fix: refactor db schema migrate handling

src/basic_memory/api/app.py

@@ -10,35 +10,13 @@ import basic_memory
 from basic_memory import db
 from basic_memory.config import config as app_config
 from basic_memory.api.routers import knowledge, search, memory, resource
-from alembic import command
-from alembic.config import Config
-
-from basic_memory.db import DatabaseType
-from basic_memory.repository.search_repository import SearchRepository
-
-
-async def run_migrations():  # pragma: no cover
-    """Run any pending alembic migrations."""
-    logger.info("Running database migrations...")
-    try:
-        config = Config("alembic.ini")
-        command.upgrade(config, "head")
-        logger.info("Migrations completed successfully")
-
-        _, session_maker = await db.get_or_create_db(
-            app_config.database_path, DatabaseType.FILESYSTEM
-        )
-        await SearchRepository(session_maker).init_search_index()
-    except Exception as e:
-        logger.error(f"Error running migrations: {e}")
-        raise
 
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):  # pragma: no cover
     """Lifecycle manager for the FastAPI app."""
     logger.info(f"Starting Basic Memory API {basic_memory.__version__}")
-    await run_migrations()
+    await db.run_migrations(app_config)
     yield
     logger.info("Shutting down Basic Memory API")
     await db.shutdown_db()