diff --git a/src/platform/plugins/shared/dashboard/server/content_management/v3/transform_utils.ts b/src/platform/plugins/shared/dashboard/server/content_management/v3/transform_utils.ts
index 36e9567786c0d..0ea8b883305c9 100644
--- a/src/platform/plugins/shared/dashboard/server/content_management/v3/transform_utils.ts
+++ b/src/platform/plugins/shared/dashboard/server/content_management/v3/transform_utils.ts
@@ -7,145 +7,31 @@
  * License v3.0 only", or the "Server Side Public License, v 1".
  */
 
-import { v4 as uuidv4 } from 'uuid';
 import { pick } from 'lodash';
 
-import type { Query } from '@kbn/es-query';
-import {
-  type ControlGroupChainingSystem,
-  type ControlLabelPosition,
-  type ControlPanelsState,
-  type SerializedControlState,
-  DEFAULT_AUTO_APPLY_SELECTIONS,
-  DEFAULT_CONTROL_CHAINING,
-  DEFAULT_CONTROL_GROW,
-  DEFAULT_CONTROL_LABEL_POSITION,
-  DEFAULT_CONTROL_WIDTH,
-  DEFAULT_IGNORE_PARENT_SETTINGS,
-} from '@kbn/controls-plugin/common';
-import { SerializedSearchSourceFields, parseSearchSourceJSON } from '@kbn/data-plugin/common';
-
 import type { SavedObject, SavedObjectReference } from '@kbn/core-saved-objects-api-server';
 import type {
-  ControlGroupAttributes,
   DashboardAttributes,
   DashboardGetOut,
   DashboardItem,
-  DashboardOptions,
   ItemAttrsToSavedObjectAttrsReturn,
   PartialDashboardItem,
   SavedObjectToItemReturn,
 } from './types';
-import type {
-  DashboardSavedObjectAttributes,
-  SavedDashboardPanel,
-} from '../../dashboard_saved_object';
+import type { DashboardSavedObjectAttributes } from '../../dashboard_saved_object';
 import type {
   ControlGroupAttributes as ControlGroupAttributesV2,
   DashboardCrudTypes as DashboardCrudTypesV2,
 } from '../../../common/content_management/v2';
-import { DEFAULT_DASHBOARD_OPTIONS } from '../../../common/content_management';
-
-function controlGroupInputOut(
-  controlGroupInput?: DashboardSavedObjectAttributes['controlGroupInput']
-): ControlGroupAttributes | undefined {
-  if (!controlGroupInput) {
-    return;
-  }
-  const {
-    panelsJSON,
-    ignoreParentSettingsJSON,
-    controlStyle = DEFAULT_CONTROL_LABEL_POSITION,
-    chainingSystem = DEFAULT_CONTROL_CHAINING,
-    showApplySelections = !DEFAULT_AUTO_APPLY_SELECTIONS,
-  } = controlGroupInput;
-  const controls = panelsJSON
-    ? Object.entries(JSON.parse(panelsJSON) as ControlPanelsState<SerializedControlState>).map(
-        ([
-          id,
-          {
-            explicitInput,
-            type,
-            grow = DEFAULT_CONTROL_GROW,
-            width = DEFAULT_CONTROL_WIDTH,
-            order,
-          },
-        ]) => ({
-          controlConfig: explicitInput,
-          id,
-          grow,
-          order,
-          type,
-          width,
-        })
-      )
-    : [];
-
-  const {
-    ignoreFilters = DEFAULT_IGNORE_PARENT_SETTINGS.ignoreFilters,
-    ignoreQuery = DEFAULT_IGNORE_PARENT_SETTINGS.ignoreQuery,
-    ignoreTimerange = DEFAULT_IGNORE_PARENT_SETTINGS.ignoreTimerange,
-    ignoreValidations = DEFAULT_IGNORE_PARENT_SETTINGS.ignoreValidations,
-  } = ignoreParentSettingsJSON ? JSON.parse(ignoreParentSettingsJSON) : {};
-
-  // try to maintain a consistent (alphabetical) order of keys
-  return {
-    autoApplySelections: !showApplySelections,
-    chainingSystem: chainingSystem as ControlGroupChainingSystem,
-    controls,
-    labelPosition: controlStyle as ControlLabelPosition,
-    ignoreParentSettings: { ignoreFilters, ignoreQuery, ignoreTimerange, ignoreValidations },
-  };
-}
-
-function kibanaSavedObjectMetaOut(
-  kibanaSavedObjectMeta: DashboardSavedObjectAttributes['kibanaSavedObjectMeta']
-): DashboardAttributes['kibanaSavedObjectMeta'] {
-  const { searchSourceJSON } = kibanaSavedObjectMeta;
-  if (!searchSourceJSON) {
-    return {};
-  }
-  // Dashboards do not yet support ES|QL (AggregateQuery) in the search source
-  return {
-    searchSource: parseSearchSourceJSON(searchSourceJSON) as Omit<
-      SerializedSearchSourceFields,
-      'query'
-    > & { query?: Query },
-  };
-}
-
-function optionsOut(optionsJSON: string): DashboardAttributes['options'] {
-  const {
-    hidePanelTitles = DEFAULT_DASHBOARD_OPTIONS.hidePanelTitles,
-    useMargins = DEFAULT_DASHBOARD_OPTIONS.useMargins,
-    syncColors = DEFAULT_DASHBOARD_OPTIONS.syncColors,
-    syncCursor = DEFAULT_DASHBOARD_OPTIONS.syncCursor,
-    syncTooltips = DEFAULT_DASHBOARD_OPTIONS.syncTooltips,
