fix: change gateway.bind to lan and cleanup startup script

Dockerfile

@@ -54,7 +54,7 @@ cat > "$OPENCLAW_HOME/openclaw.json" << EOF\n\
   },\n\
   "gateway": {\n\
     "mode": "local",\n\
-    "bind": "0.0.0.0",\n\
+    "bind": "lan",\n\
     "port": 7860,\n\
     "trustedProxies": ["0.0.0.0/0"],\n\
     "auth": {\n\
@@ -84,12 +84,8 @@ cat > "$OPENCLAW_HOME/openclaw.json" << EOF\n\
 }\n\
 EOF\n\
 \n\
-# Link the config to the expected location if needed\n\
-mkdir -p "$HOME/.openclaw"\n\
-ln -sf "$OPENCLAW_HOME/openclaw.json" "$HOME/.openclaw/openclaw.json"\n\
-\n\
 # Debug: show config\n\
-cat "$HOME/.openclaw/openclaw.json"\n\
+cat "$OPENCLAW_HOME/openclaw.json"\n\
 \n\
 # Fix config if needed\n\
 openclaw doctor --fix\n\
@@ -99,4 +95,4 @@ echo "Starting OpenClaw gateway on port 7860..."\n\
 exec openclaw gateway run --port 7860 --allow-unconfigured\n\
 ' > /usr/local/bin/start-openclaw && chmod +x /usr/local/bin/start-openclaw
 
-CMD ["/usr/local/bin/start-openclaw"]
+CMD ["/usr/local/bin/start-openclaw"]