fix profile setting sidebar alignment

Bumps [aglipanci/laravel-pint-action](https://github.com/aglipanci/laravel-pint-action) from 2.5 to 2.6.
- [Release notes](https://github.com/aglipanci/laravel-pint-action/releases)
- [Commits](https://github.com/aglipanci/laravel-pint-action/compare/2.5...2.6)

---
updated-dependencies:
- dependency-name: aglipanci/laravel-pint-action
  dependency-version: '2.6'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build-onpremise.yml

@@ -91,7 +91,7 @@ jobs:
         if: steps.cache-vendor.outputs.cache-hit != 'true' # Skip if cache hit
 
       - name: "Use Node.js"
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: '20.x'
 
@@ -177,7 +177,7 @@ jobs:
       - build
     steps:
       - name: "Download digests"
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           path: ${{ runner.temp }}/digests
           pattern: digests-*

.github/workflows/build-private.yml

@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: "Check out code"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Required for WyriHaximus/github-action-get-previous-tag
 
@@ -68,12 +68,12 @@ jobs:
         run: cat .env
 
       - name: "Use Node.js"
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: '20.x'
 
       - name: "Checkout billing extension"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           repository: solidtime-io/extension-billing
           path: extensions/Billing
@@ -93,7 +93,7 @@ jobs:
         run: cd extensions/Billing && npm ci
 
       - name: "Checkout services extension"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           repository: solidtime-io/extension-services
           path: extensions/Services
@@ -111,7 +111,7 @@ jobs:
         run: cd extensions/Services && npm ci
 
       - name: "Checkout invoicing extension"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           repository: solidtime-io/extension-invoicing
           path: extensions/Invoicing

.github/workflows/build-public.yml

@@ -36,7 +36,7 @@ jobs:
 
     steps:
       - name: "Check out code"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Required for WyriHaximus/github-action-get-previous-tag
 
@@ -92,7 +92,7 @@ jobs:
         if: steps.cache-vendor.outputs.cache-hit != 'true' # Skip if cache hit
 
       - name: "Use Node.js"
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: '20.x'
 
@@ -169,7 +169,7 @@ jobs:
       - build
     steps:
       - name: "Download digests"
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           path: ${{ runner.temp }}/digests
           pattern: digests-*

.github/workflows/generate-api-docs.yml

@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: "Setup PHP"
         uses: shivammathur/setup-php@v2

.github/workflows/npm-build.yml

@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: "Setup PHP (for Ziggy)"
         uses: shivammathur/setup-php@v2
@@ -24,7 +24,7 @@ jobs:
         run: composer install -n --prefer-dist
 
       - name: "Use Node.js"
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: '20.x'
 

.github/workflows/npm-format-check.yml

@@ -9,10 +9,10 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: "Use Node.js"
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: '20.x'
 

.github/workflows/npm-lint.yml

@@ -11,10 +11,10 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: "Use Node.js"
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: '20.x'
 

.github/workflows/npm-publish-api.yml

@@ -11,11 +11,11 @@ jobs:
       id-token: write
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       # Setup .npmrc file to publish to npm
       - name: Install root project dependencies
         run: npm ci
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
           node-version: '20.x'
           registry-url: 'https://registry.npmjs.org'

.github/workflows/npm-publish-ui.yml

@@ -11,9 +11,9 @@ jobs:
       id-token: write
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       # Setup .npmrc file to publish to npm
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
           node-version: '20.x'
           registry-url: 'https://registry.npmjs.org'

.github/workflows/npm-test-unit.yml

@@ -0,0 +1,27 @@
+name: NPM Test Unit
+
+on: [push]
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    env:
+      TZ: UTC
+
+    steps:
+      - name: "Checkout code"
+        uses: actions/checkout@v4
+
+      - name: "Use Node.js"
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20.x'
+
+      - name: "Install npm dependencies"
+        run: npm ci
+
+      - name: "Run vitest"
+        run: npm run test:unit

.github/workflows/npm-typecheck.yml

@@ -10,7 +10,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: "Setup PHP (for Ziggy)"
         uses: shivammathur/setup-php@v2
@@ -23,7 +23,7 @@ jobs:
         run: composer install -n --prefer-dist
 
       - name: "Use Node.js"
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: '20.x'
 

.github/workflows/phpstan.yml

@@ -9,7 +9,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: "Setup PHP"
         uses: shivammathur/setup-php@v2

.github/workflows/phpunit.yml

@@ -36,7 +36,7 @@ jobs:
           --health-retries 5
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: "Setup PHP"
         uses: shivammathur/setup-php@v2
@@ -48,7 +48,7 @@ jobs:
       - name: "Run composer install"
         run: composer install -n --prefer-dist
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
           node-version: '20.x'
 
@@ -68,7 +68,7 @@ jobs:
         run: php artisan test --stop-on-failure --coverage-text --coverage-clover=coverage.xml
 
       - name: "Upload coverage reports to Codecov"
-        uses: codecov/codecov-action@v5.4.3
+        uses: codecov/codecov-action@v5.5.1
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           slug: solidtime-io/solidtime

.github/workflows/pint.yml

@@ -9,9 +9,9 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: "Check code style"
-        uses: aglipanci/laravel-pint-action@2.5
+        uses: aglipanci/laravel-pint-action@2.6
         with:
           configPath: "pint.json"

.github/workflows/playwright.yml

@@ -35,10 +35,10 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: "Setup node"
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: '20.x'
 

