Merge branch 'codex/work-folders-staging-hardening-refresh' into codex/work-folders-remote-recovery-refresh

* codex/work-folders-staging-hardening-refresh:
  fix: reconcile Git environment keys and shared staging workflow
  test: await chat connection creation after agent selection

packages/paperclip-runner/runner/crates/runner-core/src/codex_provider.rs

@@ -4186,7 +4186,17 @@ done
     #[test]
     fn github_credentials_cross_only_the_bounded_provider_environment() {
         assert_eq!(GITHUB_CREDENTIAL_ENVIRONMENT_KEYS.len(), 95);
+        assert_eq!(
+            GITHUB_CREDENTIAL_ENVIRONMENT_KEYS
+                .iter()
+                .collect::<std::collections::BTreeSet<_>>()
+                .len(),
+            GITHUB_CREDENTIAL_ENVIRONMENT_KEYS.len(),
+            "provider environment keys must be unique",
+        );
         for key in [
+            "ZDOTDIR",
+            "BASH_ENV",
             "PAPERCLIP_RUNNER_NETWORK_ACCESS",
             "PAPERCLIP_RUNNER_NETWORK_ROOTS",
             "PAPERCLIP_GITHUB_AUTH_MODE",

packages/paperclip-runner/runner/crates/runner-core/src/process_supervisor.rs

@@ -41,8 +41,6 @@ pub(crate) const GITHUB_CREDENTIAL_ENVIRONMENT_KEYS: &[&str] = &[
     "GIT_SSH",
     "ZDOTDIR",
     "BASH_ENV",
-    "ZDOTDIR",
-    "BASH_ENV",
     "PAPERCLIP_GITHUB_BROKER_URL",
     "PAPERCLIP_GITHUB_BROKER_TOKEN",
     "PAPERCLIP_GITHUB_LAUNCHER_DIR",