chore(core): make ty the default typechecker (#736)

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

src/basic_memory/config.py

@@ -8,7 +8,7 @@ from dataclasses import dataclass
 from datetime import datetime
 from enum import Enum
 from pathlib import Path
-from typing import Any, Dict, Literal, Optional, List, Tuple
+from typing import TYPE_CHECKING, Any, Dict, Literal, Optional, List, Tuple
 
 from loguru import logger
 from pydantic import AliasChoices, BaseModel, Field, model_validator
@@ -122,6 +122,11 @@ class ProjectEntry(BaseModel):
 class BasicMemoryConfig(BaseSettings):
     """Pydantic model for Basic Memory global configuration."""
 
+    if TYPE_CHECKING:
+        # Pydantic accepts raw constructor data and validates/coerces it at runtime.
+        # Model attributes remain strongly typed after initialization.
+        def __init__(self, **data: Any) -> None: ...
+
     env: Environment = Field(default="dev", description="Environment name")
 
     projects: Dict[str, ProjectEntry] = Field(