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- <span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js"><span class="cstat-no" title="statement not covered" >/**<span class="fstat-no" title="function not covered" ><span class="branch-0 cbranch-no" title="branch not covered" ></span></span></span>
- * LangGraph 状态定义和工作流
- */
-
- import { Annotation, StateGraph, END } from '@langchain/langgraph';
-
- // ============ 状态定义(借鉴 OpenMAIC Annotation 模式)============
-
- /**
- * 进度 reducer:只增不减,防止中间步骤回退导致进度丢失
- */
- <span class="cstat-no" title="statement not covered" >const maxReducer = (prev: number, update: number) => Math.max(prev, update);</span>
-
- /**
- * 章节完成数 reducer:累加而非覆盖
- */
- <span class="cstat-no" title="statement not covered" >const appendReducer = <T>(prev: T[], update: T | T[] | undefined) => {</span>
- <span class="cstat-no" title="statement not covered" > if (!update) return prev;</span>
- <span class="cstat-no" title="statement not covered" > const items = Array.isArray(update) ? update : [update];</span>
- <span class="cstat-no" title="statement not covered" > return [...prev, ...items];</span>
- <span class="cstat-no" title="statement not covered" >};</span>
-
- <span class="cstat-no" title="statement not covered" >export const GraphState = Annotation.Root({</span>
- <span class="cstat-no" title="statement not covered" > bookId: Annotation<string>({</span>
- <span class="cstat-no" title="statement not covered" > reducer: (_prev, update) => update ?? _prev,</span>
- <span class="cstat-no" title="statement not covered" > default: () => '' as string,</span>
- <span class="cstat-no" title="statement not covered" > }),</span>
- <span class="cstat-no" title="statement not covered" > userId: Annotation<string | number>({</span>
- <span class="cstat-no" title="statement not covered" > reducer: (_prev, update) => update ?? _prev,</span>
- <span class="cstat-no" title="statement not covered" > default: () => '' as string,</span>
- <span class="cstat-no" title="statement not covered" > }),</span>
- <span class="cstat-no" title="statement not covered" > topic: Annotation<string>({</span>
- <span class="cstat-no" title="statement not covered" > reducer: (_prev, update) => update ?? _prev,</span>
- <span class="cstat-no" title="statement not covered" > default: () => '' as string,</span>
- <span class="cstat-no" title="statement not covered" > }),</span>
- <span class="cstat-no" title="statement not covered" > bookScale: Annotation<string>({</span>
- <span class="cstat-no" title="statement not covered" > reducer: (_prev, update) => update ?? _prev,</span>
- <span class="cstat-no" title="statement not covered" > default: () => '1000' as string,</span>
- <span class="cstat-no" title="statement not covered" > }),</span>
- /**
- * 大纲层级:1=仅章,2=章→节,3=章→节→小节。
- * reducer: update ?? _prev — 仅当 update 非 null/undefined 时才覆盖旧值。
- * 0/false 被视为 falsy 会保留旧值;合法的 genLevel 值是 1/2/3,不受此限制。
- */
- <span class="cstat-no" title="statement not covered" > genLevel: Annotation<number>({</span>
- <span class="cstat-no" title="statement not covered" > reducer: (_prev, update) => update ?? _prev,</span>
- <span class="cstat-no" title="statement not covered" > default: () => 2,</span>
- <span class="cstat-no" title="statement not covered" > }),</span>
- /** 用户明确指定的大纲层级(undefined=未指定/自动,1/2/3=用户主动选择)。
- * 用于区分"用户主动选了2"和"系统默认2",防止 AI 规划时误覆盖。 */
- <span class="cstat-no" title="statement not covered" > userSpecifiedGenLevel: Annotation<number | undefined>({</span>
- <span class="cstat-no" title="statement not covered" > reducer: (_prev, update) => update ?? _prev,</span>
- <span class="cstat-no" title="statement not covered" > default: () => undefined as number | undefined,</span>
- <span class="cstat-no" title="statement not covered" > }),</span>
- <span class="cstat-no" title="statement not covered" > description: Annotation<string>({</span>
- <span class="cstat-no" title="statement not covered" > reducer: (_prev, update) => update ?? _prev,</span>
- <span class="cstat-no" title="statement not covered" > default: () => '' as string,</span>
- <span class="cstat-no" title="statement not covered" > }),</span>
- /** AI 书籍规划结果(planBookNode 输出) */
- <span class="cstat-no" title="statement not covered" > bookPlan: Annotation<string | undefined>({</span>
