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Results of 1/19 discussion:
Need a service to return the participants in the Challenge, optionally filtered by whether they are in some Team, annotated by whether they are the admin on the Team.
Team Registration Rule:
To register a Team for a Challenge one must (1) be a registered Challenge participant, AND (2) be an administrator (captain) of the Team.
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B. It is a valid Team Submission, i.e. (1) it has a Team ID of a registered Team, (2) the Team hasn't exceeded its per-round submission limit, (3) all contributors are registered for the challenge and are on the specified Team at the time of submission, and (4) neither the submitter nor any contributor has made an individual Submission or was the submitter of or contributor to a Team Submission having a different Team ID in the current round.
Given a User and a Challenge, need a service to return a paginated list of teams which the user is on and which either (1) they are an admin or (2) the team is already registered for the challenge. More Generally we need a list of Teams either (1) on whose behalf the user is eligible to submit or (2) on whose behalf the user WOULD be eligible to submit if the Team has been registered for the Challenge, and which the User CAN register for the Challenge.
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