feat(cli): fase 8.1/8.6/8.14 — spinner, open, clipboard e environment helpers

- spinner.mjs: withSpinner/shouldUseSpinner com suporte a quiet/output/CI/NO_COLOR
- open.mjs: comando `open` com 16 recursos, respeita ambientes restritos
- environment.mjs: detectRestrictedEnvironment/getEnvBanner (codespaces/wsl/gitpod/replit/ci)
- clipboard.mjs: copyToClipboard/isClipboardSupported (pbcopy/clip/xclip/xsel/wl-copy)
- check-env-doc-sync: vars de plataforma/OS adicionadas ao IGNORE_FROM_CODE

scripts/check/check-env-doc-sync.mjs

@@ -63,6 +63,16 @@ const IGNORE_FROM_CODE = new Set([
   // CI providers (set by the runner).
   "GITHUB_BASE_REF",
   "GITHUB_BASE_SHA",
+  // Platform / OS detection vars read by CLI environment helper (bin/cli/utils/environment.mjs).
+  // These are external signals set by the host OS or cloud provider — not OmniRoute config.
+  "CODESPACES",
+  "GITHUB_CODESPACES_PORT_FORWARDING_DOMAIN",
+  "GITPOD_WORKSPACE_ID",
+  "NO_COLOR",
+  "REPL_ID",
+  "REPL_SLUG",
+  "WSL_DISTRO_NAME",
+  "WSL_INTEROP",
   // Aliases for documented vars handled via fallback ordering.
   "API_KEY",
   "APP_URL",