Added OpenRouter to provider list

surfsense_backend/alembic/versions/20_add_openrouter_to_litellmprovider_enum.py

@@ -0,0 +1,47 @@
+"""Add OPENROUTER to LiteLLMProvider enum
+
+Revision ID: 20
+Revises: 19
+"""
+
+from collections.abc import Sequence
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "20"
+down_revision: str | None = "19"
+branch_labels: str | Sequence[str] | None = None
+depends_on: str | Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    """Add OPENROUTER to LiteLLMProvider enum."""
+
+    # Add OPENROUTER to the enum if it doesn't already exist
+    op.execute(
+        """
+        DO $$
+        BEGIN
+            IF NOT EXISTS (
+                SELECT 1 FROM pg_enum
+                WHERE enumtypid = 'litellmprovider'::regtype
+                AND enumlabel = 'OPENROUTER'
+            ) THEN
+                ALTER TYPE litellmprovider ADD VALUE 'OPENROUTER';
+            END IF;
+        END$$;
+        """
+    )
+
+
+def downgrade() -> None:
+    """Remove OPENROUTER from LiteLLMProvider enum.
+
+    Note: PostgreSQL doesn't support removing enum values directly.
+    This would require recreating the enum type and updating all dependent objects.
+    For safety, this downgrade is a no-op.
+    """
+    # PostgreSQL doesn't support removing enum values directly
+    # This would require a complex migration recreating the enum
+    pass