Download ComfyUI 1.1.1

Summary
- bump package.json version from 1.1.0 to 1.1.1
- channel: stable (rc → GitHub pre-release, stable → Latest)
- commits since v1.1.0 were auto-grouped below
How merging this PR ships the build
1. Merge — Release From Version PR workflow tags v1.1.1 on the merge commit
2. Tag triggers Publish All / build-release, which creates the GitHub Release using this PR body as the release notes
3. ToDesktop picks up the new build and rolls it out
Polish the sections below before merge. The auto-fill is a starting point — rewrite for users, not for the changelog.
Features
- let the PostHog payload word the activation notice (#1552)
- tell the user once when a beta feature turns on (#1551)
- let ops flags target Comfy staff, which the machine hash cannot express (#1550)
- compare Assets boot performance by cohort (#1524)
- make Datadog the usable exception sink (#1541)
- bridge hosted frontend errors (#1485)
Fixes
- place the notice card from main's geometry, not the page's width (#1565)
- flush args telemetry on unmount, and tell a timed-out lock probe from an unlocked file (#1562)
- default to compatible public builds (#1558)
- unify dashboard workspace selection and restoration (#1555)
- Preserve workspace context when returning to dashboard (#1517)
- launch a build without ComfyUI-Manager when its author turned it off (#1544)
- restore revert must not uninstall pre-existing packages (#1547)
- parse uv pip freeze without ANSI colour (#1514) (#1546)