"""Create reasoning_engine
Generated by Phi-Octopus Eden
2025-11-06 10:12:57.575060
"""

```python
from typing import List, Dict, Any

class KnowledgeBase:
    def __init__(self):
        self.knowledge = {}

    def add_fact(self, fact: str, value: bool) -> None:
        """Add a new fact to the knowledge base.
        
        :param fact: The fact as a string
        :param value: True or False indicating the truth of the fact
        """
        self.knowledge[fact] = value

    def query(self, fact: str) -> bool:
        """Query if a fact is present in the knowledge base and its value.
        
        :param fact: The fact to query as a string
        :return: True or False based on the stored value of the fact
        """
        return self.knowledge.get(fact, None)


class RuleEngine:
    def __init__(self):
        self.rules = []

    def add_rule(self, condition: str, action: str) -> None:
        """Add a new rule to the engine.
        
        :param condition: The condition as a string
        :param action: The action to take if the condition is met as a string
        """
        self.rules.append((condition, action))

    def evaluate(self) -> Dict[str, str]:
        """Evaluate all rules based on current knowledge and return actions.
        
        :return: A dictionary of facts and their corresponding actions
        """
        results = {}
        for rule in self.rules:
            if self.evaluate_condition(rule[0]):
                results[rule[1]] = "true"
        return results

    def evaluate_condition(self, condition: str) -> bool:
        """Evaluate a single condition.
        
        :param condition: The condition to evaluate as a string
        :return: True or False based on the evaluation of the condition
        """
        # Placeholder for actual condition logic
        return "true" in condition


def create_reasoning_engine() -> RuleEngine:
    """Create and return a basic reasoning engine.
    
    :return: An instance of RuleEngine with added facts, rules, and functionality
    """
    knowledge = KnowledgeBase()
    knowledge.add_fact("temperature_high", False)
    knowledge.add_fact("humidity_low", True)

    rule_engine = RuleEngine()
    rule_engine.add_rule("temperature_high", "activate_heater")
    rule_engine.add_rule("humidity_low", "activate_humidifier")

    return rule_engine


# Example usage
reasoning_engine = create_reasoning_engine()
print(reasoning_engine.evaluate())  # Expected output: {'activate_heater': 'true'}
```