Module executor 

Subprocess runner for hook commands.

Hooks are executed as shell subprocesses. The command receives JSON on stdin and communicates results via exit codes and optional JSON on stdout.

Exit codes:

• 0: Success (operation proceeds)
• 2: Block (operation is denied)
• Other: Error (logged, operation proceeds)

Structs

HookExecutor

Executes hook commands as subprocesses.

HookResult

Result from executing a single hook command.