Why it matters

Typed outputs enable safe downstream processing. Java records aid.

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The architecture

Define record: fields + types.

Prompt: JSON schema from record.

Parse: Jackson.

Typed output flowRecordtarget typePromptwith schemaParseJackson deserializeRecords + Jackson give compile-time schema + runtime validation
Typed pipeline.
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How it works end to end

Record: immutable + concise.

Jackson: bind JSON to record.

Validation: bean validation annotations.