chore: import upstream snapshot with attribution

runtime/node/agent/memory/builtin_stores.py

@@ -0,0 +1,55 @@
+"""Register built-in memory stores."""
+
+from entity.configs.node.memory import (
+    BlackboardMemoryConfig,
+    FileMemoryConfig,
+    Mem0MemoryConfig,
+    SimpleMemoryConfig,
+    MemoryStoreConfig,
+)
+from runtime.node.agent.memory.blackboard_memory import BlackboardMemory
+from runtime.node.agent.memory.file_memory import FileMemory
+from runtime.node.agent.memory.memory_base import MemoryBase
+from runtime.node.agent.memory.simple_memory import SimpleMemory
+from runtime.node.agent.memory.registry import register_memory_store, get_memory_store_registration
+
+register_memory_store(
+    "simple",
+    config_cls=SimpleMemoryConfig,
+    factory=lambda store: SimpleMemory(store),
+    summary="In-memory store that resets between runs; best for testing",
+)
+
+register_memory_store(
+    "file",
+    config_cls=FileMemoryConfig,
+    factory=lambda store: FileMemory(store),
+    summary="Persists documents on disk and supports embedding search",
+)
+
+register_memory_store(
+    "blackboard",
+    config_cls=BlackboardMemoryConfig,
+    factory=lambda store: BlackboardMemory(store),
+    summary="Shared blackboard memory allowing multiple nodes to read/write",
+)
+
+
+def _create_mem0_memory(store):
+    from runtime.node.agent.memory.mem0_memory import Mem0Memory
+    return Mem0Memory(store)
+
+
+register_memory_store(
+    "mem0",
+    config_cls=Mem0MemoryConfig,
+    factory=_create_mem0_memory,
+    summary="Mem0 managed memory with semantic search and graph relationships",
+)
+
+
+class MemoryFactory:
+    @staticmethod
+    def create_memory(store: MemoryStoreConfig) -> MemoryBase:
+        registration = get_memory_store_registration(store.type)
+        return registration.factory(store)