SECURITY.md

@@ -3,3 +3,18 @@
 ## Reporting a Vulnerability
 
 If you discover a security vulnerability regarding this project, please e-mail me to [security@solidtime.io](mailto:security@solidtime.io)!
+
+## Out of scope
+
+
+Reports we typically won't issue an advisory for:
+
+* Theoretical findings without a working PoC
+* Raw scanner output without manual validation
+* Missing/weak security headers in isolation (CSP, X-Frame-Options, HSTS, etc.)
+* SPF/DKIM/DMARC on non-mail-sending domains; missing DNSSEC/CAA; TLS cipher preferences
+* Self-XSS; CSRF on non-state-changing endpoints (logout, theme)
+* CSV / spreadsheet formula injection in exports — treated as a spreadsheet-application issue
+* Org owners or admins acting destructively within their own organization
+* Anything requiring direct DB, shell, or filesystem access on a self-hosted instance
+* Missing OAuth Scope enforcement (this is not implemented yet, but AI scanners flag it which is why it is included in this list until we actually support it)

app/Providers/JetstreamServiceProvider.php

@@ -304,28 +304,8 @@ class JetstreamServiceProvider extends ServiceProvider
                             'owner' => [
                                 'id' => $owner->getKey(),
                                 'name' => $owner->name,
-                                'email' => $owner->email,
                                 'profile_photo_url' => $owner->profile_photo_url,
                             ],
-                            'users' => $teamModel->users->map(function (User $user): array {
-                                return [
-                                    'id' => $user->getKey(),
-                                    'name' => $user->name,
-                                    'email' => $user->email,
-                                    'profile_photo_url' => $user->profile_photo_url,
-                                    'membership' => [
-                                        'id' => $user->membership->id,
-                                        'role' => $user->membership->role,
-                                    ],
-                                ];
-                            }),
-                            'team_invitations' => $teamModel->teamInvitations->map(function (OrganizationInvitation $invitation): array {
-                                return [
-                                    'id' => $invitation->getKey(),
-                                    'email' => $invitation->email,
-                                    'role' => $invitation->role,
-                                ];
-                            }),
                         ],
                         'currencies' => array_map(function (Currency $currency): string {
                             return $currency->getName();

docker-compose.yml

@@ -107,7 +107,7 @@ services:
             - sail
             - reverse-proxy
     playwright:
-        image: mcr.microsoft.com/playwright:v1.58.1-jammy
+        image: mcr.microsoft.com/playwright:v1.59.1-jammy
         command: ['npx', 'playwright', 'test', '--ui-port=8080', '--ui-host=0.0.0.0']
         working_dir: /src
         extra_hosts:

e2e/projects.spec.ts

@@ -6,6 +6,7 @@ import { formatCentsWithOrganizationDefaults } from './utils/money';
 import {
     createProjectViaApi,
     createPublicProjectViaApi,
+    createProjectMemberViaApi,
     createTaskViaApi,
     createClientViaApi,
     createTimeEntryViaApi,
@@ -217,6 +218,59 @@ test('test that creating a non-billable project works', async ({ page }) => {
     await expect(page.getByTestId('project_table')).toContainText(newProjectName);
 });
 
+test('test that creating a public project via the modal works', async ({ page }) => {
+    const newProjectName = 'Public Project ' + Math.floor(1 + Math.random() * 10000);
+    await goToProjectsOverview(page);
+    await page.getByRole('button', { name: 'Create Project' }).click();
+    await page.getByLabel('Project Name').fill(newProjectName);
+
+    // Visibility defaults to Private — switch it to Public
+    await expect(page.getByRole('dialog').locator('#visibility')).toContainText('Private');
+    await page.getByRole('dialog').locator('#visibility').click();
+    await page.getByRole('option', { name: 'Public' }).click();
+
+    await Promise.all([
+        page.getByRole('button', { name: 'Create Project' }).click(),
+        page.waitForResponse(
+            async (response) =>
+                response.url().includes('/projects') &&
+                response.request().method() === 'POST' &&
+                response.status() === 201 &&
+                (await response.json()).data.is_public === true
+        ),
+    ]);
+
+    await expect(page.getByTestId('project_table')).toContainText(newProjectName);
+});
+
+test('test that changing a project to public via the edit modal works', async ({ page, ctx }) => {
+    const newProjectName = 'Edit Visibility Project ' + Math.floor(1 + Math.random() * 10000);
+    await createProjectViaApi(ctx, { name: newProjectName });
+
+    await goToProjectsOverview(page);
+    await expect(page.getByText(newProjectName)).toBeVisible({ timeout: 10000 });
+
+    const projectRow = page.getByRole('row').filter({ hasText: newProjectName }).first();
+    await projectRow.getByRole('button').click();
+    await page.locator(`[aria-label='Edit Project ${newProjectName}']`).click();
+
+    // Loaded as Private — switch it to Public
+    await expect(page.getByRole('dialog').locator('#visibility')).toContainText('Private');
+    await page.getByRole('dialog').locator('#visibility').click();
+    await page.getByRole('option', { name: 'Public' }).click();
+
+    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.is_public === true
+        ),
+    ]);
+});
+
 test('test that switching from custom rate to default rate clears billable rate', async ({
     page,
     ctx,
@@ -925,6 +979,39 @@ test.describe('Employee Projects Restrictions', () => {
             employee.page.locator(`[aria-label='Delete Project ${projectName}']`)
         ).not.toBeVisible();
     });
+
+    test('employee does not see private projects they are not a member of', async ({
+        ctx,
+        employee,
+    }) => {
+        const publicName = 'EmpPublicVisible ' + Math.floor(Math.random() * 10000);
+        const privateName = 'EmpPrivateHidden ' + Math.floor(Math.random() * 10000);
+        await createPublicProjectViaApi(ctx, { name: publicName });
+        // createProjectViaApi defaults to is_public: false (private); the employee is not a member
+        await createProjectViaApi(ctx, { name: privateName });
+
+        await employee.page.goto(PLAYWRIGHT_BASE_URL + '/projects');
+        await expect(employee.page.getByTestId('projects_view')).toBeVisible({ timeout: 10000 });
+
+        // The public project is visible — confirms the list has loaded
+        await expect(employee.page.getByText(publicName)).toBeVisible({ timeout: 10000 });
+
+        // The private project the employee is not a member of must not appear
+        await expect(employee.page.getByText(privateName)).not.toBeVisible();
+    });
+
+    test('employee can see a private project they are a member of', async ({ ctx, employee }) => {
+        const projectName = 'EmpPrivateMember ' + Math.floor(Math.random() * 10000);
+        const project = await createProjectViaApi(ctx, { name: projectName });
+        // Add the employee as a project member so the private project becomes visible to them
+        await createProjectMemberViaApi(ctx, project.id, { member_id: employee.memberId });
+
+        await employee.page.goto(PLAYWRIGHT_BASE_URL + '/projects');
+        await expect(employee.page.getByTestId('projects_view')).toBeVisible({ timeout: 10000 });
+
+        // The private project is visible because the employee is a member
+        await expect(employee.page.getByText(projectName)).toBeVisible({ timeout: 10000 });
+    });
 });
 
