fix(smartexit): use native OS methods to kill process trees; remove tree-kill dependency

changelog.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## 2026-03-04 - 2.0.3 - fix(smartexit)
+use native OS methods to kill process trees; remove tree-kill dependency
+
+- Replaced tree-kill usage with taskkill on Windows and process.kill(-pid) on POSIX.
+- Removed tree-kill package from dependencies and removed its export from plugins.
+- Handle ESRCH (no such process/group) as non-error when killing process groups.
+- Ensure trackedPids is cleared when a child process is removed.
+
 ## 2026-03-03 - 1.1.1 - fix(shutdown)
 kill full child process trees and add synchronous exit handler to force-kill remaining child processes