feat: add executor-backed SQLite path resolver helper

custom_components/nestquest/store.py

@@ -0,0 +1,20 @@
+"""SQLite storage path resolution for the NestQuest integration."""
+from __future__ import annotations
+
+from pathlib import Path
+
+from homeassistant.core import HomeAssistant
+
+from .const import SQLITE_DB_FILENAME
+
+
+def _ensure_dir(path: Path) -> None:
+    """Create the given directory and any missing parents."""
+    path.mkdir(parents=True, exist_ok=True)
+
+
+async def async_get_db_path(hass: HomeAssistant) -> Path:
+    """Return the absolute path to the NestQuest SQLite database file."""
+    db_path = Path(hass.config.path(SQLITE_DB_FILENAME))
+    await hass.async_add_executor_job(_ensure_dir, db_path.parent)
+    return db_path