Session aware stores (#1235)

* session aware process manager via store creator

* remove unused clear_session_id

* restore original scopes

* stateless test helpers

* more updates

* more updates

* more updates

* more updates

---------

Co-authored-by: Claude Fable 5.1 <noreply@anthropic.com>

tests/test_process_manager.py

@@ -1,4 +1,43 @@
-from facefusion.process_manager import end, is_pending, is_processing, is_stopping, set_process_state, start, stop
+import pytest
+
+from facefusion.process_manager import clear_process_state, end, get_process_state, init_process_state, is_pending, is_processing, is_stopping, set_process_state, start, stop
+from facefusion.session_context import set_session_id
+
+
+@pytest.fixture(scope = 'function', autouse = True)
+def before_each() -> None:
+	set_session_id('session-a')
+	clear_process_state()
+	set_session_id('session-b')
+	clear_process_state()
+	set_session_id('session-a')
+
+
+def test_init_process_state() -> None:
+	assert get_process_state() is None
+
+	init_process_state()
+
+	assert get_process_state() == 'pending'
+
+
+def test_get_process_state() -> None:
+	set_process_state('processing')
+	set_session_id('session-b')
+	set_process_state('stopping')
+
+	assert get_process_state() == 'stopping'
+
+	set_session_id('session-a')
+
+	assert get_process_state() == 'processing'
+
+
+def test_clear_process_state() -> None:
+	set_process_state('processing')
+	clear_process_state()
+
+	assert get_process_state() is None
 
 
 def test_start() -> None: