Consolidate Odysseus agent harness and tool contracts

core/models.py

@@ -109,6 +109,7 @@ class Session:
     is_important: bool = False
     message_count: int = 0
     memory_extraction_enabled: bool = True
+    memory_injection_enabled: bool = True
     skill_injection_enabled: bool = True
     thinking_mode: str = "off"
     temperature_override: Optional[float] = None