v2.3: Twinkling star animation extended to all menus and splash screen, WiFi submenu removed

src/menu_stars.cpp

@@ -0,0 +1,52 @@
+#include "menu_stars.h"
+#include "config.h"
+
+namespace MenuStars {
+
+namespace {
+    constexpr uint8_t STAR_COUNT = 34;
+    struct Star {
+        int16_t x, y;
+        uint8_t phase;
+        uint8_t speed;
+    };
+    Star stars[STAR_COUNT];
+    bool initialized = false;
+
+    uint32_t lastUpdateMs = 0;
+    constexpr uint32_t UPDATE_INTERVAL_MS = 60;
+
+    void initStars() {
+        randomSeed((uint32_t)esp_random());
+        for (uint8_t i = 0; i < STAR_COUNT; i++) {
+            stars[i].x = (int16_t)random(4, Config::SCREEN_WIDTH - 4);
+            stars[i].y = (int16_t)random(4, Config::SCREEN_HEIGHT - 4);
+            stars[i].phase = (uint8_t)random(0, 256);
+            stars[i].speed = (uint8_t)(1 + random(0, 3));
+        }
+        initialized = true;
+    }
+}
+
+void reset() {
+    initialized = false;
+}
+
+void update(TFT_eSPI& tft) {
+    if (!initialized) initStars();
+
+    uint32_t now = millis();
+    if (now - lastUpdateMs < UPDATE_INTERVAL_MS) return;
+    lastUpdateMs = now;
+
+    for (uint8_t i = 0; i < STAR_COUNT; i++) {
+        stars[i].phase += stars[i].speed;
+        uint8_t bright = (stars[i].phase < 128)
+            ? (uint8_t)(stars[i].phase * 2)
+            : (uint8_t)((255 - stars[i].phase) * 2);
+        uint16_t color = tft.color565(0, bright, 0);
+        tft.drawPixel(stars[i].x, stars[i].y, color);
+    }
+}
+
+}