When a member-started thread root @mentions the assignee agent, replies
in that thread should trigger on_comment — the thread is a conversation
with the agent, not a member-to-member chat.
Previously isReplyToMemberThread only checked the reply content for
assignee mentions. Now it also checks the parent (thread root) content.
This fixes a gap where path 1 (on_comment) suppressed the trigger and
path 2 (on_mention) skipped the assignee, leaving no trigger path.
@all is a broadcast to all workspace members — it should not trigger
the assignee agent's on_comment. Previously @all was treated as
"includes everyone" and allowed the trigger.
Changes:
- commentMentionsOthersButNotAssignee now checks HasMentionAll() early
and returns true (suppress) when @all is present
- Fix authRequestWithAgent test helper that was making a duplicate HTTP
request (one as member, one as agent)
Tests: 5 new @all unit test cases, 2 new @all integration test cases.