Summary:
- The PR removes the auto-reply runtime warning for visible-reply defaults, adds doctor preview warnings and tests for message-tool visibility policy mismatches, and updates the group/channel docs and changelog wording.
ClawSweeper fixups:
- No separate fixup commits were needed after automerge opt-in.
Validation:
- ClawSweeper review passed for head 1f96b3b568.
- Required merge gates passed before the squash merge.
Prepared head SHA: 1f96b3b568
Review: https://github.com/openclaw/openclaw/pull/75367#issuecomment-4357475980
Co-authored-by: Peter Steinberger <steipete@gmail.com>