Setup tips & tricks — Linear × CMA webhook bridge Things that aren't obvious from the docs and tend to cost debugging time. --- Mental model A webhook is "call me when something happens" It's just an HTTP POST a service sends to a URL you gave it, with a small JSON body describing an event. You register the URL once; the service calls it whenever the event fires. No polling, no held-open connections. The bridge is mandatory (today) Linear's Agent Platform and CMA don't share a wire format or credentials. Something has to translate "Linear @mention" → "CMA user.message" on the way in, and "CMA…