dashboard: reset overview cache after page return

firmware/esp32-s3-dashboard/dashboard_config.h

@@ -1,6 +1,6 @@
 #pragma once
 
-static const char *DASHBOARD_VERSION = "0.1.99-overlay-return-cache-reset";
+static const char *DASHBOARD_VERSION = "0.1.100-real-cache-reset";
 
 // Update these if your Cargo ESP AP credentials are different.
 //static const char *CARGO_WIFI_SSID = "OverlandController";

firmware/esp32-s3-dashboard/esp32-s3-dashboard.ino

@@ -673,6 +673,10 @@ static void close_battery_detail_screen()
     }
 
     current_dashboard_screen = SCREEN_OVERVIEW;
+    
+    reset_overview_widget_cache();
+    fast_status_refresh_requested = true;
+    metadata_refresh_requested = true;
 invalidate_overview_widget_cache();
     refresh_dashboard_widgets();
 }
@@ -1150,6 +1154,23 @@ static void fuel_bar_draw_value_cb(lv_event_t *e)
     lv_draw_label(dsc->draw_ctx, &label_dsc, &txt_area, buf, NULL);
 }
 
+static void reset_overview_widget_cache()
+{
+    last_battery_current_text = "__force_current__";
+    last_battery_estimate_text = "__force_estimate__";
+    last_battery_soc_text = "__force_soc__";
+    last_system_status_text = "__force_system__";
+    last_outside_status_temp_text = "__force_outside__";
+    last_battery_card_alert = !last_battery_card_alert;
+    last_cargo_api_ok = !last_cargo_api_ok;
+
+    for (int i = 0; i < 2; i++) {
+        last_temp_tile_value_text[i] = "__force_temp_value__";
+        last_temp_tile_name_text[i] = "__force_temp_name__";
+        last_temp_tile_alert[i] = !last_temp_tile_alert[i];
+    }
+}
+
 static void update_temp_tile_alert_style(int index, bool alert)
 {
     if (index < 0 || index >= 2 || temp_tile_objs[index] == nullptr) {
@@ -1616,6 +1637,8 @@ static void create_overland_overview_screen()
 
     lv_obj_t *screen = lv_scr_act();
     lv_obj_clean(screen);
+    
+    reset_overview_widget_cache();
 current_dashboard_screen = SCREEN_OVERVIEW;
     lv_obj_set_style_bg_color(screen, lv_color_hex(0x101418), 0);