-  } = JSON.parse(optionsJSON) as DashboardOptions;
-  return {
-    hidePanelTitles,
-    useMargins,
-    syncColors,
-    syncCursor,
-    syncTooltips,
-  };
-}
-
-function panelsOut(panelsJSON: string): DashboardAttributes['panels'] {
-  const panels = JSON.parse(panelsJSON) as SavedDashboardPanel[];
-  return panels.map(
-    ({ embeddableConfig, gridData, id, panelIndex, panelRefName, title, type, version }) => ({
-      gridData,
-      id,
-      panelConfig: embeddableConfig,
-      panelIndex,
-      panelRefName,
-      title,
-      type,
-      version,
-    })
-  );
-}
+import {
+  transformControlGroupIn,
+  transformControlGroupOut,
+  transformOptionsOut,
+  transformPanelsIn,
+  transformPanelsOut,
+  transformSearchSourceIn,
+  transformSearchSourceOut,
+} from './transforms';
 
 export function dashboardAttributesOut(
   attributes: DashboardSavedObjectAttributes | Partial<DashboardSavedObjectAttributes>
@@ -165,13 +51,13 @@ export function dashboardAttributesOut(
   } = attributes;
   // try to maintain a consistent (alphabetical) order of keys
   return {
-    ...(controlGroupInput && { controlGroupInput: controlGroupInputOut(controlGroupInput) }),
+    ...(controlGroupInput && { controlGroupInput: transformControlGroupOut(controlGroupInput) }),
     ...(description && { description }),
     ...(kibanaSavedObjectMeta && {
-      kibanaSavedObjectMeta: kibanaSavedObjectMetaOut(kibanaSavedObjectMeta),
+      kibanaSavedObjectMeta: transformSearchSourceOut(kibanaSavedObjectMeta),
     }),
-    ...(optionsJSON && { options: optionsOut(optionsJSON) }),
-    ...(panelsJSON && { panels: panelsOut(panelsJSON) }),
+    ...(optionsJSON && { options: transformOptionsOut(optionsJSON) }),
+    ...(panelsJSON && { panels: transformPanelsOut(panelsJSON) }),
     ...(refreshInterval && {
       refreshInterval: { pause: refreshInterval.pause, value: refreshInterval.value },
     }),
@@ -183,54 +69,6 @@ export function dashboardAttributesOut(
   };
 }
 
-function controlGroupInputIn(
-  controlGroupInput?: ControlGroupAttributes
-): DashboardSavedObjectAttributes['controlGroupInput'] | undefined {
-  if (!controlGroupInput) {
-    return;
-  }
-  const { controls, ignoreParentSettings, labelPosition, chainingSystem, autoApplySelections } =
-    controlGroupInput;
-  const updatedControls = Object.fromEntries(
-    controls.map(({ controlConfig, id = uuidv4(), ...restOfControl }) => {
-      return [id, { ...restOfControl, explicitInput: controlConfig }];
-    })
-  );
-  return {
-    chainingSystem,
-    controlStyle: labelPosition,
-    ignoreParentSettingsJSON: JSON.stringify(ignoreParentSettings),
-    panelsJSON: JSON.stringify(updatedControls),
-    showApplySelections: !autoApplySelections,
-  };
-}
-
-function panelsIn(
-  panels: DashboardAttributes['panels']
-): DashboardSavedObjectAttributes['panelsJSON'] {
-  const updatedPanels = panels.map(({ panelIndex, gridData, panelConfig, ...restPanel }) => {
-    const idx = panelIndex ?? uuidv4();
-    return {
-      ...restPanel,
-      embeddableConfig: panelConfig,
-      panelIndex: idx,
-      gridData: {
-        ...gridData,
-        i: idx,
-      },
-    };
-  });
-
-  return JSON.stringify(updatedPanels);
-}
-
-function kibanaSavedObjectMetaIn(
-  kibanaSavedObjectMeta: DashboardAttributes['kibanaSavedObjectMeta']
-) {
-  const { searchSource } = kibanaSavedObjectMeta;
-  return { searchSourceJSON: JSON.stringify(searchSource ?? {}) };
-}
-
 export const getResultV3ToV2 = (result: DashboardGetOut): DashboardCrudTypesV2['GetOut'] => {
   const { meta, item } = result;
   const { attributes, ...rest } = item;
@@ -250,14 +88,14 @@ export const getResultV3ToV2 = (result: DashboardGetOut): DashboardCrudTypesV2['
 
   const v2Attributes = {
     ...(controlGroupInput && {
-      controlGroupInput: controlGroupInputIn(controlGroupInput) as ControlGroupAttributesV2,
+      controlGroupInput: transformControlGroupIn(controlGroupInput) as ControlGroupAttributesV2,
     }),
     description,
     ...(kibanaSavedObjectMeta && {
-      kibanaSavedObjectMeta: kibanaSavedObjectMetaIn(kibanaSavedObjectMeta),
+      kibanaSavedObjectMeta: transformSearchSourceIn(kibanaSavedObjectMeta),
     }),
     ...(options && { optionsJSON: JSON.stringify(options) }),
-    panelsJSON: panels ? panelsIn(panels) : '[]',
+    panelsJSON: panels ? transformPanelsIn(panels) : '[]',
     refreshInterval,
     ...(timeFrom && { timeFrom }),
     timeRestore,
