fix: 重建DOCX视觉一致性门禁

packages/document-visual-diff/src/paragraph-layout.ts

@@ -113,6 +113,17 @@ function observeParagraph(
       Array.from(lines[index]?.normalizedText ?? "").length ===
       (matchedByLine.get(index)?.length ?? 0),
   );
+  const visualLines = matchedLines.map((line) => ({
+    pageNumber: line.pageNumber,
+    bounds: line.line.bounds,
+    fontFamilies: [
+      ...new Set(
+        line.line.items.flatMap((item) =>
+          item.fontFamily ? [item.fontFamily] : [],
+        ),
+      ),
+    ].sort(),
+  }));
   const matched = matchedCharacterCount === expectedCharacters.length;
   if (matched) {
     cursor.lineIndex = localCursor.lineIndex;
@@ -146,6 +157,7 @@ function observeParagraph(
       ? {}
       : { averageBaselineGapPt }),
     exclusiveGeometry,
+    visualLines,
   };
 }
 
@@ -192,6 +204,8 @@ function compareParagraph(
   expectation: EditableParagraphExpectation,
   baseline: PdfParagraphLayoutObservation,
   candidate: PdfParagraphLayoutObservation,
+  baselineCoverPageCount: number,
+  candidateCoverPageCount: number,
 ): VisualDiffIssue[] {
   const issues: VisualDiffIssue[] = [];
   if (!baseline.matched || !candidate.matched) {
@@ -299,6 +313,27 @@ function compareParagraph(
         },
       });
     }
+  } else if (baselineCoverPageCount > 0 || candidateCoverPageCount > 0) {
+    const baselineOutsideCover = baseline.pageNumbers.every(
+      (pageNumber) => pageNumber > baselineCoverPageCount,
+    );
+    const candidateOutsideCover = candidate.pageNumbers.every(
+      (pageNumber) => pageNumber > candidateCoverPageCount,
+    );
+    if (!baselineOutsideCover || !candidateOutsideCover) {
+      issues.push({
+        code: "COVER_LAYOUT_MISMATCH",
+        severity: "failure",
+        message: `第 ${expectation.index + 1} 个正文段落回流到独立封面页`,
+        details: {
+          paragraphIndex: expectation.index,
+          baselinePages: baseline.pageNumbers.join(","),
+          candidatePages: candidate.pageNumbers.join(","),
+          baselineCoverPageCount,
+          candidateCoverPageCount,
+        },
+      });
+    }
   }
 
   if (baseline.exclusiveGeometry && candidate.exclusiveGeometry) {
@@ -373,6 +408,12 @@ export function comparePdfEditableParagraphLayouts(
   const candidateCharacters = candidateLines.map((line) =>
     Array.from(line.normalizedText),
   );
+  const baselineCoverPageCount = baselinePageSemantics.filter(
+    (page) => page.kind === "cover",
+  ).length;
+  const candidateCoverPageCount = candidatePageSemantics.filter(
+    (page) => page.kind === "cover",
+  ).length;
   const baselineCursor: MatchCursor = { lineIndex: 0, characterIndex: 0 };
   const candidateCursor: MatchCursor = { lineIndex: 0, characterIndex: 0 };
 
@@ -393,6 +434,8 @@ export function comparePdfEditableParagraphLayouts(
       expectation,
       baselineObservation,
       candidateObservation,
+      baselineCoverPageCount,
+      candidateCoverPageCount,
     );
     return {
       expectation,