Update initial Alembic migration script for SQLite setup

migrations/versions/initial_migration.py

@@ -17,12 +17,28 @@ depends_on = None
 
 
 def upgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    pass
-    # ### end Alembic commands ###
+    # ### Initial database setup ###
+    # This migration is a placeholder to establish the initial database state.
+    # SQLite-specific configuration is included in env.py with render_as_batch=True
+    
+    # Create a version tracking table for Alembic
+    op.create_table(
+        'alembic_version',
+        sa.Column('version_num', sa.String(length=32), nullable=False),
+        sa.PrimaryKeyConstraint('version_num')
+    )
+    
+    # Insert the current version
+    op.bulk_insert(
+        sa.table('alembic_version', 
+                sa.column('version_num', sa.String(length=32))),
+        [{'version_num': revision}]
+    )
+    
+    # ### end commands ###
 
 
 def downgrade():
-    # ### commands auto generated by Alembic - please adjust! ###
-    pass
-    # ### end Alembic commands ###
+    # ### Drop everything created in this migration ###
+    op.drop_table('alembic_version')
+    # ### end commands ###