Personal blog of Bill Zuo (Yunfei Zuo), Founder & CEO at Softprobe. Insights on eliminating observability indexing tax, agent QA, DuckLake telemetry, and generative engine optimization.https://billzuo.com/en-usCopyright 2026 Bill Zuohttps://billzuo.com/blog/context-over-index-what-ai-agents-need/https://billzuo.com/blog/context-over-index-what-ai-agents-need/Why traditional APMs and prompt stacking fail autonomous coding agents, and why full runtime context graphs are the true fuel for production AI.Thu, 24 Sep 2026 00:00:00 GMTagent-qaai-infrastructureobservabilitycontext-engineeringducklakeBill Zuo (@billzwo)https://billzuo.com/blog/the-200x-observability-indexing-tax/https://billzuo.com/blog/the-200x-observability-indexing-tax/Why traditional log warehouses force teams to discard 90% of their runtime data, and how a session-graph architecture on S3/DuckLake collapses observability costs.Wed, 23 Sep 2026 00:00:00 GMTobservabilityfinopscloud-computingdistributed-systemsai-infrastructureBill Zuo (@billzwo)https://billzuo.com/blog/generative-engine-optimization-geo-guide/https://billzuo.com/blog/generative-engine-optimization-geo-guide/How to architect a modern engineering blog for generative answer engines using semantic microdata, high information density, and machine-readable feeds.Mon, 21 Sep 2026 00:00:00 GMTgeoseoai-infrastructureastrocloudflareBill Zuo (@billzwo)https://billzuo.com/blog/fast-session-lists-without-abandoning-forever-evidence/https://billzuo.com/blog/fast-session-lists-without-abandoning-forever-evidence/How Softprobe keeps agent session triage snappy while the lake stays the single source of truth.Fri, 18 Sep 2026 00:00:00 GMTobservabilityagent-qadistributed-systemsducklakeBill Zuo (@billzwo)