Small sharpening changes to environments

PiperOrigin-RevId: 699917784
Change-Id: I885a9e5f2ab3520b60c35c19ad15b2514bfcb150

examples/modular/environment/modules/anthracite_coal_labor.py

@@ -682,7 +682,7 @@ class WorldConfig:
   organizer: str | None = None
   supporting_player_locations: Sequence[str] = ()
   overheard_strike_talk: Sequence[str] = ()
-  num_additional_days: int = 3
+  num_additional_days: int = 4
   num_additional_dinners: int = 1
 
   def append_person(

examples/modular/environment/modules/pre_state_villages.py

@@ -23,7 +23,7 @@
     '{village_a_name} and {village_b_name} are '
     'pre-state societies. They are small villages with a few hundred '
     'people each. They are located on the coast and supported by '
-    'both fishing and agriculture. The local farmers living outside '
+    'nearby farms. The local farmers living outside '
     'the villages share cultural and economic ties with the villagers.'
 )
 

examples/modular/environment/state_formation.py

@@ -455,7 +455,9 @@ def configure_scenes(
                           'intend to spend on each of the '
                           f'following activities: {activities_str}. Note that '
                           'proportions of time should sum to 1. Sleep counts '
-                          f'as {config.free_time_activity}.'),
+                          f'as {config.free_time_activity} and, '
+                          'all else equal, '
+                          'more leisure time is better.'),
           tag='announcement',
       ),
       override_game_master=no_conversation_game_master,
@@ -1072,7 +1074,7 @@ def __init__(
         randomise_initiative=True,
         name='Negotiation scene',
         review_participants=False,
-        max_steps=1,
+        max_steps=4,
         memory=self._game_master_memory,
         additional_components=[agreement_component],
         verbose=True,