feat: major architectural refactor

- Refactor memory system (episodic/STM/LTM with components)
- Implement complete subtitle domain (scanner, matcher, placer)
- Add YAML workflow infrastructure
- Externalize knowledge base (patterns, release groups)
- Add comprehensive testing suite
- Create manual testing CLIs

tests/test_registry_edge_cases.py

@@ -258,7 +258,7 @@ class TestToolExecution:
     def test_tool_returns_dict(self, memory, real_folder):
         """Should return dict from tool execution."""
         tools = make_tools(settings)
-        memory.ltm.set_config("download_folder", str(real_folder["downloads"]))
+        memory.ltm.download_folder = str(real_folder["downloads"])
 
         result = tools["list_folder"].func(folder_type="download")
 
@@ -267,7 +267,7 @@ class TestToolExecution:
     def test_tool_returns_status(self, memory, real_folder):
         """Should return status in result."""
         tools = make_tools(settings)
-        memory.ltm.set_config("download_folder", str(real_folder["downloads"]))
+        memory.ltm.download_folder = str(real_folder["downloads"])
 
         result = tools["list_folder"].func(folder_type="download")
 
@@ -295,7 +295,7 @@ class TestToolExecution:
     def test_tool_handles_extra_args(self, memory, real_folder):
         """Should handle extra arguments."""
         tools = make_tools(settings)
-        memory.ltm.set_config("download_folder", str(real_folder["downloads"]))
+        memory.ltm.download_folder = str(real_folder["downloads"])
 
         # Extra args should raise TypeError
         with pytest.raises(TypeError):