1. Object Design 12 Thoughts Roles, contracts, collaboration, and construction decisions for code that must keep changing.
  2. Domain Discovery and Integration 6 Thoughts Finding boundaries with people, language, context maps, and explicit integration relationships.
  3. Application Boundaries and Persistence 6 Thoughts Ports, composition, repositories, mapping, reconstitution, and concurrency at the storage boundary.
  4. Commands, Events, and Processes 9 Thoughts How requested work, accepted facts, queues, projections, and long-running processes change application contracts.
  5. Testing for Confidence 7 Thoughts Choosing evidence, boundaries, doubles, contracts, and mutations that can expose the defects that matter.
  6. Service Boundaries and Ownership 5 Thoughts Decomposition, deployment boundaries, architectural enforcement, and ownership shaped by real change.
  7. Laravel Performance and Operations 6 Thoughts Measured decisions about requests, caches, workers, queries, and long-lived Laravel processes.
  8. Release Engineering 4 Thoughts Turning commits, reviews, release decisions, and changelogs into durable delivery evidence.
  9. Observability and Deployment 2 Thoughts Operator questions, compatibility boundaries, rollback limits, and the evidence required to change production safely.
  10. Software Supply Chain Security 3 Thoughts Authority, provenance, dependency selection, executable inputs, and credential scope across the delivery path.
  11. Engineering Decisions and Leadership 3 Thoughts Recording constraints, reversal conditions, risk, capacity, and ownership without hiding the trade-offs.
  12. AI as an Engineering Instrument 3 Thoughts Using AI to shorten evidence and learning loops while keeping comprehension, authority, and decisions human-owned.