proto: memory, the arguments of recall and memory and eight message kinds

Implemented-By: OpenCode session (model recorded in docs/implementer-log.md)

crates/brokerd/src/broker.rs

@@ -88,7 +88,7 @@ impl Broker {
     }
 }
 
-/// The snake_case wire name of a message: all eighteen kinds, none with a leading underscore.
+/// The snake_case wire name of a message: all twenty-six kinds, none with a leading underscore.
 pub fn kind(msg: &Message) -> &'static str {
     match msg {
         Message::ToolRequest(_) => "tool_request",
@@ -109,6 +109,14 @@ pub fn kind(msg: &Message) -> &'static str {
         Message::ApprovalPosted(_) => "approval_posted",
         Message::ApprovalReply(_) => "approval_reply",
         Message::ApprovalOutcome(_) => "approval_outcome",
+        Message::MemoryBlock(_) => "memory_block",
+        Message::MemoryBlockReply(_) => "memory_block_reply",
+        Message::SessionUpdated(_) => "session_updated",
+        Message::MemoryCall(_) => "memory_call",
+        Message::Reindex(_) => "reindex",
+        Message::Reindexed(_) => "reindexed",
+        Message::MemoryAdmin(_) => "memory_admin",
+        Message::MemoryAdminReply(_) => "memory_admin_reply",
     }
 }