diff --git a/agent/evolution/code_refactorer.py b/agent/evolution/code_refactorer.py
new file mode 100644
index 000000000..f36c09afe
--- /dev/null
+++ b/agent/evolution/code_refactorer.py
@@ -0,0 +1,60 @@
+"""Phase 9: Codebase-Wide Refactoring & Optimization.
+
+Performs a "Deep Audit" of the codebase to identify bottlenecks and vulnerabilities.
+"""
+
+import logging
+import json
+from typing import List, Dict, Any
+from agent.gemini_adapter import GeminiAdapter
+
+logger = logging.getLogger(__name__)
+
+class CodeRefactorer:
+    def __init__(self):
+        self.adapter = GeminiAdapter()
+
+    def audit_codebase(self, file_contents: Dict[str, str]) -> Dict[str, Any]:
+        """Performs a deep audit of the provided codebase files."""
+        logger.info(f"Auditing {len(file_contents)} files for refactoring and optimization.")
+        
+        # Combine file contents for context
+        context = "\n".join([f"--- {path} ---\n{content}" for path, content in file_contents.items()])
+        
+        prompt = f"""
+Codebase Context:
+{context}
+
+Please perform a 'Deep Audit' of this codebase.
+Identify:
+1. Performance bottlenecks (e.g., inefficient loops, redundant API calls).
+2. Security vulnerabilities (e.g., hardcoded keys, PII leaks, insecure defaults).
+3. Architectural debt (e.g., tight coupling, lack of modularity).
+
+Generate a set of 'Refactoring Patches' to address these issues.
+
+Format the output as JSON:
+{{
+  "audit_report": "...",
+  "vulnerabilities": [...],
+  "performance_issues": [...],
+  "patches": [
+    {{
+      "file": "...",
+      "description": "...",
+      "original_code": "...",
+      "replacement_code": "..."
+    }}
+  ]
+}}
+"""
+        result = self.adapter.generate(
+            model="gemini-3.1-pro-preview",
+            prompt=prompt,
+            system_instruction="You are Timmy's Code Refactorer. Your goal is to make the codebase as efficient, secure, and sovereign as possible.",
+            thinking=True,
+            response_mime_type="application/json"
+        )
+        
+        audit_data = json.loads(result["text"])
+        return audit_data