annotations: (un)identified client clarifications

Specifies which summarization methods unidentified clients may use.
Describes how to require that all clients are identified via the
Identified channel rule.

Author: mschristensen

src/pages/docs/messages/annotations.mdx

@@ -295,6 +295,12 @@ If the same client publishes an annotation of a given type to the same message t
 }
 ```
 
+<Aside data-type="note">
+[Unidentified](/docs/auth/identified-clients#unidentified) clients can publish `total.v1` annotations.
+
+You can use the Identified [channel rule](/docs/channels#rules) to prevent unidentified clients from publishing annotations.
+</Aside>
+
 
 ### Flag
 
@@ -314,7 +320,7 @@ A given client can contribute to the summary only once per [annotation type](#an
 ```
 
 <Aside data-type="note">
-You must specify a `clientId`in the [client options](/docs/api/realtime-sdk#client-options) to publish `flag.v1` annotations.
+Clients must be [identified](/docs/auth/identified-clients) to publish `flag.v1` annotations.
 </Aside>
 
 
@@ -342,7 +348,7 @@ A given client can contribute to the summary for a particular annotation `name`
 [Deleting](#delete) an annotation removes the `clientId` from the list of clients that contributed to the summary for that `name`, and decrements the total count for that `name`.
 
 <Aside data-type="note">
-You must specify a `clientId`in the [client options](/docs/api/realtime-sdk#client-options) to publish `distinct.v1` annotations.
+Clients must be [identified](/docs/auth/identified-clients) to publish `distinct.v1` annotations.
 </Aside>
 
 ### Unique
@@ -369,7 +375,7 @@ A given client can contribute to the summary for a particular annotation `name`
 [Deleting](#delete) an annotation removes the `clientId` from the list of clients that contributed to the summary for that `name`, and decrements the total count for that `name`.
 
 <Aside data-type="note">
-You must specify a `clientId`in the [client options](/docs/api/realtime-sdk#client-options) to publish `unique.v1` annotations.
+Clients must be [identified](/docs/auth/identified-clients) to publish `unique.v1` annotations.
 </Aside>
 
 ### Multiple
@@ -404,3 +410,9 @@ If a client specifies a `count` when publishing an annotation, the client's cont
 ```
 
 [Deleting](#delete) an annotation removes all contributions made by that `clientId` for that `name`.
+
+<Aside data-type="note">
+[Unidentified](/docs/auth/identified-clients#unidentified) clients can publish `multiple.v1` annotations.
+
+You can use the Identified [channel rule](/docs/channels#rules) to prevent unidentified clients from publishing annotations.
+</Aside>