feat(ebpf): Apache HTTP capture + nginx multi-kernel validation
**Apache HTTP capture via apr_socket_recv** :
- Uprobe sur libapr-1.so.0 (Apache Portable Runtime)
- Compatible tous kernels 4.18+ (CentOS 8, Rocky 9/10)
- Configuration unifiée : servers: ["nginx", "apache"]
**nginx HTTP capture validation multi-kernel** :
- Kretprobe __x64_sys_recvfrom validé sur CentOS 8 (4.18)
- Rocky 9 (5.14) et Rocky 10 (6.12) confirmés
- Contourne limitation tracepoint sys_exit_recvfrom
**Documentation** :
- docs/TEST_BUILD_STACK.md : stack complète test/build (VMs, Docker, RPMs)
- services/ja4ebpf/docs/APACHE_HTTP_VALIDATION.md : validation Apache
- services/ja4ebpf/docs/NGINX_MULTI_KERNEL_VALIDATION.md : validation nginx
- docs/architecture.md + docs/services/ja4ebpf.md mis à jour
**Tests unitaires Apache** :
- internal/loader/apache_test.go : tests libapr, paths, structures BPF
- internal/correlation/apache_test.go : tests corrélation HTTP Apache
**Packaging** :
- RPM spec mis à jour (version 0.3.0-1, changelog complet)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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