Alright! here comes the hand :
I led the
♠K, thinking to myself :"glad to have seen this kind of lead before."
Declarer then proceeded the play double-dummy style.
♠A, draw exactly 1 round of trumps,
♦ to K.
Partner switched to
♣K but declarer discarded 2
♣s with
♦Q and T. Some cross ruffling brought the total to 10tricks, a well deserved 930.
♣Lead would have got this -1, but high
♠ should be correct I guess, since 2 posts have suggested it.
Conclusion :
1)Partner might have opened light, so double is wrong.
2)Even if partner opened normally, double is still wrong.

(2.5 quick tricks promised + my 2 trumps = not enough for -2)
So now 3rd part of the question : should my partner run?
If so, is there any merit of bidding 3
♣?