diff --git a/apps/rebreak-native/deploy.sh b/apps/rebreak-native/deploy.sh
index 4a64081..3f8884b 100755
--- a/apps/rebreak-native/deploy.sh
+++ b/apps/rebreak-native/deploy.sh
@@ -51,6 +51,9 @@
 
 set -euo pipefail
 
+# ERR-Trap: zeigt die exakte Zeile + Command der set -e ausgelöst hat
+trap 'rc=$?; echo "" >&2; echo "✗ deploy.sh aborted (rc=$rc)" >&2; echo "   line $LINENO: $BASH_COMMAND" >&2; echo "   call stack:" >&2; for ((i=0;i<${#FUNCNAME[@]};i++)); do echo "     #$i ${FUNCNAME[$i]:-main} (${BASH_SOURCE[$i]}:${BASH_LINENO[$i]})" >&2; done' ERR
+
 SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
 APP_CONFIG="$SCRIPT_DIR/app.config.ts"
 PACKAGE_JSON="$SCRIPT_DIR/package.json"
@@ -168,17 +171,30 @@ run_quiet() {
     echo "${YELLOW}[DRY-RUN]${RESET} $label: $*"
     return 0
   fi
-  if $VERBOSE || [[ ! -t 1 ]]; then
+  # Debug / verbose mode: stream output directly via tee (no subshell, no spinner)
+  if $VERBOSE || [[ "${RUN_QUIET_DEBUG:-0}" = "1" ]] || [[ ! -t 1 ]]; then
     log "$label"
+    set +e
     "$@" 2>&1 | tee "$logfile"
-    return ${PIPESTATUS[0]}
+    local prc=${PIPESTATUS[0]}
+    set -e
+    if [[ $prc -eq 0 ]]; then
+      ok "$label"
+    else
+      error "$label fehlgeschlagen (exit $prc) — voller Log: $logfile"
+      exit $prc
+    fi
+    return 0
   fi
   local start=$SECONDS
   local expected pid elapsed subtitle rc
   expected=$(runtime_lookup "$label" || echo 0)
   expected=${expected:-0}
   RUN_QUIET_I=0
-  ( "$@" >"$logfile" 2>&1 ) &
+  # Disable set -e/pipefail around backgrounding so wait can capture rc cleanly
+  # (bash 3.2 on macOS aborts unexpectedly with the subshell+wait pattern under set -e)
+  set +e
+  "$@" >"$logfile" 2>&1 &
   pid=$!
   while kill -0 "$pid" 2>/dev/null; do
     elapsed=$((SECONDS - start))
@@ -203,7 +219,9 @@ run_quiet() {
     render_progress "$elapsed" "$expected" "$label" "$subtitle"
     sleep 0.2
   done
-  wait "$pid" && rc=0 || rc=$?
+  wait "$pid"
+  rc=$?
+  set -e
   elapsed=$((SECONDS - start))
   # Clear progress line
   printf '\r\033[K' >&2