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    Interface FeaturePipelineComputeHooks

    How a driver calls back into InferProcessor's overridable steps, so that a processor extension registered under DataFeatureSpec.ProcessorExtensionKey keeps working whichever driver runs. InferProcessor builds this from closures over its own protected hooks.

    The contract for drivers. Every driver must call BeforeBuildContext and then BuildPromptData once per record, before computing anything, so that an extension's context shaping applies to every pipeline type. BeforePromptExecute and AfterPromptExecute are LLM-shaped: they take the chat prompt's AIPromptParams and AIPromptRunResult. A driver that runs an AIPromptRunner chat prompt must call both. A driver that doesn't (a Decision model, for example) doesn't call them. An extension that overrides beforePromptExecute or afterPromptExecute therefore stops firing once its pipeline switches to such a type, and should move that logic into buildPromptData or into the driver.

    interface FeaturePipelineComputeHooks {
        AfterPromptExecute: (
            result: AIPromptRunResult<unknown>,
            record: RecordRef,
            ctx: RecordProcessorContext,
        ) => Promise<unknown>;
        BeforeBuildContext: (
            record: RecordRef,
            ctx: RecordProcessorContext,
        ) => Promise<void>;
        BeforePromptExecute: (
            params: AIPromptParams,
            record: RecordRef,
            ctx: RecordProcessorContext,
        ) => Promise<void>;
        BuildPromptData: (
            record: RecordRef,
            ctx: RecordProcessorContext,
        ) => Promise<Record<string, unknown>>;
        BuildUserMessage: (
            record: RecordRef,
            ctx: RecordProcessorContext,
        ) => Promise<string>;
    }
    Index

    Properties

    AfterPromptExecute BeforeBuildContext BeforePromptExecute BuildPromptData BuildUserMessage

    Properties

    AfterPromptExecute: (
        result: AIPromptRunResult<unknown>,
        record: RecordRef,
        ctx: RecordProcessorContext,
    ) => Promise<unknown>

    Called after the prompt succeeds; returns the raw result (InferProcessor.afterPromptExecute).

    BeforeBuildContext: (
        record: RecordRef,
        ctx: RecordProcessorContext,
    ) => Promise<void>

    Called before the prompt's context is built (InferProcessor.beforeBuildContext).

    BeforePromptExecute: (
        params: AIPromptParams,
        record: RecordRef,
        ctx: RecordProcessorContext,
    ) => Promise<void>

    Called immediately before the prompt runs (InferProcessor.beforePromptExecute).

    BuildPromptData: (
        record: RecordRef,
        ctx: RecordProcessorContext,
    ) => Promise<Record<string, unknown>>

    Builds the data object passed to the prompt (InferProcessor.buildPromptData).

    BuildUserMessage: (
        record: RecordRef,
        ctx: RecordProcessorContext,
    ) => Promise<string>

    The record's data for the prompt's user turn, or null for none (InferProcessor.BuildUserMessage).

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