Defined in: packages/ai/src/types.ts:1271
Emitted when a thinking/reasoning step finishes.
@ag-ui/core provides: stepName TanStack AI adds: model?, stepId? (deprecated alias), delta?, content?
[k: string]: unknownoptional content: string;Defined in: packages/ai/src/types.ts:1282
Full accumulated thinking content (TanStack AI internal)
optional delta: string;Defined in: packages/ai/src/types.ts:1280
Incremental thinking content (TanStack AI internal)
optional model: string;Defined in: packages/ai/src/types.ts:1273
Model identifier for multi-model support
optional signature: string;Defined in: packages/ai/src/types.ts:1284
Provider signature for the thinking block
optional stepId: string;Defined in: packages/ai/src/types.ts:1278
Use stepName instead (from @ag-ui/core spec). Kept for backward compatibility.