Derive project device phases from category

tests/project-device-schema.test.ts

@@ -14,10 +14,9 @@ describe("project device circuit-first schema", () => {
     const result = createProjectDeviceSchema.safeParse({
       name: "E-Line Pro",
       displayName: "Office lighting",
-      phaseType: "single_phase",
       connectionKind: "fixed",
       costGroup: "440",
-      category: "Lighting",
+      category: "lighting",
       quantity: 6,
       powerPerUnit: 0.04,
       simultaneityFactor: 0.8,
@@ -28,7 +27,7 @@ describe("project device circuit-first schema", () => {
     assert.equal(result.success, true);
   });
 
-  it("requires the circuit-first power and phase fields", () => {
+  it("requires the circuit-first power and category fields", () => {
     const result = createProjectDeviceSchema.safeParse({
       name: "Test device",
       displayName: "Test device",
@@ -45,7 +44,7 @@ describe("project device circuit-first schema", () => {
     const result = createProjectDeviceSchema.safeParse({
       name: "Pumpe",
       displayName: "Pumpe",
-      phaseType: "three_phase",
+      category: "three_phase",
       quantity: 1,
       powerPerUnit: 2,
       simultaneityFactor: 1,
@@ -59,7 +58,7 @@ describe("project device circuit-first schema", () => {
     const device = {
       name: "E-Line Pro",
       displayName: "Bürobeleuchtung",
-      phaseType: "single_phase" as const,
+      category: "lighting" as const,
       quantity: 6,
       powerPerUnit: 0.04,
       simultaneityFactor: 0.8,