RTL support: text wrongly indented and font is hard to read

[uriva]

Description

When using OpenCode with RTL (Right-to-Left) languages, there are two issues:

1. Text is wrongly indented — RTL text does not align correctly, causing indentation/layout problems in the terminal output.
2. Font is very hard to read — The rendered text in RTL mode is difficult to read, likely due to font rendering or character spacing issues in the TUI.

Expected behavior

• RTL text should be properly right-aligned and indented correctly.
• RTL text should be rendered in a legible, readable manner.

Environment

• Tool: OpenCode CLI

[github-actions]

This issue might be a duplicate of existing issues. Please check:

• RTL language support (Persian/Arabic) - characters appear reversed and disconnected #16875: RTL language support (Persian/Arabic) - characters appear reversed and disconnected (open bug report with similar symptoms)
• [FEATURE]: Add RTL support in UI to Hebrew & Arabic #14257: [FEATURE]: Add RTL support in UI to Hebrew & Arabic (open feature request)
• [FEATURE]:Add Hebrew (he) localization with RTL layout support #21676: [FEATURE]: Add Hebrew (he) localization with RTL layout support (open feature request)
• [FEATURE]:RTL support! #9255: [FEATURE]: RTL support! (closed)
• [FEATURE]: Support for RTL languages #6284: [FEATURE]: Support for RTL languages (closed)

Please review these issues and consider adding your details there instead if they cover the same problem.