@@ -282,16 +120,16 @@ export const itemAttrsToSavedObjectAttrs = (
     const soAttributes = {
       ...rest,
       ...(controlGroupInput && {
-        controlGroupInput: controlGroupInputIn(controlGroupInput),
+        controlGroupInput: transformControlGroupIn(controlGroupInput),
       }),
       ...(options && {
         optionsJSON: JSON.stringify(options),
       }),
       ...(panels && {
-        panelsJSON: panelsIn(panels),
+        panelsJSON: transformPanelsIn(panels),
       }),
       ...(kibanaSavedObjectMeta && {
-        kibanaSavedObjectMeta: kibanaSavedObjectMetaIn(kibanaSavedObjectMeta),
+        kibanaSavedObjectMeta: transformSearchSourceIn(kibanaSavedObjectMeta),
       }),
     };
     return { attributes: soAttributes, error: null };
diff --git a/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/in/control_group_in_transforms.test.ts b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/in/control_group_in_transforms.test.ts
new file mode 100644
index 0000000000000..6ca95eb5daf14
--- /dev/null
+++ b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/in/control_group_in_transforms.test.ts
@@ -0,0 +1,106 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+import { transformControlGroupIn } from './control_group_in_transforms';
+import { ControlGroupAttributes } from '../../types';
+import { CONTROL_WIDTH_OPTIONS } from '@kbn/controls-plugin/common';
+
+jest.mock('uuid', () => ({
+  v4: jest.fn(() => 'mock-uuid'),
+}));
+
+describe('transformControlGroupIn', () => {
+  const mockControlGroupInput: ControlGroupAttributes = {
+    chainingSystem: 'NONE',
+    labelPosition: 'oneLine',
+    autoApplySelections: true,
+    ignoreParentSettings: {
+      ignoreFilters: true,
+      ignoreQuery: true,
+      ignoreTimerange: true,
+      ignoreValidations: true,
+    },
+    controls: [
+      {
+        id: 'control1',
+        type: 'type1',
+        width: CONTROL_WIDTH_OPTIONS.SMALL,
+        controlConfig: { bizz: 'buzz' },
+        order: 0,
+        grow: false,
+      },
+      {
+        type: 'type2',
+        grow: true,
+        width: CONTROL_WIDTH_OPTIONS.SMALL,
+        controlConfig: { boo: 'bear' },
+        order: 1,
+      },
+    ],
+  };
+
+  it('should return undefined if controlGroupInput is undefined', () => {
+    const result = transformControlGroupIn(undefined);
+    expect(result).toBeUndefined();
+  });
+
+  it('should transform controlGroupInput correctly', () => {
+    const result = transformControlGroupIn(mockControlGroupInput);
+
+    expect(result).toEqual({
+      chainingSystem: 'NONE',
+      controlStyle: 'oneLine',
+      showApplySelections: false,
+      ignoreParentSettingsJSON: JSON.stringify({
+        ignoreFilters: true,
+        ignoreQuery: true,
+        ignoreTimerange: true,
+        ignoreValidations: true,
+      }),
+      panelsJSON: JSON.stringify({
+        control1: {
+          type: 'type1',
+          width: 'small',
+          order: 0,
+          grow: false,
+          explicitInput: { bizz: 'buzz' },
+        },
+        'mock-uuid': {
+          type: 'type2',
+          grow: true,
+          width: 'small',
+          order: 1,
+          explicitInput: { boo: 'bear' },
+        },
+      }),
+    });
+  });
+
+  it('should handle empty controls array', () => {
+    const controlGroupInput: ControlGroupAttributes = {
+      ...mockControlGroupInput,
+      controls: [],
+    };
+
+    const result = transformControlGroupIn(controlGroupInput);
+
+    expect(result).toEqual({
+      chainingSystem: 'NONE',
+      controlStyle: 'oneLine',
+      showApplySelections: false,
+      ignoreParentSettingsJSON: JSON.stringify({
+        ignoreFilters: true,
+        ignoreQuery: true,
+        ignoreTimerange: true,
+        ignoreValidations: true,
+      }),
+      panelsJSON: JSON.stringify({}),
+    });
+  });
+});
diff --git a/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/in/control_group_in_transforms.ts b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/in/control_group_in_transforms.ts
new file mode 100644
index 0000000000000..b1ab5224e8cbb
--- /dev/null
+++ b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/in/control_group_in_transforms.ts
@@ -0,0 +1,65 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+import { flow } from 'lodash';
+import { v4 as uuidv4 } from 'uuid';
+
+import { DashboardSavedObjectAttributes } from '../../../../dashboard_saved_object';