 test.describe('Employee Billable Rate Visibility', () => {

e2e/timesheet-overlap.spec.ts

@@ -0,0 +1,437 @@
+/**
+ * E2E coverage for the timesheet overlap-prevention logic introduced
+ * in `useTimesheetCellMutations` (Phase 1+2+3 of the overlap fix).
+ *
+ * Each test:
+ *   1. Pre-creates entries via the API to set up a deterministic
+ *      day-of-work scenario,
+ *   2. Triggers ONE cell edit through the UI,
+ *   3. Reads the resulting entries back via the API and asserts on
+ *      the start/end placement.
+ *
+ * Pre-creating rows (rather than driving the "Add row" + project picker
+ * UI) keeps the tests focused on the placement logic and out of the
+ * project-dropdown's flake surface.
+ */
+
+import { PLAYWRIGHT_BASE_URL } from '../playwright/config';
+import { test } from '../playwright/fixtures';
+import { expect } from '@playwright/test';
+import type { Page, Request } from '@playwright/test';
+import {
+    createProjectViaApi,
+    createTimeEntryAtHourViaApi,
+    getTimeEntriesViaApi,
+} from './utils/api';
+
+// ──────────────────────────────────────────────────
+// Helpers
+// ──────────────────────────────────────────────────
+
+async function goToTimesheet(page: Page) {
+    await page.addInitScript(() => {
+        window.localStorage.setItem('showReleaseInfo-desktop', 'false');
+    });
+    await page.goto(PLAYWRIGHT_BASE_URL + '/timesheet');
+}
+
+function getMonday(d: Date): Date {
+    const date = new Date(d);
+    const day = date.getUTCDay();
+    const diff = date.getUTCDate() - day + (day === 0 ? -6 : 1);
+    date.setUTCDate(diff);
+    date.setUTCHours(0, 0, 0, 0);
+    return date;
+}
+
+function getCurrentWeekMonday(): Date {
+    return getMonday(new Date());
+}
+
+async function waitForTimesheetLoad(page: Page) {
+    await expect(page.getByTestId('timesheet_view')).toBeVisible();
+    await expect(page.getByTestId('timesheet_week_display')).toBeVisible();
+
+    const timezoneMismatchModal = page
+        .getByRole('dialog')
+        .filter({ hasText: 'Timezone mismatch detected' });
+    if (await timezoneMismatchModal.isVisible().catch(() => false)) {
+        await timezoneMismatchModal.getByRole('button', { name: 'Cancel' }).click();
+        await expect(timezoneMismatchModal).not.toBeVisible();
+    }
+}
+
+const HOUR = 3600;
+
+function utcHourOf(iso: string): number {
+    return new Date(iso).getUTCHours();
+}
+
+function utcMinuteOf(iso: string): number {
+    return new Date(iso).getUTCMinutes();
+}
+
+function sortByStart<T extends { start: string }>(entries: T[]): T[] {
+    return [...entries].sort((a, b) => a.start.localeCompare(b.start));
+}
+
+/**
+ * Returns the locator for the row whose project name matches the given
+ * substring. Robust against ordering changes.
+ */
+function rowByProject(page: Page, projectName: string) {
+    return page.locator('[data-testid="timesheet_row"]').filter({ hasText: projectName });
+}
+
+/**
+ * Returns the locator for the input in the (row, dayIndex) cell, where
+ * the row is identified by project name.
+ */
+function cellInputByProject(page: Page, projectName: string, dayIndex: number) {
+    return rowByProject(page, projectName)
+        .locator('[data-testid="timesheet_cell"]')
+        .nth(dayIndex)
+        .locator('input');
+}
+
+/** Asserts that no entries in the list overlap each other. */
+function expectNoOverlaps(entries: Array<{ start: string; end: string | null }>) {
+    const sorted = sortByStart(entries.filter((e) => e.end !== null));
+    for (let i = 1; i < sorted.length; i++) {
+        const prev = sorted[i - 1]!;
+        const curr = sorted[i]!;
+        expect(
+            curr.start >= prev.end!,
+            `entries overlap: ${prev.start}–${prev.end} vs ${curr.start}–${curr.end}`
+        ).toBe(true);
+    }
+}
+
+// ──────────────────────────────────────────────────
+// Phase 1: createCell — overlap avoidance when cell is empty
+// ──────────────────────────────────────────────────
+
+test('extendCell on a row that has no entries on the day yet places after another row (Scenario #4)', async ({
+    page,
+    ctx,
+}) => {
+    // Setup: project A has Monday 09:00–10:00, project B has Tuesday
+    // 09:00–10:00. The B row is therefore visible on the timesheet but
+    // has an EMPTY cell on Monday. Typing into B's Monday cell exercises
+    // the createCell path (cell empty → place a new entry).
+    const monday = getCurrentWeekMonday();
+    const tuesday = new Date(monday);
+    tuesday.setUTCDate(monday.getUTCDate() + 1);
+
+    const projectA = await createProjectViaApi(ctx, { name: 'OverlapAlpha' });
+    const projectB = await createProjectViaApi(ctx, { name: 'OverlapBravo' });
+
+    await createTimeEntryAtHourViaApi(ctx, {
+        date: monday,
+        startHour: 9,
+        durationSeconds: HOUR,
+        projectId: projectA.id,
+    });
+    await createTimeEntryAtHourViaApi(ctx, {
+        date: tuesday,
+        startHour: 9,
+        durationSeconds: HOUR,
+        projectId: projectB.id,
+    });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+    await expect(page.locator('[data-testid="timesheet_row"]')).toHaveCount(2);
+
+    // Type 1h into project B's Monday cell. The createCell path should
+    // place it AFTER project A's 09:00–10:00 (i.e. at 10:00 or later),
+    // not at 09:00.
+    const input = cellInputByProject(page, 'OverlapBravo', 0);
