feat(vm): bind net-smtp/imap/pop/ftp/sftp + webrick

go.mod

@@ -88,7 +88,12 @@ require (
 	github.com/go-ruby-mustache/mustache v0.0.0-20260701123847-26d5e451677a
 	github.com/go-ruby-mysql/mysql v0.0.0-20260704103258-b9ed4a15ba9d
 	github.com/go-ruby-nats/nats v0.0.0-20260704105415-42cce800b0e7
+	github.com/go-ruby-net-ftp/net-ftp v0.0.0-20260630142044-917edc09066e
 	github.com/go-ruby-net-http/net-http v0.0.0-20260630124155-c794366ce72f
+	github.com/go-ruby-net-imap/net-imap v0.0.0-20260630193116-82cd428e7b0f
+	github.com/go-ruby-net-pop/net-pop v0.0.0-20260630142109-66d7036032f5
+	github.com/go-ruby-net-sftp/net-sftp v0.0.0-20260630142744-9be6f27056d7
+	github.com/go-ruby-net-smtp/net-smtp v0.0.0-20260630142921-0151ad2e87f5
 	github.com/go-ruby-nokogiri/nokogiri v0.0.0-20260702164556-6e939959240e
 	github.com/go-ruby-oauth2/oauth2 v0.0.0-20260702151234-88fab8d845a1
 	github.com/go-ruby-observer/observer v0.0.0-20260630080708-c3a02da51f79
@@ -147,6 +152,7 @@ require (
 	github.com/go-ruby-uri/uri v0.0.0-20260629113958-59633d1b0deb
 	github.com/go-ruby-warden/warden v0.0.0-20260706120446-d887742539ef
 	github.com/go-ruby-webauthn/webauthn v0.0.0-20260704120708-35595b0ac27b
+	github.com/go-ruby-webrick/webrick v0.0.0-20260630133907-a1380ee7733b
 	github.com/go-ruby-xslt/xslt v0.0.0-20260702171958-146eaf3f0176
 	github.com/go-ruby-yaml/yaml v0.0.0-20260629093916-8035038027bd
 	github.com/go-ruby-zeitwerk/zeitwerk v0.0.0-20260706163820-cda238c0e98c