+import { ControlGroupAttributes } from '../../types';
+
+export function transformControlGroupIn(
+  controlGroupInput?: ControlGroupAttributes
+): DashboardSavedObjectAttributes['controlGroupInput'] | undefined {
+  if (!controlGroupInput) {
+    return;
+  }
+  return flow(
+    transformControlStyle,
+    transformShowApplySelections,
+    transformIgnoreParentSettings,
+    transformPanelsJSON
+  )(controlGroupInput);
+}
+
+function transformControlStyle(controlGroupInput: ControlGroupAttributes) {
+  const { labelPosition, ...restControlGroupInput } = controlGroupInput;
+  return {
+    ...restControlGroupInput,
+    controlStyle: labelPosition,
+  };
+}
+
+function transformShowApplySelections(controlGroupInput: ControlGroupAttributes) {
+  const { autoApplySelections, ...restControlGroupInput } = controlGroupInput;
+  return {
+    ...restControlGroupInput,
+    showApplySelections: !autoApplySelections,
+  };
+}
+
+function transformIgnoreParentSettings(controlGroupInput: ControlGroupAttributes) {
+  const { ignoreParentSettings, ...restControlGroupInput } = controlGroupInput;
+  return {
+    ...restControlGroupInput,
+    ignoreParentSettingsJSON: JSON.stringify(ignoreParentSettings),
+  };
+}
+
+function transformPanelsJSON(controlGroupInput: ControlGroupAttributes) {
+  const { controls, ...restControlGroupInput } = controlGroupInput;
+  const updatedControls = Object.fromEntries(
+    controls.map(({ controlConfig, id = uuidv4(), ...restOfControl }) => {
+      return [id, { ...restOfControl, explicitInput: controlConfig }];
+    })
+  );
+  return {
+    ...restControlGroupInput,
+    panelsJSON: JSON.stringify(updatedControls),
+  };
+}
diff --git a/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/in/index.ts b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/in/index.ts
new file mode 100644
index 0000000000000..9aed8dab85e29
--- /dev/null
+++ b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/in/index.ts
@@ -0,0 +1,12 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+export { transformControlGroupIn } from './control_group_in_transforms';
+export { transformPanelsIn } from './panels_in_transforms';
+export { transformSearchSourceIn } from './search_source_in_transforms';
diff --git a/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/in/panels_in_transforms.test.ts b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/in/panels_in_transforms.test.ts
new file mode 100644
index 0000000000000..e8e5e39a79ec7
--- /dev/null
+++ b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/in/panels_in_transforms.test.ts
@@ -0,0 +1,50 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+import { DashboardPanel } from '../../types';
+import { transformPanelsIn } from './panels_in_transforms';
+
+jest.mock('uuid', () => ({
+  v4: jest.fn(() => 'mock-uuid'),
+}));
+
+describe('transformPanelsIn', () => {
+  it('should transform panels', () => {
+    const panels = [
+      {
+        type: 'foo',
+        panelIndex: '1',
+        gridData: { x: 0, y: 0, w: 12, h: 12, i: '1' },
+        panelConfig: { foo: 'bar' },
+      },
+      {
+        type: 'bar',
+        gridData: { x: 0, y: 0, w: 12, h: 12 },
+        panelConfig: { bizz: 'buzz' },
+      },
+    ];
+    const result = transformPanelsIn(panels as DashboardPanel[]);
+    expect(result).toEqual(
+      JSON.stringify([
+        {
+          type: 'foo',
+          embeddableConfig: { foo: 'bar' },
+          panelIndex: '1',
+          gridData: { x: 0, y: 0, w: 12, h: 12, i: '1' },
+        },
+        {
+          type: 'bar',
+          embeddableConfig: { bizz: 'buzz' },
+          panelIndex: 'mock-uuid',
+          gridData: { x: 0, y: 0, w: 12, h: 12, i: 'mock-uuid' },
+        },
+      ])
+    );
+  });
+});
diff --git a/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/in/panels_in_transforms.ts b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/in/panels_in_transforms.ts
new file mode 100644
index 0000000000000..71645e641b6b3
--- /dev/null
+++ b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/in/panels_in_transforms.ts
@@ -0,0 +1,32 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+import { v4 as uuidv4 } from 'uuid';
+
+import { DashboardSavedObjectAttributes } from '../../../../dashboard_saved_object';
+import { DashboardAttributes } from '../../types';
+
+export function transformPanelsIn(
+  panels: DashboardAttributes['panels']
+): DashboardSavedObjectAttributes['panelsJSON'] {
