refactor: streamline agent turn handling and background review process

apps/domain/src/auth/session_lock.rs

@@ -149,10 +149,7 @@ impl SessionLock {
 
             // Phase 3: re-check /proc/<pid>/exe to detect PID reuse between
             // Phase 1 and Phase 2.
-            match std::fs::read_link(&proc_exe) {
-                Ok(recheck) if recheck == self_exe => true,
-                _ => false,
-            }
+            matches!(std::fs::read_link(&proc_exe), Ok(recheck) if recheck == self_exe)
         }
 
         #[cfg(not(unix))]