(new): rich message support

(fix): runtime reliability
(tests): regression coverage
(doc): v1.1 release notes

tgapi/chat_methods.go

@@ -498,8 +498,10 @@ const (
 // Since: Bot API 10.1
 // See https://core.telegram.org/bots/api#answerchatjoinrequestquery
 type AnswerChatJoinRequestQuery struct {
-	ChatJoinRequestQueryID string                     `json:"chat_join_request_query_id"`
-	Result                 ChatJoinRequestQueryResult `json:"result"`
+	// ChatJoinRequestQueryID identifies the chat join request query.
+	ChatJoinRequestQueryID string `json:"chat_join_request_query_id"`
+	// Result contains the decision for the join request query.
+	Result ChatJoinRequestQueryResult `json:"result"`
 }
 
 // AnswerChatJoinRequestQuery processes a received chat join request query.
@@ -524,8 +526,10 @@ func (api *API) AnswerChatJoinRequestQueryWithContext(ctx context.Context, param
 // Since: Bot API 10.1
 // See https://core.telegram.org/bots/api#sendchatjoinrequestwebapp
 type SendChatJoinRequestWebApp struct {
+	// ChatJoinRequestQueryID identifies the chat join request query.
 	ChatJoinRequestQueryID string `json:"chat_join_request_query_id"`
-	WebAppURL              string `json:"web_app_url"`
+	// WebAppURL is the HTTPS URL of the Mini App to open.
+	WebAppURL string `json:"web_app_url"`
 }
 
 // SendChatJoinRequestWebApp shows a Mini App to the user before deciding a