feat(chat): adopt flipcash2 0.17.0 (group descriptions)

apps/flipcash/shared/chat/src/main/kotlin/com/flipcash/shared/chat/internal/delegates/EventStreamDelegate.kt

@@ -425,6 +425,10 @@ class EventStreamDelegate @Inject constructor(
                     // GetChat rather than waiting on a later update to correct it.
                     metadataDataSource.updateTitle(chatId, metaUpdate.newTitle)
                 }
+                is MetadataUpdate.DescriptionChanged -> {
+                    // Same best-effort contract as TitleChanged above. Empty means cleared.
+                    metadataDataSource.updateDescription(chatId, metaUpdate.newDescription)
+                }
                 is MetadataUpdate.PictureChanged -> {
                     // Same best-effort contract as TitleChanged above.
                     metadataDataSource.updatePicture(chatId, metaUpdate.newPicture)

apps/flipcash/shared/chat/src/test/kotlin/com/flipcash/shared/chat/ChatMetadataEditStreamTest.kt

@@ -159,6 +159,24 @@ class ChatMetadataEditStreamTest {
         }
     }
 
+    @Test
+    fun `a description change from the stream is stored`() = runTest(testDispatchers.dispatcher) {
+        tornDown {
+            triggerCollection()
+
+            chatUpdatesChannel.send(
+                ChatUpdate(
+                    chatId = chatId,
+                    metadataUpdates = listOf(MetadataUpdate.DescriptionChanged("New description")),
+                ),
+            )
+            advanceTimeBy(1_000.milliseconds)
+            runCurrent()
+
+            coVerify(exactly = 1) { metadataDataSource.updateDescription(chatId, "New description") }
+        }
+    }
+
     @Test
     fun `a picture change from the stream is stored`() = runTest(testDispatchers.dispatcher) {
         tornDown {