chore(legacy): relocate v1 dataconnect source

legacy/dataconnect-v1/connector/userConversation/mutations.gql

@@ -0,0 +1,74 @@
+
+mutation createUserConversation(
+  $conversationId: UUID!
+  $userId: String!
+  $unreadCount: Int
+  $lastReadAt: Timestamp
+) @auth(level: USER) {
+  userConversation_insert(
+    data: {
+      conversationId: $conversationId
+      userId: $userId
+      unreadCount: $unreadCount
+      lastReadAt: $lastReadAt
+    }
+  )
+}
+
+mutation updateUserConversation(
+  $conversationId: UUID!
+  $userId: String!
+  $unreadCount: Int
+  $lastReadAt: Timestamp
+) @auth(level: USER) {
+  userConversation_update(
+    key: { conversationId: $conversationId, userId: $userId }
+    data: {
+      unreadCount: $unreadCount
+      lastReadAt: $lastReadAt
+    }
+  )
+}
+
+# ----------------------------------------------------------
+# MARK AS READ (sets unreadCount=0 + lastReadAt=now)
+# Note: request.time is valid in schema defaults; in mutations
+# you can pass Timestamp from client. If you want "now" server-side,
+# you'd typically pass null and have logic elsewhere.
+# ----------------------------------------------------------
+mutation markConversationAsRead(
+  $conversationId: UUID!
+  $userId: String!
+  $lastReadAt: Timestamp
+) @auth(level: USER) {
+  userConversation_update(
+    key: { conversationId: $conversationId, userId: $userId }
+    data: {
+      unreadCount: 0
+      lastReadAt: $lastReadAt
+    }
+  )
+}
+
+# ----------------------------------------------------------
+# INCREMENT UNREAD (common after sending message)
+# ----------------------------------------------------------
+mutation incrementUnreadForUser(
+  $conversationId: UUID!
+  $userId: String!
+  $unreadCount: Int!
+) @auth(level: USER) {
+  userConversation_update(
+    key: { conversationId: $conversationId, userId: $userId }
+    data: { unreadCount: $unreadCount }
+  )
+}
+
+mutation deleteUserConversation(
+  $conversationId: UUID!
+  $userId: String!
+) @auth(level: USER) {
+  userConversation_delete(
+    key: { conversationId: $conversationId, userId: $userId }
+  )
+}