update fields, remove user_agent

Author: mydea

develop-docs/sdk/data-model/event-payloads/contexts.mdx

@@ -782,17 +782,29 @@ envelope endpoint.
 
 Page context contains information about the page that the event occurred on.
 
-`url`
+`full.url`
 
-: **Required.** The URL of the page that the event occurred on.
+: **Required.** The URL of the page that the event occurred on, including query parameters.
 
-- Example: `https://sentry.io/issues?page=1`
+- Example: `https://sentry.io/issues?page=1#123`
 
-`user_agent`
+`http.url`
 
-: _Optional_. The user agent of the page that the event occurred on.
+: **Required.** The URL of the page that the event occurred on, excluding query parameters.
 
-- Example: `Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36`
+- Example: `https://sentry.io/issues`
+
+`http.query`
+
+: **Optional.** The query parameters of the page that the event occurred on.
+
+- Example: `?page=1`
+
+`http.fragment`
+
+: **Optional.** The fragment of the page that the event occurred on.
+
+- Example: `#123`
 
 `referer`
 
@@ -806,8 +818,10 @@ Page context contains information about the page that the event occurred on.
 {
   "contexts": {
     "page": {
-      "url": "https://sentry.io/issues?page=1",
-      "user_agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36",
+      "full.url": "https://sentry.io/issues?page=1#123",
+      "http.url": "https://sentry.io/issues",
+      "http.query": "?page=1",
+      "http.fragment": "#123",
       "referer": "https://sentry.io/"
     }
   }