Add validation tests for packet_capture, credential_db, and ja3_spoofer
Tests cover:
- packet_capture: zstd compression, AES-256-GCM encryption, rotation
pipeline, disk purge, file locking (15 tests)
- credential_db: ingestion, deduplication at scale (1000+), hashcat
export filtering, crack status management, bulk update, CSV/JSON
export, query helpers (25 tests)
- ja3_spoofer: builtin profile validation, cipher ID mapping, external
DB loading, auto-selection, SSL context config, randomization
validation (28 tests)
Addresses DevTrack items #424, #425, #437.
n0mad1k
ecec702937