+  const updatedPanels = panels.map(({ panelIndex, gridData, panelConfig, ...restPanel }) => {
+    const idx = panelIndex ?? uuidv4();
+    return {
+      ...restPanel,
+      embeddableConfig: panelConfig,
+      panelIndex: idx,
+      gridData: {
+        ...gridData,
+        i: idx,
+      },
+    };
+  });
+
+  return JSON.stringify(updatedPanels);
+}
diff --git a/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/in/search_source_in_transforms.ts b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/in/search_source_in_transforms.ts
new file mode 100644
index 0000000000000..c27d1aaf9da83
--- /dev/null
+++ b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/in/search_source_in_transforms.ts
@@ -0,0 +1,17 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+import { DashboardAttributes } from '../../types';
+
+export function transformSearchSourceIn(
+  kibanaSavedObjectMeta: DashboardAttributes['kibanaSavedObjectMeta']
+) {
+  const { searchSource } = kibanaSavedObjectMeta;
+  return { searchSourceJSON: JSON.stringify(searchSource ?? {}) };
+}
diff --git a/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/index.ts b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/index.ts
new file mode 100644
index 0000000000000..b0f416249cfce
--- /dev/null
+++ b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/index.ts
@@ -0,0 +1,17 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+export {
+  transformControlGroupOut,
+  transformOptionsOut,
+  transformPanelsOut,
+  transformSearchSourceOut,
+} from './out';
+
+export { transformControlGroupIn, transformPanelsIn, transformSearchSourceIn } from './in';
diff --git a/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/control_group_out_transforms.ts b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/control_group_out_transforms.ts
new file mode 100644
index 0000000000000..c81593e40675d
--- /dev/null
+++ b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/control_group_out_transforms.ts
@@ -0,0 +1,93 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+import { flow } from 'lodash';
+import {
+  ControlGroupChainingSystem,
+  ControlLabelPosition,
+  DEFAULT_AUTO_APPLY_SELECTIONS,
+  DEFAULT_CONTROL_CHAINING,
+  DEFAULT_CONTROL_LABEL_POSITION,
+  DEFAULT_IGNORE_PARENT_SETTINGS,
+  type ParentIgnoreSettings,
+} from '@kbn/controls-plugin/common';
+import type { DashboardSavedObjectAttributes } from '../../../../dashboard_saved_object';
+import type { ControlGroupAttributes } from '../../types';
+import { transformControlsState } from './control_state_out_transforms';
+
+export const transformControlGroupOut: (
+  controlGroupInput: NonNullable<DashboardSavedObjectAttributes['controlGroupInput']>
+) => ControlGroupAttributes = flow(
+  transformControlGroupSetDefaults,
+  transformControlGroupProperties
+);
+
+// TODO We may want to remove setting defaults in the future
+function transformControlGroupSetDefaults(
+  controlGroupInput: NonNullable<DashboardSavedObjectAttributes['controlGroupInput']>
+) {
+  return {
+    controlStyle: DEFAULT_CONTROL_LABEL_POSITION,
+    chainingSystem: DEFAULT_CONTROL_CHAINING,
+    showApplySelections: !DEFAULT_AUTO_APPLY_SELECTIONS,
+    ...controlGroupInput,
+  };
+}
+
+function transformControlGroupProperties({
+  controlStyle,
+  chainingSystem,
+  showApplySelections,
+  ignoreParentSettingsJSON,
+  panelsJSON,
+}: Required<
+  NonNullable<DashboardSavedObjectAttributes['controlGroupInput']>
+>): ControlGroupAttributes {
+  return {
+    labelPosition: controlStyle as ControlLabelPosition,
+    chainingSystem: chainingSystem as ControlGroupChainingSystem,
+    autoApplySelections: !showApplySelections,
+    ignoreParentSettings: ignoreParentSettingsJSON
+      ? flow(
+          JSON.parse,
+          transformIgnoreParentSettingsSetDefaults,
+          transformIgnoreParentSettingsProperties
+        )(ignoreParentSettingsJSON)
+      : DEFAULT_IGNORE_PARENT_SETTINGS,
+    controls: panelsJSON ? transformControlsState(panelsJSON) : [],
+  };
+}
+
+// TODO We may want to remove setting defaults in the future
+function transformIgnoreParentSettingsSetDefaults(
+  ignoreParentSettings: ParentIgnoreSettings
+): ParentIgnoreSettings {
+  return {
+    ...DEFAULT_IGNORE_PARENT_SETTINGS,
+    ...ignoreParentSettings,
+  };
+}
+
+/**
+ * Explicitly extract and provide the expected properties ignoring any unsupported
+ * properties that may be in the saved object.
