Cleanup/v2/text editor (#5169)

# Description of Changes

<img width="2056" height="1075" alt="Screenshot 2025-12-04 at 8 16
28 PM"
src="https://github.com/user-attachments/assets/9d2deacb-e471-4711-b9ac-9ef5a64b6f23"
/>
<img width="2056" height="1070" alt="Screenshot 2025-12-04 at 8 16
51 PM"
src="https://github.com/user-attachments/assets/07f07835-c973-4f56-80fb-5efc00ff1651"
/>
<img width="728" height="517" alt="Screenshot 2025-12-04 at 8 17 04 PM"
src="https://github.com/user-attachments/assets/8c59fae0-93a8-4da5-b2e4-9a89be651b7f"
/>
<img width="388" height="218" alt="Screenshot 2025-12-04 at 8 17 29 PM"
src="https://github.com/user-attachments/assets/997e9a68-6a3b-4033-bc45-04e3945f23d5"
/>


---

## 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/public/locales/en-GB/translation.toml

@@ -6163,7 +6163,7 @@ title = "Authentication Failed"
 message = "Authentication was not successful. You can close this window and try again."
 
 [pdfTextEditor]
-title = "PDF JSON Editor"
+title = "PDF Text Editor"
 viewLabel = "PDF Editor"
 converting = "Converting PDF to editable format..."
 conversionFailed = "Failed to convert PDF. Please try again."
@@ -6192,6 +6192,8 @@ reset = "Reset Changes"
 downloadJson = "Download JSON"
 generatePdf = "Generate PDF"
 saveChanges = "Save Changes"
+applyChanges = "Apply Changes"
+downloadCopy = "Download Copy"
 
 [pdfTextEditor.options.autoScaleText]
 title = "Auto-scale text to fit boxes"
@@ -6210,6 +6212,24 @@ descriptionInline = "Tip: Hold Ctrl (Cmd) or Shift to multi-select text boxes. A
 title = "Lock edited text to a single PDF element"
 description = "When enabled, the editor exports each edited text box as one PDF text element to avoid overlapping glyphs or mixed fonts."
 
+[pdfTextEditor.options.advanced]
+title = "Advanced Settings"
+
+[pdfTextEditor.tooltip.header]
+title = "Preview Limitations"
+
+[pdfTextEditor.tooltip.textFocus]
+title = "Text and Image Focus"
+text = "This workspace focuses on editing text and repositioning embedded images. Complex page artwork, form widgets, and layered graphics are preserved for export but are not fully editable here."
+
+[pdfTextEditor.tooltip.previewVariance]
+title = "Preview Variance"
+text = "Some visuals (such as table borders, shapes, or annotation appearances) may not display exactly in the preview. The exported PDF keeps the original drawing commands whenever possible."
+
+[pdfTextEditor.tooltip.alpha]
+title = "Alpha Viewer"
+text = "This alpha viewer is still evolving—certain fonts, colours, transparency effects, and layout details may shift slightly. Please double-check the generated PDF before sharing."
+
 [pdfTextEditor.manual]
 mergeTooltip = "Merge selected boxes"
 merge = "Merge selection"
@@ -6229,8 +6249,8 @@ alpha = "This alpha viewer is still evolving—certain fonts, colours, transpare
 [pdfTextEditor.empty]
 title = "No document loaded"
 subtitle = "Load a PDF or JSON file to begin editing text content."
-dropzone = "Drag and drop a PDF or JSON file here, or click to browse"
-dropzoneWithFiles = "Select a file from the Files tab, or drag and drop a PDF or JSON file here, or click to browse"
+dropzone = "Drag and drop a PDF here, or click to browse"
+dropzoneWithFiles = "Select a file from the Files tab, or drag and drop a PDF here, or click to browse"
 
 [pdfTextEditor.welcomeBanner]
 title = "Welcome to PDF Text Editor (Early Access)"