+    await input.click();
+    await input.fill('1');
+
+    await Promise.all([
+        page.waitForResponse(
+            (resp) =>
+                resp.url().includes('/time-entries') &&
+                resp.request().method() === 'POST' &&
+                resp.status() === 201
+        ),
+        input.press('Enter'),
+    ]);
+
+    const entries = await getTimeEntriesViaApi(ctx);
+    const bMondayEntry = entries.find(
+        (e) =>
+            e.project_id === projectB.id &&
+            new Date(e.start).getTime() >= monday.getTime() &&
+            new Date(e.start).getTime() < tuesday.getTime()
+    )!;
+    expect(bMondayEntry).toBeDefined();
+    // 09:00 is blocked → must be at 10:00 or later.
+    expect(utcHourOf(bMondayEntry.start)).toBeGreaterThanOrEqual(10);
+    expectNoOverlaps(entries);
+});
+
+test('createCell refuses to cross midnight when day is full (Scenario #3)', async ({
+    page,
+    ctx,
+}) => {
+    // Setup: fill Monday 01:00–23:00 (22 hours, leaving 1h before and
+    // 1h after — neither big enough for a 3h ask). Project B is on
+    // Tuesday so the B row exists with an empty Monday cell. Typing 3h
+    // into B's Monday cell should be refused.
+    //
+    // We start at 01:00 (not 00:00) because the API's time-entry
+    // filter excludes entries whose `start` equals the query's `start`
+    // bound exactly. Using 01:00 avoids that boundary condition.
+    const monday = getCurrentWeekMonday();
+    const tuesday = new Date(monday);
+    tuesday.setUTCDate(monday.getUTCDate() + 1);
+
+    const projectFull = await createProjectViaApi(ctx, { name: 'OverlapFull' });
+    const projectNew = await createProjectViaApi(ctx, { name: 'OverlapNoRoom' });
+
+    await createTimeEntryAtHourViaApi(ctx, {
+        date: monday,
+        startHour: 1,
+        durationSeconds: 22 * HOUR,
+        projectId: projectFull.id,
+    });
+    await createTimeEntryAtHourViaApi(ctx, {
+        date: tuesday,
+        startHour: 9,
+        durationSeconds: HOUR,
+        projectId: projectNew.id,
+    });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+    await expect(page.locator('[data-testid="timesheet_row"]')).toHaveCount(2);
+
+    const input = cellInputByProject(page, 'OverlapNoRoom', 0);
+    const seenMutationRequests: string[] = [];
+    const onRequest = (request: Request) => {
+        if (request.url().includes('/time-entries') && request.method() !== 'GET') {
+            seenMutationRequests.push(request.method());
+        }
+    };
+    page.on('request', onRequest);
+    await input.click();
+    await input.fill('3');
+    await input.press('Enter');
+
+    await expect(page.getByText("This day can't fit any more work")).toBeVisible();
+    page.off('request', onRequest);
+
+    const entries = await getTimeEntriesViaApi(ctx);
+    // The new project should still only have its Tuesday entry.
+    const newEntries = entries.filter((e) => e.project_id === projectNew.id);
+    expect(seenMutationRequests).toEqual([]);
+    expect(newEntries).toHaveLength(1);
+    expect(utcHourOf(newEntries[0]!.start)).toBe(9);
+    // The Tuesday entry's date is unchanged (still Tuesday).
+    expect(new Date(newEntries[0]!.start).getUTCDay()).toBe(2);
+});
+
+// ──────────────────────────────────────────────────
+// Phase 2: extendCell — collision detection + split
+// ──────────────────────────────────────────────────
+
+test('extendCell splits the extension when another row blocks the path (Scenario #5)', async ({
+    page,
+    ctx,
+}) => {
+    // Setup:
+    //   - project A on Monday 09:00–10:00 (1h)
+    //   - project B on Monday 10:30–11:30 (1h, blocker)
+    // Bumping A's Monday cell from 1h to 3h (+2h) should:
+    //   - extend A to 09:00–10:30 (filling the 30min gap)
+    //   - place a new A entry at 11:30–13:00 (the remaining 90min)
+    const monday = getCurrentWeekMonday();
+    const projectA = await createProjectViaApi(ctx, { name: 'OverlapExtend' });
+    const projectB = await createProjectViaApi(ctx, { name: 'OverlapBlocker' });
+
+    await createTimeEntryAtHourViaApi(ctx, {
+        date: monday,
+        startHour: 9,
+        durationSeconds: HOUR,
+        projectId: projectA.id,
+    });
+    await createTimeEntryAtHourViaApi(ctx, {
+        date: monday,
+        startHour: 10,
+        startMinute: 30,
+        durationSeconds: HOUR,
+        projectId: projectB.id,
+    });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+    await expect(page.locator('[data-testid="timesheet_row"]')).toHaveCount(2);
+
+    const input = cellInputByProject(page, 'OverlapExtend', 0);
+    await input.click();
+    await input.fill('3');
+    await Promise.all([
+        page.waitForResponse(
+            (resp) =>
+                resp.url().includes('/time-entries') &&
+                resp.request().method() === 'PUT' &&
+                resp.status() === 200
+        ),
+        page.waitForResponse(
+            (resp) =>
+                resp.url().includes('/time-entries') &&
+                resp.request().method() === 'POST' &&
+                resp.status() === 201
+        ),
+        input.press('Enter'),
+    ]);
+
+    const entries = await getTimeEntriesViaApi(ctx);
+    const aEntries = entries.filter((e) => e.project_id === projectA.id);
+    const bEntries = entries.filter((e) => e.project_id === projectB.id);
+
+    // The blocker is unchanged.
