Routine resettlements of software rights drag endlessly (15)

I believe the answer is:

straightforward

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'routine' is the definition.
Both the definition and answer are adjectives. Maybe there's an association between them I don't understand?

I don't understand how the remainder of the clue works.

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(Other definitions for straightforward that I've seen before include "Uncomplicated" , "Right on!" , "Clear" , "Plain sailing" , "Easy to understand" .)

I've seen this clue in The Hindu.

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