fix: MedSchedule ESM import for Router and data table links resolution

migrations/0060_data_table_links.sql

@@ -0,0 +1,17 @@
+-- data_table_links: связи между справочниками (родитель → подсправочник)
+CREATE TABLE IF NOT EXISTS data_table_links (
+  id SERIAL PRIMARY KEY,
+  organization_id INTEGER NOT NULL REFERENCES organizations(id) ON DELETE CASCADE,
+  parent_table_id INTEGER NOT NULL REFERENCES data_tables(id) ON DELETE CASCADE,
+  child_table_id INTEGER NOT NULL REFERENCES data_tables(id) ON DELETE CASCADE,
+  parent_column_index INTEGER NOT NULL DEFAULT 0,
+  child_column_index INTEGER NOT NULL DEFAULT 0,
+  parent_values JSONB NOT NULL DEFAULT '[]',
+  created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+  updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+CREATE INDEX IF NOT EXISTS data_table_links_parent_idx ON data_table_links(parent_table_id);
+CREATE INDEX IF NOT EXISTS data_table_links_child_idx ON data_table_links(child_table_id);
+CREATE UNIQUE INDEX IF NOT EXISTS data_table_links_parent_child_unique
+  ON data_table_links(parent_table_id, child_table_id);