V2 Unlock forms (#4237)

# Description of Changes

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Please provide a summary of the changes, including:

- What was changed
- Why the change was made
- Any challenges encountered

Closes #(issue_number)
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---

## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md#6-testing)
for more details.

frontend/src/hooks/tools/unlockPdfForms/useUnlockPdfFormsOperation.ts

@@ -0,0 +1,23 @@
+import { useTranslation } from 'react-i18next';
+import { useToolOperation } from '../shared/useToolOperation';
+import { createStandardErrorHandler } from '../../../utils/toolErrorHandler';
+import { UnlockPdfFormsParameters } from './useUnlockPdfFormsParameters';
+
+export const useUnlockPdfFormsOperation = () => {
+  const { t } = useTranslation();
+
+  const buildFormData = (parameters: UnlockPdfFormsParameters, file: File): FormData => {
+    const formData = new FormData();
+    formData.append("fileInput", file);
+    return formData;
+  };
+
+  return useToolOperation<UnlockPdfFormsParameters>({
+    operationType: 'unlockPdfForms',
+    endpoint: '/api/v1/misc/unlock-pdf-forms',
+    buildFormData,
+    filePrefix: t('unlockPDFForms.filenamePrefix', 'unlocked_forms') + '_',
+    multiFileEndpoint: false,
+    getErrorMessage: createStandardErrorHandler(t('unlockPDFForms.error.failed', 'An error occurred while unlocking PDF forms.'))
+  });
+};

frontend/src/hooks/tools/unlockPdfForms/useUnlockPdfFormsParameters.ts

@@ -0,0 +1,19 @@
+import { BaseParameters } from '../../../types/parameters';
+import { useBaseParameters, BaseParametersHook } from '../shared/useBaseParameters';
+
+export interface UnlockPdfFormsParameters extends BaseParameters {
+  // Extends BaseParameters - ready for future parameter additions if needed
+}
+
+export const defaultParameters: UnlockPdfFormsParameters = {
+  // No parameters needed
+};
+
+export type UnlockPdfFormsParametersHook = BaseParametersHook<UnlockPdfFormsParameters>;
+
+export const useUnlockPdfFormsParameters = (): UnlockPdfFormsParametersHook => {
+  return useBaseParameters({
+    defaultParameters,
+    endpointName: 'unlock-pdf-forms',
+  });
+};