feat(sqlite): CI Tests for Alembic and SQLite (#3358)

Co-authored-by: Matt Zhou <mattzh1314@gmail.com>

alembic/versions/60ed28ee7138_add_project_id_to_step_model.py

@@ -11,6 +11,7 @@ from typing import Sequence, Union
 import sqlalchemy as sa
 
 from alembic import op
+from letta.settings import settings
 
 # revision identifiers, used by Alembic.
 revision: str = "60ed28ee7138"
@@ -20,6 +21,10 @@ depends_on: Union[str, Sequence[str], None] = None
 
 
 def upgrade() -> None:
+    # Skip this migration for SQLite
+    if not settings.letta_pg_uri_no_default:
+        return
+
     # ### commands auto generated by Alembic - please adjust! ###
     op.add_column("steps", sa.Column("project_id", sa.String(), nullable=True))
     op.execute(
@@ -36,6 +41,10 @@ def upgrade() -> None:
 
 
 def downgrade() -> None:
+    # Skip this migration for SQLite
+    if not settings.letta_pg_uri_no_default:
+        return
+
     # ### commands auto generated by Alembic - please adjust! ###
     op.drop_column("steps", "project_id")
     # ### end Alembic commands ###