feat: add page_configs migration

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

alembic/versions/a1b2c3d4e5f6_add_page_configs_table.py

@@ -0,0 +1,72 @@
+"""add page_configs table
+
+Revision ID: a1b2c3d4e5f6
+Revises: f6d4a1b2c3e7
+Create Date: 2026-02-10
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy import text
+
+revision = 'a1b2c3d4e5f6'
+down_revision = 'f6d4a1b2c3e7'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        'page_configs',
+        sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+        sa.Column('post_id', sa.Integer(), nullable=False),
+        sa.Column('features', sa.JSON(), server_default='{}', nullable=False),
+        sa.Column('sumup_merchant_code', sa.String(64), nullable=True),
+        sa.Column('sumup_api_key', sa.Text(), nullable=True),
+        sa.Column('sumup_checkout_prefix', sa.String(64), nullable=True),
+        sa.Column('created_at', sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
+        sa.Column('updated_at', sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False),
+        sa.Column('deleted_at', sa.DateTime(timezone=True), nullable=True),
+        sa.ForeignKeyConstraint(['post_id'], ['posts.id'], ondelete='CASCADE'),
+        sa.PrimaryKeyConstraint('id'),
+        sa.UniqueConstraint('post_id'),
+    )
+
+    # Backfill: create PageConfig for every existing page
+    conn = op.get_bind()
+
+    # 1. Pages with calendars -> features={"calendar": true}
+    conn.execute(text("""
+        INSERT INTO page_configs (post_id, features, created_at, updated_at)
+        SELECT DISTINCT p.id, '{"calendar": true}'::json, now(), now()
+        FROM posts p
+        JOIN calendars c ON c.post_id = p.id
+        WHERE p.is_page = true
+          AND p.deleted_at IS NULL
+          AND c.deleted_at IS NULL
+    """))
+
+    # 2. Market page (slug='market', is_page=true) -> features={"market": true}
+    #    Only if not already inserted above
+    conn.execute(text("""
+        INSERT INTO page_configs (post_id, features, created_at, updated_at)
+        SELECT p.id, '{"market": true}'::json, now(), now()
+        FROM posts p
+        WHERE p.slug = 'market'
+          AND p.is_page = true
+          AND p.deleted_at IS NULL
+          AND p.id NOT IN (SELECT post_id FROM page_configs)
+    """))
+
+    # 3. All other pages -> features={}
+    conn.execute(text("""
+        INSERT INTO page_configs (post_id, features, created_at, updated_at)
+        SELECT p.id, '{}'::json, now(), now()
+        FROM posts p
+        WHERE p.is_page = true
+          AND p.deleted_at IS NULL
+          AND p.id NOT IN (SELECT post_id FROM page_configs)
+    """))
+
+
+def downgrade() -> None:
+    op.drop_table('page_configs')