Claude Code 2.1.19 አውርድ

- Added env var CLAUDE_CODE_ENABLE_TASKS, set to false to keep the old system temporarily
- Added shorthand $0, $1, etc. for accessing individual arguments in custom commands
- Fixed crashes on processors without AVX instruction support
- Fixed dangling Claude Code processes when terminal is closed by catching EIO errors from process.exit() and using SIGKILL as fallback
- Fixed /rename and /tag not updating the correct session when resuming from a different directory (e.g., git worktrees)
- Fixed resuming sessions by custom title not working when run from a different directory
- Fixed pasted text content being lost when using prompt stash (Ctrl+S) and restore
- Fixed agent list displaying "Sonnet (default)" instead of "Inherit (default)" for agents without an explicit model setting
- Fixed backgrounded hook commands not returning early, potentially causing the session to wait on a process that was intentionally backgrounded
- Fixed file write preview omitting empty lines
- Changed skills without additional permissions or hooks to be allowed without requiring approval
- Changed indexed argument syntax from $ARGUMENTS.0 to $ARGUMENTS[0] (bracket syntax)
- [SDK] Added replay of queued_command attachment messages as SDKUserMessageReplay events when replayUserMessages is enabled
- [VSCode] Enabled session forking and rewind functionality for all users