feat: make progressive system config optional (#25486)

server/src/controllers/system-config.controller.spec.ts

@@ -70,5 +70,33 @@ describe(SystemConfigController.name, () => {
         expect(body).toEqual(errorDto.badRequest(['nightlyTasks.databaseCleanup must be a boolean value']));
       });
     });
+
+    describe('image', () => {
+      it('should accept config without optional progressive property', async () => {
+        const config = _.cloneDeep(defaults);
+        delete config.image.thumbnail.progressive;
+        delete config.image.preview.progressive;
+        delete config.image.fullsize.progressive;
+        const { status } = await request(ctx.getHttpServer()).put('/system-config').send(config);
+        expect(status).toBe(200);
+      });
+
+      it('should accept config with progressive set to true', async () => {
+        const config = _.cloneDeep(defaults);
+        config.image.thumbnail.progressive = true;
+        config.image.preview.progressive = true;
+        config.image.fullsize.progressive = true;
+        const { status } = await request(ctx.getHttpServer()).put('/system-config').send(config);
+        expect(status).toBe(200);
+      });
+
+      it('should reject invalid progressive value', async () => {
+        const config = _.cloneDeep(defaults);
+        (config.image.thumbnail.progressive as any) = 'invalid';
+        const { status, body } = await request(ctx.getHttpServer()).put('/system-config').send(config);
+        expect(status).toBe(400);
+        expect(body).toEqual(errorDto.badRequest(['image.thumbnail.progressive must be a boolean value']));
+      });
+    });
   });
 });

server/src/dtos/system-config.dto.ts

@@ -586,8 +586,8 @@ class SystemConfigGeneratedImageDto {
   @ApiProperty({ type: 'integer' })
   size!: number;
 
-  @ValidateBoolean()
-  progressive!: boolean;
+  @ValidateBoolean({ optional: true, default: false })
+  progressive?: boolean;
 }
 
 class SystemConfigGeneratedFullsizeImageDto {
@@ -604,8 +604,8 @@ class SystemConfigGeneratedFullsizeImageDto {
   @ApiProperty({ type: 'integer' })
   quality!: number;
 
-  @ValidateBoolean()
-  progressive!: boolean;
+  @ValidateBoolean({ optional: true, default: false })
+  progressive?: boolean;
 }
 
 export class SystemConfigImageDto {

server/src/types.ts

@@ -36,14 +36,14 @@ export type FullsizeImageOptions = {
   format: ImageFormat;
   quality: number;
   enabled: boolean;
-  progressive: boolean;
+  progressive?: boolean;
 };
 
 export type ImageOptions = {
   format: ImageFormat;
   quality: number;
   size: number;
-  progressive: boolean;
+  progressive?: boolean;
 };
 
 export type RawImageInfo = {