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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 | /** * 质量校验节点（qualityCheckNode） * * 在正文内容并行生成完成后，对所有章节做四维质量评估： * - 通顺性（fluency） * - 逻辑性（logic） * - 是否跑题（relevance） * - 是否达标（completeness） * * 输出每个章节的评分和问题列表，决定是否进入重写环节。 * 与 rewrite.node.ts 组成质量闭环：校验→不通过→重写→再校验 */ import { GraphState } from '../graph'; import { bookStore } from '../book-generator.store'; import { callLLMWithMessages, ChatMessage } from '../../../services/llm'; import { callLLMWithRetry, executeNodeWithTimeout, FAULT_TOLERANCE_CONFIG } from '../fault-tolerance'; import { QUALITY_CHECK_SYSTEM_PROMPT } from '../prompts/templates'; import { PROGRESS, countWords } from '../utils'; import { prisma } from '../../../models'; // ============ 类型定义 ============ export interface QualityScore { fluency: number; // 通顺 0-25 logic: number; // 逻辑 0-25 relevance: number; // 跑题 0-25 completeness: number; // 达标 0-25 } export interface QualityIssue { dimension: 'fluency' | 'logic' | 'relevance' | 'completeness'; severity: 'high' | 'medium' | 'low'; description: string; location: string; suggestion: string; } export interface FailedChapter { chapterNumber: number; chapterTitle: string; scores: QualityScore; totalScore: number; issues: QualityIssue[]; rewriteInstructions: string; } export interface QualityCheckResult { overallScore: number; overallAssessment: string; passedChapters: number[]; failedChapters: FailedChapter[]; } // ============ 常量 ============ /** 合格分数线 */ const PASS_THRESHOLD = 80; /** 每批最大发送字符数（避免 token 超限）*/ const MAX_BATCH_CHARS = 60000; // ============ 核心逻辑 ============ /** * 构建单批质量校验消息 */ function buildBatchQualityCheckMessages( bookTitle: string, bookTopic: string, batchChapters: Array<{ number: number; title: string; content: string; summary?: string; estimatedWords?: number }> ): ChatMessage[] { let chaptersText = ''; for (const ch of batchChapters) { const header = `\n## 第${ch.number}章：${ch.title}\n> 概述：${ch.summary || '无'}\n> 预估字数：${ch.estimatedWords || 0} | 实际字数：${countWords(ch.content)}\n\n`; const content = ch.content || '（空）'; chaptersText += header + content; } return [ { role: 'system', content: QUALITY_CHECK_SYSTEM_PROMPT }, { role: 'user', content: `书名：《${bookTitle}》 主题：${bookTopic} 以下是 ${batchChapters.length} 个章节的完整内容，请逐一评估质量： ${chaptersText} 请输出 JSON 格式的质量评估报告。`, }, ]; } /** * 分批处理章节，确保每批不超过 MAX_BATCH_CHARS */ function splitChaptersIntoBatches( chapters: Array<{ number: number; title: string; content: string; summary?: string; estimatedWords?: number }> ): Array<Array<{ number: number; title: string; content: string; summary?: string; estimatedWords?: number }>> { const batches: Array<Array<{ number: number; title: string; content: string; summary?: string; estimatedWords?: number }>> = []; let currentBatch: Array<{ number: number; title: string; content: string; summary?: string; estimatedWords?: number }> = []; let currentChars = 0; for (const ch of chapters) { const headerLen = `\n## 第${ch.number}章：${ch.title}\n> 概述：${ch.summary || '无'}\n> 预估字数：${ch.estimatedWords || 0} | 实际字数：${countWords(ch.content)}\n\n`.length; const contentLen = (ch.content || '').length; const chapterChars = headerLen + contentLen; // 如果加上当前章节会超限，且当前批次不为空，则先保存当前批次 if (currentChars + chapterChars > MAX_BATCH_CHARS && currentBatch.length > 0) { batches.push(currentBatch); currentBatch = []; currentChars = 0; } currentBatch.push(ch); currentChars += chapterChars; } if (currentBatch.length > 0) { batches.push(currentBatch); } return batches; } /** * 解析质量校验 JSON 响应 * 使用多策略解析确保鲁棒性 */ function parseQualityCheckResponse(response: string): QualityCheckResult | null { try { let cleaned = response.trim(); // 移除 think 标签 const thinkEnd = cleaned.indexOf('</think>'); if (thinkEnd !== -1) { cleaned = cleaned.substring(thinkEnd + 8).trim(); } // 策略1：直接解析 try { const data = JSON.parse(cleaned); if (data.failedChapters !== undefined || data.passedChapters !== undefined) { return normalizeResult(data); } } catch { /* continue */ } // 策略2：正则提取 JSON const match = cleaned.match(/\{[\s\S]*\}/); if (match) { const data = JSON.parse(match[0]); if (data.failedChapters !== undefined || data.passedChapters !