+ */
+function transformIgnoreParentSettingsProperties({
+  ignoreFilters,
+  ignoreQuery,
+  ignoreTimerange,
+  ignoreValidations,
+}: ParentIgnoreSettings): ParentIgnoreSettings {
+  return {
+    ignoreFilters,
+    ignoreQuery,
+    ignoreTimerange,
+    ignoreValidations,
+  };
+}
diff --git a/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/control_state_out_transforms.test.ts b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/control_state_out_transforms.test.ts
new file mode 100644
index 0000000000000..396d97912e5ea
--- /dev/null
+++ b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/control_state_out_transforms.test.ts
@@ -0,0 +1,104 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+import { DEFAULT_CONTROL_GROW, DEFAULT_CONTROL_WIDTH } from '@kbn/controls-plugin/common';
+import {
+  transformControlObjectToArray,
+  transformControlsWidthAuto,
+  transformControlProperties,
+  transformControlsSetDefaults,
+  transformControlsState,
+} from './control_state_out_transforms';
+
+describe('control_state', () => {
+  const mockControls = {
+    control1: { type: 'type1', width: 'auto', explicitInput: { foo: 'bar' } },
+    control2: { type: 'type2', width: 'small', explicitInput: { bizz: 'buzz' } },
+    control3: {
+      type: 'type3',
+      grow: true,
+      explicitInput: { boo: 'bear' },
+      unsupportedProperty: 'unsupported',
+    },
+  };
+
+  describe('transformControlObjectToArray', () => {
+    it('should transform control object to array', () => {
+      const result = transformControlObjectToArray(mockControls);
+      expect(result).toHaveLength(3);
+      expect(result).toHaveProperty('0.id', 'control1');
+      expect(result).toHaveProperty('1.id', 'control2');
+      expect(result).toHaveProperty('2.id', 'control3');
+    });
+  });
+
+  describe('transformControlsWidthAuto', () => {
+    it('should transform controls with width auto to default width and grow = true', () => {
+      const controlsArray = transformControlObjectToArray(mockControls);
+      const result = transformControlsWidthAuto(controlsArray);
+      expect(result).toHaveProperty('0.width', DEFAULT_CONTROL_WIDTH);
+      expect(result).toHaveProperty('0.grow', true);
+    });
+  });
+
+  describe('transformControlExplicitInput', () => {
+    it('should transform controls explicit input', () => {
+      const controlsArray = transformControlObjectToArray(mockControls);
+      const result = transformControlProperties(controlsArray);
+      expect(result).toHaveProperty('0.controlConfig', { foo: 'bar' });
+      expect(result).not.toHaveProperty('0.explicitInput');
+
+      expect(result).toHaveProperty('1.controlConfig', { bizz: 'buzz' });
+      expect(result).not.toHaveProperty('1.explicitInput');
+
+      expect(result).toHaveProperty('2.controlConfig', { boo: 'bear' });
+      expect(result).not.toHaveProperty('2.explicitInput');
+      expect(result).not.toHaveProperty('2.unsupportedProperty');
+    });
+  });
+
+  describe('transformControlsSetDefaults', () => {
+    it('should set default values for controls', () => {
+      const controlsArray = transformControlObjectToArray(mockControls);
+      const result = transformControlsSetDefaults(controlsArray);
+      expect(result).toHaveProperty('1.grow', DEFAULT_CONTROL_GROW);
+      expect(result).toHaveProperty('2.width', DEFAULT_CONTROL_WIDTH);
+    });
+  });
+
+  describe('transformControlsState', () => {
+    it('should transform serialized control state to array with all transformations applied', () => {
+      const serializedControlState = JSON.stringify(mockControls);
+      const result = transformControlsState(serializedControlState);
+      expect(result).toEqual([
+        {
+          id: 'control1',
+          type: 'type1',
+          width: DEFAULT_CONTROL_WIDTH,
+          grow: true,
+          controlConfig: { foo: 'bar' },
+        },
+        {
+          id: 'control2',
+          type: 'type2',
+          width: 'small',
+          grow: DEFAULT_CONTROL_GROW,
+          controlConfig: { bizz: 'buzz' },
+        },
+        {
+          id: 'control3',
+          type: 'type3',
+          width: DEFAULT_CONTROL_WIDTH,
+          grow: true,
+          controlConfig: { boo: 'bear' },
+        },
+      ]);
+    });
+  });
+});
diff --git a/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/control_state_out_transforms.ts b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/control_state_out_transforms.ts
new file mode 100644
index 0000000000000..2bfc9e91e3d5d
--- /dev/null
+++ b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/control_state_out_transforms.ts
@@ -0,0 +1,63 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+import { flow } from 'lodash';
+import { SerializableRecord } from '@kbn/utility-types';
+import { DEFAULT_CONTROL_GROW, DEFAULT_CONTROL_WIDTH } from '@kbn/controls-plugin/common';
+import { ControlGroupAttributes } from '../../types';
+
+/**
+ * Transform functions for serialized controls state.
