stop_array can cause data loss for running containers/VMs that depend on
array shares — requires confirm=True like other destructive mutations.
- Add stop_array to DESTRUCTIVE_ACTIONS and desc_map in array.py
- Update safety audit KNOWN_DESTRUCTIVE[array] to include stop_array
- Add stop_array negative/positive tests (test_array.py, safety tests)
- Add test_snapshot_wraps_bare_exception to test_live.py (bare Exception
from subscribe_once is wrapped by tool_error_handler into ToolError)
748 tests passing
Creates unraid_mcp/tools/live.py with SNAPSHOT_ACTIONS (9 one-shot reads)
and COLLECT_ACTIONS (2 streaming collectors), plus tests/test_live.py
with 6 passing tests. Registers register_live_tool in server.py, bringing
the total to 12 tools.
