Add a mockgen invocation to generate a MockWorkItemTrackingClient for the
Azure DevOps workitemtracking v7 package.

Add Azure DevOps workitemtracking client support to the azdo client
factory and interface. This adds the workitemtracking import, a new
WorkItemTracking method to the ClientFactory interface, and the
WorkItemTracking implementation in the clientFactory to create a
workitemtracking client from a connection.

Add generated GoMock for the workitemtracking Client and update the
connection factory mock to expose WorkItemTracking.

Return any error from enc.AppendObject while encoding RemoteSet.
Previously errors were ignored which could mask encoding failures;
propagate the error so callers can handle logging failures appropriately.

Return any error from zapcore.ArrayEncoder.AppendObject instead of
ignoring it. This prevents silently dropped encoding errors when marshaling
remote entries and ensures callers receive the failure for proper handling.

Add ParseProjectScope to parse arguments in the form
[ORGANIZATION/]PROJECT. When organization is omitted the default
organization from the user's configuration is used. The parser trims
whitespace, validates non-empty segments, and returns clear errors for
invalid input. This centralizes project scope parsing for command usage.

Add a new 'boards iteration' command group with a 'project'
subgroup and a 'list' command to enumerate iteration/classification
nodes for a project.

…ist` command

… AGENTS.md