fix: parse decision center document metadata

scripts/decision-center-workspace-contract-test.ts

@@ -1,4 +1,10 @@
 import { readFileSync } from "node:fs";
+import {
+  buildDocTypeTree,
+  docTypeLabels,
+  extractDocMetadata,
+  extractDocNo,
+} from "../src/components/frontend/src/decision-center.tsx";
 
 type JsonRecord = Record<string, unknown>;
 
@@ -14,19 +20,73 @@ function includesAll(text: string, snippets: string[]): boolean {
   return snippets.every((snippet) => text.includes(snippet));
 }
 
+function assertEqual<T>(actual: T, expected: T, message: string, detail: JsonRecord = {}): void {
+  assertCondition(Object.is(actual, expected), message, { ...detail, actual, expected });
+}
+
+function groupCount(records: JsonRecord[], type: string): number {
+  return buildDocTypeTree(records).find((group) => group.type === type)?.nodes.length || 0;
+}
+
 export function runDecisionCenterWorkspaceContract(): JsonRecord {
   const frontend = source("src/components/frontend/src/decision-center.tsx");
   const css = source("src/components/frontend/public/style.css");
 
+  const titleDcsn = {
+    id: "title-dcsn",
+    title: "DC-DCSN-P0-2026-001 决策记录",
+    tags: [],
+  };
+  const tagGoal = {
+    id: "tag-goal",
+    title: "目标文书",
+    tags: ["doc-no:DC-GOAL-P0-2026-002"],
+  };
+  const bodyRprt = {
+    id: "body-rprt",
+    title: "报告正文",
+    body: "DC-RPRT-P2-2026-003\n\n报告正文第一段。",
+    tags: [],
+  };
+  const tagRetr = {
+    id: "tag-retr",
+    title: "复盘文书",
+    tags: ["doc-type:RETR"],
+  };
+  const structuredPlan = {
+    id: "structured-plan",
+    title: "结构化计划文书",
+    docType: "PLAN",
+    priority: "P1",
+    year: 2026,
+    sequence: 4,
+  };
+
+  assertEqual(extractDocNo(titleDcsn), "DC-DCSN-P0-2026-001", "title prefix must extract complete DCSN doc number");
+  assertEqual(extractDocMetadata(titleDcsn).docType, "DCSN", "title prefix must extract DCSN doc type");
+  assertEqual(extractDocNo(tagGoal), "DC-GOAL-P0-2026-002", "doc-no tag must extract complete GOAL doc number");
+  assertEqual(extractDocMetadata(tagGoal).docType, "GOAL", "doc-no tag must extract GOAL doc type");
+  assertEqual(extractDocNo(bodyRprt), "DC-RPRT-P2-2026-003", "body first paragraph must fallback extract complete RPRT doc number");
+  assertEqual(extractDocMetadata(bodyRprt).priority, "P2", "body fallback must extract RPRT priority");
+  assertEqual(extractDocMetadata(tagRetr).docType, "RETR", "doc-type tag must extract RETR doc type");
+  assertEqual(docTypeLabels.RETR, "复盘", "RETR label must be 复盘");
+  assertEqual(extractDocNo(structuredPlan), "DC-PLAN-P1-2026-004", "structured fields must compose complete PLAN doc number");
+  assertEqual(groupCount([titleDcsn, tagGoal, bodyRprt, tagRetr, structuredPlan], "DCSN"), 1, "DCSN records must be grouped by parsed type");
+  assertEqual(groupCount([titleDcsn, tagGoal, bodyRprt, tagRetr, structuredPlan], "GOAL"), 1, "GOAL records must be grouped by parsed type");
+  assertEqual(groupCount([titleDcsn, tagGoal, bodyRprt, tagRetr, structuredPlan], "RPRT"), 1, "RPRT records must be grouped by parsed type");
+  assertEqual(groupCount([titleDcsn, tagGoal, bodyRprt, tagRetr, structuredPlan], "RETR"), 1, "RETR records must be grouped by parsed type");
+  assertEqual(groupCount([titleDcsn, tagGoal, bodyRprt, tagRetr, structuredPlan], "PLAN"), 1, "PLAN records must be grouped by structured type");
+
   assertCondition(
     includesAll(frontend, [
-      "function extractDocNo(record: any): string",
-      "function buildDocTypeTree(records: any[]): Array<{ type: DocTypeCode",
+      "export function extractDocMetadata(record: any): DocMetadata",
+      "export function extractDocNo(record: any): string",
+      "export function buildDocTypeTree(records: any[]): Array<{ type: DocTypeCode",
       "function buildTagGroups(records: any[]): Array<{ tag: string",
       "DOC_TYPE_CODES = [\"DCSN\", \"GOAL\", \"PLAN\", \"RPRT\", \"ACTN\", \"ISSU\", \"RETR\", \"RQST\", \"RESP\", \"MINS\"]",
       "docTypeLabels: Record<DocTypeCode, string>",
     ]),
-    "frontend must implement doc-no extraction, doc-type tree, and tag grouping",
+    "frontend must implement exported doc metadata extraction, doc-type tree, and tag grouping",
   );
 
   assertCondition(
@@ -118,11 +178,11 @@ export function runDecisionCenterWorkspaceContract(): JsonRecord {
 
   assertCondition(
     includesAll(frontend, [
-      "extractDocNo(record)",
-      "title.match(/^([A-Z]{2,5})[-−]?(\\d+)/u)",
-      "doc-no:([A-Z]{2,5})[-−]?(\\d+)",
+      "extractDocMetadata(record)",
+      "recordTagValues(record, \"doc-no\")",
+      "firstBodyWindow(record)",
     ]),
-    "extractDocNo must extract from title prefix and doc-no tag",
+    "extractDocNo must use metadata extraction from title, doc-no tag, and body fallback",
   );
 
   assertCondition(
@@ -148,7 +208,7 @@ export function runDecisionCenterWorkspaceContract(): JsonRecord {
       "workspace-css-layout",
       "workspace-css-components",
       "three-column-layout-50-percent",
-      "doc-no-regex-from-title",
+      "doc-metadata-fixtures",
       "type-tag-grouping-toggle",
     ],
   };
@@ -156,4 +216,4 @@ export function runDecisionCenterWorkspaceContract(): JsonRecord {
 
 if (import.meta.main) {
   process.stdout.write(`${JSON.stringify(runDecisionCenterWorkspaceContract(), null, 2)}\n`);
-}
+}