- deadline: _result()/_abandon() replace 7 BoundedResult constructions and 2
cancel+callback sites; timers handled as a list; dead raise_if_timed_out removed.
- file_safety: retired classify_cross_profile_target (0 refs; get_cross_profile_warning
stub kept for external callers), _home_and_resolved/_mirror_warning shared by
the sandbox/container mirror guards; _find_sandbox_mirror_segments inlined.
- estop: _hermes_home/_canonical_root now the file_safety helpers;
_reset_log_state_for_tests inlined into its only test.
- subagent_lifecycle: _validate_request driven by _UNSUPPORTED_REQUEST_FIELDS table.
- turn_liveness: dead start()/_abort_message removed, _emit_warning shared.
- process_bootstrap: _enable_happy_eyeballs reused by the client variant.
- Comment/docstring compaction across the remaining leaf modules.
