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_agent_edge_cases.py

@@ -55,7 +55,7 @@ class TestExecuteToolCallEdgeCases:
     def test_tool_with_extra_args(self, memory, mock_llm, real_folder):
         """Should handle extra arguments gracefully."""
         agent = Agent(settings=settings, llm=mock_llm)
-        memory.ltm.set_config("download_folder", str(real_folder["downloads"]))
+        memory.ltm.download_folder = str(real_folder["downloads"])
 
         tool_call = {
             "id": "call_123",
@@ -244,7 +244,7 @@ class TestAgentConcurrencyEdgeCases:
 
     def test_tool_modifies_memory_during_step(self, memory, mock_llm, real_folder):
         """Should handle memory modifications during step."""
-        memory.ltm.set_config("download_folder", str(real_folder["downloads"]))
+        memory.ltm.download_folder = str(real_folder["downloads"])
 
         call_count = [0]
 
@@ -272,7 +272,7 @@ class TestAgentConcurrencyEdgeCases:
         agent.step("Set movie folder")
 
         mem = get_memory()
-        assert mem.ltm.get_config("movie_folder") == str(real_folder["movies"])
+        assert mem.ltm.movie_folder == str(real_folder["movies"])
 
 
 class TestAgentErrorRecovery: