fix jenkinsfile num error 2

api/Jenkinsfile.ble_test

@@ -19,33 +19,34 @@ pipeline {
         string(name: 'BT_USB_ID',  defaultValue: '0bda:c821', description: 'USB ID of the BLE dongle')
     }
 
-    // ------------------------------------------------------------------
+    // ─────────────────────────────────────────────────────────────────────
     // Stages
-    // ------------------------------------------------------------------
+    // ─────────────────────────────────────────────────────────────────────
     stages {
 
-        // ---------------------------------------------------------------
+        // ─────────────────────────────────────────────────────────────────────
-        // 1️⃣  Generate a unique screen session name
+        // 1️⃣  Build a unique screen session name
-        // ---------------------------------------------------------------
+        // ─────────────────────────────────────────────────────────────────────
         stage('Prepare Screen Name') {
             steps {
                 script {
-                    // 1) Get epoch seconds (long)
+                    // epoch seconds as a plain long
-                    long epochSec = (System.currentTimeMillis() / 1000L) as long
+                    long epochSec = System.currentTimeMillis() / 1000L
 
-                    // 2) Keep only the last 6 digits to avoid collisions
+                    // keep only the last 6 digits → guarantees uniqueness
-                    env.SCREEN_SESSION = "ble_test_${String.format('%06d', epochSec % 1_000_000)}"
+                    env.SCREEN_SESSION =
+                        "ble_test_${String.format('%06d', epochSec % 1_000_000)}"
                 }
             }
         }
 
-        // ---------------------------------------------------------------
+        // ─────────────────────────────────────────────────────────────────────
         // 2️⃣  Ensure screen is installed (runs only once)
-        // ---------------------------------------------------------------
+        // ─────────────────────────────────────────────────────────────────────
         stage('Ensure screen is present') {
             steps {
                 sshagent([env.SSH_CREDENTIALS_ID]) {
-                    sh '''\
+                    sh """
                     ssh -o StrictHostKeyChecking=no \
                         -o ServerAliveInterval=60 \
                         -o ServerAliveCountMax=120 \
@@ -55,45 +56,45 @@ if ! command -v screen > /dev/null; then
                         apt-get update && apt-get install -y screen
                     fi
                     EOF
-'''
+                    """
                 }
             }
         }
 
-        // ---------------------------------------------------------------
+        // ─────────────────────────────────────────────────────────────────────
         // 3️⃣  Run the BLE test inside a detached screen session
-        // ---------------------------------------------------------------
+        // ─────────────────────────────────────────────────────────────────────
         stage('Run BLE Test') {
             steps {
                 retry(3) {                      // 3× retry on transient SSH hiccups
                     timeout(time: 8, unit: 'HOURS') {   // 8‑hour hard timeout
                         sshagent([env.SSH_CREDENTIALS_ID]) {
-                            sh '''\
+                            sh """
                             ssh -o StrictHostKeyChecking=no \
                                 -o ServerAliveInterval=60 \
                                 -o ServerAliveCountMax=120 \
                                 root@${params.host_ip} <<'EOF'
                             # Start test in detached screen
                             screen -dmS ${env.SCREEN_SESSION} bash -c '
-    echo "===== BLE test starting: $(date)" > /tmp/ble_test.log
+                                echo "===== BLE test starting: \$(date)" > /tmp/ble_test.log
                                 usbreset ${params.BT_USB_ID}
                                 sleep 5
                                 cd /opt/ble-test/ble_api
                                 git pull
                                 cd /opt/ble-test/ble_api/api
                                 python3 -u ${REMOTE_SCRIPT} ${params.test_count} 2>&1 | tee -a /tmp/ble_test.log
-    echo "===== BLE test finished: $(date)" >> /tmp/ble_test.log
+                                echo "===== BLE test finished: \$(date)" >> /tmp/ble_test.log
                             '
                             # Give screen a moment to spin up
                             sleep 2
                             EOF
-'''
+                            """
                         }
 
                         // ------------------------------------------------------------------
                         // 3a. Verify that the test finished successfully
                         // ------------------------------------------------------------------
-                        sh '''\
+                        sh """
                         ssh -o StrictHostKeyChecking=no \
                             -o ServerAliveInterval=60 \
                             -o ServerAliveCountMax=120 \
@@ -105,20 +106,20 @@ else
                             exit 1
                         fi
                         EOF
-'''
+                        """
                     }
                 }
             }
         }
     }
 
-    // ------------------------------------------------------------------
+    // ─────────────────────────────────────────────────────────────────────
     // Post‑build cleanup – kill the remote screen session
-    // ------------------------------------------------------------------
+    // ─────────────────────────────────────────────────────────────────────
     post {
         always {
             sshagent([env.SSH_CREDENTIALS_ID]) {
-                sh '''\
+                sh """
                 ssh -o StrictHostKeyChecking=no \
                     -o ServerAliveInterval=60 \
                     -o ServerAliveCountMax=120 \
@@ -127,7 +128,7 @@ if screen -list | grep -q ${env.SCREEN_SESSION}; then
                     screen -S ${env.SCREEN_SESSION} -X quit
                 fi
                 EOF
-'''
+                """
             }
         }
     }