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feat: provide system instructions separately via Genkit.generate system opt param #134

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Merged
merged 1 commit into from
Oct 24, 2025
Merged

feat: provide system instructions separately via Genkit.generate system opt param #134

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4 changes: 3 additions & 1 deletion runner/codegen/genkit/genkit-runner.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -68,7 +68,8 @@ export class GenkitRunner implements LlmRunner {
): Promise<LocalLlmGenerateFilesResponse> {
const requestOptions: LocalLlmConstrainedOutputGenerateRequestOptions = {
...options,
prompt: options.context.combinedPrompt,
prompt: options.context.executablePrompt,
systemPrompt: options.context.systemInstructions,
schema: z.object({
outputFiles: z.array(
z.object({
Expand Down Expand Up @@ -145,6 +146,7 @@ export class GenkitRunner implements LlmRunner {

const response = await this.genkitInstance.generate({
prompt: options.prompt,
system: options.systemPrompt,
model,
output: schema
? {
Expand Down
4 changes: 4 additions & 0 deletions runner/codegen/llm-runner.ts
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Expand Up @@ -96,6 +96,8 @@ interface BaseLlmRequestOptions {
export interface LocalLlmGenerateTextRequestOptions extends BaseLlmRequestOptions {
/** Prompt to send. */
prompt: string;
/** System prompt. */
systemPrompt?: string;
}

/** Context needed for an file generation context. */
Expand Down Expand Up @@ -123,6 +125,8 @@ export interface LocalLlmConstrainedOutputGenerateRequestOptions<
> extends BaseLlmRequestOptions {
/** Prompt to send. */
prompt: string;
/** System prompt. */
systemPrompt?: string;
/** Schema that the response should conform to. */
schema: T;
}
Expand Down
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