# Specification: Context Batch Operations UX

## Overview
Add multi-select and batch state modification capabilities to the Context Panel to allow rapid wrangling of large numbers of files (e.g., setting 20 C++ files to 'AST Signatures' at once).

## Acceptance Criteria
- [ ] Context panel supports multi-select (Shift-click, Ctrl-click, or checkboxes).
- [ ] A batch operations context menu or action bar allows applying states (Force Full, Summary, AST Signatures, Remove) to all selected items.
- [ ] Selections persist correctly during UI refreshes.
