Python: Agent and Function middleware (#770)

* Initial middleware implementation

* Small fixes

* Small updates

* Small updates in samples

* Moved middleware functionality to decorator

* Removed obsolete file

* Renamed AgentInvocationContext to AzureRunContext

* Added unit tests

* Small settings update for test discovery in VS Code

* Added unit tests

* Reverted changes in environment settings

* Added context result override

* Renaming and updates to logic

* Added more samples

* Updated DEV_SETUP.md

* Addressed PR feedback

* Addressed PR feedback

* Removed unused parameter

* Small fix

* Small fix in telemetry logic

* Revert "Small fix in telemetry logic"

This reverts commit 6f82660d2d.

* Small fix

---------

Co-authored-by: Chris <66376200+crickman@users.noreply.github.com>

python/packages/main/pyproject.toml

@@ -72,7 +72,15 @@ environments = [
 fallback-version = "0.0.0"
 
 [tool.pytest.ini_options]
-testpaths = 'tests'
+testpaths = [
+    'tests', 
+    'packages/main/tests',
+    'packages/azure/tests', 
+    'packages/foundry/tests',
+    'packages/copilotstudio/tests',
+    'packages/mem0/tests',
+    'packages/runtime/tests'
+]
 addopts = "-ra -q -r fEX"
 asyncio_mode = "auto"
 asyncio_default_fixture_loop_scope = "function"