plumb dsaFeaturesEnabled through to Local relay

allows folks to do the following anywhere in the
stream or admin:

```
const [{ dsaFeaturesEnabled }] =
  useLocal<SomeLocal>(graphql`
    fragment SomeLocal on Local {
      dsaFeaturesEnabled
    }
  `);
```

client/src/core/client/admin/local/initLocalState.ts

@@ -4,14 +4,13 @@ import {
   ADMIN_REDIRECT_PATH_KEY,
   MOD_QUEUE_SORT_ORDER,
 } from "coral-admin/constants";
+import { DEFAULT_AUTO_ARCHIVE_OLDER_THAN } from "coral-common/common/lib/constants";
 import { clearHash, getParamsFromHash } from "coral-framework/helpers";
 import { parseAccessToken } from "coral-framework/lib/auth";
 import { InitLocalState } from "coral-framework/lib/bootstrap/createManaged";
 import { initLocalBaseState, LOCAL_ID } from "coral-framework/lib/relay";
 import { GQLCOMMENT_SORT } from "coral-framework/schema";
 
-import { DEFAULT_AUTO_ARCHIVE_OLDER_THAN } from "coral-common/common/lib/constants";
-
 /**
  * Initializes the local state, before we start the App.
  */
@@ -66,6 +65,8 @@ const initLocalState: InitLocalState = async ({
   const autoArchiveOlderThanMs =
     staticConfig?.autoArchiveOlderThanMs ?? DEFAULT_AUTO_ARCHIVE_OLDER_THAN;
 
+  const dsaFeaturesEnabled = staticConfig?.dsaFeaturesEnabled ?? false;
+
   commitLocalUpdate(environment, (s) => {
     const localRecord = s.get(LOCAL_ID)!;
 
@@ -83,6 +84,8 @@ const initLocalState: InitLocalState = async ({
 
     localRecord.setValue(archivingEnabled, "archivingEnabled");
     localRecord.setValue(autoArchiveOlderThanMs, "autoArchiveOlderThanMs");
+
+    localRecord.setValue(dsaFeaturesEnabled, "dsaFeaturesEnabled");
   });
 };
 

client/src/core/client/admin/local/local.graphql

@@ -48,4 +48,6 @@ extend type Local {
 
   archivingEnabled: Boolean!
   autoArchiveOlderThanMs: Int!
+
+  dsaFeaturesEnabled: Boolean
 }

client/src/core/client/stream/local/initLocalState.ts

@@ -20,6 +20,7 @@ import { AUTH_POPUP_ID, AUTH_POPUP_TYPE } from "./constants";
 interface ResolvedConfig {
   readonly featureFlags: string[];
   readonly flattenReplies?: boolean | null;
+  readonly dsaFeaturesEnabled?: boolean;
 }
 
 async function resolveConfig(
@@ -39,13 +40,22 @@ async function resolveConfig(
           settings {
             flattenReplies
             featureFlags
+            dsa {
+              enabled
+            }
           }
         }
       `,
       {}
     );
 
-    return data.settings as ResolvedConfig;
+    const { settings } = data;
+
+    return {
+      flattenReplies: settings.flattenReplies,
+      featureFlags: settings.featureFlags,
+      dsaFeaturesEnabled: settings.dsa.enabled ?? false,
+    } as ResolvedConfig;
   }
   return {
     featureFlags: [],
@@ -166,5 +176,8 @@ export const createInitLocalState: (options: Options) => InitLocalState =
 
       localRecord.setValue(false, "showCommentIDs");
       localRecord.setValue(false, "refreshStream");
+
+      const dsaFeaturesEnabled = staticConfig?.dsaFeaturesEnabled ?? false;
+      localRecord.setValue(dsaFeaturesEnabled, "dsaFeaturesEnabled");
     });
   };

client/src/core/client/stream/local/local.graphql

@@ -127,4 +127,6 @@ extend type Local {
 
   # Refreshes stream for refresh comments button
   refreshStream: Boolean
+
+  dsaFeaturesEnabled: Boolean
 }

config/lib/config.ts

@@ -71,6 +71,12 @@ export interface StaticConfig {
    * be kept before being auto-archived.
    */
   autoArchiveOlderThanMs: number;
+
+  /**
+   * dsaFeaturesEnabled is true when the DSA European Union features for content
+   * moderation and illegal reporting are enabled on the tenant.
+   */
+  dsaFeaturesEnabled?: boolean;
 }
 
 export interface EmbedBootstrapConfig {

server/src/core/server/app/router/client.ts

@@ -143,11 +143,14 @@ const populateStaticConfig = (staticConfig: StaticConfig, req: Request) => {
     req.coral.tenant?.featureFlags?.filter(validFeatureFlagsFilter(req.user)) ||
     [];
   const flattenReplies = req.coral.tenant?.flattenReplies || false;
+  const dsaFeaturesEnabled = req.coral.tenant?.dsa?.enabled ?? false;
+
   return {
     ...staticConfig,
     featureFlags,
     tenantDomain: req.coral.tenant?.domain,
     flattenReplies,
+    dsaFeaturesEnabled,
   };
 };