== undefined) { return normalizeResult(data); } } console.error('[QualityCheck] 所有解析策略失败'); return null; } catch (err) { console.error('[QualityCheck] 解析异常:', err); return null; } } /** * 规范化校验结果，补全默认值 */ function normalizeResult(data: any): QualityCheckResult { return { overallScore: typeof data.overallScore === 'number' ? data.overallScore : 0, overallAssessment: data.overallAssessment || '', passedChapters: Array.isArray(data.passedChapters) ? data.passedChapters.map(Number) : [], failedChapters: Array.isArray(data.failedChapters) ? data.failedChapters.map((fc: any) => ({ chapterNumber: fc.chapterNumber || 0, chapterTitle: fc.chapterTitle || '', scores: { fluency: fc.scores?.fluency ?? 0, logic: fc.scores?.logic ?? 0, relevance: fc.scores?.relevance ?? 0, completeness: fc.scores?.completeness ?? 0, }, totalScore: fc.totalScore ?? 0, issues: Array.isArray(fc.issues) ? fc.issues : [], rewriteInstructions: fc.rewriteInstructions || '请重新撰写本章', })) : [], }; } /** * 质量校验节点 * * 评估所有已完成内容的章节，判定是否通过质量检查。 * - 通过 → qualityPassed = true → 进入 continuity_edit * - 不通过 → qualityPassed = false → 进入 rewrite */ export async function qualityCheckNode(state: typeof GraphState.State): Promise<Partial<typeof GraphState.State>> { console.log('[QualityCheck] 开始质量校验, bookId:', state.bookId); try { const book = await bookStore.getById(state.bookId); if (!book) { console.log('[QualityCheck] 书籍不存在，跳过'); return { qualityPassed: true, progress: state.progress }; } const bookIdNum = parseInt(state.bookId); // 获取所有已完成内容的叶节点 const completedChapters = await prisma.bookChapter.findMany({ where: { bookId: bookIdNum, genStage: 'content_completed', content: { not: '' }, }, orderBy: { number: 'asc' }, }); if (completedChapters.length === 0) { console.log('[QualityCheck] 无已完成内容，跳过'); return { qualityPassed: true, progress: state.progress }; } console.log(`[QualityCheck] 评估 ${completedChapters.length} 个已完成章节`); // 构建章节信息 const chapterInfos = completedChapters.map(ch => ({ number: ch.number, title: ch.title, content: ch.content, summary: ch.summary || undefined, estimatedWords: (ch as any).estimatedWords || 0, })); // 分批处理，避免上下文窗口超限 const batches = splitChaptersIntoBatches(chapterInfos); console.log(`[QualityCheck] 分 ${batches.length} 批评估`); // 合并多批结果 const allPassedChapters: number[] = []; const allFailedChapters: FailedChapter[] = []; let totalScore = 0; let assessedCount = 0; for (let i = 0; i < batches.length; i++) { const batch = batches[i]; console.log(`[QualityCheck] 处理第${i + 1}批（${batch.length}章节）`); const messages = buildBatchQualityCheckMessages( book.title, state.topic, batch ); const response = await executeNodeWithTimeout( state.bookId, 'quality_check', async () => callLLMWithRetry( messages, undefined, { bookId: state.bookId, nodeId: 'quality_check', attempt: 0, maxAttempts: FAULT_TOLERANCE_CONFIG.aiRetry.maxRetries } ), FAULT_TOLERANCE_CONFIG.nodeTimeout.continuity_edit ); const batchResult = parseQualityCheckResponse(response); if (!batchResult) { console.warn(`[QualityCheck] 第${i + 1}批解析失败，跳过`); continue; } allPassedChapters.push(...batchResult.passedChapters); allFailedChapters.push(...batchResult.failedChapters); totalScore += batchResult.overallScore * batch.length; // 加权累计 assessedCount += batch.length; } // 合并最终结果 const overallScore = assessedCount > 0 ? Math.round(totalScore / assessedCount) : 0; const finalResult: QualityCheckResult = { overallScore, overallAssessment: `分${batches.length}批评估，共${assessedCount}章，合格${allPassedChapters.length}章，不合格${allFailedChapters.length}章`, passedChapters: allPassedChapters, failedChapters: allFailedChapters, }; const result = finalResult; if (!result) { console.warn('[QualityCheck] 解析失败，默认通过'); return { qualityPassed: true, progress: state.progress }; } // 计算整体通过状态 const hasFailedChapters = result.failedChapters.length > 0; const qualityPassed = !hasFailedChapters; console.log(`[QualityCheck] 总分: ${result.overallScore}, 不合格章节: ${result.failedChapters.length}`); if (hasFailedChapters) { for (const fc of result.failedChapters) { console.log(` - 第${fc.chapterNumber}章「${fc.chapterTitle}」得分: ${fc.totalScore} → ${fc.rewriteInstructions}`); } } // 持久化质量报告到数据库 await bookStore.update(state.bookId, { errorMsg: `[质量校验] ${result.overallAssessment}`, } as any); const qualityResultJson = JSON.stringify(result); return { qualityPassed, qualityResult: qualityResultJson, progress: qualityPassed ? PROGRESS.CONTENT_END : Math.min(state.progress + 2, PROGRESS.CONTENT_END - 5), }; } catch (error) { console.error('[QualityCheck] 校验失败:', error); // 容错：失败时不阻塞流水线 return { qualityPassed: true, progress: state.progress }; } } |