Update OpenClaw to 2026.2.24 and enhance gateway configuration options

- Added `gateway_remote_url` and `gateway_additional_allowed_origins` options for improved remote gateway support.
- Updated startup guidance for `gateway_auth_mode=trusted-proxy`.
- Adjusted token retrieval instructions in the landing page.
- Updated translations for new configuration options.
- Fixed various issues related to gateway settings and TLS certificate generation.

openclaw_assistant/config.yaml

@@ -1,5 +1,5 @@
 name: OpenClaw Assistant
-version: "0.5.53"
+version: "0.5.54"
 slug: openclaw_assistant
 description: Run OpenClaw Assistant (OpenClaw-compatible) as a Home Assistant add-on.
 url: https://github.com/techartdev/OpenClawHomeAssistant
@@ -62,6 +62,10 @@ options:
   # Default is local.
   gateway_mode: local
 
+  # Remote gateway URL (used when gateway_mode=remote)
+  # Example: "ws://192.168.1.20:18789" or "wss://gateway.example.com:443"
+  gateway_remote_url: ""
+
   # Gateway network bind mode:
   # - loopback: bind to 127.0.0.1 only (local access only, most secure)
   # - lan: bind to all interfaces (accessible from local network)
@@ -89,6 +93,13 @@ options:
   # Example: "127.0.0.1,192.168.88.0/24"
   gateway_trusted_proxies: ""
 
+  # Additional allowed origins for gateway.controlUi.allowedOrigins.
+  # Merged with built-in defaults and existing configured origins.
+  # In lan_https mode, hostnames/IPs from these origins are also added to the
+  # TLS certificate SAN so the cert is valid for custom domains.
+  # Example: "https://ha.example.com:8443,capacitor://localhost"
+  gateway_additional_allowed_origins: ""
+
   # Enable OpenAI-compatible Chat Completions API endpoint
   # When enabled, OpenClaw can be used as a conversation agent in HA Assist pipeline
   # via Extended OpenAI Conversation (HACS) or any OpenAI-compatible client
@@ -133,11 +144,13 @@ schema:
   clean_session_locks_on_start: bool?
   clean_session_locks_on_exit: bool?
   gateway_mode: list(local|remote)?
+  gateway_remote_url: str?
   gateway_bind_mode: list(loopback|lan|tailnet)?
   gateway_port: int(1,65535)?
   access_mode: list(custom|local_only|lan_https|lan_reverse_proxy|tailnet_https)?
   gateway_auth_mode: list(token|trusted-proxy)?
   gateway_trusted_proxies: str?
+  gateway_additional_allowed_origins: str?
   enable_openai_api: bool?
   force_ipv4_dns: bool?
   gateway_env_vars: