env vars

tests/env.d.ts

@@ -0,0 +1,34 @@
+declare global {
+  namespace NodeJS {
+    interface ProcessEnv {
+      NODE_ENV?: 'development' | 'production' | 'test';
+
+      // CI providers / generic CI
+      CI?: string;
+      CONTINUOUS_INTEGRATION?: string;
+      GITHUB_ACTIONS?: string;
+      GITLAB_CI?: string;
+      CIRCLECI?: string;
+      TRAVIS?: string;
+      JENKINS_URL?: string;
+      BUILDKITE?: string;
+      TF_BUILD?: string;
+
+      // Playwright / smoke
+      DOCKER_SMOKE?: string;
+
+      // E2E toggles
+      HOSTED_REAL_E2E?: '0' | '1';
+      COMPANION_FIXTURE_HOSTED?: string;
+
+      // Electron (smoke harness)
+      ELECTRON_EXECUTABLE_PATH?: string;
+
+      // Headless heuristics
+      HEADLESS?: string;
+      DISPLAY?: string;
+    }
+  }
+}
+
+export {};