Add target_pct field to PlantInfo for target moisture mode

Software/MainBoard/rust/src/plant_state.rs

@@ -1,4 +1,6 @@
+use crate::config::SensorCombineMode;
 use crate::hal::Moistures;
+use crate::plant_state::PlantWateringMode::TargetMoisture;
 use crate::{config::PlantConfig, hal::HAL, in_time_range};
 use chrono::{DateTime, TimeDelta, Utc};
 use chrono_tz::Tz;
@@ -353,6 +355,11 @@ impl PlantState {
             sensor_a: Self::sensor_to_telemetry(&self.sensor_a),
             sensor_b: Self::sensor_to_telemetry(&self.sensor_b),
             mode: plant_conf.mode,
+            target_pct: if plant_conf.mode == TargetMoisture {
+                Some(plant_conf.target_moisture as f32)
+            } else {
+                None
+            },
             do_water: self.needs_to_be_watered(plant_conf, current_time),
             dry: if let Some(moisture_percent) = moisture_pct {
                 moisture_percent < plant_conf.target_moisture.into()
@@ -438,6 +445,8 @@ impl PlantState {
 pub struct PlantInfo {
     /// combined plant moisture from available sensors
     moisture_pct: Option<f32>,
+    /// moisture target, if in targetmode
+    target_pct: Option<f32>,
     /// state of humidity sensor on bank a
     sensor_a: SensorTelemetry,
     /// state of humidity sensor on bank b