bump version to 0.6.6

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

Author: HumanBean17

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "java-codebase-rag"
-version = "0.6.5"
+version = "0.6.6"
 description = "MCP server for semantic + structural search over Java codebases"
 readme = "README.md"
 requires-python = ">=3.11"