30 lines
1.5 KiB
TypeScript
30 lines
1.5 KiB
TypeScript
import type { CanvasGenerateImageResult } from "./generate-image";
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import { layoutReplaceQualityFailure, type LayoutReplaceQuality } from "./layout-replace-quality";
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// A semantic rejection may generate one corrected candidate. Network/unknown
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// generation failures and unavailable verification never replay a paid request.
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export async function runValidatedLayoutReplacement(params: {
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generate: (attempt: number, feedback: string) => Promise<CanvasGenerateImageResult>;
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normalize: (result: CanvasGenerateImageResult) => Promise<CanvasGenerateImageResult>;
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verify: (result: CanvasGenerateImageResult) => Promise<LayoutReplaceQuality>;
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persist: (result: CanvasGenerateImageResult) => Promise<void>;
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}) {
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let feedback = "";
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for (let attempt = 0; attempt < 2; attempt++) {
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const generated = await params.generate(attempt, feedback);
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if (!generated.images[0]?.originalUrl) throw new Error("排版替换未返回结果图片");
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const normalized = await params.normalize(generated);
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const check = await params.verify(normalized);
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if (check.passed) {
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const result = { ...normalized, validation: {
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kind: "layout-replace", status: "passed", attempts: attempt + 1, confidence: check.confidence,
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} };
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await params.persist(result);
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return result;
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}
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feedback = layoutReplaceQualityFailure(check);
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console.warn("[Canvas Layout Replace] candidate rejected", { attempt: attempt + 1, reasons: feedback });
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}
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throw new Error(`替换结果未通过质量检查，未作为合格结果返回：${feedback}`);
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}
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