Included a section summarizing key techniques and philosophies from 'The High Availability Blueprint: Designing Systems That Never Sleep', covering redundancy, load balancers, database replication, failover patterns, rate limiting, and geographic distribution for high uptime.

Added the Newsletter #75 post with technical interview, microservices, Linux kernel, and load balancer insights. Updated AGENTS.md to clarify language usage and remove command examples. Extended allowed Bash commands in settings.local.json to include powershell.