feat: ShieldX v0.5.0 — full defense evolution + pentest hardening
4-phase defense evolution (Bio-Immune, Adversarial, Ensemble, ATLAS)
with ~200 new detection rules across 20 languages.
TPR 32.9% → 70.8%, FPR 12.2% → 0.0%
New modules: DefenseEnsemble, AtlasTechniqueMapper, EvolutionEngine,
ImmuneMemory, FeverResponse, MELONGuard, AdversarialTrainer,
DecompositionDetector, IndirectInjectionDetector, OutputPayloadGuard,
ToolCallSafetyGuard, AuthContextGuard, ResourceExhaustionDetector,
TokenizerDeobfuscation, Binary/Hex decoder, OverDefenseCalibrator
ca02998a28