feat: add resource library and real image workflow

alembic/versions/20260328_0003_resource_library.py

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+"""resource library schema
+
+Revision ID: 20260328_0003
+Revises: 20260327_0002
+Create Date: 2026-03-28 10:20:00.000000
+"""
+
+from collections.abc import Sequence
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision: str = "20260328_0003"
+down_revision: str | None = "20260327_0002"
+branch_labels: Sequence[str] | None = None
+depends_on: Sequence[str] | None = None
+
+
+def upgrade() -> None:
+    """Create the resource-library tables."""
+
+    op.create_table(
+        "library_resources",
+        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
+        sa.Column(
+            "resource_type",
+            sa.Enum("model", "scene", "garment", name="libraryresourcetype", native_enum=False),
+            nullable=False,
+        ),
+        sa.Column("name", sa.String(length=255), nullable=False),
+        sa.Column("description", sa.Text(), nullable=True),
+        sa.Column("tags", sa.JSON(), nullable=False),
+        sa.Column(
+            "status",
+            sa.Enum("active", "archived", name="libraryresourcestatus", native_enum=False),
+            nullable=False,
+        ),
+        sa.Column("gender", sa.String(length=32), nullable=True),
+        sa.Column("age_group", sa.String(length=32), nullable=True),
+        sa.Column("pose_id", sa.Integer(), nullable=True),
+        sa.Column("environment", sa.String(length=32), nullable=True),
+        sa.Column("category", sa.String(length=128), nullable=True),
+        sa.Column("cover_file_id", sa.Integer(), nullable=True),
+        sa.Column("original_file_id", sa.Integer(), nullable=True),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
+    )
+    op.create_index("ix_library_resources_resource_type", "library_resources", ["resource_type"])
+    op.create_index("ix_library_resources_status", "library_resources", ["status"])
+    op.create_index("ix_library_resources_gender", "library_resources", ["gender"])
+    op.create_index("ix_library_resources_age_group", "library_resources", ["age_group"])
+    op.create_index("ix_library_resources_environment", "library_resources", ["environment"])
+    op.create_index("ix_library_resources_category", "library_resources", ["category"])
+
+    op.create_table(
+        "library_resource_files",
+        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
+        sa.Column("resource_id", sa.Integer(), sa.ForeignKey("library_resources.id"), nullable=False),
+        sa.Column(
+            "file_role",
+            sa.Enum("original", "thumbnail", "gallery", name="libraryfilerole", native_enum=False),
+            nullable=False,
+        ),
+        sa.Column("storage_key", sa.String(length=500), nullable=False),
+        sa.Column("public_url", sa.String(length=500), nullable=False),
+        sa.Column("bucket", sa.String(length=255), nullable=False),
+        sa.Column("mime_type", sa.String(length=255), nullable=False),
+        sa.Column("size_bytes", sa.Integer(), nullable=False),
+        sa.Column("sort_order", sa.Integer(), nullable=False),
+        sa.Column("width", sa.Integer(), nullable=True),
+        sa.Column("height", sa.Integer(), nullable=True),
+        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
+        sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False),
+    )
+    op.create_index("ix_library_resource_files_resource_id", "library_resource_files", ["resource_id"])
+    op.create_index("ix_library_resource_files_file_role", "library_resource_files", ["file_role"])
+
+
+def downgrade() -> None:
+    """Drop the resource-library tables."""
+
+    op.drop_index("ix_library_resource_files_file_role", table_name="library_resource_files")
+    op.drop_index("ix_library_resource_files_resource_id", table_name="library_resource_files")
+    op.drop_table("library_resource_files")
+    op.drop_index("ix_library_resources_category", table_name="library_resources")
+    op.drop_index("ix_library_resources_environment", table_name="library_resources")
+    op.drop_index("ix_library_resources_age_group", table_name="library_resources")
+    op.drop_index("ix_library_resources_gender", table_name="library_resources")
+    op.drop_index("ix_library_resources_status", table_name="library_resources")
+    op.drop_index("ix_library_resources_resource_type", table_name="library_resources")
+    op.drop_table("library_resources")

alembic/versions/20260328_0004_optional_pose_id.py

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+"""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)

alembic/versions/20260328_0005_optional_scene_ref_asset_id.py

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+"""Make order scene_ref_asset_id optional for MVP.
+
+Revision ID: 20260328_0005
+Revises: 20260328_0004
+Create Date: 2026-03-28 14:20:00.000000
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "20260328_0005"
+down_revision = "20260328_0004"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    with op.batch_alter_table("orders") as batch_op:
+        batch_op.alter_column("scene_ref_asset_id", existing_type=sa.Integer(), nullable=True)
+
+
+def downgrade() -> None:
+    with op.batch_alter_table("orders") as batch_op:
+        batch_op.alter_column("scene_ref_asset_id", existing_type=sa.Integer(), nullable=False)