v0.2.54

0.2.54

Features

• Rewind now works end-to-end across conversation and file state with proper CAS handling.

Bug Fixes

• Git branch icons now render correctly on Windows without Nerd Fonts.
• Mermaid diagrams now render inline without the model suggesting external viewers.
• MCP connection errors now show the actual failure reason to the model.
• MCP servers with noisy stdout no longer disconnect unexpectedly.
• Usage warnings now always display "Usage left: N%" instead of varying between "Free credits left" and "Credits left".
• Window title no longer flashes or oscillates during permission prompts while the terminal window is focused.

Performance

• Fixed pager freezes and 100% CPU usage when rendering very long agent reasoning outputs with thousands of styled spans.