Limits are now account-tied rather than task-tied

include/Status.h

@@ -26,9 +26,23 @@ std::optional<Status> parse(const std::string& text, std::time_t now);
 std::string serialize(const Status& status);
 std::optional<Status> deserialize(const std::string& text);
 
+// Prompt and Testing tasks follow their account's wait; Uploading, Frozen and
+// Done tasks do not.
+bool followsAccountWait(StatusKind kind);
+
+// The status to show for a task. If its account has a wait, the tasks that
+// follow it show Wait until then and Limit reset after; otherwise the stored
+// status is used (see effective).
+Status resolve(const Status& stored, const std::optional<std::time_t>& accountWait, std::time_t now);
+
 // The status shown to the user: an expired wait becomes LimitReset.
 Status effective(const Status& status, std::time_t now);
 
+// Times kept outside a Status (an account's cooldown): "2026-10-17T16:30".
+std::string timeToText(std::time_t value);
+std::optional<std::time_t> timeFromText(const std::string& text);
+std::string clockLabel(std::time_t value);  // "16:30"
+
 std::string label(const Status& status);  // "Prompt", "Limit reset", "Wait 16:30", ...
 std::string kindName(StatusKind kind);    // lowercase token: "prompt", "limit-reset", ...
 std::vector<StatusKind> allKinds();