diff --git a/testing/tests/client_keyboard_include_contract.rs b/testing/tests/client_keyboard_include_contract.rs
index 0300453..1616e85 100644
--- a/testing/tests/client_keyboard_include_contract.rs
+++ b/testing/tests/client_keyboard_include_contract.rs
@@ -269,4 +269,113 @@ mod keyboard_contract {
         let pkt = rx.try_recv().expect("empty report after reset");
         assert_eq!(pkt.data, vec![0; 8]);
     }
+
+    #[test]
+    #[serial]
+    fn set_send_false_blocks_manual_empty_report() {
+        let Some(dev) = open_any_keyboard_device()
+            .or_else(|| build_keyboard("lesavka-include-kbd-nosend").map(|(_, dev)| dev))
+        else {
+            return;
+        };
+        let (mut agg, mut rx) = new_aggregator(dev);
+        agg.set_send(false);
+        agg.send_empty_report();
+        assert!(rx.try_recv().is_err());
+    }
+
+    #[test]
+    #[serial]
+    fn process_events_respects_send_toggle() {
+        let Some((mut vdev, dev)) = build_keyboard("lesavka-include-kbd-send-toggle") else {
+            return;
+        };
+        let (mut agg, mut rx) = new_aggregator(dev);
+        agg.set_send(false);
+        vdev.emit(&[evdev::InputEvent::new(
+            evdev::EventType::KEY.0,
+            evdev::KeyCode::KEY_B.0,
+            1,
+        )])
+        .expect("emit key");
+        thread::sleep(std::time::Duration::from_millis(20));
+        agg.process_events();
+        assert!(rx.try_recv().is_err(), "send-disabled aggregator should not publish reports");
+    }
+
+    #[test]
+    #[serial]
+    fn paste_chord_active_supports_ctrl_v_variant() {
+        let Some(dev) = open_any_keyboard_device()
+            .or_else(|| build_keyboard("lesavka-include-kbd-ctrl-v").map(|(_, dev)| dev))
+        else {
+            return;
+        };
+        let (mut agg, _) = new_aggregator(dev);
+        agg.pressed_keys.insert(evdev::KeyCode::KEY_LEFTCTRL);
+        agg.pressed_keys.insert(evdev::KeyCode::KEY_V);
+        with_var("LESAVKA_CLIPBOARD_CHORD", Some("ctrl+v"), || {
+            assert!(agg.paste_chord_active());
+        });
+    }
+
+    #[test]
+    #[serial]
+    fn paste_debounced_rejects_rapid_repeat_with_positive_window() {
+        let Some(dev) = open_any_keyboard_device()
+            .or_else(|| build_keyboard("lesavka-include-kbd-debounce").map(|(_, dev)| dev))
+        else {
+            return;
+        };
+        let (agg, _) = new_aggregator(dev);
+        let now_ms = SystemTime::now()
+            .duration_since(UNIX_EPOCH)
+            .expect("time")
+            .as_millis() as u64;
+        LAST_PASTE_MS.store(now_ms, Ordering::Relaxed);
+        with_var("LESAVKA_CLIPBOARD_DEBOUNCE_MS", Some("9999"), || {
+            assert!(!agg.paste_debounced());
+        });
+    }
+
+    #[test]
+    #[serial]
+    fn paste_via_rpc_returns_false_without_sender() {
+        let Some(dev) = open_any_keyboard_device()
+            .or_else(|| build_keyboard("lesavka-include-kbd-rpc-none").map(|(_, dev)| dev))
+        else {
+            return;
+        };
+        let (tx, _rx) = tokio::sync::broadcast::channel(8);
+        let agg = KeyboardAggregator::new(dev, false, tx, None);
+        assert!(!agg.paste_via_rpc());
+    }
+
+    #[test]
+    #[serial]
+    fn read_clipboard_text_returns_none_when_custom_and_fallback_tools_fail() {
+        with_var("LESAVKA_CLIPBOARD_CMD", Some("nonexistent-clipboard-command"), || {