+ */
+export const transformControlsState: (
+  serializedControlState: string
+) => ControlGroupAttributes['controls'] = flow(
+  JSON.parse,
+  transformControlObjectToArray,
+  transformControlsWidthAuto,
+  transformControlsSetDefaults,
+  transformControlProperties
+);
+
+export function transformControlObjectToArray(controls: Record<string, SerializableRecord>) {
+  return Object.entries(controls).map(([id, control]) => ({ id, ...control }));
+}
+
+/**
+ * Some controls were serialized with width set to 'auto'. This function will transform those controls
+ * to have the default width and grow set to true. See @link https://github.com/elastic/kibana/issues/211113.
+ */
+export function transformControlsWidthAuto(controls: SerializableRecord[]) {
+  return controls.map((control) => {
+    if (control.width === 'auto') {
+      return { ...control, width: DEFAULT_CONTROL_WIDTH, grow: true };
+    }
+    return control;
+  });
+}
+
+// TODO We may want to remove setting defaults in the future
+export function transformControlsSetDefaults(controls: SerializableRecord[]) {
+  return controls.map((control) => ({
+    grow: DEFAULT_CONTROL_GROW,
+    width: DEFAULT_CONTROL_WIDTH,
+    ...control,
+  }));
+}
+
+export function transformControlProperties(controls: SerializableRecord[]): SerializableRecord[] {
+  return controls.map(({ explicitInput, id, type, width, grow, order }) => ({
+    controlConfig: explicitInput,
+    id,
+    grow,
+    order,
+    type,
+    width,
+  }));
+}
diff --git a/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/index.ts b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/index.ts
new file mode 100644
index 0000000000000..9f39767e598ad
--- /dev/null
+++ b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/index.ts
@@ -0,0 +1,13 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+export { transformControlGroupOut } from './control_group_out_transforms';
+export { transformSearchSourceOut } from './search_source_out_transforms';
+export { transformOptionsOut } from './options_out_transforms';
+export { transformPanelsOut } from './panels_out_transforms';
diff --git a/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/options_out_transforms.test.ts b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/options_out_transforms.test.ts
new file mode 100644
index 0000000000000..9bb72f34aa2fc
--- /dev/null
+++ b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/options_out_transforms.test.ts
@@ -0,0 +1,46 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+import { transformOptionsOut } from './options_out_transforms';
+import { DEFAULT_DASHBOARD_OPTIONS } from '../../../../../common/content_management';
+
+describe('transformOptionsOut', () => {
+  it('should parse JSON and set default options', () => {
+    const optionsJSON = JSON.stringify({});
+    const result = transformOptionsOut(optionsJSON);
+    expect(result).toEqual(DEFAULT_DASHBOARD_OPTIONS);
+  });
+
+  it('should override default options with provided options', () => {
+    const optionsJSON = JSON.stringify({ hidePanelTitles: true });
+    const result = transformOptionsOut(optionsJSON);
+    expect(result).toEqual({
+      ...DEFAULT_DASHBOARD_OPTIONS,
+      hidePanelTitles: true,
+    });
+  });
+
+  it('should pick only supported options', () => {
+    const optionsJSON = JSON.stringify({
+      hidePanelTitles: true,
+      unsupportedOption: 'value',
+    });
+    const result = transformOptionsOut(optionsJSON);
+    expect(result).toEqual({
+      ...DEFAULT_DASHBOARD_OPTIONS,
+      hidePanelTitles: true,
+    });
+    expect(result).not.toHaveProperty('unsupportedOption');
+  });
+
+  it('should handle invalid JSON gracefully', () => {
+    const optionsJSON = 'invalid JSON';
+    expect(() => transformOptionsOut(optionsJSON)).toThrow(SyntaxError);
+  });
+});
diff --git a/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/options_out_transforms.ts b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/options_out_transforms.ts
new file mode 100644
index 0000000000000..0c65160cfb64b
--- /dev/null
+++ b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/options_out_transforms.ts
@@ -0,0 +1,40 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+import { flow } from 'lodash';
