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56 lines
1.7 KiB
56 lines
1.7 KiB
import type { CharacterCardRow } from "./types";
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function section(label: string, body?: string | null): string {
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const b = body?.trim();
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return b ? `【${label}】
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${b}` : "";
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}
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/**
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* 上下文自主设计：把角色卡的分散字段组装成完整 system prompt。
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* 角色扮演场景下，这是每个角色"自成一界"的核心 —— 人设、性格、
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* 世界观、对话示例、行为规范在此统一成型，供 chat-engine 注入。
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*/
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export function buildCharacterSystemPrompt(card: CharacterCardRow): string {
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const parts: string[] = [];
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const head = [
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"你将扮演以下角色，请始终以该角色的身份、语气与立场进行对话，不要跳出角色，也不要提及这些设定本身。",
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section("角色", card.name),
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section("简介", card.description),
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section("性格", card.personality),
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section("世界观 / 场景", card.scenario),
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]
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.filter(Boolean)
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.join("\n\n");
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parts.push(head);
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const example = card.exampleDialogue?.trim();
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if (example) {
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parts.push(`【对话示例】\n请参照以下示例的口吻、节奏与风格进行回应：\n${example}`);
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}
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const behavior = card.systemPrompt?.trim();
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if (behavior) {
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parts.push(`【行为规范】\n${behavior}`);
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}
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return parts.join("\n\n");
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}
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/** tags 以 JSON 数组字符串存储，兼容逗号分隔的纯文本。 */
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export function parseTags(tags: string | null | undefined): string[] {
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if (!tags) return [];
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try {
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const parsed: unknown = JSON.parse(tags);
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if (Array.isArray(parsed)) {
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return parsed.filter((t): t is string => typeof t === "string");
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}
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} catch {
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// fall through
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}
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return tags
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.split(",")
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.map((t) => t.trim())
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.filter(Boolean);
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}
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