add timeout for llama-server startup to prevent indefinite waiting

src/start.sh

@@ -65,6 +65,8 @@ LD_LIBRARY_PATH=/app /app/llama-server $CACHED_LLAMA_ARGS $LLAMA_SERVER_CMD_ARGS
 
 LLAMA_SERVER_PID=$! # store the process ID (PID) of the background command
 
+tries_so_far=0
+
 check_server_is_running() {
     echo "start.sh: Checking if llama-server is done initializing..."
 
@@ -74,6 +76,13 @@ check_server_is_running() {
         return 1 # failure
     fi
 
+    tries_so_far=$((tries_so_far + 1))
+
+    if [ $tries_so_far -ge 120 ]; then
+        echo "start.sh: Error: llama-server did not start within 60 seconds."
+        exit 1
+    fi
+
     # check if the process is still running
     if ! kill -0 $LLAMA_SERVER_PID 2>/dev/null; then
         echo "start.sh: Error: llama-server process has exited unexpectedly."