fix(admin-v2): Restore HEAD SDK files for compatibility with new pages

Restore the SDK context, types, and component files to the HEAD version
since newer pages (company-profile, import) depend on these API changes.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

admin-v2/components/sdk/DocumentUpload/DocumentUploadSection.tsx

@@ -165,6 +165,12 @@ function QRCodeModal({ isOpen, onClose, sessionId }: QRModalProps) {
       }
     })
 
+    // Force HTTP for mobile access (SSL cert is for hostname, not IP)
+    // This is safe because it's only used on the local network
+    if (baseUrl.startsWith('https://')) {
+      baseUrl = baseUrl.replace('https://', 'http://')
+    }
+
     const uploadPath = `/upload/sdk/${sessionId}`
     const fullUrl = `${baseUrl}${uploadPath}`
     setUploadUrl(fullUrl)