feat: add ja4db fingerprint lookup integration#7
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Adds optional fingerprint identification using FoxIO's ja4plus-mapping.csv as a bundled local database, with optional remote lookup via ja4db.com API. - JA4DBClient with local caching (one lookup per unique fingerprint) - CLI --lookup flag for analyze and live subcommands - Bundled database identifies Chromium, Firefox, Safari, Python, Windows, Linux, and known malware/C2 fingerprints - Graceful degradation when requests not installed or API unavailable - Install with: pip install ja4plus[lookup]
…t lookup - Remove unused `import io` from ja4db.py - Replace __import__ hack with normal import in cli.py cmd_cert - Wire --lookup flag into cert subcommand (was missing) - Replace bare except in _get_packet_source with specific types
# Conflicts: # .gitignore
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Summary
JA4DBClientwith local caching (one lookup per unique fingerprint)--lookupflag for analyze, live, and cert subcommandspip install ja4plus[lookup])This PR includes merge commits combining all prior PRs. Merge last after PRs 1-6 land.