fix: Add is_auto_sync_paused to Config; remove unused import

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>

src/config.rs

@@ -64,6 +64,10 @@ impl Config {
             Self::default()
         })
     }
+
+    pub fn is_auto_sync_paused(&self) -> bool {
+        self.timeturner_offset.is_active()
+    }
 }
 
 impl Default for Config {

src/system.rs

@@ -1,6 +1,6 @@
 use crate::config::Config;
 use crate::sync_logic::LtcFrame;
-use chrono::{DateTime, Duration as ChronoDuration, Local, NaiveTime, TimeZone};
+use chrono::{DateTime, Duration as ChronoDuration, Local, TimeZone};
 use num_rational::Ratio;
 use std::process::Command;