48 lines
2.2 KiB
TypeScript
48 lines
2.2 KiB
TypeScript
export const CONTENT_MODERATION_ERROR_CODE = "sensitive_words_detected";
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export const CONTENT_MODERATION_MESSAGE = "内容审核未通过，本次平台积分未扣除或已退还。请修改提示词后重新生成。";
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export type GenerationFailureMetadata = {
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errorDetails: string;
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generationErrorCode?: string;
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failedPromptFingerprint?: string;
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};
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export function generationFailureMetadata(error: unknown, prompt: string): GenerationFailureMetadata {
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const raw = error instanceof Error ? error.message : String(error || "生成失败");
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if (!isContentModerationError(raw)) return { errorDetails: raw || "生成失败" };
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return {
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errorDetails: CONTENT_MODERATION_MESSAGE,
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generationErrorCode: CONTENT_MODERATION_ERROR_CODE,
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failedPromptFingerprint: generationPromptFingerprint(prompt),
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};
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}
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export function generationErrorMessage(error: unknown) {
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const raw = error instanceof Error ? error.message : String(error || "生成失败");
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return isContentModerationError(raw) ? CONTENT_MODERATION_MESSAGE : raw || "生成失败";
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}
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export function isContentModerationError(value: unknown) {
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const text = value instanceof Error ? value.message : String(value || "");
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return text.toLowerCase().includes(CONTENT_MODERATION_ERROR_CODE) || text.includes("内容审核未通过");
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}
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export function unchangedModeratedPrompt(metadata: { errorDetails?: string; generationErrorCode?: string; failedPromptFingerprint?: string } | undefined, prompt: string) {
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const moderationFailure = metadata?.generationErrorCode === CONTENT_MODERATION_ERROR_CODE || isContentModerationError(metadata?.errorDetails);
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if (!moderationFailure) return false;
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if (!metadata?.failedPromptFingerprint) return true;
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return metadata.failedPromptFingerprint === generationPromptFingerprint(prompt);
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}
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// 指纹只用于识别“原样重试”，不是安全或鉴权用途。
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export function generationPromptFingerprint(value: string) {
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const normalized = value.trim().replace(/\s+/g, " ");
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let hash = 2166136261;
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for (let index = 0; index < normalized.length; index += 1) {
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hash ^= normalized.charCodeAt(index);
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hash = Math.imul(hash, 16777619);
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}
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return `${normalized.length}:${(hash >>> 0).toString(36)}`;
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}
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