feat: add sensor combine mode with Min, Max, and Avg options, update web UI and configuration for multi-sensor support

Software/MainBoard/rust/src_webpack/src/plant.ts

@@ -93,6 +93,7 @@ export class PlantView {
     private readonly pumpHourEnd: HTMLSelectElement;
     private readonly sensorAInstalled: HTMLInputElement;
     private readonly sensorBInstalled: HTMLInputElement;
+    private readonly sensorCombineMode: HTMLSelectElement;
     private readonly mode: HTMLSelectElement;
     private readonly moistureA: HTMLElement;
     private readonly moistureB: HTMLElement;
@@ -236,6 +237,14 @@ export class PlantView {
             controller.configChanged()
         }
 
+        this.sensorCombineMode = document.getElementById("plant_" + plantId + "_sensor_combine_mode") as HTMLSelectElement;
+        this.sensorCombineMode.onchange = function () {
+            controller.configChanged()
+        }
+
+        // Initial visibility update for sensor combine mode
+        this.updateSensorCombineModeState();
+
         this.minPumpCurrentMa = document.getElementById("plant_" + plantId + "_min_pump_current_ma") as HTMLInputElement;
         this.minPumpCurrentMa.onchange = function () {
             controller.configChanged()
@@ -271,6 +280,19 @@ export class PlantView {
         };
     }
 
+    updateSensorCombineModeState() {
+        const bothActive = this.sensorAInstalled.checked && this.sensorBInstalled.checked;
+        const bothOnlyElements = document.getElementsByClassName("plantBothSensorsOnly_" + this.plantId);
+        for (const element of Array.from(bothOnlyElements)) {
+            if (bothActive) {
+                element.classList.remove("plantHidden_" + this.plantId);
+            } else {
+                element.classList.add("plantHidden_" + this.plantId);
+            }
+        }
+        this.sensorCombineMode.disabled = !bothActive;
+    }
+
     updateVisibility(plantConfig: PlantConfig) {
         let sensorOnly = document.getElementsByClassName("plantSensorEnabledOnly_" + this.plantId)
         let pumpOnly = document.getElementsByClassName("plantPumpEnabledOnly_" + this.plantId)
@@ -324,6 +346,9 @@ export class PlantView {
         //         element.classList.add("plantHidden_" + this.plantId)
         //     }
         // }
+
+        // Update sensor combine mode visibility based on whether both sensors are active
+        this.updateSensorCombineModeState();
     }
 
     setTestResult(result: PumpTestResult) {
@@ -354,6 +379,7 @@ export class PlantView {
         this.pumpHourEnd.value = plantConfig.pump_hour_end.toString();
         this.sensorBInstalled.checked = plantConfig.sensor_b;
         this.sensorAInstalled.checked = plantConfig.sensor_a;
+        this.sensorCombineMode.value = plantConfig.sensor_combine_mode || "Min";
         this.maxConsecutivePumpCount.value = plantConfig.max_consecutive_pump_count.toString();
         this.minPumpCurrentMa.value = plantConfig.min_pump_current_ma.toString();
         this.maxPumpCurrentMa.value = plantConfig.max_pump_current_ma.toString();
@@ -383,6 +409,7 @@ export class PlantView {
             pump_hour_end: +this.pumpHourEnd.value,
             sensor_b: this.sensorBInstalled.checked,
             sensor_a: this.sensorAInstalled.checked,
+            sensor_combine_mode: this.sensorCombineMode.value,
             max_consecutive_pump_count: this.maxConsecutivePumpCount.valueAsNumber,
             moisture_sensor_min_frequency: this.moistureSensorMinFrequency.valueAsNumber || null,
             moisture_sensor_max_frequency: this.moistureSensorMaxFrequency.valueAsNumber || null,