diff --git a/files/ansible-playbooks/sot-updater.yml b/files/ansible-playbooks/sot-updater.yml
index eb30487..1dcd301 100644
--- a/files/ansible-playbooks/sot-updater.yml
+++ b/files/ansible-playbooks/sot-updater.yml
@@ -742,6 +742,80 @@
         non_ts_diff_found: true
       changed_when: false
 
+    # ----------------------- Dev1 auto_ssid config flag → auto_ssid -----------------------
+    - name: Dev1 | Read auto_ssid from config.json
+      delegate_to: localhost
+      shell: |
+        sshpass -p '{{ dev1_pass }}' ssh {{ ssh_opts_common }} \
+        "{{ dev1_user }}@{{ ansible_host|default(inventory_hostname) }}" \
+        "grep -E '\"auto_ssid\":' /tmp/config.json 2>/dev/null | head -n1 | awk -F: '{print \$2}' | tr -d '[:space:],\"' || true"
+      register: auto_ssid_raw
+      changed_when: false
+      failed_when: false
+      ignore_errors: true
+
+    - name: Dev1 | Normalize auto_ssid value
+      delegate_to: localhost
+      vars:
+        auto_ssid_raw_clean: "{{ auto_ssid_raw.stdout | default('') | trim | lower }}"
+      set_fact:
+        auto_ssid_value: >-
+          {{
+            auto_ssid_raw_clean
+            if auto_ssid_raw_clean in ['true', 'false']
+            else 'n/a'
+          }}
+      changed_when: false
+
+    # ----------------------- Scan tracking: Dev1 auto_ssid -----------------------
+    - name: Scan tracking | Dev1 auto_ssid outcome
+      delegate_to: localhost
+      set_fact:
+        scan_ok: "{{ scan_ok + (['auto_ssid'] if ((auto_ssid_value | default('n/a')) != 'n/a') else []) }}"
+        scan_fail: "{{ scan_fail + (['auto_ssid=n/a'] if ((auto_ssid_value | default('n/a')) == 'n/a') else []) }}"
+      changed_when: false
+
+    - name: Dev1 | auto_ssid debug
+      delegate_to: localhost
+      debug:
+        msg:
+          - "auto_ssid_raw={{ auto_ssid_raw.stdout | default('') | trim }}"
+          - "auto_ssid_value={{ auto_ssid_value | default('n/a') }}"
+
+    - name: Publish Dev1 auto_ssid custom field
+      when:
+        - (not (nb_baseline_ok | default(false))) or ((auto_ssid_value) != (nb_custom_fields_current.get('auto_ssid')))
+      delegate_to: localhost
+      uri:
+        url: "http://{{ rmq_host }}:{{ rmq_port }}/api/exchanges/{{ rmq_vhost|urlencode }}/{{ rmq_exchange|urlencode }}/publish"
+        method: POST
+        user: "{{ rmq_user }}"
+        password: "{{ rmq_pass }}"
+        force_basic_auth: true
+        status_code: 200
+        headers: { content-type: "application/json" }
+        body_format: json
+        body:
+          properties: { content_type: "application/json" }
+          routing_key: "{{ control_queue }}"
+          payload: "{{ {
+            'inscope_device': (ansible_hostname|default(inventory_hostname)),
+            'task_name': 'custom_field_set',
+            'task_add1': 'auto_ssid',
+            'task_result': auto_ssid_value
+          } | to_json }}"
+          payload_encoding: "string"
+      changed_when: false
+
+
+    - name: Delta tracking | Mark changed auto_ssid
+      when:
+        - (not (nb_baseline_ok | default(false))) or ((auto_ssid_value) != (nb_custom_fields_current.get('auto_ssid')))
+      delegate_to: localhost
+      set_fact:
+        non_ts_diff_found: true
+      changed_when: false
+
     # ----------------------- Dev1 scroll24.sh check & publish -----------------------
     - name: Dev1 | Check scroll24.sh presence
       delegate_to: localhost