Add estimate row project device handoff

tests/estimate-balance-frontend.test.ts

@@ -28,6 +28,7 @@ import {
   getTodayIsoDate,
   parseGermanDecimal,
 } from "../src/frontend/estimate-balance/estimate-balance-format.js";
+import { createEstimateProjectDeviceInitialValues } from "../src/frontend/estimate-balance/estimate-project-device-prefill.js";
 import {
   ApiRequestError,
   createEstimateBalance,
@@ -264,6 +265,55 @@ describe("estimate balance document editing", () => {
   });
 });
 
+describe("estimate row to project device prefill", () => {
+  it("maps a piece row to one reusable project-device template", () => {
+    const balance = sampleBalance();
+    const group = balance.groups[0]!;
+    const row = {
+      ...group.rows[0]!,
+      name: " Hebeanlage ",
+      quantity: 4,
+      connection: "fixed" as const,
+      powerPerUnitW: 1250,
+      simultaneityFactor: 0.8,
+      cosPhi: 0.9,
+      remark: "bauseits",
+    };
+
+    assert.deepEqual(createEstimateProjectDeviceInitialValues(group, row), {
+      name: "Hebeanlage",
+      displayName: "Hebeanlage",
+      category: "single_phase",
+      connectionKind: "Festanschluss",
+      costGroup: "410",
+      quantity: 1,
+      powerPerUnit: 1.25,
+      simultaneityFactor: 0.8,
+      cosPhi: 0.9,
+      remark: "bauseits",
+    });
+  });
+
+  it("leaves quantity and power blank for an area row", () => {
+    const balance = sampleBalance();
+    const group = balance.groups[1]!;
+    const row = {
+      ...createEstimateRow(0, () => "area-row"),
+      name: "Bürofläche",
+      unit: "area" as const,
+      connection: "socket" as const,
+      quantity: 250,
+      powerPerUnitW: 15,
+    };
+
+    const initial = createEstimateProjectDeviceInitialValues(group, row);
+    assert.equal(initial.quantity, null);
+    assert.equal(initial.powerPerUnit, null);
+    assert.equal(initial.connectionKind, "Steckdose");
+    assert.equal(initial.costGroup, "440");
+  });
+});
+
 describe("estimate balance saving", () => {
   it("builds the trimmed server document with null for empty optional texts", () => {
     let balance = sampleBalance();

tests/project-version-history.test.ts

@@ -3,7 +3,11 @@ import { describe, it } from "node:test";
 import { createElement } from "react";
 import { renderToStaticMarkup } from "react-dom/server";
 import { ProjectVersionHistory } from "../src/frontend/components/project-version-history.js";
-import { ProjectDeviceModal } from "../src/frontend/components/project-device-modal.js";
+import {
+  hasExistingProjectDeviceName,
+  isProjectDeviceNumberInRange,
+  ProjectDeviceModal,
+} from "../src/frontend/components/project-device-modal.js";
 import { ProjectSettingsModal } from "../src/frontend/components/project-settings-modal.js";
 import type {
   ProjectRevisionSummaryDto,
@@ -324,6 +328,42 @@ describe("project device modal presentation", () => {
     assert.match(markup, /1-phasig/);
     assert.match(markup, /3-phasig/);
   });
+
+  it("rejects empty required numbers while keeping zero valid", () => {
+    assert.equal(isProjectDeviceNumberInRange("", 0), false);
+    assert.equal(isProjectDeviceNumberInRange("   ", 0), false);
+    assert.equal(isProjectDeviceNumberInRange("0", 0), true);
+    assert.equal(isProjectDeviceNumberInRange("0,8", 0, 1), true);
+  });
+
+  it("renders blank area values as invalid and warns about duplicate names", () => {
+    const markup = renderToStaticMarkup(
+      createElement(ProjectDeviceModal, {
+        existingDevices: [{ name: "Bürofläche", displayName: "Bürofläche" }],
+        globalDevices: [],
+        initialValues: {
+          name: "Bürofläche",
+          displayName: "Bürofläche",
+          quantity: null,
+          powerPerUnit: null,
+        },
+        isSaving: false,
+        onClose: () => undefined,
+        onImportGlobal: async () => undefined,
+        onSave: async () => undefined,
+      })
+    );
+    assert.match(markup, /gleichem internen Namen oder Anzeigenamen/);
+    assert.match(markup, /id="device-quantity"[^>]*value=""/);
+    assert.match(markup, /id="device-power"[^>]*value=""/);
+    assert.match(markup, /<button class="btn btn-primary" disabled="" type="submit">/);
+    assert.equal(
+      hasExistingProjectDeviceName(" bürofläche ", "", [
+        { name: "BÜROFLÄCHE", displayName: "Fläche" },
+      ]),
+      true
+    );
+  });
 });
 
 describe("project version history API", () => {