Summary:
- The PR updates auto-reply message-tool availability and fallback policy, qa-channel group target support, qa-lab scenario coverage, generated config metadata, docs, and the changelog for group visible replies.
ClawSweeper fixups:
- No separate fixup commits were needed after automerge opt-in.
Validation:
- ClawSweeper review passed for head adbec93b8a.
- Required merge gates passed before the squash merge.
Prepared head SHA: adbec93b8a
Review: https://github.com/openclaw/openclaw/pull/75382#issuecomment-4357590733
Co-authored-by: Peter Steinberger <steipete@gmail.com>
