"""
Context expansion utilities.
"""

from typing import Any
from dataclasses import dataclass


@dataclass
class ContextExpansion:
    """Represents a context expansion result."""

    original_context: dict[str, Any]
    expanded_context: dict[str, Any]
    confidence: float
    reasoning: str


@dataclass
class ContextValidation:
    """Represents a context validation result."""

    is_valid: bool
    issues: list[str]
    suggestions: list[str]
    confidence: float


class ContextExpander:
    """Expand context with related information."""

    def __init__(self, config: dict[str, Any] | None = None):
        """Initialize the context expander."""
        self.config = config or {}

    def expand(self, context: dict[str, Any], knowledge_base: list[Any]) -> ContextExpansion:
        """Expand context with related knowledge."""
        # Placeholder implementation
        return ContextExpansion(original_context=context, expanded_context=context.copy(), confidence=0.8, reasoning="Basic expansion")

    def validate(self, context: dict[str, Any]) -> ContextValidation:
        """Validate context completeness."""
        # Placeholder implementation
        return ContextValidation(is_valid=True, issues=[], suggestions=[], confidence=0.9)