go.sum

@@ -338,8 +338,18 @@ github.com/go-ruby-mysql/mysql v0.0.0-20260704103258-b9ed4a15ba9d h1:tlOKd49moGe
 github.com/go-ruby-mysql/mysql v0.0.0-20260704103258-b9ed4a15ba9d/go.mod h1:ppWK2CmOURx2o9vRsiGVeIZHI/AjCSq0RX74ssEZG8g=
 github.com/go-ruby-nats/nats v0.0.0-20260704105415-42cce800b0e7 h1:F+ghhcdLDBVGG977zAq2WQGos1HgRLj/jHJqkIiLL6E=
 github.com/go-ruby-nats/nats v0.0.0-20260704105415-42cce800b0e7/go.mod h1:cm0D4pmaTvvQFPK815E7/uJaGeGxkr5xFLHixeQixTA=
+github.com/go-ruby-net-ftp/net-ftp v0.0.0-20260630142044-917edc09066e h1:OJa/XKKm+bxdCoM3UKpmsgnk8hl3bFz25jEbZCvd08I=
+github.com/go-ruby-net-ftp/net-ftp v0.0.0-20260630142044-917edc09066e/go.mod h1:1H5yOndya/hONJxNjd0oAbRyCAyurxcbze0FXlF2ExA=
 github.com/go-ruby-net-http/net-http v0.0.0-20260630124155-c794366ce72f h1:nS0qwCPtVAtp+48j6KkdTdpVL8jT9L2ZGQcJZwOKev8=
 github.com/go-ruby-net-http/net-http v0.0.0-20260630124155-c794366ce72f/go.mod h1:PiNQDuyrSPZX8OzApvgyn1fTjRNwx0KNO1vrzdAguEc=
+github.com/go-ruby-net-imap/net-imap v0.0.0-20260630193116-82cd428e7b0f h1:rnyq1kTbCxqBQ0UlhaF4I2g+9TnmBLuMFTw4brsInaE=
+github.com/go-ruby-net-imap/net-imap v0.0.0-20260630193116-82cd428e7b0f/go.mod h1:jKlWC6EDNkTFr5BDzA7+UAMFXsKLwIy5r9zKqxXSM+U=
+github.com/go-ruby-net-pop/net-pop v0.0.0-20260630142109-66d7036032f5 h1:vmwYSD3D+m8vNWaA+I+lD8Ufmnw+rDHbs4askNBcFZo=
+github.com/go-ruby-net-pop/net-pop v0.0.0-20260630142109-66d7036032f5/go.mod h1:9+NyzWDudIY8eetFY066OKgrU8bk7ZVqDRKAjFBIwng=
+github.com/go-ruby-net-sftp/net-sftp v0.0.0-20260630142744-9be6f27056d7 h1:5aKzjgwxqqMvHLyQOJrDO8GLJUdE1izGJTLDG+3+V5k=
+github.com/go-ruby-net-sftp/net-sftp v0.0.0-20260630142744-9be6f27056d7/go.mod h1:okvDFdQDwwx5ubNL6mmXTHGTutWhOTHSnUPq1JzhxoU=
+github.com/go-ruby-net-smtp/net-smtp v0.0.0-20260630142921-0151ad2e87f5 h1:5WuRAb8NO7UCHTVUel5LmZfI0A76obGtDOYAzlhrKmM=
+github.com/go-ruby-net-smtp/net-smtp v0.0.0-20260630142921-0151ad2e87f5/go.mod h1:+XJbVnPobgkWUscH8bDSw9F3jW6t3QY35DEAyE9qE9Q=
 github.com/go-ruby-nokogiri/nokogiri v0.0.0-20260702164556-6e939959240e h1:v8DyCc3Vp+REhN1uyQ4wN8CpJ6JMqWNOm9OESWFBtLU=
 github.com/go-ruby-nokogiri/nokogiri v0.0.0-20260702164556-6e939959240e/go.mod h1:WsLJ6/u8/nzHShZKChf20tHosn/nlVnOJiD/xEY6X8c=
 github.com/go-ruby-oauth2/oauth2 v0.0.0-20260702151234-88fab8d845a1 h1:iZFtIn5WHQRz/oa04qYAlLvTi0XDRP5dKPGpJTGRzKg=
@@ -456,6 +466,8 @@ github.com/go-ruby-warden/warden v0.0.0-20260706120446-d887742539ef h1:JLPi8PmkO
 github.com/go-ruby-warden/warden v0.0.0-20260706120446-d887742539ef/go.mod h1:oI3L9dywsrSXJqLDuJGIYuHUHRCxUS7BU8PBZGXpx4A=
 github.com/go-ruby-webauthn/webauthn v0.0.0-20260704120708-35595b0ac27b h1:ZwN0q9xq9HUGCskWGz8rmL+v6MaHy+AM99oictlPlBs=
 github.com/go-ruby-webauthn/webauthn v0.0.0-20260704120708-35595b0ac27b/go.mod h1:tLv8PWrPxrOQrJWMFTfRi6wfZpSjZtmfxHKgGwUriR8=
+github.com/go-ruby-webrick/webrick v0.0.0-20260630133907-a1380ee7733b h1:T7H6p2VhpU/05o/XSlsCT3YfMznMhcuShu8iDyDVeqU=
+github.com/go-ruby-webrick/webrick v0.0.0-20260630133907-a1380ee7733b/go.mod h1:0DF9Jl9o+cvEvPCzCJ95nHIlF7qz8yzuQIyfMm8FUlM=
 github.com/go-ruby-xslt/xslt v0.0.0-20260702171958-146eaf3f0176 h1:iHTCF/Eu0/lwOEank8pLKqoW5j9MI2ERXErrvqsZZ+4=
 github.com/go-ruby-xslt/xslt v0.0.0-20260702171958-146eaf3f0176/go.mod h1:1C3Bx0pQIsqLqC2SnqV7pJnGuLJsgYmar2NrD+CmVXw=
 github.com/go-ruby-yaml/yaml v0.0.0-20260629093916-8035038027bd h1:4HGjgCdTIuIEM+iZXJ9hJJzt0IBMtxPqdJq72mr0Y64=

