Use uv for Python environment

arm_server/start.sh

@@ -1,12 +1,10 @@
 #!/bin/bash
 # 启动机械臂服务端
+set -e
 
-cd ~/work/arm_server
-PYTHON_BIN="${PYTHON_BIN:-/usr/bin/python3}"
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
+ARM_SERVER_DIR="${ARM_SERVER_DIR:-$PROJECT_DIR/arm_server}"
 
-if ! "$PYTHON_BIN" -c "import flask" >/dev/null 2>&1; then
-    echo "Flask 未安装，正在安装 requirements.txt..."
-    "$PYTHON_BIN" -m pip install --user -r requirements.txt
-fi
-
-exec "$PYTHON_BIN" arm_server.py
+cd "$ARM_SERVER_DIR"
+exec uv run --locked python arm_server.py