memory: don't auto-run reflect agent yet

Still testing the prompt. The lifecycle and handler are wired up —
just needs the hook call uncommented when ready.

poc-memory/src/memory_search.rs

@@ -372,7 +372,6 @@ fn hook(session: &Session) -> String {
         let cfg = crate::config::get();
         if cfg.surface_hooks.iter().any(|h| h == &session.hook_event) {
             surface_agent_cycle(session, &mut out, &mut log_f);
-            reflect_agent_cycle(session, &mut out, &mut log_f);
         }
     }