fix: handle EINTR in evdev loop, silence SelectionRequest log spam

daemon/src/main.rs

@@ -1150,7 +1150,16 @@ fn run_with_evdev(
             .get_key_state()
             .ok()
             .unwrap_or_else(evdev::AttributeSet::new);
-        let events = device.fetch_events()?;
+        let events = match device.fetch_events() {
+            Ok(events) => events,
+            Err(e) => {
+                if e.kind() == std::io::ErrorKind::Interrupted {
+                    // SIGINT/SIGTERM received — loop back to signal check
+                    continue;
+                }
+                return Err(e.into());
+            }
+        };
         last_event_time = std::time::Instant::now();
 
         // Check for status changes instantly

protocol/src/x11_inject.rs

@@ -312,10 +312,7 @@ impl X11Injector {
     }
 
     fn handle_selection_request(&self, req: &XSelectionRequestEvent) {
-        eprintln!(
-            "[vietc] SelectionRequest: target={} requestor={}",
-            req.target, req.requestor
-        );
+        // Silently handle — SelectionRequest floods the log on X11
 
         // Determine what property to use for the response
         let property = if req.property == 0 {