Why I Built an AI Fortune-Telling App With Zero Domain Knowledge
Part 1 of 3: A big-tech engineer's journey into building PanPanMao -- an AI-powered Chinese metaphysics platform with 9 verticals, 1,134 commits in 29 days, and zero domain knowledge.
The PanPanMao Story
3 parts · Feb 18, 2026 – Feb 18, 2026
From 5 Standalone Apps to a Unified Platform in 29 Days
Part 2 of 3: The technical build of PanPanMao across 4 phases -- monorepo consolidation, testing and branding, monetization, and the milestone rush. 1,134 commits, 85 endpoints, 9 verticals.
What I Learned Shipping a Real Product as a Solo AI-Augmented Developer
Part 3 of 3: Honest lessons from building PanPanMao. AI bridging domain knowledge (with caveats), product vs engineering, the agentic coding workflow, and the era of the solo AI-augmented builder.