diff --git a/vigilar/config.py b/vigilar/config.py
index e4c096c..cb36728 100644
--- a/vigilar/config.py
+++ b/vigilar/config.py
@@ -280,6 +280,9 @@ class PetsConfig(BaseModel):
     min_training_images: int = 20
     wildlife: WildlifeConfig = Field(default_factory=WildlifeConfig)
     activity: PetActivityConfig = Field(default_factory=PetActivityConfig)
+    max_pets: int = 8
+    max_rules_per_pet: int = 32
+    rule_eval_interval_s: int = 60
 
 
 # --- Location Config ---
diff --git a/vigilar/constants.py b/vigilar/constants.py
index 530a5f8..091b049 100644
--- a/vigilar/constants.py
+++ b/vigilar/constants.py
@@ -48,6 +48,7 @@ class EventType(StrEnum):
     PACKAGE_DELIVERED = "PACKAGE_DELIVERED"
     PACKAGE_REMINDER = "PACKAGE_REMINDER"
     PACKAGE_COLLECTED = "PACKAGE_COLLECTED"
+    PET_RULE_TRIGGERED = "PET_RULE_TRIGGERED"
 
 
 # --- Sensor Types ---
@@ -203,6 +204,7 @@ class Topics:
     SYSTEM_ARM_STATE = "vigilar/system/arm_state"
     SYSTEM_ALERT = "vigilar/system/alert"
     SYSTEM_SHUTDOWN = "vigilar/system/shutdown"
+    SYSTEM_RULES_UPDATED = "vigilar/system/rules_updated"
 
     # Wildcard subscriptions
     ALL = "vigilar/#"