https://interfacereport.com/analysis/multi-brand-design-system-architecture/Interface Reporten2026-09-23Multi-Brand Design Systems: Shared Rules, Distinct Identities https://interfacereport.com/analysis/shopify-polaris-cross-surface-design-system/Interface Reporten2026-09-23Shopify Polaris: One API Across Product Surfaces https://interfacereport.com/analysis/decagon-deco-ai-design-system-handoff/Interface Reporten2026-09-23Decagon Deco: An AI-Ready Design System in Practice https://interfacereport.com/analysis/when-a-prompt-can-ship-an-app-design-review/Interface Reporten2026-10-08When prompts ship apps, design moves to review https://interfacereport.com/analysis/design-system-is-an-instruction-file-for-agents/Interface Reporten2026-10-08Design systems become agent instruction files https://interfacereport.com/analysis/undo-is-the-feature-agent-products-are-missing/Interface Reporten2026-10-08Undo is the feature agent products still lack https://interfacereport.com/analysis/ai-evals-are-the-product-spec/Interface Reporten2026-10-12T10:30:00+00:00Evals are the product spec AI teams forget to write https://interfacereport.com/analysis/prompt-injection-is-an-interface-problem/Interface Reporten2026-10-12T10:30:00+00:00Prompt injection is an interface problem, not only a model bug https://interfacereport.com/analysis/ai-search-citations-saas-content/Interface Reporten2026-10-12T10:30:00+00:00When answers replace clicks, SaaS pages have to be worth citing https://interfacereport.com/analysis/claude-duet-proactive-agent-attention-ux/Interface Reporten2026-10-22T08:05:33+00:00Claude Duet Is Here. Your Attention Is the Interface. https://interfacereport.com/analysis/single-agent-loop-fewer-subagents/Interface Reporten2026-10-23T08:04:16+00:00Your AI Agent May Need Fewer Agents https://interfacereport.com/analysis/tanstack-ai-1-0-recovery-ux/Interface Reporten2026-10-24T08:03:44+00:00TanStack AI 1.0: What Happens After Reload? https://interfacereport.com/analysis/claude-google-cloud-operator-choice/Interface Reporten2026-10-25T09:06:37+00:00Claude on Google Cloud: Who Runs Your API? https://interfacereport.com/analysis/aaif-agent-standards-portability-test/Interface Reporten2026-10-26T09:06:04+00:00Open Agent Standards Need a Portability Test