v0.preview.58

v0.preview.58 - 2026-07-15

• Add a /config settings dialog to the TUI
• Fall back to CLAUDE.md for project instructions when no AGENTS.md exists
• Fix persisted model effort restoration and ambient settings drift
• Preserve parse error details when loading user model catalogs
• Render agent output text in the theme foreground color
• Improve session shutdown reliability by cancelling and draining background session tasks before the session ends
• Unify TUI state ownership across modals, pickers, the status line, and terminal size to prevent stale rendering after resizes and modal transitions
• Update the pinned offline llama.cpp engine to build b9986
• Remove a stale xAI model catalog alias
• Refresh the mascot logo pixel art