feat: add macOS LaunchAgent install/uninstall scripts

- Add install-launchagent.sh for auto-start on boot
- Add uninstall-launchagent.sh for service removal
- Update README.md with deployment instructions

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

uninstall-launchagent.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+# OpenClaw Ollama Toolcall Proxy - macOS LaunchAgent 卸载脚本
+
+set -e
+
+SERVICE_NAME="com.openclaw.ollama-proxy"
+PLIST_PATH="$HOME/Library/LaunchAgents/${SERVICE_NAME}.plist"
+LOG_DIR="$HOME/Library/Logs/OpenClawOllamaProxy"
+
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+echo -e "${YELLOW}=== OpenClaw Ollama Proxy LaunchAgent 卸载 ===${NC}"
+echo ""
+
+# 停止并卸载服务
+if launchctl list "$SERVICE_NAME" &> /dev/null; then
+    launchctl bootout gui/$(id -u) "$PLIST_PATH"
+    echo -e "${GREEN}✓${NC} 停止并卸载服务"
+else
+    echo -e "${YELLOW}服务未运行${NC}"
+fi
+
+# 删除 plist 文件
+if [ -f "$PLIST_PATH" ]; then
+    rm "$PLIST_PATH"
+    echo -e "${GREEN}✓${NC} 删除 plist 文件: $PLIST_PATH"
+fi
+
+echo ""
+echo -e "${GREEN}=== 卸载完成 ===${NC}"
+echo ""
+echo "日志目录保留在: $LOG_DIR"
+echo "如需删除日志: rm -rf $LOG_DIR"