1kbgz · timkpaine · Sep 21, 2025 · Sep 21, 2025
diff --git a/chatom/__init__.py b/chatom/__init__.py
@@ -1,8 +1,10 @@
 from .attachment import *
 from .backend import *
 from .channel import *
+from .format import *
 from .mention import *
 from .message import *
+from .presence import *
 from .user import *
 
 __version__ = "0.1.0"
diff --git a/chatom/backend.py b/chatom/backend.py
@@ -0,0 +1,24 @@
+from typing import Literal, Union
+
+DISCORD = "discord"
+MATTERMOST = "mattermost"
+MESSENGER = "messenger"
+SLACK = "slack"
+TEAMS = "teams"
+TELEGRAM = "telegram"
+WHATSAPP = "whatsapp"
+ZULIP = "zulip"
+
+Backend = Union[
+    Literal[DISCORD],
+    Literal[MATTERMOST],
+    Literal[MESSENGER],
+    Literal[SLACK],
+    Literal[TEAMS],
+    Literal[TELEGRAM],
+    Literal[WHATSAPP],
+    Literal[ZULIP],
+    str,
+]
+
+__all__ = ("Backend", "DISCORD", "MATTERMOST", "MESSENGER", "SLACK", "TEAMS", "TELEGRAM", "WHATSAPP", "ZULIP")
diff --git a/chatom/format/__init__.py b/chatom/format/__init__.py
@@ -0,0 +1,3 @@
+from .message import *
+from .table import *
+from .text import *
diff --git a/chatom/format/message.py b/chatom/format/message.py
diff --git a/chatom/format/table.py b/chatom/format/table.py
diff --git a/chatom/format/text.py b/chatom/format/text.py