feat: UI changes for document auto sync [AI-153] (#14258)

# Pull Request Template

## Description

FE code for document sync

Adds:
- UI to show counts (stats) of available web pages, stale and synced
documents and last synced at
- Bulk action and manual ways to sync web documents
- index to stats related columns

## Type of change

Please delete options that are not relevant.

- [x] New feature (non-breaking change which adds functionality)

## How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide
instructions so we can reproduce. Please also list any relevant details
for your test configuration.

https://linear.app/chatwoot/issue/AI-153/fe-document-auto-sync

Documents dashboard:
<img width="2160" height="986" alt="CleanShot 2026-05-11 at 17 57 09@2x"
src="https://github.com/user-attachments/assets/6d934764-964c-4656-b005-1b4f0329e553"
/>

Filters:
<img width="1138" height="564" alt="CleanShot 2026-05-11 at 17 58 13@2x"
src="https://github.com/user-attachments/assets/cee780e6-eb8f-4aed-8cc5-b674244a821b"
/>

Needs update:
<img width="2222" height="966" alt="CleanShot 2026-05-11 at 17 57 53@2x"
src="https://github.com/user-attachments/assets/70c85ddd-7eb1-4328-ba14-7929e67e7b36"
/>

pdfs:
<img width="2180" height="558" alt="CleanShot 2026-05-11 at 17 58 30@2x"
src="https://github.com/user-attachments/assets/975b5c9f-bd1c-4979-9870-8f926d7f6e11"
/>

bulk actions:
<img width="2244" height="992" alt="CleanShot 2026-05-11 at 17 58 57@2x"
src="https://github.com/user-attachments/assets/bdb3c63f-d2de-41dc-a6d5-8821d3303be0"
/>

single url sync:
<img width="2264" height="722" alt="CleanShot 2026-05-11 at 17 59 19@2x"
src="https://github.com/user-attachments/assets/7d7323a5-0fcb-4be9-8635-55e56964999b"
/>



## Checklist:

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [x] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [x] Any dependent changes have been merged and published in downstream
modules

---------

Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>
Co-authored-by: iamsivin <iamsivin@gmail.com>
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>
Co-authored-by: Sony Mathew <sony@chatwoot.com>
Co-authored-by: Vishnu Narayanan <iamwishnu@gmail.com>

app/javascript/shared/helpers/specs/documentHelper.spec.js

@@ -1,5 +1,6 @@
 import {
   isPdfDocument,
+  isSafeHttpLink,
   formatDocumentLink,
 } from 'shared/helpers/documentHelper';
 
@@ -31,6 +32,35 @@ describe('documentHelper', () => {
     });
   });
 
+  describe('#isSafeHttpLink', () => {
+    it('returns true for http and https URLs', () => {
+      expect(isSafeHttpLink('http://example.com')).toBe(true);
+      expect(isSafeHttpLink('https://example.com/path?q=1#x')).toBe(true);
+      expect(isSafeHttpLink('HTTPS://EXAMPLE.COM')).toBe(true);
+    });
+
+    /* eslint-disable no-script-url */
+    it('returns false for javascript: and other dangerous schemes', () => {
+      expect(isSafeHttpLink('javascript:alert(1)')).toBe(false);
+      expect(isSafeHttpLink('JavaScript:alert(1)')).toBe(false);
+      expect(isSafeHttpLink('data:text/html,<script>alert(1)</script>')).toBe(
+        false
+      );
+      expect(isSafeHttpLink('vbscript:msgbox(1)')).toBe(false);
+      expect(isSafeHttpLink('file:///etc/passwd')).toBe(false);
+      expect(isSafeHttpLink('ftp://files.example.com/doc.pdf')).toBe(false);
+    });
+    /* eslint-enable no-script-url */
+
+    it('returns false for invalid or empty values', () => {
+      expect(isSafeHttpLink('')).toBe(false);
+      expect(isSafeHttpLink(null)).toBe(false);
+      expect(isSafeHttpLink(undefined)).toBe(false);
+      expect(isSafeHttpLink('not a url')).toBe(false);
+      expect(isSafeHttpLink('//example.com')).toBe(false);
+    });
+  });
+
   describe('#formatDocumentLink', () => {
     describe('PDF documents', () => {
       it('removes PDF: prefix from PDF documents', () => {
@@ -78,32 +108,30 @@ describe('documentHelper', () => {
     });
 
     describe('Regular URLs', () => {
-      it('returns regular URLs unchanged', () => {
-        expect(formatDocumentLink('https://example.com')).toBe(
-          'https://example.com'
-        );
+      it('removes http(s) and www prefixes for compact display', () => {
+        expect(formatDocumentLink('https://example.com')).toBe('example.com');
         expect(formatDocumentLink('http://docs.example.com/api')).toBe(
-          'http://docs.example.com/api'
+          'docs.example.com/api'
         );
-        expect(formatDocumentLink('https://github.com/user/repo')).toBe(
-          'https://github.com/user/repo'
+        expect(formatDocumentLink('https://www.github.com/user/repo')).toBe(
+          'github.com/user/repo'
         );
       });
 
       it('handles URLs with query parameters', () => {
         expect(formatDocumentLink('https://example.com?param=value')).toBe(
-          'https://example.com?param=value'
+          'example.com?param=value'
         );
         expect(
           formatDocumentLink(
             'https://api.example.com/docs?version=v1&format=json'
           )
-        ).toBe('https://api.example.com/docs?version=v1&format=json');
+        ).toBe('api.example.com/docs?version=v1&format=json');
       });
 
       it('handles URLs with fragments', () => {
         expect(formatDocumentLink('https://example.com/docs#section1')).toBe(
-          'https://example.com/docs#section1'
+          'example.com/docs#section1'
         );
       });
     });