chore: Make semantic deps default, auto-backfill embeddings, and default search to semantic (#586)

Signed-off-by: phernandez <paul@basicmachines.co>

src/basic_memory/repository/fastembed_provider.py

@@ -48,7 +48,8 @@ class FastEmbedEmbeddingProvider(EmbeddingProvider):
                 ) as exc:  # pragma: no cover - exercised via tests with monkeypatch
                     raise SemanticDependenciesMissingError(
                         "fastembed package is missing. "
-                        "Install semantic extras: pip install 'basic-memory[semantic]'"
+                        "Install/update basic-memory to include semantic dependencies: "
+                        "pip install -U basic-memory"
                     ) from exc
                 resolved_model_name = self._MODEL_ALIASES.get(self.model_name, self.model_name)
                 return TextEmbedding(model_name=resolved_model_name)

src/basic_memory/repository/openai_provider.py

@@ -45,7 +45,8 @@ class OpenAIEmbeddingProvider(EmbeddingProvider):
             except ImportError as exc:  # pragma: no cover - covered via monkeypatch tests
                 raise SemanticDependenciesMissingError(
                     "OpenAI dependency is missing. "
-                    "Install semantic extras: pip install 'basic-memory[semantic]'"
+                    "Install/update basic-memory to include semantic dependencies: "
+                    "pip install -U basic-memory"
                 ) from exc
 
             api_key = self._api_key or os.getenv("OPENAI_API_KEY")

src/basic_memory/repository/search_repository_base.py

@@ -355,7 +355,8 @@ class SearchRepositoryBase(ABC):
         if self._embedding_provider is None:
             raise SemanticDependenciesMissingError(
                 "No embedding provider configured. "
-                "Install semantic extras: pip install 'basic-memory[semantic]' "
+                "Install/update basic-memory to include semantic dependencies "
+                "(pip install -U basic-memory) "
                 "and set semantic_search_enabled=true."
             )
 

src/basic_memory/repository/sqlite_search_repository.py

@@ -347,7 +347,8 @@ class SQLiteSearchRepository(SearchRepositoryBase):
         except ImportError as exc:
             raise SemanticDependenciesMissingError(
                 "sqlite-vec package is missing. "
-                "Install semantic extras: pip install 'basic-memory[semantic]'"
+                "Install/update basic-memory to include semantic dependencies: "
+                "pip install -U basic-memory"
             ) from exc
 
         async with self._sqlite_vec_lock: