7f3079bf2f
- Added streamed tool intent display in working message to show real-time intent tracking during agent execution. - Changed intent tracing field name from `$intent` to `_intent` across tool schemas and agent core for consistency. - Added support for file deletion and renaming operations in hashline edit mode. - Renamed hashline edit operation fields: `set` to `target`/`new_content`, `set_range` to `first`/`last`/`new_content`, `insert` to `inserted_lines`.