refactor:

- changed method get_agent_tools for only get_tools on agent interface
- changed OllamaModelManager to correc semantic OllamaService

test:
- added test for service initialization
- added tests to list tools and create tools into  PDF agent

pyproject.toml

@@ -0,0 +1,14 @@
+[project]
+name = "multiagents"
+version = "0.1.0"
+description = "Add your description here"
+readme = "README.md"
+requires-python = ">=3.13"
+dependencies = [
+    "lancedb>=0.21.1",
+    "langchain>=0.3.21",
+    "langchain-community>=0.3.20",
+    "pymupdf>=1.25.4",
+    "pypdf>=5.4.0",
+    "requests>=2.32.3",
+]