v0.7.1

fix(tui): handle generated filter validation and external viewing

- validate generated Roto filters as generated filters instead of persistent ones
- fix open-edit request counting in DetailActionBus
- add external_view_command support for opening selected detail files
- wire global W shortcut for external viewing
- save generated filters silently before opening them externally from the editor
- improve external body viewing for compressed and SSE captures
- document external viewer/editor caveats for terminal UI programs