fix(web-app-keycloak): create the dictionary's client scopes before converging the client

The client update converges defaultClientScopes and optionalClientScopes
and fails with "Desired client scope does not exist in the realm" for a
scope the realm lacks. A realm imported from the current dictionary has
them all, but a realm an older release created does not, and the RBAC
scope was only created later, in 04_rbac_client_scope.yml, after the
convergence had already failed. The Keycloak stage on echoserver stopped
there on its legacy realm.

01_client.yml now reads the realm's client scopes and creates every scope
of KEYCLOAK_DICTIONARY_REALM.clientScopes that is missing, before the
convergence; existing scopes are left alone, and on an imported realm the
step creates nothing. The RBAC-only create in 04 is gone with it.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

roles/web-app-keycloak/tasks/update/01_client.yml

@@ -1,4 +1,23 @@
 ---
+- name: ⬇️ Read the client scopes of the realm
+  shell: "{{ KEYCLOAK_EXEC_KCADM }} get client-scopes -r {{ KEYCLOAK_REALM }} --format json"
+  register: kc_realm_client_scopes
+  changed_when: false
+
+- name: ✅ Create the client scopes the realm dictionary declares and the realm lacks
+  shell: |
+    cat <<'JSON' | {{ KEYCLOAK_EXEC_KCADM }} create client-scopes -r {{ KEYCLOAK_REALM }} -f -
+    {{ kc_client_scope | to_json }}
+    JSON
+  loop: >-
+    {{ KEYCLOAK_DICTIONARY_REALM.clientScopes
+       | rejectattr('name', 'in', kc_realm_client_scopes.stdout | kcadm_json | map(attribute='name') | list)
+       | list }}
+  loop_control:
+    loop_var: kc_client_scope
+    label: "{{ kc_client_scope.name }}"
+  changed_when: true
+
 - name: "🔄 Update Client settings"
   vars:
     kc_object_kind: "client"

roles/web-app-keycloak/tasks/update/04_rbac_client_scope.yml

@@ -1,20 +1,4 @@
 ---
-- name: ✅ Ensure RBAC client scope exists
-  shell: |
-    cat <<'JSON' | {{ KEYCLOAK_EXEC_KCADM }} create client-scopes -r {{ KEYCLOAK_REALM }} -f -
-    {{
-      (
-        KEYCLOAK_DICTIONARY_REALM.clientScopes
-        | selectattr('name','equalto', KEYCLOAK_RBAC_GROUP_CLAIM)
-        | list | first
-      ) | to_json
-    }}
-    JSON
-  register: create_rbac_scope
-  changed_when: create_rbac_scope.rc == 0
-  failed_when: create_rbac_scope.rc != 0 and ('already exists' not in (create_rbac_scope.stderr | lower))
-  no_log: "{{ MASK_CREDENTIALS_IN_LOGS | bool }}"
-
 - name: ⬇️ Get all client scopes
   shell: "{{ KEYCLOAK_EXEC_KCADM }} get client-scopes -r {{ KEYCLOAK_REALM }} --format json"
   register: all_scopes