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/nginx/docker-compose.yml

@@ -0,0 +1,82 @@
+# =============================================================================
+# Stack nginx — tests d'intégration ja4ebpf
+#
+# Architecture :
+#   traffic-gen ─HTTPS→ nginx (TLS, HTTP/1.1+h2) ─→ ClickHouse
+#                          ↑
+#                       ja4ebpf (uprobe nginx + hook TC)
+#
+# ja4ebpf attache ses uprobes directement sur /usr/sbin/nginx (qui lie OpenSSL).
+# Le hook TC ingress capture les paquets TCP SYN + TLS ClientHello sur eth0.
+# =============================================================================
+
+services:
+
+  clickhouse:
+    image: clickhouse/clickhouse-server:24.8
+    hostname: clickhouse
+    environment:
+      CLICKHOUSE_DB: ja4_processing
+      CLICKHOUSE_USER: default
+      CLICKHOUSE_DEFAULT_ACCESS_MANAGEMENT: 1
+    volumes:
+      - ../platform/clickhouse-init.sh:/docker-entrypoint-initdb.d/00_init.sh
+      - ../../../shared/clickhouse/00_database.sql:/initdb-src/00_database.sql:ro
+      - ../../../shared/clickhouse/01_raw_tables.sql:/initdb-src/01_raw_tables.sql:ro
+      - ../../../shared/clickhouse/02_dictionaries.sql:/initdb-src/02_dictionaries.sql:ro
+      - ../../../shared/clickhouse/03_anubis_tables.sql:/initdb-src/03_anubis_tables.sql:ro
+      - ../../../shared/clickhouse/04_mv_http_logs.sql:/initdb-src/04_mv_http_logs.sql:ro
+      - ../../../shared/clickhouse/05_aggregation_tables.sql:/initdb-src/05_aggregation_tables.sql:ro
+      - ../../../shared/clickhouse/06_ml_tables.sql:/initdb-src/06_ml_tables.sql:ro
+      - ../../../shared/clickhouse/07_ai_features_view.sql:/initdb-src/07_ai_features_view.sql:ro
+      - ../../../shared/clickhouse/08_users.sql:/initdb-src/08_users.sql:ro
+      - ../../../shared/clickhouse/09_audit_table.sql:/initdb-src/09_audit_table.sql:ro
+      - ../../../shared/clickhouse/10_perf_indexes.sql:/initdb-src/10_perf_indexes.sql:ro
+      - ../../../shared/clickhouse/11_views.sql:/initdb-src/11_views.sql:ro
+      - ../../../shared/clickhouse/12_thesis_features.sql:/initdb-src/12_thesis_features.sql:ro
+      - ../../../shared/data/browser_h2.csv:/initdb-src/browser_h2.csv:ro
+      - ../platform/csv-stubs:/var/lib/clickhouse/user_files
+    ports: ["9000:9000","8123:8123"]
+    healthcheck:
+      test: ["CMD","clickhouse-client","--query","SELECT 1"]
+      interval: 5s
+      timeout: 3s
+      retries: 30
+    networks: [ja4net]
+
+  platform:
+    build:
+      context: ../../..
+      dockerfile: tests/integration/nginx/platform/Dockerfile
+      args:
+        BASE_IMAGE: ${PLATFORM_BASE_IMAGE:-rockylinux:9}
+    hostname: platform
+    # ja4ebpf nécessite CAP_BPF + CAP_NET_ADMIN pour charger eBPF
+    # et CAP_SYS_PTRACE pour attacher les uprobes.
+    cap_add: [NET_ADMIN, BPF, SYS_PTRACE]
+    privileged: true          # requis sur certains kernels pour bpf()
+    environment:
+      JA4EBPF_CH_ADDR: "clickhouse:9000"
+    depends_on:
+      clickhouse:
+        condition: service_healthy
+    ports: ["443:443","80:80"]
+    healthcheck:
+      test: ["CMD","curl","-sfk","https://localhost/health"]
+      interval: 5s
+      timeout: 3s
+      retries: 30
+    networks: [ja4net]
+
+  traffic-gen:
+    build:
+      context: ../traffic-gen
+    hostname: traffic-gen
+    depends_on:
+      platform:
+        condition: service_healthy
+    networks: [ja4net]
+
+networks:
+  ja4net:
+    driver: bridge