fix: handle UpdateMessageSendSucceeded to prevent edit errors

Fixes "Message not found" error when editing immediately after sending.

**Problem**:
When sending a message, TDLib may return a temporary ID, then send
UpdateMessageSendSucceeded with the real server ID. We weren't handling
this update, so the cache kept the old ID while the server had a different
one, causing "Message not found" errors during edits.

**Solution**:
1. Added UpdateMessageSendSucceeded handler (client.rs:801-830)
   - Finds message with temporary ID
   - Replaces it with new message containing real server ID
   - Preserves reply_info if present

2. Added validation before editing (main_input.rs:574-589)
   - Checks message exists in cache
   - Better error messages with chat_id and message_id

3. Added positive ID check in start_editing_selected (mod.rs:240)
   - Blocks editing messages with temporary IDs (negative)

**Test**:
- Added test_edit_immediately_after_send (edit_message.rs:156-181)
- Verifies editing works right after send_message
- All 22 edit_message tests pass

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

src/tdlib/client.rs

@@ -798,6 +798,36 @@ impl TdClient {
                     }
                 }
             }
+            Update::MessageSendSucceeded(update) => {
+                // Сообщение успешно отправлено, заменяем временный ID на настоящий
+                let old_id = MessageId::new(update.old_message_id);
+                let chat_id = ChatId::new(update.message.chat_id);
+
+                // Обрабатываем только если это текущий открытый чат
+                if Some(chat_id) == self.current_chat_id() {
+                    // Находим сообщение с временным ID
+                    if let Some(idx) = self
+                        .current_chat_messages()
+                        .iter()
+                        .position(|m| m.id() == old_id)
+                    {
+                        // Конвертируем новое сообщение
+                        let mut new_msg = self.convert_message(&update.message, chat_id);
+
+                        // Сохраняем reply_info из старого сообщения (если было)
+                        let old_reply = self.current_chat_messages()[idx]
+                            .interactions
+                            .reply_to
+                            .clone();
+                        if let Some(reply) = old_reply {
+                            new_msg.interactions.reply_to = Some(reply);
+                        }
+
+                        // Заменяем старое сообщение на новое
+                        self.current_chat_messages_mut()[idx] = new_msg;
+                    }
+                }
+            }
             _ => {}
         }
     }