优化

integration-service/src/main/java/com/baiyue/integration/dto/ocr/OcrCandidate.java

@@ -1,16 +1,22 @@
 package com.baiyue.integration.dto.ocr;
 
+import java.math.BigDecimal;
+
 /**
  * 百度 OCR 返回的文字候选及其识别框。
  */
 public record OcrCandidate(
         String text,
-        Double confidence,
+        BigDecimal confidence,
         Integer left,
         Integer top,
         Integer width,
         Integer height
 ) {
+    public OcrCandidate {
+        confidence = OcrConfidence.normalize(confidence);
+    }
+
     public long area() {
         if (width == null || height == null || width <= 0 || height <= 0) {
             return 0;

integration-service/src/main/java/com/baiyue/integration/dto/ocr/OcrConfidence.java

@@ -0,0 +1,27 @@
+package com.baiyue.integration.dto.ocr;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+
+/** Canonical confidence representation shared by OCR response models. */
+public final class OcrConfidence {
+    private static final int SCALE = 5;
+    private static final BigDecimal ZERO = BigDecimal.ZERO.setScale(SCALE);
+    private static final BigDecimal ONE = BigDecimal.ONE.setScale(SCALE);
+
+    private OcrConfidence() {
+    }
+
+    public static BigDecimal normalize(BigDecimal value) {
+        if (value == null) {
+            return null;
+        }
+        if (value.compareTo(BigDecimal.ZERO) < 0) {
+            return ZERO;
+        }
+        if (value.compareTo(BigDecimal.ONE) > 0) {
+            return ONE;
+        }
+        return value.setScale(SCALE, RoundingMode.HALF_UP);
+    }
+}

integration-service/src/main/java/com/baiyue/integration/dto/ocr/WeightOcrImageResult.java

@@ -12,10 +12,15 @@ public record WeightOcrImageResult(
         String rawResponseFile,
         Status status,
         BigDecimal weight,
-        Double confidence,
+        BigDecimal confidence,
         List<OcrCandidate> candidates,
+        String ocrRawText,
         String error
 ) {
+    public WeightOcrImageResult {
+        confidence = OcrConfidence.normalize(confidence);
+    }
+
     public enum Status {
         RECOGNIZED,
         NO_WEIGHT_FOUND,