feat(react): introduce EmbeddedStreamClient for drop-in video calls

- add support for children

Author: jdimovska

packages/react-sdk/src/embedded/livestream/EmbeddedLivestream.tsx

@@ -28,10 +28,24 @@ import { LivestreamUI } from './LivestreamUI';
  *   user={{ type: 'anonymous' }}
  *   callId="my-stream"
  * />
+ *
+ * // With additional content alongside the default UI
+ * <EmbeddedLivestream
+ *   apiKey="YOUR_API_KEY"
+ *   user={{ type: 'authenticated', id: 'host-1', name: 'Jane' }}
+ *   callId="my-stream"
+ *   token="user-token"
+ * >
+ *   <MyCustomOverlay />
+ * </EmbeddedLivestream>
  * ```
  */
-export const EmbeddedLivestream = (props: EmbeddedLivestreamProps) => (
+export const EmbeddedLivestream = ({
+  children,
+  ...props
+}: EmbeddedLivestreamProps) => (
   <EmbeddedClientProvider {...props}>
     <LivestreamUI />
+    {children}
   </EmbeddedClientProvider>
 );

packages/react-sdk/src/embedded/meeting/EmbeddedMeeting.tsx

@@ -32,10 +32,24 @@ import { CallStateRouter } from './CallStateRouter';
  *   user={{ type: 'anonymous' }}
  *   callId="my-meeting"
  * />
+ *
+ * // With additional content alongside the default UI
+ * <EmbeddedMeeting
+ *   apiKey="YOUR_API_KEY"
+ *   user={{ type: 'authenticated', id: 'user-1', name: 'John' }}
+ *   callId="my-meeting"
+ *   token="user-token"
+ * >
+ *   <MyCustomPanel />
+ * </EmbeddedMeeting>
  * ```
  */
-export const EmbeddedMeeting = (props: EmbeddedMeetingProps) => (
+export const EmbeddedMeeting = ({
+  children,
+  ...props
+}: EmbeddedMeetingProps) => (
   <EmbeddedClientProvider {...props}>
     <CallStateRouter />
+    {children}
   </EmbeddedClientProvider>
 );

packages/react-sdk/src/embedded/types.ts

@@ -1,4 +1,4 @@
-import type { CSSProperties } from 'react';
+import type { CSSProperties, ReactNode } from 'react';
 
 /**
  * Log level for the StreamVideoClient.
@@ -84,6 +84,7 @@ export interface EmbeddedClientBaseProps {
   layout?: LayoutOption;
   style?: CSSProperties;
   onError?: (error: any) => void;
+  children?: ReactNode;
 }
 
 /**