HHarrison GuoOct 12 · 14 min readObservability and Billing for AI API Calls: A T-Shaped ArchitectureAdding AI API calls to an existing backend is where most teams' observability and billing instincts break. The calls look similar to any other RPC — send a JSON request, receive a JSON response. The dharrisonsec.hashnode.dev
HHarrison GuoOct 8 · 8 min readUse-After-Free Is a Lifetime Bug, Not a C BugUse-after-free gets taught as a C problem. The lesson lands as "C lets you touch freed memory, so C is dangerous, so use a safer language." That is true and it is also the wrong lesson, because it hidharrisonsec.hashnode.dev
