Initial ChronoSeal release

server/src/cleanup.rs

@@ -0,0 +1,14 @@
+use std::sync::Arc;
+use crate::session::AppState;
+
+pub async fn cleanup_loop(state: Arc<AppState>) {
+    loop {
+        tokio::time::sleep(std::time::Duration::from_secs(60)).await;
+        let db = state.db.lock().await; // this is infallible
+        let now = crate::storage::current_time_ms();
+        let _ = db.execute(
+            "DELETE FROM sessions WHERE expires_at < ?1",
+            rusqlite::params![now],
+        );
+    }
+}