feat: add clinical sleep domain profile

[2023Anita]

Summary

• Add a clinical_sleep domain profile for clinical sleep and perioperative monitoring research
• Route specific topics such as sleep apnea, PSG/HSAT, respiratory depression, sedation monitoring, airway management, and anesthesia monitoring to the new profile
• Add regression coverage so general EEG/fMRI neuroscience topics still route to neuroscience_imaging

Motivation

AutoResearchClaw already has domain profiles for ML, HEP, biology, neuroscience, robotics, and security. Clinical sleep / perioperative monitoring is a distinct research setting: it often compares models or rules against clinician-scored PSG/HSAT epochs, de-identified physiologic signals, synthetic cohorts, and safety-focused metrics.

From a clinical/anesthesia perspective, topics around sleep apnea, sedation-related respiratory depression, and airway monitoring need different guidance from generic neuroscience or generic computational research. This profile adds that guidance without introducing a new runtime dependency or execution backend.

Verification

• git diff --check
• /tmp/arc-pr-venv/bin/python -m pytest tests/test_domain_detector.py -q

Result: 41 passed

Risk / Compatibility

Low. The new keyword rules are intentionally specific, and the PR includes a regression test that keeps general EEG functional-connectivity topics on neuroscience_imaging. The new profile maps to the existing generic sandbox.