validate frontmatter structure

deploy-manage/remote-clusters.md

@@ -5,7 +5,7 @@ applies_to:
     eck: ga
     ess: ga
     self: ga
-    serverless: unavailable
+  serverless: unavailable
 ---
 
 # Remote clusters [remote-clusters]

frontmatter.config.yml

@@ -1,4 +1,16 @@
 valid_items:
+  - key: layout
+    type: string
+    valid_values:
+      - archive
+      - landing-page
+      - not-found
+  - key: navigation_title
+    type: string
+  - key: description
+    type: string
+  - key: mapped_pages
+    type: array
   - key: applies_to
     type: object
     children:
@@ -26,16 +38,6 @@ valid_items:
             type: string
       - key: product
         type: string
-  - key: layout
-    type: string
-    valid_values:
-      - archive
-      - landing-page
-      - not-found
-  - key: mapped_pages
-    type: array
-  - key: navigation_title
-    type: string
   - key: products
     type: array
     valid_values:
@@ -102,4 +104,6 @@ valid_items:
       - Observability
       - Reference Architectures
       - Search UI
-      - Security
+      - Security
+  - key: sub
+    type: object

manage-data/ingest/tools.md

@@ -13,7 +13,8 @@ applies_to:
   serverless: ga
 products:
   - Cloud Hosted
-  - Fleet Elastic Agent
+  - Fleet
+  - Elastic Agent
   - Kibana
   - Cloud Serverless
 ---

reference/fleet/index.md

@@ -9,7 +9,8 @@ applies_to:
   stack:
 products:
   - Cloud Serverless
-  - Fleet Elastic Agent
+  - Fleet
+  - Elastic Agent
   - Kibana
 ---
 

solutions/observability/get-started/quickstart-elastic-cloud-otel-endpoint.md

@@ -1,5 +1,5 @@
 ---
-mapped_urls:
+mapped_pages:
   - https://www.elastic.co/guide/en/serverless/current/collect-data-with-native-otlp.html
 applies_to:
   serverless:
@@ -64,7 +64,7 @@ The Elastic Cloud Managed OTLP Endpoint ensures that OpenTelemetry data is store
     The response should be similar to:
 
     ```txt
-    {"partialSuccess":{}}% 
+    {"partialSuccess":{}}%
     ```
 
 ### Send data to your Elastic Cloud Managed OTLP endpoint
@@ -100,7 +100,7 @@ See the [EDOT Language SDK documentation](https://elastic.github.io/opentelemetr
 
 Configure your OTel SDK with the following environment variables:
 
-* Elastic Cloud Managed OTLP endpoint: `OTEL_EXPORTER_OTLP_ENDPOINT` 
+* Elastic Cloud Managed OTLP endpoint: `OTEL_EXPORTER_OTLP_ENDPOINT`
 * Elastic API key: `OTEL_EXPORTER_OTLP_HEADERS`
 
 For example:

solutions/observability/otlp-visualize.md

@@ -1,5 +1,5 @@
 ---
-mapped_urls:
+mapped_pages:
   - https://www.elastic.co/guide/en/serverless/current/otlp-visualize.html
 applies_to:
   serverless: