Previous value: -"One of three shapes. A published guide: title, url, short_answer, key_scripts and, when available, practice_url (no status field). No guide on the topic: status \"no_article_yet\" with guides_hub and, when a public practice scenario is about the same situation, nearest_practice_situation. Topic not covered: status \"not_covered\" with topic_area and note, and no link."New value: +"One of three shapes. A published guide or scenario page: page_type, title, url, short_answer, key_scripts and, when available, practice_url (no status field). Nothing published on the topic: status \"no_article_yet\" with guides_hub and, when a public practice scenario is about the same situation, nearest_practice_situation. Topic not covered: status \"not_covered\" with topic_area and note, and no link."

Previous value: -"The list of all published guides. Present with status no_article_yet."New value: +"The list of all published what-to-say guides. Present with status no_article_yet."

Added value: +{
+  "description": "Scenario pages only: the same reply worded for each age band the page shows.",
+  "items": {
+    "properties": {
+      "ages": {
+        "description": "e.g. \"6–8\".",
+        "type": "string"
+      },
+      "say": {
+        "type": "string"
+      }
+    },
+    "required": [
+      "ages",
+      "say"
+    ],
+    "type": "object"
+  },
+  "type": "array"
+}

Added value: +"The line. On a scenario page: the reply for the middle age band."

Added value: +"When the line fits, or why it works."

Previous value: -"Present with a guide, and with nearest_practice_situation."New value: +"Present with a guide or scenario page, and with nearest_practice_situation."

Previous value: -"The guide's page, which has all of its lines. Present only when the guide has more than 8."New value: +"The page, which has all of its lines. Present only when it has more than 8."

Added value: +{
+  "description": "Present with an answer: a /what-to-say guide, or a /scenarios page about one situation (its short answer is the page's introduction and advice for parents, its key_scripts the page's example replies by age).",
+  "enum": [
+    "what_to_say_guide",
+    "scenario_page"
+  ],
+  "type": "string"
+}

Previous value: -"What the practice link is, and the ages the scenario is written for when narrower than the guide's."New value: +"What the practice link is, and the ages the scenario is written for when narrower than the guide's or page's."

Previous value: -"A practice scenario on a similar situation; opens without an account. Present only when the guide has one."New value: +"A practice scenario on a similar situation; opens without an account. Present only when the guide or page has one."

Previous value: -"Name and credentials of the guide's reviewer. Present only when the guide has a named reviewer."New value: +"Name and credentials of the page's reviewer. Present only when the page has a named reviewer."

Previous value: -"Absent when a guide is returned."New value: +"Absent when a guide or scenario page is returned."

Previous value: -"Either a published guide (title, url, short_answer, key_scripts and, when available, practice_url) or status \"no_article_yet\" with the list of published guides and the nearest public practice scenario."New value: +"One of three shapes. A published guide: title, url, short_answer, key_scripts and, when available, practice_url (no status field). No guide on the topic: status \"no_article_yet\" with guides_hub and, when a public practice scenario is about the same situation, nearest_practice_situation. Topic not covered: status \"not_covered\" with topic_area and note, and no link."

Added value: +"The list of all published guides. Present with status no_article_yet."

Added value: +"Lines a child can say, at most 8."

Added value: +{
+  "say": {
+    "type": "string"
+  },
+  "when": {
+    "type": "string"
+  }
+}

Added value: +[
+  "say"
+]

Previous value: -"For a guide: \"close\". With status no_article_yet: how well nearest_practice_situation fits, \"close\" or \"loose\"."New value: +"Present with a guide, and with nearest_practice_situation."

Added value: +[
+  "close"
+]

Added value: +{
+  "description": "The guide's page, which has all of its lines. Present only when the guide has more than 8.",
+  "type": "string"
+}

Added value: +"A public practice scenario about the same situation. Present only with status no_article_yet, and only when one fits closely."

Added value: +{
+  "age_note": {
+    "description": "Present when the scenario is not written for the age that was asked about.",
+    "type": "string"
+  },
+  "ages": {
+    "description": "Ages the scenario is written for, e.g. \"8–14\".",
+    "type": "string"
+  },
+  "play_url": {
+    "description": "Opens the scenario without an account.",
+    "type": "string"
+  },
+  "scenario_page_url": {
+    "description": "Published page for parents about this situation, when there is one.",
+    "type": "string"
+  },
+  "situation": {
+    "description": "Short excerpt of the scenario text.",
+    "type": "string"
+  },
+  "title": {
+    "type": "string"
+  },
+  "traits_practised": {
+    "items": {
+      "type": "string"
+    },
+    "type": "array"
+  },
+  "what_to_say_guide_url": {
+    "description": "Published what-to-say guide that uses this scenario, when there is one.",
+    "type": "string"
+  }
+}

Added value: +[
+  "title",
+  "situation",
+  "ages",
+  "play_url"
+]

Previous value: -[
-  "object",
-  "null"
-]New value: +"object"

Added value: +{
+  "type": "string"
+}

Removed value: -{
-  "items": {
-    "type": "string"
-  },
-  "type": "array"
-}

Added value: +{
+  "description": "Name and credentials of the guide's reviewer. Present only when the guide has a named reviewer.",
+  "type": "string"
+}

Added value: +"Absent when a guide is returned."

Added value: +[
+  "no_article_yet",
+  "not_covered"
+]

Added value: +{
+  "description": "With status not_covered: the kind of topic that was recognised.",
+  "enum": [
+    "self_harm_or_suicide",
+    "abuse_or_sexual_harm",
+    "violence_or_weapons",
+    "eating_or_body",
+    "medical_or_diagnostic",
+    "legal",
+    "bereavement_or_serious_illness"
+  ],
+  "type": "string"
+}

Added value: +{
+  "description": "Where to get urgent help: the wording of the guide's own section of that name, or, with status not_covered, the same published wording for topics involving risk of harm.",
+  "type": "string"
+}