fix(ja4ebpf): split bpf2go generate into Ja4Tc + Ja4Ssl, fix RPM systemd-rpm-macros

- Use two separate //go:generate directives (Ja4Tc for tc_capture.c, Ja4Ssl
  for uprobe_ssl.c) to avoid duplicate LICENSE symbol and multi-file clang issue
- Update loader.go to hold tcObjs/sslObjs separately with correct field names:
  UprobeSslSetFd, UprobeSslReadEntry, UretprobeSslReadExit,
  KprobeAccept4Entry, KretprobeAccept4Exit
- Add systemd-rpm-macros to all three RPM build stages (el8/el9/el10)
  so that %{_unitdir} macro resolves correctly
- RPMs now build successfully for el8, el9, el10

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

tests/integration/run-all-stacks.sh

@@ -0,0 +1,83 @@
+#!/usr/bin/env bash
+# =============================================================================
+# run-all-stacks.sh — Lance les tests des 3 stacks web en séquence
+#
+# Usage :
+#   ./run-all-stacks.sh              # toutes les stacks
+#   ./run-all-stacks.sh nginx        # stack nginx uniquement
+#   ./run-all-stacks.sh nginx-varnish hitch-varnish  # 2 stacks
+#   ./run-all-stacks.sh --no-down    # garder les stacks actives
+# =============================================================================
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[1;33m'; CYAN='\033[0;36m'; NC='\033[0m'
+
+log()  { echo -e "${CYAN}[run-all]${NC} $(date +%H:%M:%S) $*"; }
+pass() { echo -e "${GREEN}  ✓ $*${NC}"; }
+fail() { echo -e "${RED}  ✗ $*${NC}"; }
+
+# Stacks disponibles
+ALL_STACKS=(apache nginx nginx-varnish hitch-varnish)
+
+STACKS_TO_RUN=()
+EXTRA_ARGS=()
+
+for arg in "$@"; do
+    case "$arg" in
+        apache|nginx|nginx-varnish|hitch-varnish)
+            STACKS_TO_RUN+=("$arg") ;;
+        *)
+            EXTRA_ARGS+=("$arg") ;;
+    esac
+done
+
+# Par défaut : toutes les stacks
+[ "${#STACKS_TO_RUN[@]}" -eq 0 ] && STACKS_TO_RUN=("${ALL_STACKS[@]}")
+
+declare -A RESULTS
+
+for stack in "${STACKS_TO_RUN[@]}"; do
+    runner="$SCRIPT_DIR/$stack/run-tests.sh"
+    if [ ! -f "$runner" ]; then
+        log "ERREUR : runner introuvable pour la stack '$stack' ($runner)"
+        RESULTS[$stack]="MISSING"
+        continue
+    fi
+    chmod +x "$runner"
+
+    log "========================================================"
+    log "Démarrage de la stack : $stack"
+    log "========================================================"
+
+    if bash "$runner" "${EXTRA_ARGS[@]}"; then
+        RESULTS[$stack]="PASS"
+        pass "Stack $stack : TOUS LES TESTS RÉUSSIS"
+    else
+        RESULTS[$stack]="FAIL"
+        fail "Stack $stack : DES TESTS ONT ÉCHOUÉ"
+    fi
+    echo ""
+done
+
+# ── Résumé global ─────────────────────────────────────────────────────────────
+log "========================================================"
+log "RÉSUMÉ GLOBAL"
+log "========================================================"
+
+TOTAL_PASS=0
+TOTAL_FAIL=0
+
+for stack in "${STACKS_TO_RUN[@]}"; do
+    result="${RESULTS[$stack]:-MISSING}"
+    case "$result" in
+        PASS)    pass "[$stack] RÉUSSI" ; TOTAL_PASS=$((TOTAL_PASS + 1)) ;;
+        FAIL)    fail "[$stack] ÉCHOUÉ" ; TOTAL_FAIL=$((TOTAL_FAIL + 1)) ;;
+        MISSING) echo -e "${YELLOW}  ⚠ [$stack] MANQUANT${NC}" ; TOTAL_FAIL=$((TOTAL_FAIL + 1)) ;;
+    esac
+done
+
+echo ""
+log "Total : ${TOTAL_PASS} réussi(s), ${TOTAL_FAIL} échoué(s) sur ${#STACKS_TO_RUN[@]} stacks"
+
+[ "$TOTAL_FAIL" -gt 0 ] && exit 1 || exit 0