Add configurable distribution supply types

src/db/repositories/project-location-structure-project-command.repository.ts

@@ -24,6 +24,7 @@ import type { AppDatabase } from "../database-context.js";
 import { circuitDeviceRows } from "../schema/circuit-device-rows.js";
 import { consumers } from "../schema/consumers.js";
 import { floors } from "../schema/floors.js";
+import { distributionBoards } from "../schema/distribution-boards.js";
 import { projects } from "../schema/projects.js";
 import { rooms } from "../schema/rooms.js";
 import { executeProjectCommandTransaction } from "./project-command-transaction.persistence.js";
@@ -129,6 +130,17 @@ export class ProjectLocationStructureProjectCommandRepository
         "A project floor with assigned rooms cannot be removed by history."
       );
     }
+    const referencedDistributionBoard = database
+      .select({ id: distributionBoards.id })
+      .from(distributionBoards)
+      .where(eq(distributionBoards.floorId, expected.id))
+      .limit(1)
+      .get();
+    if (referencedDistributionBoard) {
+      throw new Error(
+        "A project floor assigned to a distribution board cannot be removed by history."
+      );
+    }
     const deleted = database
       .delete(floors)
       .where(