage returns

For redraws that clear the current line, such as Downloading 100%\rDone\u001b[K or Downloading 100%\r\u001b[KDone, this strips ESC[K before simulating the carriage return, so resolveCarriageReturns preserves the old suffix and produces output like Doneloading 100% instead of the terminal-visible Done. This affects common progress renderers that combine \r with erase-in-line, leaving stale tails in the live and final shell output views.

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