just why not

tools/ai-review/clients/providers/__init__.py

@@ -0,0 +1,27 @@
+"""LLM Providers Package
+
+This package contains additional LLM provider implementations
+beyond the core providers in llm_client.py.
+
+Providers:
+- AnthropicProvider: Direct Anthropic Claude API
+- AzureOpenAIProvider: Azure OpenAI Service with API key auth
+- AzureOpenAIWithAADProvider: Azure OpenAI with Azure AD auth
+- GeminiProvider: Google Gemini API (public)
+- VertexAIGeminiProvider: Google Vertex AI Gemini (enterprise GCP)
+"""
+
+from clients.providers.anthropic_provider import AnthropicProvider
+from clients.providers.azure_provider import (
+    AzureOpenAIProvider,
+    AzureOpenAIWithAADProvider,
+)
+from clients.providers.gemini_provider import GeminiProvider, VertexAIGeminiProvider
+
+__all__ = [
+    "AnthropicProvider",
+    "AzureOpenAIProvider",
+    "AzureOpenAIWithAADProvider",
+    "GeminiProvider",
+    "VertexAIGeminiProvider",
+]