Synced from monorepo

Synced from monorepo

Changes:
- Workspace task snapshots only list incomplete backgrounded tasks
- Quiet auth, LSP, and config warnings in the shell
- Fix observability attributes for warm store errors, restore setup, remote tools, and preview denials
- Fail closed when soak metrics are missing
- Run plan-mode exit last in mixed tool batches
- Allow /loop to store prompts that can terminate the loop
- Make subagent maximum nesting depth configurable
- Security: apply sandbox profile to the leader process that executes tools

Source-Revision: 1adcd1f477870e4a97bacbd6be78c8a3bfbac46d

Cargo.lock

@@ -13796,6 +13796,7 @@ dependencies = [
  "obfstr",
  "parking_lot",
  "portable-pty",
+ "pretty_assertions",
  "process-wrap",
  "prod-mc-cli-chat-proxy-types",
  "prost",
@@ -14046,6 +14047,7 @@ dependencies = [
  "command-fds",
  "crc32fast",
  "derive_more 2.1.1",
+ "dhat",
  "dirs 5.0.1",
  "dunce",
  "educe",
@@ -14064,6 +14066,7 @@ dependencies = [
  "nix 0.30.1",
  "parking_lot",
  "pdf_oxide",
+ "pretty_assertions",
  "pulldown-cmark",
  "quick-xml 0.38.3",
  "regex",
@@ -14098,6 +14101,7 @@ dependencies = [
  "xai-grok-config",
  "xai-grok-env",
  "xai-grok-sandbox",
+ "xai-grok-test-support",
  "xai-grok-tools-api",
  "xai-grok-version",
  "xai-grok-workspace-types",