feat: add start/stop scripts with GROQ env and PID management

start.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+cd "$(dirname "$0")"
+source ~/.bashrc
+if [ -f deepshell.pid ]; then
+    echo "DeepShell already running (PID $(cat deepshell.pid))"
+    exit 1
+fi
+nohup python run_deepshell.py > deepshell.log 2>&1 &
+echo $! > deepshell.pid
+echo "DeepShell started (PID $(cat deepshell.pid))"
+echo "Logs: tail -f $(pwd)/deepshell.log"

stop.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+cd "$(dirname "$0")"
+if [ ! -f deepshell.pid ]; then
+    echo "DeepShell not running"
+    exit 1
+fi
+PID=$(cat deepshell.pid)
+fuser -k 8001/tcp 2>/dev/null
+rm -f deepshell.pid
+echo "DeepShell stopped (PID $PID)"