Added comprehensive search and filtering for execution history:
- Search bar to filter by command text, execution ID, or workflow name
- Status filter dropdown (All, Running, Completed, Failed, Waiting)
- Real-time client-side filtering as user types
- Filter statistics showing X of Y executions
- Clear Filters button to reset all filters
- Extracts command text from logs for quick command searches
- Maintains all executions in memory for instant filtering
- Terminal-themed filter UI matching existing aesthetic
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>