diff --git a/src/mind_reader/app_context.py b/src/mind_reader/app_context.py
new file mode 100644
index 0000000..cf21e59
--- /dev/null
+++ b/src/mind_reader/app_context.py
@@ -0,0 +1,20 @@
+from dataclasses import dataclass
+from typing import Optional
+
+from .input import SessionInput
+from .network import SessionNetworkController
+from .state import SessionState
+from .ui.views import SessionPanel
+
+
+@dataclass(frozen=True)
+class SessionContext:
+    input: SessionInput
+    network: SessionNetworkController
+    state: SessionState
+    view: SessionPanel
+
+
+@dataclass
+class AppContext:
+    session: Optional[SessionContext] = None