fix: extractInlineNamesFromRegion substring 越界保护

cfc-backend/src/main/java/com/etotem/cfc/service/PdfParseService.java

@@ -444,13 +444,20 @@ public class PdfParseService {
             int whitespaceSkipped = clean.substring(startAfter).length() - afterText.length();
             valEnd = startAfter + whitespaceSkipped + vm.group(1).length();
 
+            // 安全截断，防止越界
+            if (valEnd > clean.length()) valEnd = clean.length();
+
             // 状态文本：从数值后到下一个名称或区域结束
             String status = "";
             if (i + 1 < uniquePositions.size()) {
                 int nextPos = uniquePositions.get(i + 1).position;
-                status = clean.substring(valEnd, nextPos).trim();
+                if (valEnd <= nextPos && nextPos <= clean.length()) {
+                    status = clean.substring(valEnd, nextPos).trim();
+                }
             } else {
-                status = clean.substring(valEnd).trim();
+                if (valEnd <= clean.length()) {
+                    status = clean.substring(valEnd).trim();
+                }
             }
             // 清理状态中的残留标记
             status = status.replaceAll("注意大环内酯类|注意呋喃类|注意氯霉素类|注意喹诺酮类|" +