Kubernetes
Pods, deployments, services, ingress, config, secrets, observability, security contexts, and Pod Security Standards.
clusters / workloads / networking / policy
§3 · Systems I Understand
Systems map.
A deeper index for technical areas, debugging notes, operating principles, and future writeups.
Observability
Metrics, logs, traces, dashboards, alerting, SLOs, incident debugging, Prometheus, Loki, Grafana, and OpenTelemetry.
signals / dashboards / incidents / SLOs
AI agents
Tool boundaries, memory, deterministic workflows, evaluation, human approval loops, and agentic debugging surfaces.
tools / memory / evals / control
iOS architecture
SwiftUI, navigation, app state, local models, Supabase clients, maps, and humane interaction details.
SwiftUI / state / maps / mobile UX
Backend APIs
Auth, validation, database contracts, background work, integration edges, rate limits, and deployable service boundaries.
contracts / auth / jobs / reliability
Databases
Schema design, indexes, RLS, migrations, analytics queries, Postgres extensions, and data modeling from product behavior.
Postgres / RLS / indexes / analytics
Security
Secrets, least privilege, input boundaries, data access rules, transport assumptions, and operational blast radius.
trust / secrets / RLS / blast radius
Personal finance automation
Expense ledgers, transaction parsing, category drift, compounding habits, and software that makes tradeoffs visible.
ledger / parsing / habits / wealth