shipped an agent feature in our mobile app last month after 3 months of work. writing this because the "build it myself or hire a shop" question is the one I was stuck on in january and there's almost no honest writing on this. context. productivity tool for freelance contractors (human kind, not dev). agent reads the user's calendar, pulls unpaid invoices, proposes follow-ups or schedule changes. one-tap approve. task-completion, not chat. closer to the openai operator pattern. m...