+            with_var("PATH", Some("/tmp/definitely-missing-path"), || {
+                assert!(read_clipboard_text().is_none());
+            });
+        });
+    }
+
+    #[test]
+    #[serial]
+    fn try_handle_paste_event_swallows_incomplete_chord_sequences() {
+        let Some(dev) = open_any_keyboard_device()
+            .or_else(|| build_keyboard("lesavka-include-kbd-incomplete").map(|(_, dev)| dev))
+        else {
+            return;
+        };
+        let (mut agg, mut rx) = new_aggregator(dev);
+        agg.paste_enabled = true;
+        agg.paste_chord_armed = true;
+        agg.pressed_keys.insert(evdev::KeyCode::KEY_LEFTCTRL);
+
+        assert!(agg.try_handle_paste_event(evdev::KeyCode::KEY_LEFTCTRL, 1));
+        let pkt = rx.try_recv().expect("swallow report");
+        assert_eq!(pkt.data, vec![0; 8]);
+    }
 }
diff --git a/testing/tests/client_mouse_include_contract.rs b/testing/tests/client_mouse_include_contract.rs
index 821d57c..58e3d71 100644
--- a/testing/tests/client_mouse_include_contract.rs
+++ b/testing/tests/client_mouse_include_contract.rs
@@ -122,6 +122,27 @@ mod mouse_contract {
         Some((vdev, dev))
     }
 
+    fn build_absolute_mouse_without_touch(
+        name: &str,
+    ) -> Option<(evdev::uinput::VirtualDevice, evdev::Device)> {
+        let mut keys = evdev::AttributeSet::<evdev::KeyCode>::new();
+        keys.insert(evdev::KeyCode::BTN_LEFT);
+        let abs = evdev::AbsInfo::new(0, 0, 1000, 0, 0, 0);
+        let mut vdev = evdev::uinput::VirtualDevice::builder()
+            .ok()?
+            .name(name)
+            .with_keys(&keys)
+            .ok()?
+            .with_absolute_axis(&evdev::UinputAbsSetup::new(evdev::AbsoluteAxisCode::ABS_X, abs))
+            .ok()?
+            .with_absolute_axis(&evdev::UinputAbsSetup::new(evdev::AbsoluteAxisCode::ABS_Y, abs))
+            .ok()?
+            .build()
+            .ok()?;
+        let dev = open_virtual_device(&mut vdev)?;
+        Some((vdev, dev))
+    }
+
     #[test]
     #[serial]
     fn relative_events_emit_button_motion_and_wheel_packets() {
@@ -293,4 +314,144 @@ mod mouse_contract {
         agg.set_btn(0, 0);
         assert_eq!(agg.buttons & 0b11, 0b10);
     }
+
+    #[test]
+    #[serial]
+    fn absolute_motion_ignores_large_jumps_without_touch_state() {
+        let Some((mut vdev, dev)) = build_absolute_mouse_without_touch("lesavka-include-abs-jump")
+        else {
+            return;
+        };
+        let (tx, _rx) = tokio::sync::broadcast::channel(8);
+        let mut agg = MouseAggregator::new(dev, false, tx);
+
+        agg.last_abs_x = Some(0);
+        agg.last_abs_y = Some(0);
+        assert!(!agg.has_touch_state);
+
+        vdev.emit(&[
+            evdev::InputEvent::new(
+                evdev::EventType::ABSOLUTE.0,
+                evdev::AbsoluteAxisCode::ABS_X.0,
+                900,
+            ),
+            evdev::InputEvent::new(
+                evdev::EventType::ABSOLUTE.0,
+                evdev::AbsoluteAxisCode::ABS_Y.0,
+                900,
+            ),
+        ])
+        .expect("emit large abs jump");
+
+        thread::sleep(std::time::Duration::from_millis(20));
+        agg.process_events();
+
+        assert_eq!(agg.dx, 0);
+        assert_eq!(agg.dy, 0);
+        assert_eq!(agg.last_abs_x, Some(900));
