loopd: the memory block from memoryd, recall and memory as core tools

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

crates/loopd/tests/channel.rs

@@ -7,6 +7,7 @@ mod support;
 
 use loopd::channel::{Context, serve};
 use loopd::llama::Client;
+use loopd::memory::NoMemory;
 use loopd::tools::Registry;
 use proto::{
     Envelope, ErrorCode, Message, PROTOCOL_VERSION, SessionId, Turn, TurnEvent, read_frame,
@@ -38,6 +39,7 @@ fn start(replies: Vec<proto::ToolResponse>) -> Loopd {
         Client::new(cfg),
         Box::new(ScriptedPort::new(replies)),
         Registry::m2b(),
+        Box::new(NoMemory),
     ));
     thread::spawn(move || serve(listener, ctx));
     Loopd {