feat(grid-agent): add embodied behavior controller (#125)

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

@@ -5,6 +5,7 @@
 //! subprocess, provider-SDK, or platform-specific dependency.
 
 pub mod backend;
+pub mod behavior;
 pub mod config;
 pub mod conversation;
 pub mod interaction;
@@ -16,6 +17,8 @@ pub mod session;
 pub mod tool_loop;
 pub mod types;
 
+#[cfg(test)]
+mod behavior_tests;
 #[cfg(test)]
 mod conversation_tests;
 #[cfg(test)]
@@ -33,8 +36,15 @@ pub use backend::{
 };
 #[cfg(feature = "live-grid")]
 pub use backend::{
-    LibremetaverseClientOwner, LibremetaverseInteractionSink, LibremetaverseSessionBackend,
-    LibremetaverseWorldSnapshotSource,
+    LibremetaverseClientOwner, LibremetaverseEmbodimentSink, LibremetaverseInteractionSink,
+    LibremetaverseSessionBackend, LibremetaverseWorldSnapshotSource,
+};
+pub use behavior::{
+    AuthorizedBackendRouter, BehaviorBackend, BehaviorController, BehaviorError, BehaviorHandle,
+    BehaviorIngress, BehaviorMode, BehaviorObservation, BehaviorOutcome, BehaviorPolicyResult,
+    BehaviorRandom, BehaviorTrigger, CURRENT_POSE_TOOL, EmbodiedPose, EmbodimentFuture,
+    EmbodimentSink, FACE_AVATAR_TOOL, FACE_POINT_TOOL, LOOK_AROUND_TOOL, SIT_TOOL, STAND_TOOL,
+    STOP_TOOL, WALK_SHORT_TOOL, behavior_policy_tools,
 };
 pub use config::{
     AgentConfig, BehaviorSettings, ConfigError, ConfigLoader, ConversationSettings, EndpointUrl,
@@ -51,9 +61,10 @@ pub use interaction::{
     DeliveryFuture, DeliveryOutcome, ImDialogKind, InboundInteraction, InboundSource,
     InteractionChannel, InteractionCoordinator, InteractionDeliveryError, InteractionError,
     InteractionHandle, InteractionIngress, InteractionIntent, InteractionModelError,
-    InteractionObservation, InteractionOrigin, InteractionResponder, InteractionSettings,
-    InteractionSink, OutboundInteraction, PolicyLlmResponder, ResponderFuture, ResponseRequest,
-    SuppressionReason, VisibleResponse, split_utf8,
+    InteractionObservation, InteractionOrigin, InteractionPacingError, InteractionResponder,
+    InteractionSettings, InteractionSink, OutboundInteraction, PacerFuture, PolicyLlmResponder,
+    ResponderFuture, ResponsePacer, ResponseRequest, SuppressionReason, VisibleResponse,
+    split_utf8,
 };
 pub use llm::{
     Completion, CompletionMessage, ContentPart, ImageDetail, LlmClient, LlmError,