feat: add thread_id column to Podcast model

surfsense_backend/alembic/versions/80_add_thread_id_to_podcasts.py

@@ -0,0 +1,40 @@
+"""Add thread_id to podcasts
+
+Revision ID: 80
+Revises: 79
+Create Date: 2026-01-23
+
+"""
+
+from collections.abc import Sequence
+
+from alembic import op
+
+revision: str = "80"
+down_revision: str | None = "79"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    """Add thread_id column to podcasts."""
+    op.execute(
+        """
+        ALTER TABLE podcasts
+        ADD COLUMN IF NOT EXISTS thread_id INTEGER
+        REFERENCES new_chat_threads(id) ON DELETE SET NULL;
+        """
+    )
+
+    op.execute(
+        """
+        CREATE INDEX IF NOT EXISTS ix_podcasts_thread_id
+        ON podcasts(thread_id);
+        """
+    )
+
+
+def downgrade() -> None:
+    """Remove thread_id column from podcasts."""
+    op.execute("DROP INDEX IF EXISTS ix_podcasts_thread_id")
+    op.execute("ALTER TABLE podcasts DROP COLUMN IF EXISTS thread_id")

surfsense_backend/app/db.py

@@ -693,6 +693,14 @@ class Podcast(BaseModel, TimestampMixin):
     )
     search_space = relationship("SearchSpace", back_populates="podcasts")
 
+    thread_id = Column(
+        Integer,
+        ForeignKey("new_chat_threads.id", ondelete="SET NULL"),
+        nullable=True,
+        index=True,
+    )
+    thread = relationship("NewChatThread")
+
 
 class SearchSpace(BaseModel, TimestampMixin):
     __tablename__ = "searchspaces"