https://convomargin.pages.dev/ 2026-08-20 https://convomargin.pages.dev/blog/ 2026-08-20 https://convomargin.pages.dev/blog/unlimited-ai-features-kill-saas-margins.html 2026-08-20 https://convomargin.pages.dev/blog/which-department-burns-ai-budget.html 2026-08-20 https://convomargin.pages.dev/blog/is-support-ai-costing-more-than-tickets.html 2026-08-20 https://convomargin.pages.dev/blog/every-prompt-can-pick-a-different-model.html 2026-08-20 https://convomargin.pages.dev/blog/compact-json-schemas-cut-prompt-cost.html 2026-08-20 https://convomargin.pages.dev/schemas/prompt-receipt.json 2026-08-20 https://convomargin.pages.dev/build-log.html 2026-08-20