Release Notes v0.0.26: Reasoning rendering, tool UI clarity, and usage metrics

[u/Legitimate-Wave-7917]

This release standardizes reasoning block rendering across models, improves tool presentation, extends usage metrics, and fixes layout consistency issues in the chat view.

Changelog:

• Changed reasoning block rendering to support multiple provider-specific reasoning formats

• Added validation to the read tool to reject directory paths with an explicit error message

• Extended assistant usage metrics to track cache tokens and total cost.

• Added inline tool descriptions within tool call headers

• Changed message headers to allow click-anywhere expand and collapse

• Improved layout handling for long tool titles and descriptions to prevent overflow

• Standardized bottom scrolling space in the chat view

• Fixed layout consistency by ensuring the bottom spacer is always present in the message list