docs: update claude setup

refactor: Move some things to roles
refactor: fix some linting

roles/openclaw/templates/openclaw-config.yaml.j2

@@ -0,0 +1,24 @@
+# OpenClaw configuration — managed by Ansible, do not edit manually
+# Ref: https://docs.openclaw.ai
+
+gateway:
+  port: 18789
+  # Gateway binds localhost only; Tailscale is the remote access path
+
+providers:
+  - type: {{ openclaw_model_provider }}
+    apiKey: "{{ openclaw_api_key }}"
+
+{% if openclaw_signal_enabled | bool %}
+channels:
+  signal:
+    account: "{{ openclaw_signal_account }}"
+    cliPath: "{{ openclaw_signal_cli_path }}"
+    dmPolicy: {{ openclaw_signal_dm_policy }}
+{% if openclaw_signal_allow_from | length > 0 %}
+    allowFrom:
+{% for number in openclaw_signal_allow_from %}
+      - "{{ number }}"
+{% endfor %}
+{% endif %}
+{% endif %}