Research component integration, Copilotkit implementation, SEO copilotkit implementation, Wix SEO metadata complete, Wix SEO metadata review

backend/services/blog_writer/research/base_provider.py

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+"""
+Base Research Provider Interface
+
+Abstract base class for research provider implementations.
+Ensures consistency across different research providers (Google, Exa, etc.)
+"""
+
+from abc import ABC, abstractmethod
+from typing import Dict, Any
+
+
+class ResearchProvider(ABC):
+    """Abstract base class for research providers."""
+    
+    @abstractmethod
+    async def search(
+        self,
+        prompt: str,
+        topic: str,
+        industry: str,
+        target_audience: str,
+        config: Any,  # ResearchConfig
+        user_id: str
+    ) -> Dict[str, Any]:
+        """Execute research and return raw results."""
+        pass
+    
+    @abstractmethod
+    def get_provider_enum(self):
+        """Return APIProvider enum for subscription tracking."""
+        pass
+    
+    @abstractmethod
+    def estimate_tokens(self) -> int:
+        """Estimate token usage for pre-flight validation."""
+        pass
+