feat: add resource library and real image workflow

alembic/versions/20260328_0004_optional_pose_id.py

@@ -0,0 +1,25 @@
+"""Make order pose_id optional for MVP.
+
+Revision ID: 20260328_0004
+Revises: 20260328_0003
+Create Date: 2026-03-28 11:08:00.000000
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "20260328_0004"
+down_revision = "20260328_0003"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    with op.batch_alter_table("orders") as batch_op:
+        batch_op.alter_column("pose_id", existing_type=sa.Integer(), nullable=True)
+
+
+def downgrade() -> None:
+    with op.batch_alter_table("orders") as batch_op:
+        batch_op.alter_column("pose_id", existing_type=sa.Integer(), nullable=False)