Introduce library boundary

src/context.rs

@@ -0,0 +1 @@
+// Placeholder for upcoming context module.

src/domain.rs

@@ -0,0 +1 @@
+// Placeholder for upcoming domain module.

src/event_log.rs

@@ -0,0 +1 @@
+// Placeholder for upcoming event_log module.

src/lib.rs

@@ -0,0 +1,6 @@
+pub mod context;
+pub mod domain;
+pub mod event_log;
+pub mod session;
+pub mod state_machine;
+pub mod window;

src/main.rs

@@ -6,8 +6,8 @@ use std::io::{stdout, Write};
 use std::rc::Rc;
 use std::time::{Duration, Instant}; // <--- Add this
 mod constants;
-mod window;
 
+use antidrift::window;
 use ratatui::{
     crossterm::{
         event::{self, Event, KeyCode},

src/session.rs

@@ -0,0 +1 @@
+// Placeholder for upcoming session module.

src/state_machine.rs

@@ -0,0 +1 @@
+// Placeholder for upcoming state_machine module.