Files
Zakk 833af7dc74 refactor: use what the dependencies already provide
A read of the tree for home-grown code that a dependency or the platform
covers. Each item names what replaces it.

- IPv4 CIDR membership was a binary-string trie (infra/dataStructure/trie)
  fed with CIDRs rendered as bit strings; net.IPNet.Contains, which the
  same file already used for IPv6, does it. The trie package is gone.
- The response replay cache was an LRU with its own linked list, indexes
  and timeout strategy (infra/dataStructure/lru), of which one fixed-size
  instance existed; hashicorp/golang-lru/v2, already in go.mod, is that
  cache, typed. go mod tidy also dropped go-nanoid, which nothing imported.
- The HTTP client for subscription updates through the local proxy carried
  a CONNECT dialer of its own (pkg/util/proxyWithHttp); http.Transport's
  Proxy handles socks5:// and http:// URLs, resolves hostnames on the
  SOCKS proxy and uses CONNECT for https. Verified on the VM: a
  subscription update succeeds in both "pac" and "proxy" modes.
- core/dns/qtype.go listed nine type names in two switches before falling
  back to miekg/dns tables that contain the same names; dns.Type.String
  and dns.StringToType are the tables.
- The GUI tracked prefers-color-scheme with its own media query and
  toggled a theme-dark class nothing reads any more; Vuetify's "system"
  theme follows the OS itself. Verified in headless Chrome: auto follows
  the OS in both directions, an explicit choice overrides it.
- The AUR packages carried .INSTALL hooks whose only content was a
  coloured "Completed!" banner, duplicated in the deb/rpm after-install
  scripts; pacman and apt report that themselves. The hooks are gone, the
  release workflow stops copying them, and after_install/after_upgrade
  keep only daemon-reload and the restart.
- The tap release job downloaded eight artifacts in eight steps;
  actions/download-artifact takes a pattern with merge-multiple.
2026-09-20 16:40:34 +10:00
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