+import { DEFAULT_DASHBOARD_OPTIONS } from '../../../../../common/content_management';
+import { DashboardAttributes } from '../../types';
+
+export function transformOptionsOut(optionsJSON: string): DashboardAttributes['options'] {
+  return flow(JSON.parse, transformOptionsSetDefaults, transformOptionsProperties)(optionsJSON);
+}
+
+// TODO We may want to remove setting defaults in the future
+function transformOptionsSetDefaults(options: DashboardAttributes['options']) {
+  return {
+    ...DEFAULT_DASHBOARD_OPTIONS,
+    ...options,
+  };
+}
+
+function transformOptionsProperties({
+  hidePanelTitles,
+  useMargins,
+  syncColors,
+  syncCursor,
+  syncTooltips,
+}: DashboardAttributes['options']) {
+  return {
+    hidePanelTitles,
+    useMargins,
+    syncColors,
+    syncCursor,
+    syncTooltips,
+  };
+}
diff --git a/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/panels_out_transforms.ts b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/panels_out_transforms.ts
new file mode 100644
index 0000000000000..1f67c436ec9b4
--- /dev/null
+++ b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/panels_out_transforms.ts
@@ -0,0 +1,31 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+import { flow } from 'lodash';
+import { SavedDashboardPanel } from '../../../../dashboard_saved_object';
+import { DashboardAttributes } from '../../types';
+
+export function transformPanelsOut(panelsJSON: string): DashboardAttributes['panels'] {
+  return flow(JSON.parse, transformPanelsProperties)(panelsJSON);
+}
+
+function transformPanelsProperties(panels: SavedDashboardPanel[]) {
+  return panels.map(
+    ({ embeddableConfig, gridData, id, panelIndex, panelRefName, title, type, version }) => ({
+      gridData,
+      id,
+      panelConfig: embeddableConfig,
+      panelIndex,
+      panelRefName,
+      title,
+      type,
+      version,
+    })
+  );
+}
diff --git a/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/search_source_out_transforms.ts b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/search_source_out_transforms.ts
new file mode 100644
index 0000000000000..2cf8a88be1e30
--- /dev/null
+++ b/src/platform/plugins/shared/dashboard/server/content_management/v3/transforms/out/search_source_out_transforms.ts
@@ -0,0 +1,32 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+import {
+  type Query,
+  type SerializedSearchSourceFields,
+  parseSearchSourceJSON,
+} from '@kbn/data-plugin/common';
+import { DashboardSavedObjectAttributes } from '../../../../dashboard_saved_object';
+import { DashboardAttributes } from '../../types';
+
+export function transformSearchSourceOut(
+  kibanaSavedObjectMeta: DashboardSavedObjectAttributes['kibanaSavedObjectMeta']
+): DashboardAttributes['kibanaSavedObjectMeta'] {
+  const { searchSourceJSON } = kibanaSavedObjectMeta;
+  if (!searchSourceJSON) {
+    return {};
+  }
+  // Dashboards do not yet support ES|QL (AggregateQuery) in the search source
+  return {
+    searchSource: parseSearchSourceJSON(searchSourceJSON) as Omit<
+      SerializedSearchSourceFields,
+      'query'
+    > & { query?: Query },
+  };
+}
diff --git a/x-pack/test/functional/apps/dashboard/group2/migration_smoke_tests/controls_migration_smoke_test.ts b/x-pack/test/functional/apps/dashboard/group2/migration_smoke_tests/controls_migration_smoke_test.ts
index 848be6a783849..276bb4542343e 100644
--- a/x-pack/test/functional/apps/dashboard/group2/migration_smoke_tests/controls_migration_smoke_test.ts
+++ b/x-pack/test/functional/apps/dashboard/group2/migration_smoke_tests/controls_migration_smoke_test.ts
@@ -65,6 +65,10 @@ export default function ({ getService, getPageObjects }: FtrProviderContext) {
       // There should be 0 error embeddables on the dashboard
       const errorEmbeddables = await testSubjects.findAll('embeddableStackError');
       expect(errorEmbeddables.length).to.be(0);
+
+      // There should be 2 controls on the dashboard and no errors on the controls
+      expect(await dashboardControls.getControlsCount()).to.be(2);
+      await testSubjects.missingOrFail('control-frame-error');
     });
 
     it('loads all controls from the saved dashboard', async () => {