Understand
Plain-English mental model.
LEARN
What do I need to understand to do FDE work well?
Begin with your path. Go deeper by skill, specialization, and depth. The content types are tools, not competing destinations.
Apply
Architecture, example, and choices.
Engineer
Implementation and failure modes.
Prove
Lab, evidence, and Field Report.
CANONICAL CONTENT
11
Primers
Focused prerequisite bridges with a clear enough-to-begin threshold.
Explore →15Concepts
What a production mechanism is and what it does not guarantee.
Explore →10Patterns
When to apply a reusable engineering decision, and its tradeoffs.
Explore →5Reference systems
How production architectures assemble the mechanisms.
Explore →5Field cases
Evidence-backed lessons from real operating contexts.
Explore →FLAGSHIP COURSE 001
Engineering Long-Running AI Agents
Situation → problem → primitive → mechanism → build → failure → tradeoff → prove.
Open Course 001 →- BUILD
- BREAK
- DIAGNOSE
- FIX
- PROVE
FLAGSHIP COURSE 002
Agentic AI System Design
Requirements → authority → topology → tools → context → durable state → security → evals → operations.
Open Course 002 →- LEARN
- SHIP
- RUN
- DESIGN
- DEFEND