Synced from monorepo

Synced from monorepo

Changes:
- Resolve client filesystem operations against the bound session's working directory
- Surface image capabilities on conversation metadata
- Resolve Grok home from USERPROFILE on Windows
- Preserve plan-mode prompt drafts across approval
- Make grok-4.6 the bundled default model
- Bound toolOverrides echo so session creation cannot hang on a wedged actor
- Open free-tier upgrade CTA on Apple Terminal Ctrl+O
- Add SuperGrok Plus to free-usage upsell
- Hooks: support updatedInput on PreToolUse
- Run pager commands typed into a queued-row edit
- Tell hooks when the user stops a turn
- Surface silent scheduled-task expiry in the transcript with a typed removal reason
- Send queued messages immediately via interject
- Drag-select to copy on /session-info
- Preserve late subagent lifecycle events
- Default text selection to word select; triple-click selects paragraph
- Let hosts turn off the session-search index
- Add web_search allowed/excluded domain configuration

Source-Revision: e6a67a5408288c98380cd13f3b1fe1fbc01c9f1f