Update Gazebo, add ROS bridging, and implement controller warmup.

drone_controller.py

@@ -78,6 +78,7 @@ class DroneController(Node):
             self._latest_telemetry = json.loads(msg.data)
             if not self._telemetry_received:
                 self._telemetry_received = True
+                self._warmup_count = 0
                 self.get_logger().info('First telemetry received!')
         except json.JSONDecodeError as e:
             self.get_logger().warning(f'Failed to parse telemetry: {e}')
@@ -95,7 +96,14 @@ class DroneController(Node):
         if self._landing_complete:
             return
         
-        if self._check_landing_complete():
+        # Warmup period - wait for stable telemetry before checking landing
+        if not hasattr(self, '_warmup_count'):
+            self._warmup_count = 0
+        self._warmup_count += 1
+        if self._warmup_count < 100:  # Wait ~2 seconds at 50Hz
+            # Still fly with controller, just don't check for landing yet
+            pass
+        elif self._check_landing_complete():
             self._landing_complete = True
             self.get_logger().info('=' * 50)
             self.get_logger().info('LANDING COMPLETE!')