* Simplify chat input: hide attachments bar, move context usage widget
- Hide attachments bar by default, only show with manual attachments
- Remove Add Files button entirely
- Stop rendering implicit context pill (data still collected/sent)
- Move context usage pie widget from top-right to bottom toolbar
- Make input editor 2 lines tall by default (non-compact mode)
* fix: chat input toolbar icons use icon-foreground instead of foreground
- Move Add Context action to ChatInput menu alongside tools button
- Fix theme-2026 styles.css override that stomped toolbar codicon color
with --vscode-foreground; now uses --vscode-icon-foreground
- Add matching icon-foreground override in chat.css for specificity safety
- Switch context usage indicator from pie chart to stroke-based ring
- Account for context usage widget width in toolbar layout calculation
- Set explicit ordering for toolbar sections (input, context usage, execute)
* fix: remove unused isAttachmentAlreadyAttached method and dead imports
* fix: derive input min height from editor options instead of hardcoded values
* fix: remove dead ChatInputAttachmentToolbar menu registration
* fix: show attach context in execute toolbar for quick chat, not input toolbar
David Dossett
4eb8f169e5