Synced from monorepo

Changes:
- grok-shell: request workspaces:read/write OAuth2 scopes
- security: fix SSRF bypass via HTTP redirect in hook runner
- fix(grok-build): enterprise STT WSS URL + API-key voice bearer
- Harden identity-change purge and sync-marker invariants
- sandbox + workspace-server: delete the legacy ready-file arm
- Show billing URL when browser cannot open
- fix(pager): show folder-trust UI in minimal mode
- fix(pager): drain task_backgrounded before no-wait headless exit
- grok-agent-sdk: stop SDK-spawned agents from staging self-updates they can never adopt
- Split settings_modal into directory module
- Delegate VS Code SSH file links
- grok-shell: release the workspace session binding when a session is removed
- keep skills reachable when their name collides with a client builtin
- Preserve semantic link targets

crates/codegen/xai-grok-env/Cargo.toml

@@ -6,8 +6,10 @@ edition.workspace = true
 description = "Backend environment presets for the Grok CLI crate family: endpoint URL defaults and env-var test support."
 
 [features]
-# single shared rlib per crate, so downstream Bazel test targets need the
-default-bazel = []
+# Exposes `EnvVarGuard` (and its process-wide env lock) to downstream
+# crates' test targets.
+test-support = []
+default-bazel = ["test-support"]
 
 [dependencies]
 tracing = { workspace = true }