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/conftest.py

@@ -50,10 +50,10 @@ def memory(temp_dir):
 @pytest.fixture
 def memory_with_config(memory):
     """Memory with pre-configured folders."""
-    memory.ltm.set_config("download_folder", "/tmp/downloads")
-    memory.ltm.set_config("movie_folder", "/tmp/movies")
-    memory.ltm.set_config("tvshow_folder", "/tmp/tvshows")
-    memory.ltm.set_config("torrent_folder", "/tmp/torrents")
+    memory.ltm.download_folder = "/tmp/downloads"
+    memory.ltm.movie_folder = "/tmp/movies"
+    memory.ltm.tvshow_folder = "/tmp/tvshows"
+    memory.ltm.torrent_folder = "/tmp/torrents"
     return memory