Add OpenAI API integration and update translations

- Introduced `enable_openai_api` option in config.yaml to enable OpenAI-compatible Chat Completions endpoint.
- Updated `apply_gateway_settings` function to handle OpenAI API settings.
- Enhanced documentation in DOCS.md for integrating OpenClaw with Home Assistant Assist pipeline.
- Added translations for `enable_openai_api` in English, Bulgarian, German, Spanish, and Polish.
- Bumped version to 0.5.37 in config.yaml.

openclaw_assistant/run.sh

@@ -48,6 +48,7 @@ CLEAN_LOCKS_ON_EXIT=$(jq -r '.clean_session_locks_on_exit // true' "$OPTIONS_FIL
 GATEWAY_MODE=$(jq -r '.gateway_mode // "local"' "$OPTIONS_FILE")
 GATEWAY_BIND_MODE=$(jq -r '.gateway_bind_mode // "loopback"' "$OPTIONS_FILE")
 GATEWAY_PORT=$(jq -r '.gateway_port // 18789' "$OPTIONS_FILE")
+ENABLE_OPENAI_API=$(jq -r '.enable_openai_api // false' "$OPTIONS_FILE")
 ALLOW_INSECURE_AUTH=$(jq -r '.allow_insecure_auth // false' "$OPTIONS_FILE")
 
 export TZ="$TZNAME"
@@ -233,7 +234,7 @@ fi
 
 if [ -f "$OPENCLAW_CONFIG_PATH" ]; then
   if [ -f "$HELPER_PATH" ]; then
-    if ! python3 "$HELPER_PATH" apply-gateway-settings "$GATEWAY_MODE" "$GATEWAY_BIND_MODE" "$GATEWAY_PORT" "$ALLOW_INSECURE_AUTH"; then
+    if ! python3 "$HELPER_PATH" apply-gateway-settings "$GATEWAY_MODE" "$GATEWAY_BIND_MODE" "$GATEWAY_PORT" "$ENABLE_OPENAI_API" "$ALLOW_INSECURE_AUTH"; then
       rc=$?
       echo "ERROR: Failed to apply gateway settings via oc_config_helper.py (exit code ${rc})."
       echo "ERROR: Gateway configuration may be incorrect; aborting startup."