Add cash payment compliance and accounting tools

alembic/versions/20260903_cash_payment_rule_settings.py

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+from alembic import op
+import sqlalchemy as sa
+
+revision = "20260903_cash_payment_rules"
+down_revision = "20260902_ws_enrollment_secret"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table(
+        "accounting_cash_payment_rule_settings",
+        sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
+        sa.Column("tenant_id", sa.Integer(), sa.ForeignKey("tenants.id", ondelete="CASCADE"), nullable=False),
+        sa.Column("cash_limit", sa.Float(), nullable=False, server_default="10000"),
+        sa.Column("effective_from", sa.Date(), nullable=False, server_default="2017-04-01"),
+        sa.Column("split_window_days", sa.Integer(), nullable=False, server_default="3"),
+        sa.Column("near_limit_percent", sa.Float(), nullable=False, server_default="80"),
+        sa.Column("max_allocation_days", sa.Integer(), nullable=False, server_default="5"),
+        sa.Column("updated_by_user_id", sa.Integer(), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True),
+        sa.Column("created_at_utc", sa.DateTime(), nullable=False, server_default=sa.text("CURRENT_TIMESTAMP")),
+        sa.Column("updated_at_utc", sa.DateTime(), nullable=False, server_default=sa.text("CURRENT_TIMESTAMP")),
+        sa.UniqueConstraint("tenant_id", name="uq_cash_payment_rule_settings_tenant"),
+    )
+    op.create_index("ix_cash_payment_rule_settings_tenant", "accounting_cash_payment_rule_settings", ["tenant_id"], unique=False)
+
+
+def downgrade():
+    op.drop_index("ix_cash_payment_rule_settings_tenant", table_name="accounting_cash_payment_rule_settings")
+    op.drop_table("accounting_cash_payment_rule_settings")