+    expect(bEntries).toHaveLength(1);
+    expect(utcHourOf(bEntries[0]!.start)).toBe(10);
+    expect(utcMinuteOf(bEntries[0]!.start)).toBe(30);
+
+    // Project A should now have 2 entries.
+    expect(aEntries).toHaveLength(2);
+    const sortedA = sortByStart(aEntries);
+    // Extended entry: 09:00 → 10:30
+    expect(utcHourOf(sortedA[0]!.start)).toBe(9);
+    expect(utcHourOf(sortedA[0]!.end!)).toBe(10);
+    expect(utcMinuteOf(sortedA[0]!.end!)).toBe(30);
+    // Split remainder: 11:30 → 13:00
+    expect(utcHourOf(sortedA[1]!.start)).toBe(11);
+    expect(utcMinuteOf(sortedA[1]!.start)).toBe(30);
+
+    // No overlaps anywhere on the day.
+    expectNoOverlaps(entries);
+});
+
+test('extendCell prefers latest-end (not latest-start) when nested entries exist (Scenario #6)', async ({
+    page,
+    ctx,
+}) => {
+    // Pre-existing nested overlap on the same project:
+    //   - outer: 09:00 → 12:00 (3h)
+    //   - inner: 10:00 → 11:00 (1h, contained inside outer)
+    // The cell total is 3h + 1h = 4h. Bumping to 5h (+1h) should grow
+    // the OUTER entry's end to 13:00, not the inner.
+    const monday = getCurrentWeekMonday();
+    const project = await createProjectViaApi(ctx, { name: 'OverlapNested' });
+
+    await createTimeEntryAtHourViaApi(ctx, {
+        date: monday,
+        startHour: 9,
+        durationSeconds: 3 * HOUR,
+        projectId: project.id,
+        description: 'outer',
+    });
+    await createTimeEntryAtHourViaApi(ctx, {
+        date: monday,
+        startHour: 10,
+        durationSeconds: HOUR,
+        projectId: project.id,
+        description: 'inner',
+    });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+    await expect(page.locator('[data-testid="timesheet_row"]')).toHaveCount(1);
+
+    const input = cellInputByProject(page, 'OverlapNested', 0);
+    await input.click();
+    await input.fill('5');
+
+    await Promise.all([
+        page.waitForResponse(
+            (resp) =>
+                resp.url().includes('/time-entries') &&
+                resp.request().method() === 'PUT' &&
+                resp.status() === 200
+        ),
+        input.press('Enter'),
+    ]);
+
+    const entries = await getTimeEntriesViaApi(ctx);
+    const outer = entries.find((e) => e.description === 'outer')!;
+    const inner = entries.find((e) => e.description === 'inner')!;
+
+    expect(utcHourOf(outer.start)).toBe(9);
+    expect(utcHourOf(outer.end!)).toBe(13); // extended from 12:00 → 13:00
+    expect(utcHourOf(inner.start)).toBe(10);
+    expect(utcHourOf(inner.end!)).toBe(11); // unchanged
+});
+
+// ──────────────────────────────────────────────────
+// Phase 1+2 spillover from previous day
+// ──────────────────────────────────────────────────
+
+test('createCell handles intra-week spillover from previous day (Scenario #2)', async ({
+    page,
+    ctx,
+}) => {
+    // Setup: an entry that starts on Monday 22:00 and ends Tuesday 03:00
+    // (5h, crosses midnight INTO Tuesday). This spillover starts inside
+    // the loaded week, so the timesheet query loads it.
+    //
+    // Then we try to place 1h on Tuesday for a different project. The
+    // expected behavior: the new entry must NOT overlap the spillover.
+    // Tuesday 09:00 is well clear of the [00:00, 03:00) spillover, so
+    // 09:00 is the correct placement.
+    const monday = getCurrentWeekMonday();
+    const tuesday = new Date(monday);
+    tuesday.setUTCDate(monday.getUTCDate() + 1);
+    const wednesday = new Date(monday);
+    wednesday.setUTCDate(monday.getUTCDate() + 2);
+
+    const projectSpill = await createProjectViaApi(ctx, { name: 'OverlapSpill' });
+    const projectNew = await createProjectViaApi(ctx, { name: 'OverlapToday' });
+
+    // Monday 22:00 → Tuesday 03:00 (5h spillover into Tuesday).
+    await createTimeEntryAtHourViaApi(ctx, {
+        date: monday,
+        startHour: 22,
+        durationSeconds: 5 * HOUR,
+        projectId: projectSpill.id,
+    });
+    // Stub Wednesday entry on the new project so its row is visible
+    // even before we type anything in Tuesday's cell.
+    await createTimeEntryAtHourViaApi(ctx, {
+        date: wednesday,
+        startHour: 9,
+        durationSeconds: HOUR,
+        projectId: projectNew.id,
+    });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+    await expect(page.locator('[data-testid="timesheet_row"]')).toHaveCount(2);
+
+    // Type 1h into the new project's Tuesday cell (day index 1).
+    const input = cellInputByProject(page, 'OverlapToday', 1);
+    await input.click();
+    await input.fill('1');
+
+    await Promise.all([
+        page.waitForResponse(
+            (resp) =>
+                resp.url().includes('/time-entries') &&
+                resp.request().method() === 'POST' &&
+                resp.status() === 201
+        ),
+        input.press('Enter'),
+    ]);
+
+    const entries = await getTimeEntriesViaApi(ctx);
+    const newTuesdayEntry = entries.find(
+        (e) =>
+            e.project_id === projectNew.id &&
+            new Date(e.start).getTime() >= tuesday.getTime() &&
+            new Date(e.start).getTime() < wednesday.getTime()
+    )!;
+    expect(newTuesdayEntry).toBeDefined();
+    // 09:00 is well past the spillover end (03:00) → should land at 09:00.
+    expect(utcHourOf(newTuesdayEntry.start)).toBe(9);
+    expectNoOverlaps(entries);
+});

