Amend long press behaviour

src/ButtonEventManager.cpp

@@ -86,6 +86,10 @@ void ButtonEventManager::processButton(const int idx, const Button btn) {
           pushEvent(btn, PressType::Short);
           s.state = State::Idle;
         }
+      } else if (held && now - s.pressDownTime >= LONG_PRESS_MS) {
+        // Fire long press immediately once the threshold is reached.
+        pushEvent(btn, PressType::Long);
+        s.state = State::Idle;
       } else if (!held) {
         // Button disappeared without wasReleased edge (e.g. after drain) — reset
         s.state = State::Idle;

src/ButtonEventManager.h

@@ -16,7 +16,7 @@ ButtonEventManager& globalButtonEvents();
 //     on release (zero extra wait).
 //   - If a double-click action IS configured, Short is delayed by DOUBLE_WINDOW_MS
 //     to allow disambiguation.
-//   - Long fires on release once hold time >= LONG_PRESS_MS (no extra wait).
+//   - Long fires as soon as hold time >= LONG_PRESS_MS; release is not required.
 //   - Double fires on the second release within DOUBLE_WINDOW_MS.
 //
 // Activities query consumeEvent() each loop tick to receive pending events.