- <span class="cstat-no" title="statement not covered" > reducer: (_prev, update) => update ?? _prev,</span>
- <span class="cstat-no" title="statement not covered" > default: () => undefined,</span>
- <span class="cstat-no" title="statement not covered" > }),</span>
- /** 当前正在处理的章节号 */
- <span class="cstat-no" title="statement not covered" > currentChapter: Annotation<number>({</span>
- <span class="cstat-no" title="statement not covered" > reducer: maxReducer,</span>
- <span class="cstat-no" title="statement not covered" > default: () => 0,</span>
- <span class="cstat-no" title="statement not covered" > }),</span>
- /** 已成功完成的章节数(只增不减) */
- <span class="cstat-no" title="statement not covered" > completedChapters: Annotation<number[]>({</span>
- <span class="cstat-no" title="statement not covered" > reducer: appendReducer,</span>
- <span class="cstat-no" title="statement not covered" > default: () => [] as number[],</span>
- <span class="cstat-no" title="statement not covered" > }),</span>
- <span class="cstat-no" title="statement not covered" > finished: Annotation<boolean>({</span>
- <span class="cstat-no" title="statement not covered" > reducer: (_prev, update) => update ?? _prev,</span>
- <span class="cstat-no" title="statement not covered" > default: () => false,</span>
- <span class="cstat-no" title="statement not covered" > }),</span>
- <span class="cstat-no" title="statement not covered" > error: Annotation<string | undefined>({</span>
- <span class="cstat-no" title="statement not covered" > reducer: (_prev, update) => update ?? _prev,</span>
- <span class="cstat-no" title="statement not covered" > default: () => undefined,</span>
- <span class="cstat-no" title="statement not covered" > }),</span>
- /** 生成进度 0-100,只增不减 */
- <span class="cstat-no" title="statement not covered" > progress: Annotation<number>({</span>
- <span class="cstat-no" title="statement not covered" > reducer: maxReducer,</span>
- <span class="cstat-no" title="statement not covered" > default: () => 0,</span>
- <span class="cstat-no" title="statement not covered" > }),</span>
- /** 失败章节列表,通过 reducer 合并而非覆盖 */
- <span class="cstat-no" title="statement not covered" > failedChapters: Annotation<number[]>({</span>
- <span class="cstat-no" title="statement not covered" > reducer: appendReducer,</span>
- <span class="cstat-no" title="statement not covered" > default: () => [] as number[],</span>
- <span class="cstat-no" title="statement not covered" > }),</span>
- /** 质量校验是否通过(quality_check 节点设置) */
- <span class="cstat-no" title="statement not covered" > qualityPassed: Annotation<boolean>({</span>
- <span class="cstat-no" title="statement not covered" > reducer: (_prev, update) => update ?? _prev,</span>
- <span class="cstat-no" title="statement not covered" > default: () => true,</span>
- <span class="cstat-no" title="statement not covered" > }),</span>
- /** 重写次数计数器(每次 rewrite 节点执行 +1,用于限制最大循环次数) */
- <span class="cstat-no" title="statement not covered" > rewriteCount: Annotation<number>({</span>
- <span class="cstat-no" title="statement not covered" > reducer: (prev, update) => prev + (update || 0),</span>
- <span class="cstat-no" title="statement not covered" > default: () => 0,</span>
- <span class="cstat-no" title="statement not covered" > }),</span>
- /** 最大重写次数 */
- <span class="cstat-no" title="statement not covered" > maxRewriteCount: Annotation<number>({</span>
- <span class="cstat-no" title="statement not covered" > reducer: (_prev, update) => update ?? _prev,</span>
- <span class="cstat-no" title="statement not covered" > default: () => 3,</span>
- <span class="cstat-no" title="statement not covered" > }),</span>
- /** 质量校验结果(JSON字符串,quality_check → rewrite 传递) */
- <span class="cstat-no" title="statement not covered" > qualityResult: Annotation<string | undefined>({</span>
- <span class="cstat-no" title="statement not covered" > reducer: (_prev, update) => update ?? _prev,</span>
- <span class="cstat-no" title="statement not covered" > default: () => undefined,</span>
- <span class="cstat-no" title="statement not covered" > }),</span>
- <span class="cstat-no" title="statement not covered" >});</span>
- </pre></td></tr></table></pre>
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