internal/vm/builtins.go

@@ -425,6 +425,9 @@ func (vm *VM) bootstrap() {
 	vm.registerSocket()           // TCPSocket/TCPServer (net) + OpenSSL::SSL::SSLSocket (crypto/tls); after registerOpenSSL (upgrades its SSL shell)
 	vm.registerNetHTTP()          // net/http + net/https loadable shell; needs StandardError
 	vm.registerNetHTTPTransport() // real Net::HTTP over the socket transport; after registerNetHTTP + registerSocket
+	vm.registerNetPOP()           // Net::POP3/Net::POPMail (require "net/pop"), backed by go-ruby-net-pop codec; socket = injected IO seam; after registerNetHTTP (Net module) + registerSocket/registerOpenSSL
+	vm.registerNetSFTP()          // Net::SFTP client (require "net/sftp"), backed by go-ruby-net-sftp codec; SSH channel = injected IO seam; nests under Net, after registerNetHTTP
+	vm.registerNetFTP()           // real Net::FTP over the socket transport; after registerNetHTTP (Net module) + registerSocket/registerOpenSSL
 	vm.registerResolv()           // Resolv (real IPv4/IPv6 parse; DNS sockets stubbed); needs StandardError
 	vm.registerTimeout()          // Timeout module (loadable shell); needs RuntimeError
 	vm.registerDateErrors()       // Date::Error < ArgumentError (Date class itself registered early); needs ArgumentError
@@ -478,6 +481,8 @@ func (vm *VM) bootstrap() {
 	vm.registerSQLite3()          // SQLite3::Database/Statement (require "sqlite3"), backed by go-ruby-sqlite3 (modernc); needs StandardError for SQLite3::Exception
 	vm.registerRedis()            // Redis client (require "redis"), backed by go-ruby-redis RESP codec; socket = injected IO seam; needs StandardError for Redis::BaseError
 	vm.registerPG()               // PG::Connection/Result (require "pg"), backed by go-ruby-pg v3 protocol; socket = injected IO seam; needs StandardError for PG::Error
+	vm.registerNetIMAP()          // Net::IMAP (require "net/imap"), backed by go-ruby-net-imap builder+parser; socket = injected IO seam; after socket/openssl so a TCPSocket/SSLSocket can be the TLS seam
+	vm.registerNetSMTP()          // Net::SMTP (require "net/smtp"), backed by go-ruby-net-smtp codec over rbgo's real socket/TLS transport; after registerSocket/registerNetHTTP (Net module + transport)
 	vm.registerSidekiq()          // Sidekiq::Client/Job(Worker) + module (require "sidekiq"), backed by go-ruby-sidekiq over go-redis/v9; Redis client dialled from Sidekiq.redis/ENV; perform body is Ruby seam; needs StandardError for Sidekiq::Error
 	vm.registerResque()           // Resque module + Job/Worker/Failure (require "resque"), backed by go-ruby-resque over go-redis/v9; @queue resolver + self.perform are Ruby seams; needs StandardError for Resque::Error
 	vm.registerSequel()           // Sequel query builder + Database (require "sequel"), backed by go-ruby-sequel; executor seam wired to SQLite3::Database (real execution)
@@ -486,6 +491,7 @@ func (vm *VM) bootstrap() {
 	vm.registerRSpec()            // RSpec matcher + expect surface (require "rspec"), backed by go-ruby-rspec; needs Exception for ExpectationNotMetError
 	vm.registerRuboCop()          // RuboCop::Runner#inspect/autocorrect + Cop::Offense (require "rubocop"), backed by go-ruby-rubocop over go-ruby-parser; needs StandardError for RuboCop::Error
 	vm.registerRack()             // Rack::Request/Response/Utils (require "rack" / "rack/utils"), backed by go-ruby-rack; deterministic env/query/escape, no socket
+	vm.registerWEBrick()          // WEBrick::HTTPServer/HTTPRequest/HTTPResponse/HTTPServlet/HTTPStatus (require "webrick"), backed by go-ruby-webrick; deterministic parse/build/mount-dispatch, no socket; the mount_proc block / servlet do_* method is the rbgo seam run inline under the GVL; needs StandardError (WEBrick::HTTPStatus family)
 	vm.registerGrape()            // Grape::Router/Validator/Formatter (require "grape"), backed by go-ruby-grape; endpoint-block exec + Rack env are host seams; needs StandardError for Grape::Exceptions
 	vm.registerSinatra()          // Sinatra::Base class-DSL + #call Rack adapter (require "sinatra/base"), backed by go-ruby-sinatra over go-ruby-rack; route/filter block eval is the rbgo seam; needs Rack + StandardError (Sinatra::NotFound), so registered after registerRack
 	vm.registerRoda()             // Roda class routing-tree DSL (route do |r| … end) + #call Rack adapter (require "roda"), backed by go-ruby-roda over go-ruby-rack; the route/matcher block eval is the rbgo seam, the routing tree is the library; needs Rack + StandardError (Roda::RodaError)