Python: Add tau2 benchmark integration with comprehensive testing and documentation (#817)

* first commit to tau2-bench

* tau2-bench agent

* tau2 agent

* add condition

* checkpoint

* bug fix

* add tests

* fix tests

* add comments

* add comments

* minor fix

* fix

* batch test script

* .

* init.bak -> init.py

* fix mypy

* update readme

* fix env

* remove temp files

* setup tests

* fix gaia tasks

* fix tau2 tests

* fix coverage

* fix default version

* update cookiecutter template

---------

Co-authored-by: Eric Zhu <ekzhu@users.noreply.github.com>

python/packages/lab/lightning/agent_framework_lab_lightning/__init__.py

@@ -4,6 +4,13 @@
 RL Module for Microsoft Agent Framework
 """
 
+import importlib.metadata
+
+try:
+    __version__ = importlib.metadata.version(__name__)
+except importlib.metadata.PackageNotFoundError:
+    __version__ = "0.0.0"  # Fallback for development mode
+
 # Import your main exports here
 # from .main_module import MainClass, main_function
 
@@ -12,5 +19,3 @@ __all__ = [
     # "MainClass",
     # "main_function",
 ]
-
-__version__ = "0.1.0b1"