Cleanup work + stream endpoints to reduce memory usage (#6106)

app/proprietary/src/main/java/stirling/software/proprietary/controller/api/AiEngineController.java

@@ -13,6 +13,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.server.ResponseStatusException;
 
+import io.swagger.v3.oas.annotations.Hidden;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 
@@ -34,6 +35,7 @@ import tools.jackson.databind.ObjectMapper;
 @RestController
 @RequestMapping("/api/v1/ai")
 @RequiredArgsConstructor
+@Hidden
 @Tag(name = "AI Engine", description = "Endpoints for AI-powered PDF workflows")
 public class AiEngineController {
 

app/proprietary/src/main/java/stirling/software/proprietary/controller/api/AuditDashboardController.java

@@ -1,5 +1,6 @@
 package stirling.software.proprietary.controller.api;
 
+import java.nio.charset.StandardCharsets;
 import java.time.Instant;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
@@ -239,7 +240,7 @@ public class AuditDashboardController {
             csv.append(escapeCSV(event.getData())).append("\n");
         }
 
-        byte[] csvBytes = csv.toString().getBytes();
+        byte[] csvBytes = csv.toString().getBytes(StandardCharsets.UTF_8);
 
         // Set up HTTP headers for download
         HttpHeaders headers = new HttpHeaders();

app/proprietary/src/main/java/stirling/software/proprietary/controller/api/SignatureController.java

@@ -19,6 +19,8 @@ import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import io.swagger.v3.oas.annotations.tags.Tag;
+
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 
@@ -37,6 +39,9 @@ import stirling.software.proprietary.service.SignatureService;
 @RestController
 @RequestMapping("/api/v1/proprietary/signatures")
 @RequiredArgsConstructor
+@Tag(
+        name = "Saved Signatures",
+        description = "Manage saved signature templates for authenticated users")
 public class SignatureController {
 
     private final SignatureService signatureService;

app/proprietary/src/main/java/stirling/software/proprietary/security/controller/api/UIDataTessdataController.java

@@ -21,6 +21,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
 
 import lombok.Data;
 import lombok.RequiredArgsConstructor;
@@ -35,6 +36,7 @@ import tools.jackson.databind.ObjectMapper;
 @RestController
 @RequestMapping("/api/v1/ui-data")
 @RequiredArgsConstructor
+@Tag(name = "UI Data")
 public class UIDataTessdataController {
 
     private static final Pattern INVALID_LANG_CHARS_PATTERN = Pattern.compile("[^A-Za-z0-9_+\\-]");

app/proprietary/src/main/java/stirling/software/proprietary/storage/controller/FileStorageController.java

@@ -22,6 +22,8 @@ import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.multipart.MultipartFile;
 import org.springframework.web.server.ResponseStatusException;
 
+import io.swagger.v3.oas.annotations.tags.Tag;
+
 import lombok.RequiredArgsConstructor;
 
 import stirling.software.proprietary.security.model.User;
@@ -38,6 +40,9 @@ import stirling.software.proprietary.storage.service.FileStorageService;
 @RestController
 @RequestMapping("/api/v1/storage")
 @RequiredArgsConstructor
+@Tag(
+        name = "File Storage",
+        description = "Stored file management, sharing, and share link operations")
 public class FileStorageController {
 
     private final FileStorageService fileStorageService;

app/proprietary/src/main/java/stirling/software/proprietary/workflow/controller/SigningSessionController.java

@@ -47,7 +47,9 @@ import stirling.software.proprietary.workflow.service.WorkflowSessionService;
 @Slf4j
 @RestController
 @RequestMapping("/api/v1/security")
-@Tag(name = "Security", description = "Security APIs - Signing Workflows")
+@Tag(
+        name = "Signing Sessions",
+        description = "Signing session lifecycle and participant management")
 @RequiredArgsConstructor
 public class SigningSessionController {