e2e/timesheet.spec.ts

@@ -0,0 +1,641 @@
+import { PLAYWRIGHT_BASE_URL } from '../playwright/config';
+import { test } from '../playwright/fixtures';
+import { expect } from '@playwright/test';
+import type { Page } from '@playwright/test';
+import { createProjectViaApi, createTaskViaApi, createTimeEntryOnDateViaApi } from './utils/api';
+
+// ──────────────────────────────────────────────────
+// Helpers
+// ──────────────────────────────────────────────────
+
+async function goToTimesheet(page: Page) {
+    await page.addInitScript(() => {
+        window.localStorage.setItem('showReleaseInfo-desktop', 'false');
+    });
+    await page.goto(PLAYWRIGHT_BASE_URL + '/timesheet');
+}
+
+function getMonday(d: Date): Date {
+    const date = new Date(d);
+    const day = date.getUTCDay();
+    const diff = date.getUTCDate() - day + (day === 0 ? -6 : 1);
+    date.setUTCDate(diff);
+    date.setUTCHours(0, 0, 0, 0);
+    return date;
+}
+
+function getCurrentWeekMonday(): Date {
+    return getMonday(new Date());
+}
+
+function getLastWeekMonday(): Date {
+    const monday = getCurrentWeekMonday();
+    monday.setUTCDate(monday.getUTCDate() - 7);
+    return monday;
+}
+
+function getDayOfWeek(weekStart: Date, dayOffset: number): Date {
+    const date = new Date(weekStart);
+    date.setUTCDate(date.getUTCDate() + dayOffset);
+    return date;
+}
+
+async function waitForTimesheetLoad(page: Page) {
+    await page.waitForURL(/\/timesheet(?:$|\?)/);
+    await expect(page.getByTestId('timesheet_view')).toBeVisible();
+    await expect(page.getByTestId('timesheet_week_display')).toBeVisible();
+
+    const timezoneMismatchModal = page
+        .getByRole('dialog')
+        .filter({ hasText: 'Timezone mismatch detected' });
+    if (await timezoneMismatchModal.isVisible().catch(() => false)) {
+        await timezoneMismatchModal.getByRole('button', { name: 'Cancel' }).click();
+        await expect(timezoneMismatchModal).not.toBeVisible();
+    }
+}
+
+function addRowButton(page: Page) {
+    return page.getByRole('button', { name: /Add row/i }).first();
+}
+
+async function chooseRowIdentity(page: Page, optionName: string) {
+    await addRowButton(page).click();
+
+    const dialog = page.getByRole('dialog', { name: /Add row/i });
+    const dialogVisible = await dialog
+        .waitFor({ state: 'visible', timeout: 1000 })
+        .then(() => true)
+        .catch(() => false);
+
+    if (dialogVisible) {
+        await dialog.getByRole('option', { name: optionName }).click();
+        return;
+    }
+
+    if (optionName === 'No Project') return;
+
+    const row = page.locator('[data-testid="timesheet_row"]').first();
+    await row.getByText('No Project').click();
+    await page.getByText(optionName).click();
+}
+
+// ──────────────────────────────────────────────────
+// Navigation & Page Load
+// ──────────────────────────────────────────────────
+
+test('timesheet renders empty with add row + copy last week actions', async ({ page }) => {
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+
+    await expect(page.locator('[data-testid="timesheet_row"]')).toHaveCount(0);
+    await expect(addRowButton(page)).toBeVisible();
+    await expect(page.getByRole('button', { name: /Copy last week/i })).toBeVisible();
+});
+
+// ──────────────────────────────────────────────────
+// Display Existing Time Entries
+// ──────────────────────────────────────────────────
+
+test('timesheet displays existing time entries grouped by project', async ({ page, ctx }) => {
+    const monday = getCurrentWeekMonday();
+    const tuesday = getDayOfWeek(monday, 1);
+    const wednesday = getDayOfWeek(monday, 2);
+
+    const projectA = await createProjectViaApi(ctx, { name: 'Project Alpha' });
+    const projectB = await createProjectViaApi(ctx, { name: 'Project Beta' });
+
+    await createTimeEntryOnDateViaApi(ctx, {
+        date: monday,
+        duration: '2h',
+        projectId: projectA.id,
+    });
+    await createTimeEntryOnDateViaApi(ctx, {
+        date: wednesday,
+        duration: '1h',
+        projectId: projectA.id,
+    });
+    await createTimeEntryOnDateViaApi(ctx, {
+        date: tuesday,
+        duration: '3h',
+        projectId: projectB.id,
+    });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+
+    const rows = page.locator('[data-testid="timesheet_row"]');
+    await expect(rows).toHaveCount(2);
+
+    // Check that the grand total is shown
+    await expect(page.getByTestId('timesheet_grand_total')).toBeVisible();
+});
+
+test('timesheet groups entries by project and task combination', async ({ page, ctx }) => {
+    const monday = getCurrentWeekMonday();
+
+    const project = await createProjectViaApi(ctx, { name: 'Task Project' });
+    const taskA = await createTaskViaApi(ctx, { name: 'Task A', project_id: project.id });
+    const taskB = await createTaskViaApi(ctx, { name: 'Task B', project_id: project.id });
+
+    await createTimeEntryOnDateViaApi(ctx, {
+        date: monday,
+        duration: '1h',
+        projectId: project.id,
+        taskId: taskA.id,
+    });
+    await createTimeEntryOnDateViaApi(ctx, {
+        date: monday,
+        duration: '2h',
+        projectId: project.id,
+        taskId: taskB.id,
+    });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+
+    const rows = page.locator('[data-testid="timesheet_row"]');
+    await expect(rows).toHaveCount(2);
+});
+
+// ──────────────────────────────────────────────────
+// Enter Duration in Cell
