Add virtualizer to ProjectDropdown, ClientDropdown and Reporting

Comboboxes; Remove redundant focus loop on Project/ClientDropdown

e2e/projects.spec.ts

@@ -117,6 +117,43 @@ test('test that archiving and unarchiving projects works', async ({ page, ctx })
     await expect(page.getByText(newProjectName)).toBeVisible();
 });
 
+test('test that the client can be changed in the edit project modal', async ({ page, ctx }) => {
+    const projectName = 'Edit Client Project ' + Math.floor(1 + Math.random() * 100000);
+    const clientName = 'Assigned Client ' + Math.floor(1 + Math.random() * 100000);
+    await createProjectViaApi(ctx, { name: projectName });
+    const client = await createClientViaApi(ctx, { name: clientName });
+
+    await page.goto(PLAYWRIGHT_BASE_URL + '/projects');
+    await expect(page.getByText(projectName)).toBeVisible({ timeout: 10000 });
+
+    // Open the project's Edit modal.
+    await page.getByRole('row').first().getByRole('button').click();
+    await page.getByRole('menuitem').getByText('Edit').first().click();
+    await expect(page.getByRole('dialog')).toBeVisible();
+
+    // Open the client dropdown (currently "No Client"), confirm it focuses, and pick the client.
+    await page.getByRole('dialog').getByRole('button', { name: 'No Client' }).click();
+    const clientSearch = page.getByPlaceholder('Search for a client...');
+    await expect(clientSearch).toBeFocused();
+    await clientSearch.fill(clientName);
+    await page.getByRole('option', { name: clientName }).click();
+
+    // The trigger updates to the chosen client.
+    await expect(page.getByRole('dialog').getByRole('button', { name: clientName })).toBeVisible();
+
+    // Saving persists the client assignment.
+    await Promise.all([
+        page.getByRole('button', { name: 'Update Project' }).click(),
+        page.waitForResponse(
+            async (response) =>
+                response.url().includes('/projects/') &&
+                response.request().method() === 'PUT' &&
+                response.status() === 200 &&
+                (await response.json()).data.client_id === client.id
+        ),
+    ]);
+});
+
 test('test that updating billable rate works with existing time entries', async ({ page, ctx }) => {
     const newProjectName = 'New Project ' + Math.floor(1 + Math.random() * 10000);
     const newBillableRate = Math.round(Math.random() * 10000);

e2e/reporting.spec.ts

@@ -96,6 +96,37 @@ test('test that project multiselect search filters the option list', async ({ pa
     await page.keyboard.press('Escape');
 });
 
+test('test that the project filter virtualizes a long list (renders only a window)', async ({
+    page,
+    ctx,
+}) => {
+    // Create many projects so the dropdown must virtualize rather than render all of them.
+    const projectNames = Array.from(
+        { length: 80 },
+        (_, i) => `VirtProj ${String(i).padStart(2, '0')}`
+    );
+    await Promise.all(projectNames.map((name) => createProjectViaApi(ctx, { name })));
+
+    await goToReporting(page);
+    await expect(page.getByRole('button', { name: 'Export' })).toBeVisible();
+    await page.getByRole('button', { name: 'Projects' }).first().click();
+
+    // Only a small window of options is mounted, far fewer than the 80+ projects that exist.
+    await expect(page.getByRole('option').first()).toBeVisible();
+    const renderedCount = await page.getByRole('option').count();
+    expect(renderedCount).toBeGreaterThan(0);
+    expect(renderedCount).toBeLessThan(60);
+
+    // Virtualization must not drop options: searching narrows the list to the one deep match.
+    // Wait for the filtered count to settle to 1 before asserting — checking the option while
+    // the virtualizer is still re-rendering can transiently match a stale row (Firefox CI flake).
+    await page.getByPlaceholder('Search for a Project...').fill('VirtProj 79');
+    await expect(page.getByRole('option')).toHaveCount(1);
+    await expect(page.getByRole('option')).toContainText('VirtProj 79');
+
+    await page.keyboard.press('Escape');
+});
+
 test('test that selecting multiple projects shows correct badge count', async ({ page, ctx }) => {
     const project1Name = 'MultiProj1 ' + Math.floor(Math.random() * 10000);
     const project2Name = 'MultiProj2 ' + Math.floor(Math.random() * 10000);

e2e/tasks.spec.ts

@@ -152,6 +152,49 @@ test('test that editing a task name works', async ({ page, ctx }) => {
     await expect(page.getByTestId('task_table')).not.toContainText(originalTaskName);
 });
 
+test('test that the project can be searched and changed in the create task modal', async ({
+    page,
+    ctx,
+}) => {
+    const sourceProject = 'Source Project ' + Math.floor(1 + Math.random() * 100000);
+    const targetProject = 'Target Project ' + Math.floor(1 + Math.random() * 100000);
+    await createProjectViaApi(ctx, { name: sourceProject });
+    const target = await createProjectViaApi(ctx, { name: targetProject });
+
+    await goToProjectsOverview(page);
+    await page.getByText(sourceProject).first().click();
+    await page.getByRole('button', { name: 'Create Task' }).click();
+    await expect(page.getByRole('dialog')).toBeVisible();
+
+    // The project dropdown is pre-filled with the source project; open it.
+    await page.getByRole('dialog').getByRole('button', { name: sourceProject }).click();
+
+    // Opening the dropdown focuses the search input; searching narrows it to the target project.
+    const projectSearch = page.getByPlaceholder('Search for a project...');
+    await expect(projectSearch).toBeFocused();
+    await projectSearch.fill('Target Project');
+    await page.getByRole('option', { name: targetProject }).click();
+
+    // Selecting closes the dropdown and updates the trigger to the chosen project.
+    await expect(
+        page.getByRole('dialog').getByRole('button', { name: targetProject })
+    ).toBeVisible();
+
+    // The new selection is what gets used when the task is created.
+    const taskName = 'Switched Task ' + Math.floor(1 + Math.random() * 100000);
+    await page.getByPlaceholder('Task Name').fill(taskName);
+    await Promise.all([
+        page.getByRole('dialog').getByRole('button', { name: 'Create Task' }).click(),
+        page.waitForResponse(
+            async (response) =>
+                response.url().includes('/tasks') &&
+                response.request().method() === 'POST' &&
+                response.status() === 201 &&
+                (await response.json()).data.project_id === target.id
+        ),
+    ]);
+});
+
 test('test that creating a project with an existing client works', async ({ page, ctx }) => {
     const clientName = 'Existing Client ' + Math.floor(1 + Math.random() * 10000);
     const projectName = 'Project With Client ' + Math.floor(1 + Math.random() * 10000);