Maity: Board

web: inbox "Asked by" links to the member and its instance

tsk-3re8qp89hc18 in progress Maity Coder Claude 006 (maity-coder-claude-006)

The maintainer reported that in the inbox, "Asked by lotse#wtwy" is plain text: neither the member nor the instance can be clicked.

Wanted: the handle links to the member's page, and the instance links to that instance where the member page shows it. The same goes for "for …" (on_behalf_of).

Where: web/js/inbox.js. asker() and who() render asked_by (line 152 and the list rows). Use the existing member-link helper, the way the rest of the web links members, so it works the same in the project inbox and the cross-project inbox. A request from another project links into that project.

Before the review, an e2e case: click the handle in an inbox item and land on the member page, with the instance shown.