+        assert_eq!(agg.last_abs_y, Some(900));
+    }
+
+    #[test]
+    #[serial]
+    fn absolute_motion_applies_scaled_delta_within_threshold() {
+        let Some((mut vdev, dev)) = build_absolute_mouse_without_touch("lesavka-include-abs-delta")
+        else {
+            return;
+        };
+        let (tx, _rx) = tokio::sync::broadcast::channel(8);
+        let mut agg = MouseAggregator::new(dev, false, tx);
+        agg.last_abs_x = Some(100);
+        agg.last_abs_y = Some(100);
+
+        vdev.emit(&[
+            evdev::InputEvent::new(
+                evdev::EventType::ABSOLUTE.0,
+                evdev::AbsoluteAxisCode::ABS_X.0,
+                140,
+            ),
+            evdev::InputEvent::new(
+                evdev::EventType::ABSOLUTE.0,
+                evdev::AbsoluteAxisCode::ABS_Y.0,
+                180,
+            ),
+        ])
+        .expect("emit small abs delta");
+
+        thread::sleep(std::time::Duration::from_millis(20));
+        agg.process_events();
+
+        assert_ne!(agg.dx, 0);
+        assert_ne!(agg.dy, 0);
+    }
+
+    #[test]
+    #[serial]
+    fn touch_guarded_inactive_abs_events_only_update_origins() {
+        let Some((mut vdev, dev)) = build_touch_device("lesavka-include-touch-guarded") else {
+            return;
+        };
+
+        let (tx, _rx) = tokio::sync::broadcast::channel(8);
+        let mut agg = MouseAggregator::new(dev, false, tx);
+        agg.touch_guarded = true;
+        agg.touch_active = false;
+        agg.last_abs_x = Some(10);
+        agg.last_abs_y = Some(10);
+
+        vdev.emit(&[
+            evdev::InputEvent::new(
+                evdev::EventType::ABSOLUTE.0,
+                evdev::AbsoluteAxisCode::ABS_X.0,
+                50,
+            ),
+            evdev::InputEvent::new(
+                evdev::EventType::ABSOLUTE.0,
+                evdev::AbsoluteAxisCode::ABS_Y.0,
+                70,
+            ),
+        ])
+        .expect("emit guarded abs updates");
+
+        thread::sleep(std::time::Duration::from_millis(20));
+        agg.process_events();
+
+        assert_eq!(agg.dx, 0);
+        assert_eq!(agg.dy, 0);
+        assert_eq!(agg.last_abs_x, Some(50));
+        assert_eq!(agg.last_abs_y, Some(70));
+    }
+
+    #[test]
+    #[serial]
+    fn flush_skips_when_state_unchanged_before_interval_deadline() {
+        let Some(dev) = open_any_mouse_device()
+            .or_else(|| build_relative_mouse("lesavka-include-mouse-skip").map(|(_, dev)| dev))
+        else {
+            return;
+        };
+        let (tx, mut rx) = tokio::sync::broadcast::channel(8);
+        let mut agg = MouseAggregator::new(dev, false, tx);
+        agg.buttons = 1;
+        agg.last_buttons = 1;
+        agg.next_send = std::time::Instant::now() + std::time::Duration::from_millis(50);
+
+        agg.flush();
+        assert!(rx.try_recv().is_err());
+    }
+
+    #[test]
+    #[serial]
+    fn drop_emits_shutdown_packet() {
+        let Some(dev) = open_any_mouse_device()
+            .or_else(|| build_relative_mouse("lesavka-include-mouse-drop").map(|(_, dev)| dev))
+        else {
+            return;
+        };
+        let (tx, mut rx) = tokio::sync::broadcast::channel(8);
+        let agg = MouseAggregator::new(dev, false, tx);
+        drop(agg);
+        let pkt = rx.try_recv().expect("drop packet");
+        assert_eq!(pkt.data, vec![0; 8]);
+    }
 }