Good thing Pussy and agent Bond changed a bit right before the end (4,7)
I believe the answer is:
cats pyjamas
'bit right before the end' is the definition.
I know nothing about this answer so I can't judge whether this works.
'good thing pussy and agent bond changed a' is the wordplay.
I cannot quite see how this works, but
'pussy' could be 'cat' (I've seen this in another clue) and 'cat' is located in the answer.
'agent' could be 'spy' (spy is a kind of agent) and 'spy' is present in the answer.
'a' is present in the answer.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Another definition for cats pyjamas that I've seen is " The greatest thing".)