Applications and Integration

6 build exercises to practise the concepts in this domain.

2.1 — Derive the Chain for a Real Workload

How to write a business requirement that contains no system behaviour
How to derive functional requirements a test could verify
How to derive infrastructure requirements against a stated architecture using documented limits
How to spot the requirement a proposal implies but never states

2.2 — Write the Maintenance Plan Before Go-Live

How to assign real activities to life cycle phases
How to separate recurring work from one-off work
How to read the deprecation page as a maintenance input
How to write a migration runbook before it is urgent

2.3 — Touch Every Mechanism Once

How to read stop_reason and usage instead of guessing from symptoms
How the documented SSE event sequence arrives in practice
How a cache breakpoint turns creation tokens into read tokens
How the tool_use / tool_result wire shape round-trips
How batch results stream back with per-request result types

2.4 — Build the Fan-Out Three Ways

How serial, unbounded and bounded fan-outs behave against a real rate limit
How SDK default retries interact with hand-rolled backoff
How prompts and schemas ride the same review pipeline as code
How to argue the realtime-versus-batch call from an actual deadline

2.5 — Re-Found a Prototype on the Blank Slate

How to write the system prompt a claude.ai prototype silently relied on
How to enclose untrusted input behind a machine-checkable boundary
How to define, instruct against and validate an output contract
How to scope sessions and name what carries between them

2.6 — Audit One Repository's Configuration Surface

How to enumerate every behaviour-bearing artefact in a real repository
How to place files correctly across the tracked-versus-local boundary
How to build the per-environment configuration record
How to rehearse a model migration in the right sequence