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Appendix: Compressed Tenets & Working Principles

The people this book is for are not waiting for the field to stabilize. They are the interdisciplinary thinkers: the ones who see connections across domains, who understand flows and algorithms at an intuitive level, who can think in terms of design and systems but may never have written production code at scale. The shift this book supports is from executing tasks to designing systems, from producing outputs to producing evidence, from controlling every step to knowing which steps require your judgment. That shift is what makes AI useful in high-stakes, accountable work -- not speed, not automation for its own sake, but comprehension and accountability at the point where it matters.

The tenets and principles that follow operationalize that shift. They are not a checklist. They are a frame for thinking about design decisions when the right answer is not obvious. Use them as a lens, not a recipe.

Compressed Tenets

Strategic alignment — what matters.

  1. Trust defines the mission

  2. Data precedes models

  3. Deliver capability quickly

  4. Governance must enable execution

  5. Humans remain accountable

  6. Defensibility is required

  7. Adapt continuously

  8. Build internal capability

  9. Experiment under control

  10. Infrastructure enables delivery

Working Principles

Practitioner rules — how to act.

  1. If it cannot be explained, do not use it

  2. Slow governance prevents delivery

  3. Adoption determines impact

  4. Build lineage before scale

  5. Reuse data before collecting more

  6. Access defines capability

  7. Security is a system property

  8. Outputs require full provenance


Chapter-to-Principle Mapping

ChapterPrimary Working Principle(s)Primary Tenet(s)
Ch 1: Why Design MattersAll (introduction)All (introduction)
Ch 2: Classification & CodingAdoption determines impactDeliver capability quickly
Ch 3: Data Wrangling & StandardizationReuse data before collecting moreData precedes models
Ch 4: Detection & ExtractionIf it cannot be explained, do not use itHumans remain accountable
Ch 5: Ensemble & Multi-ModelOutputs require full provenanceDefensibility is required
Ch 6: Parallel, Serial, BottleneckAdoption determines impactDeliver capability quickly
Ch 7: Checkpoints & RecoveryBuild lineage before scaleExperiment under control
Ch 8: Evaluation by DesignIf it cannot be explained, do not use itDefensibility is required
Ch 9: State, Drift, ValidityOutputs require full provenanceTrust defines the mission
Ch 10: State Mgmt & ProvenanceBuild lineage before scaleDefensibility is required
Ch 11: Workflow OrchestrationAccess defines capabilityInfrastructure enables delivery
Ch 12: Security & Supply ChainSecurity is a system propertyTrust defines the mission
Ch 13: Institutional DeploymentSlow governance prevents deliveryGovernance must enable execution
Ch 14: Cost & PracticalitySlow governance prevents deliveryInfrastructure enables delivery