Refactor ChronoSeal daemon for dynamic configurations, connection pooling, custom error handling, and complete tests (v0.5.0)

server/src/cleanup.rs

@@ -1,5 +1,5 @@
-use std::sync::Arc;
 use crate::session::AppState;
+use std::sync::Arc;
 
 pub async fn cleanup_loop(state: Arc<AppState>) {
     loop {
@@ -7,18 +7,28 @@ pub async fn cleanup_loop(state: Arc<AppState>) {
 
         // Evict expired sessions from SQLite.
         {
-            let db = state.db.lock().await;
-            let now = crate::storage::current_time_ms();
-            let _ = db.execute(
-                "DELETE FROM sessions WHERE expires_at < ?1",
-                rusqlite::params![now],
-            );
+            if let Ok(conn) = state.db_pool.get() {
+                let now = crate::storage::current_time_ms();
+                let _ = conn.execute(
+                    "DELETE FROM sessions WHERE expires_at < ?1",
+                    rusqlite::params![now],
+                );
+            } else {
+                tracing::error!("Failed to get database connection from pool for cleanup");
+            }
         }
 
         // Evict stale rate-limiter entries to prevent unbounded HashMap growth.
         {
+            let window_secs = {
+                if let Ok(config) = state.config.read() {
+                    config.rate_limit_window_secs
+                } else {
+                    10 // fallback default
+                }
+            };
             let mut rl = state.rate_limiter.lock().await;
-            rl.evict_stale();
+            rl.evict_stale(window_secs);
         }
     }
-}
+}