Method validate

control_layer.py:254–283

(self, user_input: str)

        ]

    def validate(self, user_input: str) -> ValidationResult:
        if not user_input or not user_input.strip():
            return ValidationResult(
                passed=False,
                failure_mode=FailureMode.CONSTRAINT_VIOLATION,
                message="Input is empty.",
                score=0.0,
            )

        if len(user_input) > self.max_input_chars:
            return ValidationResult(
                passed=False,
                failure_mode=FailureMode.TOKEN_OVERFLOW,
                message=(
                    f"Input exceeds {self.max_input_chars} chars "
                    f"({len(user_input)} received)."
                ),
                score=0.0,
            )

        for pattern in self._patterns:
            if pattern.search(user_input):
                return ValidationResult(
                    passed=False,
                    failure_mode=FailureMode.PROMPT_INJECTION,
                    message=f"Injection pattern detected: '{pattern.pattern[:60]}'",
                    score=0.0,
                )

        return ValidationResult(passed=True, score=1.0)

    def sanitize(self, user_input: str) -> str:
        text = user_input.strip()