Apply sign work zones before candidate routing

mosfet/job.py

@@ -82,7 +82,11 @@ class LegacyJobStates:
             if m.state == m.idle:
                 continue
             if m.state != m.done:
-                m.run()
+                self.active_machine = m
+                try:
+                    m.run()
+                finally:
+                    self.active_machine = None
                 return
         # if we went through them all
         for m in machines:
@@ -256,6 +260,7 @@ class LegacyJobStates:
 
     def __init__(self, global_state):
         self.g = global_state
+        self.active_machine = None
 
         self.init_machines()
         self.state = self.idle
@@ -281,6 +286,7 @@ class JobStates(LegacyJobStates):
         self.eat_food_states = eat_food.EatFoodStates(global_state)
         self.check_threats_states = check_threats.CheckThreatsStates(
             global_state)
+        self.active_machine = None
         self.state = self.idle
 
     def farm_wood(self):
@@ -356,4 +362,5 @@ class JobStates(LegacyJobStates):
         self.check_threats_states.external_safety = False
         self.gather_crop_states.active_section_anchor = None
         self.gather_crop_states.completed_crops = 0
+        self.active_machine = None
         self.state = self.idle