Feature/v2/tooltips (#4112)

# Description of Changes

- added tooltips to ocr and compress
- added the tooltip component which can be used either directly, or
through the toolstep component

---

## 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/tools/Compress.tsx

@@ -17,6 +17,7 @@ import CompressSettings from "../components/tools/compress/CompressSettings";
 import { useCompressParameters } from "../hooks/tools/compress/useCompressParameters";
 import { useCompressOperation } from "../hooks/tools/compress/useCompressOperation";
 import { BaseToolProps } from "../types/tool";
+import { CompressTips } from "../components/tooltips/CompressTips";
 
 const Compress = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
   const { t } = useTranslation();
@@ -25,6 +26,7 @@ const Compress = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
 
   const compressParams = useCompressParameters();
   const compressOperation = useCompressOperation();
+  const compressTips = CompressTips();
 
   // Endpoint validation
   const { enabled: endpointEnabled, loading: endpointLoading } = useEndpointEnabled("compress-pdf");
@@ -104,6 +106,7 @@ const Compress = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
           isCompleted={settingsCollapsed}
           onCollapsedClick={settingsCollapsed ? handleSettingsReset : undefined}
           completedMessage={settingsCollapsed ? "Compression completed" : undefined}
+          tooltip={compressTips}
         >
           <Stack gap="sm">
             <CompressSettings

frontend/src/tools/OCR.tsx

@@ -18,6 +18,7 @@ import AdvancedOCRSettings from "../components/tools/ocr/AdvancedOCRSettings";
 import { useOCRParameters } from "../hooks/tools/ocr/useOCRParameters";
 import { useOCROperation } from "../hooks/tools/ocr/useOCROperation";
 import { BaseToolProps } from "../types/tool";
+import { OcrTips } from "../components/tooltips/OCRTips";
 
 const OCR = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
   const { t } = useTranslation();
@@ -26,6 +27,7 @@ const OCR = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
 
   const ocrParams = useOCRParameters();
   const ocrOperation = useOCROperation();
+  const ocrTips = OcrTips();
 
   // Step expansion state management
   const [expandedStep, setExpandedStep] = useState<'files' | 'settings' | 'advanced' | null>('files');
@@ -126,6 +128,7 @@ const OCR = ({ onPreviewFile, onComplete, onError }: BaseToolProps) => {
             setExpandedStep(expandedStep === 'settings' ? null : 'settings');
           }}
           completedMessage={hasFiles && hasValidSettings && settingsCollapsed ? "Basic settings configured" : undefined}
+          tooltip={ocrTips}
         >
           <Stack gap="sm">
             <OCRSettings