feat(parser): implement RFC 5322 email address parser with full ABNF coverage - #25
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…coverage Added a Python parser implementing the complete ABNF grammar from RFC 5322 sections 3.2-3.4, plus obsolete syntax from section 4.4. - AddressParser class with parse(), parse_address_list(), parse_mailbox_list() - RFC5322Address dataclass with display_name, local_part, domain, group support - Strict/permissive mode for obs-* production handling - 73 test cases covering quoted-pair, FWS, CFWS, quoted-string, addr-spec, domain literals (IPv4/IPv6), group addresses, and obsolete forms - Compliance matrix mapping all ABNF productions to tests Closes UnsafeLabs#1 Signed-off-by: Gautam Kumar <gautamkumarofficial@users.noreply.github.com>
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Implemented a complete RFC 5322 email address parser in Python, covering the full ABNF grammar from sections 3.2-3.4 plus obsolete syntax from section 4.4.
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Closes #1