feat(wirepas): record local timestamp

wirepas-5g-mesh-gateway/decodePayload.spec.ts

@@ -4,6 +4,8 @@ import assert from 'node:assert/strict'
 
 void describe('decodePayload()', () => {
 	void it('should decode a regular payload', () => {
+		const now = Date.now()
+
 		const payload = Buffer.from(
 			[
 				// [0x01: COUNTER]         [0x04]   [size_t counter]
@@ -52,11 +54,14 @@ void describe('decodePayload()', () => {
 			'hex',
 		)
 
-		const decoded = decodePayload(payload)
+		const decoded = decodePayload(payload, undefined, () => now)
 
 		assert.deepEqual(decoded, {
 			// eslint-disable-next-line @typescript-eslint/no-loss-of-precision
-			temp: 24.479999542236328,
+			temp: {
+				v: 24.479999542236328,
+				ts: now,
+			},
 		})
 	})
 

wirepas-5g-mesh-gateway/decodePayload.ts

@@ -1,6 +1,10 @@
 import { ScannableArray } from './ScannableArray.js'
 export type Wirepas5GMeshNodePayload = {
-	temp?: number
+	temp?: {
+		v: number
+		// The local timestamp
+		ts: number
+	}
 	btn?: {
 		// The ID of the pressed button
 		v: number
@@ -166,7 +170,13 @@ export const decodePayload = (
 				skip()
 				continue
 			case MessageType.TEMPERATURE:
-				message = { ...message, temp: readFloat(msg, len) }
+				message = {
+					...message,
+					temp: {
+						v: readFloat(msg, len),
+						ts: now(),
+					},
+				}
 				continue
 			default:
 				onUnknown?.(type, msg.pos() - 1)