Feature/v2/shared tool hooks (#4134)

# Description of Changes

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- Why the change was made
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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.

---------

Co-authored-by: Reece Browne <[email protected]>

frontend/src/utils/toolResponseProcessor.ts

@@ -0,0 +1,25 @@
+// Note: This utility should be used with useToolResources for ZIP operations
+
+export type ResponseHandler = (blob: Blob, originalFiles: File[]) => Promise<File[]> | File[];
+
+/**
+ * Processes a blob response into File(s).
+ * - If a tool-specific responseHandler is provided, it is used.
+ * - Otherwise, create a single file using the filePrefix + original name.
+ */
+export async function processResponse(
+  blob: Blob,
+  originalFiles: File[],
+  filePrefix: string,
+  responseHandler?: ResponseHandler
+): Promise<File[]> {
+  if (responseHandler) {
+    const out = await responseHandler(blob, originalFiles);
+    return Array.isArray(out) ? out : [out as unknown as File];
+  }
+
+  const original = originalFiles[0]?.name ?? 'result.pdf';
+  const name = `${filePrefix}${original}`;
+  const type = blob.type || 'application/octet-stream';
+  return [new File([blob], name, { type })];
+}