Building, CLI tool & Embedding Server Fixed (#5)

* chore: shorter build time

* chore: update faiss

* fix: no longger do embedding server reuse

* fix: do not reuse emb_server and close it properly

* feat: cli tool

* feat: cli more args

* fix: same embedding logic

packages/leann-core/src/leann/registry.py

@@ -7,30 +7,37 @@ import importlib.metadata
 if TYPE_CHECKING:
     from leann.interface import LeannBackendFactoryInterface
 
-BACKEND_REGISTRY: Dict[str, 'LeannBackendFactoryInterface'] = {}
+BACKEND_REGISTRY: Dict[str, "LeannBackendFactoryInterface"] = {}
+
 
 def register_backend(name: str):
     """A decorator to register a new backend class."""
+
     def decorator(cls):
         print(f"INFO: Registering backend '{name}'")
         BACKEND_REGISTRY[name] = cls
         return cls
+
     return decorator
 
+
 def autodiscover_backends():
     """Automatically discovers and imports all 'leann-backend-*' packages."""
-    print("INFO: Starting backend auto-discovery...")
+    # print("INFO: Starting backend auto-discovery...")
     discovered_backends = []
     for dist in importlib.metadata.distributions():
-        dist_name = dist.metadata['name']
-        if dist_name.startswith('leann-backend-'):
-            backend_module_name = dist_name.replace('-', '_')
+        dist_name = dist.metadata["name"]
+        if dist_name.startswith("leann-backend-"):
+            backend_module_name = dist_name.replace("-", "_")
             discovered_backends.append(backend_module_name)
-            
-    for backend_module_name in sorted(discovered_backends): # sort for deterministic loading
+
+    for backend_module_name in sorted(
+        discovered_backends
+    ):  # sort for deterministic loading
         try:
             importlib.import_module(backend_module_name)
             # Registration message is printed by the decorator
         except ImportError as e:
-            print(f"WARN: Could not import backend module '{backend_module_name}': {e}")
-    print("INFO: Backend auto-discovery finished.")
+            # print(f"WARN: Could not import backend module '{backend_module_name}': {e}")
+            pass
+    # print("INFO: Backend auto-discovery finished.")