feat(ocr): add rotatePages option for automatic page orientation correction (#6697)

Co-authored-by: Andrei Blaj <andrei@atta.systems>
Signed-off-by: Andrei Blaj <andrei@atta.systems>

app/core/src/main/java/stirling/software/SPDF/controller/api/misc/OCRController.java

@@ -114,6 +114,7 @@ public class OCRController {
         List<String> selectedLanguages = request.getLanguages();
         boolean sidecar = request.isSidecar();
         Boolean deskew = request.isDeskew();
+        Boolean rotatePages = request.isRotatePages();
         Boolean clean = request.isClean();
         Boolean cleanFinal = request.isCleanFinal();
         String ocrType = request.getOcrType();
@@ -154,6 +155,7 @@ public class OCRController {
                         selectedLanguages,
                         sidecar,
                         deskew,
+                        rotatePages,
                         clean,
                         cleanFinal,
                         ocrType,
@@ -236,6 +238,7 @@ public class OCRController {
             List<String> selectedLanguages,
             Boolean sidecar,
             Boolean deskew,
+            Boolean rotatePages,
             Boolean clean,
             Boolean cleanFinal,
             String ocrType,
@@ -268,6 +271,10 @@ public class OCRController {
         if (deskew != null && deskew) {
             command.add("--deskew");
         }
+        if (rotatePages != null && rotatePages) {
+            // Tesseract OSD-based automatic page orientation correction (90/180/270)
+            command.add("--rotate-pages");
+        }
         if (clean != null && clean) {
             command.add("--clean");
         }

app/core/src/main/java/stirling/software/SPDF/model/api/misc/ProcessPdfWithOcrRequest.java

@@ -25,6 +25,11 @@ public class ProcessPdfWithOcrRequest extends PDFFile {
     @Schema(description = "Deskew the input file if set to true")
     private boolean deskew;
 
+    @Schema(
+            description =
+                    "Auto-correct page orientation (90/180/270) using Tesseract OSD if set to true")
+    private boolean rotatePages;
+
     @Schema(description = "Clean the input file if set to true")
     private boolean clean;