get_discussion not returning whether discussion is open/closed #1303

The get_discussion tool is not correctly returning discussion state information. The implementation is missing key fields that indicate whether a discussion is open, closed, or answered.

No Discussion Status: The current implementation doesn't include fields that would indicate:

• Whether the discussion is answered (isAnswered)
• The discussion state (open/closed)
• Answer information (answeredAt, answerChosenAt)

Inconsistent with Issues: The issues.go implementation properly includes a State field in its GraphQL queries and data structures, but discussions do not.

Affected version

5e5e80a

Expected vs actual behavior

get_discussion should be consistent with get_issue and report if the discussion is open/closed