Improve listener initialization timeout handling with warning log

runtest.sh

@@ -195,8 +195,18 @@ for ((COUNTER = 1; COUNTER <= NUM_TESTS; COUNTER++)); do
         "${ADAPTIVE_ARGS[@]}" > >(tee "$READY_FILE") &
       LISTENER_PID=$!
 
-      # Wait for the READY_FILE to contain "LISTENING_STARTED"
-      bash -c "until grep -q LISTENING_STARTED $READY_FILE; do sleep 0.2; done"
+      # Wait up to 10 seconds for LISTENING_STARTED
+      log "Waiting for listener to initialize (timeout in 10s)..."
+      for ((j = 0; j < 50; j++)); do
+        if grep -q LISTENING_STARTED "$READY_FILE"; then
+          break
+        fi
+        sleep 0.2
+      done
+
+      if ! grep -q LISTENING_STARTED "$READY_FILE"; then
+        warn "Listener did not start properly (LISTENING_STARTED not found in time). Proceeding without it."
+      fi
 
     fi
     log "  Sample $i of $NUM_SAMPLES"