+// ──────────────────────────────────────────────────
+
+test('entering duration in empty cell creates a time entry', async ({ page, ctx }) => {
+    await createProjectViaApi(ctx, { name: 'Duration Test' });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+
+    await chooseRowIdentity(page, 'Duration Test');
+
+    const row = page.locator('[data-testid="timesheet_row"]').first();
+
+    // Click the first day cell and enter duration
+    const cells = row.locator('[data-testid="timesheet_cell"]');
+    const mondayCell = cells.first();
+    const mondayInput = mondayCell.locator('input');
+
+    await mondayInput.click();
+    await mondayInput.fill('2');
+
+    // Submit and wait for create response
+    const [response] = await Promise.all([
+        page.waitForResponse(
+            (resp) =>
+                resp.url().includes('/time-entries') &&
+                resp.request().method() === 'POST' &&
+                resp.status() === 201
+        ),
+        mondayInput.press('Enter'),
+    ]);
+
+    expect(response.status()).toBe(201);
+
+    // Verify the cell shows the duration
+    await expect(mondayInput).not.toHaveValue('');
+});
+
+// ──────────────────────────────────────────────────
+// Edit Duration (Increase)
+// ──────────────────────────────────────────────────
+
+test('increasing duration in cell extends the last time entry', async ({ page, ctx }) => {
+    const monday = getCurrentWeekMonday();
+    const project = await createProjectViaApi(ctx, { name: 'Increase Test' });
+
+    await createTimeEntryOnDateViaApi(ctx, {
+        date: monday,
+        duration: '1h',
+        projectId: project.id,
+    });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+
+    const row = page.locator('[data-testid="timesheet_row"]').first();
+    const cells = row.locator('[data-testid="timesheet_cell"]');
+    const mondayInput = cells.first().locator('input');
+
+    // Click and change to 3 hours
+    await mondayInput.click();
+    await mondayInput.fill('3');
+
+    const [response] = await Promise.all([
+        page.waitForResponse(
+            (resp) =>
+                resp.url().includes('/time-entries') &&
+                resp.request().method() === 'PUT' &&
+                resp.status() === 200
+        ),
+        mondayInput.press('Enter'),
+    ]);
+
+    expect(response.status()).toBe(200);
+});
+
+// ──────────────────────────────────────────────────
+// Edit Duration (Decrease)
+// ──────────────────────────────────────────────────
+
+test('decreasing duration in cell shortens the last time entry', async ({ page, ctx }) => {
+    const monday = getCurrentWeekMonday();
+    const project = await createProjectViaApi(ctx, { name: 'Decrease Test' });
+
+    await createTimeEntryOnDateViaApi(ctx, {
+        date: monday,
+        duration: '3h',
+        projectId: project.id,
+    });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+
+    const row = page.locator('[data-testid="timesheet_row"]').first();
+    const cells = row.locator('[data-testid="timesheet_cell"]');
+    const mondayInput = cells.first().locator('input');
+
+    await mondayInput.click();
+    await mondayInput.fill('1');
+
+    const [response] = await Promise.all([
+        page.waitForResponse(
+            (resp) =>
+                resp.url().includes('/time-entries') &&
+                resp.request().method() === 'PUT' &&
+                resp.status() === 200
+        ),
+        mondayInput.press('Enter'),
+    ]);
+
+    expect(response.status()).toBe(200);
+});
+
+// ──────────────────────────────────────────────────
+// Clear Cell
+// ──────────────────────────────────────────────────
+
+test('clearing a cell deletes all time entries for that project+day', async ({ page, ctx }) => {
+    const monday = getCurrentWeekMonday();
+    const project = await createProjectViaApi(ctx, { name: 'Clear Test' });
+
+    await createTimeEntryOnDateViaApi(ctx, {
+        date: monday,
+        duration: '2h',
+        projectId: project.id,
+    });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+
+    const row = page.locator('[data-testid="timesheet_row"]').first();
+    const cells = row.locator('[data-testid="timesheet_cell"]');
+    const mondayInput = cells.first().locator('input');
+
+    await mondayInput.click();
+    await mondayInput.fill('0');
+
+    const [response] = await Promise.all([
+        page.waitForResponse(
+            (resp) =>
+                resp.url().includes('/time-entries') &&
+                resp.request().method() === 'DELETE' &&
+                resp.status() === 200
+        ),
+        mondayInput.press('Enter'),
+    ]);
+
+    expect(response.status()).toBe(200);
+});
+
+test('Escape during cell edit reverts the displayed value without an API call', async ({
+    page,
+    ctx,
+}) => {
+    const monday = getCurrentWeekMonday();
+    const project = await createProjectViaApi(ctx, { name: 'Escape Cancel Test' });
+
+    await createTimeEntryOnDateViaApi(ctx, {
+        date: monday,
+        duration: '2h',
+        projectId: project.id,
+    });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+
+    const row = page.locator('[data-testid="timesheet_row"]').first();
+    const cells = row.locator('[data-testid="timesheet_cell"]');
+    const mondayInput = cells.first().locator('input');
+
+    // Capture the formatted display value before editing.
+    const originalValue = await mondayInput.inputValue();
+    expect(originalValue).toMatch(/2/);
