Display word definitions alongside "thinking" indicator labels

Preflight Checklist

• [x] I have searched existing requests and this feature hasn't been requested yet
• [x] This is a single feature request (not multiple features)

Problem Statement

The thinking indicators displayed during processing (e.g. "Cogitated," "Deliberated," "Ruminated") use uncommon vocabulary that many users will not recognize, leaving the label meaningless during what is otherwise an idle moment.

Proposed Solution

Display a brief definition alongside each thinking indicator label, either as a hover tooltip or as a small subtitle beneath the word. Example: "Cogitated — to think deeply and carefully about something."

Alternative Solutions

_No response_

Priority

Low - Nice to have

Feature Category

Interactive mode (TUI)

Use Case Example

A non-technical user notices the word "Ruminated" appear while Claude is processing. Rather than ignoring it or pausing to search the definition elsewhere, they see a subtle subtitle reading "to think over something slowly and at length" — learning the word passively without interrupting their workflow.

Additional Context

_No response_