While I wont be a condescending as some in this thread despite that you still wont care what I have to say but...
This is all info you could have found out before doing the missions. I did a very similar thing recently in the Aditi system. Same thing as quince but empire owned and closer to the bubble. Its still just 2 occupied systems with nothing else around it. I knew that after I did my scan missions that I would be wanted and would have to find an IF. I looked it up before hand. Its over 100ly but not as bad as Quince. Regardless. There is no "trap" you were not "tricked" you just forgot to check for an IF before you started illegal missions and got yourself into a bad situation. Could have been avoided or mitigated with better planning. Now you know though so it wont happen again.
This is all info you could have found out before doing the missions. I did a very similar thing recently in the Aditi system. Same thing as quince but empire owned and closer to the bubble. Its still just 2 occupied systems with nothing else around it. I knew that after I did my scan missions that I would be wanted and would have to find an IF. I looked it up before hand. Its over 100ly but not as bad as Quince. Regardless. There is no "trap" you were not "tricked" you just forgot to check for an IF before you started illegal missions and got yourself into a bad situation. Could have been avoided or mitigated with better planning. Now you know though so it wont happen again.