feat(grid-agent): isolate conversation memory (#122)

crates/metacrate-grid-agent/src/lib.rs

@@ -6,6 +6,7 @@
 
 pub mod backend;
 pub mod config;
+pub mod conversation;
 pub mod llm;
 pub mod policy;
 pub mod service;
@@ -13,6 +14,8 @@ pub mod session;
 pub mod tool_loop;
 pub mod types;
 
+#[cfg(test)]
+mod conversation_tests;
 #[cfg(test)]
 mod policy_tests;
 #[cfg(test)]
@@ -25,9 +28,15 @@ pub use backend::{
 #[cfg(feature = "live-grid")]
 pub use backend::{LibremetaverseClientOwner, LibremetaverseSessionBackend};
 pub use config::{
-    AgentConfig, BehaviorSettings, ConfigError, ConfigLoader, EndpointUrl, Environment,
-    GridConnection, Limits, LlmConnection, MapEnvironment, OperatingMode, SecretString,
-    StdEnvironment, Timeouts,
+    AgentConfig, BehaviorSettings, ConfigError, ConfigLoader, ConversationSettings, EndpointUrl,
+    Environment, GridConnection, Limits, LlmConnection, MapEnvironment, OperatingMode,
+    SecretString, StdEnvironment, Timeouts,
+};
+pub use conversation::{
+    ConversationChannel, ConversationClock, ConversationContext, ConversationError,
+    ConversationKey, ConversationLimits, ConversationMetadata, ConversationPersistence,
+    ConversationStore, MemoryEvent, MemoryReason, MemoryRecord, MemoryTrust, MemoryUpdate,
+    SystemConversationClock,
 };
 pub use llm::{
     Completion, CompletionMessage, ContentPart, ImageDetail, LlmClient, LlmError,