Add new fields to analytics event context: status, page_type, page_document_type (#21115)

* Add new fields to analytics event context: status, page-type, page-document-type

* Update schema-event.js

* Typescript

* Add status meta to error pages

* Update DefaultLayout.tsx

* Update DefaultLayout.tsx

* Update building-and-testing-nodejs-or-python.tsx

lib/schema-event.js

@@ -63,6 +63,22 @@ const context = {
       description: 'The language the user is viewing.',
       enum: Object.keys(languages),
     },
+    page_document_type: {
+      type: 'string',
+      description: 'The generic page document type based on URL path.',
+      enum: ['homepage', 'early-access', 'product', 'category', 'mapTopic', 'article'], // get-document-type.js
+    },
+    page_type: {
+      type: 'string',
+      description: 'Optional page type from the content frontmatter.',
+      enum: ['overview', 'quick_start', 'tutorial', 'how_to', 'reference'], // frontmatter.js
+    },
+    status: {
+      type: 'number',
+      description: 'The HTTP response status code of the main page HTML.',
+      minimum: 0,
+      maximum: 999,
+    },
 
     // Device information
     os: {