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KSP_project/topology_api/migrations/005_layout_presentation.sql
T

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SQL

-- Persist all presentation semantics required by the database-driven SVG.
ALTER TABLE topology.diagram_nodes
ADD COLUMN IF NOT EXISTS display_meta text,
ADD COLUMN IF NOT EXISTS display_hint text,
ADD COLUMN IF NOT EXISTS decorations jsonb NOT NULL DEFAULT '{}'::jsonb;
CREATE TABLE IF NOT EXISTS topology.diagram_node_members (
diagram_node_id uuid NOT NULL
REFERENCES topology.diagram_nodes(id) ON DELETE CASCADE,
component_id uuid NOT NULL
REFERENCES topology.components(id),
display_order integer NOT NULL DEFAULT 0,
PRIMARY KEY (diagram_node_id, component_id)
);
CREATE INDEX IF NOT EXISTS idx_diagram_node_members_component
ON topology.diagram_node_members(component_id);