Add benchmark harness: tasks.py - Standard NLP task definitions

Add benchmark harness: memory_tasks.py - Passkey retrieval and multi-hop memory

Add benchmark harness: __init__.py

Add benchmark harness: scoring.py

Add cortex/adaptive_depth.py

Add cortex/steering_vector.py

Add test suite

Add cortex/memory_bank.py

Add cortex/hallucination_gate.py

Add cortex/pause_and_think.py

Add cortex/backtrack_head.py

Add cortex/__init__.py

Add cortex/core.py — CortexModule, CortexSurgeon, CortexConfig

Add comprehensive README

initial commit