Got it.
1. First time out of many O'Brien escaped the station using his vast knowledge to evade security.
2. We see shrouding ability a lot more later.
3. The hunt is entertainment.
4. They updated the rules that the alpha quadrant is out of bounds.
5. Intruders appear on the ship to hunt Tosk.
6. The dabo girl didn't read her contract about the sex clause.
7. The hunt was a big disappointment.
8. Tosk turned invisible in the cell.
9. Alpha quadrant is now out of bounds.
10. Being captured is a great humilitation
11. One day as a Tosk is enough for O'Brien.
12. O'Brien should have been caught but somehow got away.
13. The first to come from the gamma quadrant.
14. The hunt has resumed.
15. The dabo girl won't be held to the sex part of the contract.
16. Tosk will be thrown scraps of food.
17. The clues regarding a contract are unrelated to the A story. (1 and 15)
18. Tosk escaped through the wormhole.