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Technical Implementation:

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Technical Implementation:

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Technical Implementation: ```python
class AdvancedInputValidator:
def init(self):
self.prompt_injection_detector = PromptInjectionClassifier()
self.semantic_analyzer = SemanticThreatAnalyzer()
self.context_validator = ContextIntegrityChecker()

def validate_input(self, user_input: str, context: Context) -> ValidationResult:

Multi-stage validation process

```text
    injection_risk = self.prompt_injection_detector.analyze(user_input)
    semantic_threats = self.semantic_analyzer.check_threats(user_input, context)
    context_integrity = self.context_validator.verify_integrity(context)

return ValidationResult(
    is_safe=all([
        injection_risk.score < 0.3,
        len(semantic_threats) == 0,
        context_integrity.is_valid
    ]),
    risk_factors=[injection_risk, semantic_threats, context_integrity]
)

• Isolated context storage with integrity validation
• Regular context consistency auditing
• Temporal context analysis for anomaly detection
• Cross-session context contamination prevention