Preserve timed break when active work reopens

frontend/today-timer.js

@@ -114,7 +114,8 @@ function createTodayTimer({ storage, getLogin, now = () => Date.now(), onChange
     activate(identity) {
       if (!key() || typeof identity !== 'string' || !identity) return false;
       const state = read();
-      if (state.active_identity === identity && state.entries[identity]?.running) return true;
+      if (state.active_identity === identity &&
+          (state.entries[identity]?.running || validBreak(state)?.identity === identity)) return true;
       settle(state);
       state.active_identity = identity;
       const entry = state.entries[identity] || { elapsed_ms:0, started_at:null, running:false };