fix: resolve gosec integer overflow and unconvert issues

- Fix G115 integer overflow by converting uint32 to int comparison
- Remove unnecessary int() conversions for syscall constants
- syscall.Stdin/Stderr/Stdout are already int type

internal/secret/debug.go

@@ -36,7 +36,7 @@ func InitDebugLogging() {
 	_, _, _ = syscall.Syscall(syscall.SYS_FCNTL, os.Stderr.Fd(), syscall.F_SETFL, syscall.O_SYNC)
 
 	// Check if STDERR is a TTY
-	isTTY := term.IsTerminal(int(syscall.Stderr))
+	isTTY := term.IsTerminal(syscall.Stderr)
 
 	var handler slog.Handler
 	if isTTY {