correctly showing errors if they happen on sensors on the dashboard a…

messages/en.json

@@ -1034,6 +1034,7 @@
 	"dashboard_loading_details": "Loading details…",
 	"dashboard_no_devices": "No devices",
 	"dashboard_no_location": "No location",
+	"dashboard_sensor_error": "Sensor Error",
 	"sensor_temperature": "Temperature",
 	"sensor_humidity": "Humidity",
 	"sensor_moisture": "Moisture",

messages/ja.json

@@ -728,6 +728,7 @@
 	"dashboard_loading_details": "詳細を読み込み中…",
 	"dashboard_no_devices": "デバイスがありません",
 	"dashboard_no_location": "ロケーションなし",
+	"dashboard_sensor_error": "センサーエラー",
 	"dashboard_no_matching_locations_body": "ダッシュボードのフィルターを調整するか、解除してロケーションをさらに表示してください。",
 	"dashboard_no_matching_locations_title": "この条件に一致するデバイスはありません",
 	"dashboard_virtual_scroll": "仮想スクロール",

package.json

@@ -54,7 +54,7 @@
 	},
 	"packageManager": "pnpm@10.18.2+sha512.9fb969fa749b3ade6035e0f109f0b8a60b5d08a1a87fdf72e337da90dcc93336e2280ca4e44f2358a649b83c17959e9993e777c2080879f3801e6f0d999ad3dd",
 	"dependencies": {
-		"@cropwatchdevelopment/cwui": "0.1.103",
+		"@cropwatchdevelopment/cwui": "0.1.105",
 		"@supabase/supabase-js": "^2.98.0"
 	}
 }

src/lib/api/api.dtos.ts

@@ -139,6 +139,8 @@ export interface DashboardRow {
 	group: string | null;
 	upload_interval: number | null;
 	last_data_updated_at: string | null;
+	/** Device-reported fault string; non-empty means the sensor needs attention. */
+	error_status: string | null;
 	device_type: DashboardDeviceType;
 	location: DashboardLocation | null;
 	latest: DashboardLatest | null;

src/lib/components/dashboard/DashboardCards.svelte

@@ -123,6 +123,7 @@
 						existing.latest = next.latest;
 						existing.last_data_updated_at = next.last_data_updated_at;
 						existing.upload_interval = next.upload_interval;
+						existing.error_status = next.error_status;
 					}
 				}
 			}
@@ -176,6 +177,13 @@
 		return { ...readingProps(def.format, def.unit, row.latest?.secondary), icon: def.icon };
 	}
 
+	// A non-empty `error_status` on the device row means the sensor has reported a
+	// fault. Mirrors the device-detail page's convention. The raw status value is a
+	// device-side code (e.g. "-55"), so the card shows a localized message instead.
+	function hasDeviceError(row: DashboardRow): boolean {
+		return typeof row.error_status === 'string' && row.error_status.trim().length > 0;
+	}
+
 	function detailEntries(details: Record<string, unknown>) {
 		return Object.entries(details)
 			.filter(([col, value]) => isDisplayableColumn(col) && value !== null && value !== undefined)
@@ -276,6 +284,7 @@
 						<CwSensorCard
 							label={row.name}
 							status={row.latest ? 'online' : 'loading'}
+							hasError={hasDeviceError(row) ? m.dashboard_sensor_error() : null}
 							primaryValue={primary.value}
 							primaryUnit={primary.unit}
 							primaryLabel={primary.label}