"""
Research module for AI Blog Writer.

This module handles all research-related functionality including:
- Exa neural search integration (primary provider for testing)
- Keyword analysis and competitor research
- Content angle discovery
- Research caching and optimization

Note: Currently Exa-only for testing. Google Search grounding code preserved for future use.
"""

from .research_service import ResearchService
from .keyword_analyzer import KeywordAnalyzer
from .competitor_analyzer import CompetitorAnalyzer
from .content_angle_generator import ContentAngleGenerator
from .data_filter import ResearchDataFilter
from .base_provider import ResearchProvider as BaseResearchProvider
from .google_provider import GoogleResearchProvider
from .exa_provider import ExaResearchProvider
from .tavily_provider import TavilyResearchProvider

__all__ = [
    'ResearchService',
    'KeywordAnalyzer', 
    'CompetitorAnalyzer',
    'ContentAngleGenerator',
    'ResearchDataFilter',
    'BaseResearchProvider',
    'GoogleResearchProvider',
    'ExaResearchProvider',
    'TavilyResearchProvider',
]