Initial commit: Egregore brain service

AI logic with Claude API integration, tool execution, and system prompts.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

__init__.py

@@ -0,0 +1,21 @@
+"""
+Egregore Brain - AI reasoning and tool execution
+
+This module handles:
+- Claude API interactions
+- System prompt generation with dynamic context
+- Tool definition and execution
+- Conversation processing
+"""
+
+from .tools import TOOLS, execute_tool
+from .prompts import get_system_prompt, SYSTEM_PROMPT_BASE
+from .conversation import process_conversation
+
+__all__ = [
+    "TOOLS",
+    "execute_tool",
+    "get_system_prompt",
+    "SYSTEM_PROMPT_BASE",
+    "process_conversation",
+]