Pernickety person — kind inside (4)

I believe the answer is:

type

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'pernickety person kind inside' is the definition.
I can't judge whether this definition defines the answer.

'pernickety person kind inside' is the wordplay.
'inside' indicates a hidden word.
'TYPE' can be found hidden inside 'pernickety person kind'.

Can you help me to learn more?

(Other definitions for type that I've seen before include "Category; use keyboard" , "Write letters" , "Class, kind or category" , "Print - classification" , "Thing or person of a specified kind" .)

I've seen this clue in The Times.

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