[Capability] Preserve optional content fields in PromptResultFormatter - #406
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[Capability] Preserve optional content fields in PromptResultFormatter#406chr-hertel wants to merge 2 commits into
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The formatter's typed-content path rebuilt each Content object from only its required fields, silently dropping everything else a prompt returned (annotations on every type, _meta and explicit mimeType on embedded resource contents). Delegate to the schema classes' fromArray() instead, keeping the historical mimeType defaulting and RuntimeException-with- index error contract. ImageContent was the only content class without annotations support, so it gains the same constructor/fromArray()/jsonSerialize() handling as TextContent and AudioContent. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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July 27, 2026 16:19
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PromptResultFormatter rebuilt typed content arrays from only their required fields, silently dropping
annotations(all types) and_meta/explicitmimeType(embedded resources). It now delegates to the schema classes'fromArray(), keeping the historical mimeType defaulting and error contract. Also addsannotationssupport toImageContentfor parity with the other content types.Noticed while reviewing #400
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