https://starcite.ai/blog Technical deep-dives on real-time agent sessions, event ordering, and the infrastructure behind AI UIs that don't break. en-us Tue, 17 Feb 2026 00:00:00 GMT https://starcite.ai/blog/why-agent-uis-lose-messages-on-refresh https://starcite.ai/blog/why-agent-uis-lose-messages-on-refresh Tue, 17 Feb 2026 00:00:00 GMT SSE resume resumable SSE cursor-based streaming AI chat messages disappear duplicate messages reconnect SSE vs WebSocket EventSource reconnect Last-Event-ID Redis Streams cursor useChat resume real-time agents