feat: Add Extraction model and seed main playlist functionality

app/core/seeds.py

@@ -5,6 +5,7 @@ from sqlmodel.ext.asyncio.session import AsyncSession
 
 from app.core.logging import get_logger
 from app.models.plan import Plan
+from app.models.playlist import Playlist
 
 logger = get_logger(__name__)
 
@@ -52,12 +53,37 @@ async def seed_plans(session: AsyncSession) -> None:
     logger.info("Successfully seeded %d plans", len(initial_plans))
 
 
+async def seed_main_playlist(session: AsyncSession) -> None:
+    """Seed the main playlist with initial data."""
+    logger.info("Seeding main playlist data")
+
+    # Check if the main playlist already exists
+    existing_playlist = await session.exec(select(Playlist).where(Playlist.is_main))
+    if existing_playlist.first():
+        logger.info("Main playlist already exists, skipping seeding")
+        return
+
+    # Create the main playlist
+    main_playlist = Playlist(
+        name="All",
+        description="The default main playlist with all the tracks",
+        is_main=True,
+        is_deletable=False,
+        is_current=True,
+    )
+    session.add(main_playlist)
+
+    await session.commit()
+    logger.info("Successfully seeded main playlist")
+
+
 async def seed_all_data(session: AsyncSession) -> None:
     """Seed all initial data."""
     logger.info("Starting data seeding")
 
     try:
         await seed_plans(session)
+        await seed_main_playlist(session)
         logger.info("Data seeding completed successfully")
     except Exception:
         logger.exception("Failed to seed data")