+
+    let mutationFired = false;
+    page.on('request', (req) => {
+        if (req.url().includes('/time-entries') && req.method() !== 'GET') {
+            mutationFired = true;
+        }
+    });
+
+    await mondayInput.click();
+    await mondayInput.fill('5');
+    await mondayInput.press('Escape');
+
+    // The Escape handler reverts the displayed value synchronously, so
+    // once this assertion passes we know the handler ran. Any mutation
+    // request would have been queued by then.
+    await expect(mondayInput).toHaveValue(originalValue);
+    expect(mutationFired).toBe(false);
+});
+
+// ──────────────────────────────────────────────────
+// Week Navigation
+// ──────────────────────────────────────────────────
+
+test('navigating to previous week shows entries from that week', async ({ page, ctx }) => {
+    const lastMonday = getLastWeekMonday();
+    const project = await createProjectViaApi(ctx, { name: 'Last Week Project' });
+
+    await createTimeEntryOnDateViaApi(ctx, {
+        date: lastMonday,
+        duration: '2h',
+        projectId: project.id,
+    });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+
+    // Current week should have no entries
+    await expect(page.locator('[data-testid="timesheet_row"]')).toHaveCount(0);
+
+    // Go to previous week — the row-count assertion below auto-retries
+    // until the new week's data arrives.
+    await page.getByTestId('timesheet_prev_week').click();
+
+    // Should now see the entry
+    const rows = page.locator('[data-testid="timesheet_row"]');
+    await expect(rows).toHaveCount(1);
+});
+
+test('can navigate forward and return to current week', async ({ page }) => {
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+
+    // Should show "This week"
+    await expect(page.getByTestId('timesheet_week_display')).toContainText('This week');
+
+    // Go to next week — the text assertions below auto-retry until the
+    // header label flips.
+    await page.getByTestId('timesheet_next_week').click();
+
+    // Should no longer show "This week"
+    await expect(page.getByTestId('timesheet_week_display')).not.toContainText('This week');
+
+    // Go back to this week
+    await page.getByTestId('timesheet_week_display').click();
+
+    await expect(page.getByTestId('timesheet_week_display')).toContainText('This week');
+});
+
+// ──────────────────────────────────────────────────
+// Copy Last Week
+// ──────────────────────────────────────────────────
+
+test('copy last week adds project rows from previous week without hours', async ({ page, ctx }) => {
+    const lastMonday = getLastWeekMonday();
+    const lastWednesday = getDayOfWeek(lastMonday, 2);
+
+    const projectA = await createProjectViaApi(ctx, { name: 'Copy Project A' });
+    const projectB = await createProjectViaApi(ctx, { name: 'Copy Project B' });
+
+    await createTimeEntryOnDateViaApi(ctx, {
+        date: lastMonday,
+        duration: '2h',
+        projectId: projectA.id,
+    });
+    await createTimeEntryOnDateViaApi(ctx, {
+        date: lastWednesday,
+        duration: '3h',
+        projectId: projectB.id,
+    });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+
+    // Current week should have no populated rows yet.
+    await expect(page.locator('[data-testid="timesheet_row"]')).toHaveCount(0);
+
+    // Open copy last week dropdown and click "Copy rows only"
+    await page.getByRole('button', { name: /Copy last week/i }).click();
+    await page.getByText('Copy rows only').click();
+
+    // Should now show 2 rows (one per project)
+    const rows = page.locator('[data-testid="timesheet_row"]');
+    await expect(rows).toHaveCount(2);
+
+    // All row totals should be 0
+    const rowTotals = page.locator('[data-testid="timesheet_row_total"]');
+    const count = await rowTotals.count();
+    for (let i = 0; i < count; i++) {
+        await expect(rowTotals.nth(i)).toContainText('-');
+    }
+});
+
+test('copy last week does not duplicate rows that already exist', async ({ page, ctx }) => {
+    const lastMonday = getLastWeekMonday();
+    const thisMonday = getCurrentWeekMonday();
+    const thisTuesday = getDayOfWeek(thisMonday, 1);
+
+    const project = await createProjectViaApi(ctx, { name: 'No Dup Project' });
+
+    // Create entry for last week
+    await createTimeEntryOnDateViaApi(ctx, {
+        date: lastMonday,
+        duration: '2h',
+        projectId: project.id,
+    });
+
+    // Create entry for current week
+    await createTimeEntryOnDateViaApi(ctx, {
+        date: thisTuesday,
+        duration: '1h',
+        projectId: project.id,
+    });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+
+    // Should have 1 row (from current week entry)
+    const rows = page.locator('[data-testid="timesheet_row"]');
+    await expect(rows).toHaveCount(1);
+
+    // Open copy last week dropdown and click "Copy rows only"
+    await page.getByRole('button', { name: /Copy last week/i }).click();
+    await page.getByText('Copy rows only').click();
+
+    // Should still have only 1 row (not duplicated)
+    await expect(rows).toHaveCount(1);
+});
+
+test('copy last week with time entries creates rows and entries', async ({ page, ctx }) => {
+    const lastMonday = getLastWeekMonday();
+
+    const project = await createProjectViaApi(ctx, { name: 'Copy Time Project' });
+
+    await createTimeEntryOnDateViaApi(ctx, {
+        date: lastMonday,
+        duration: '2h',
+        projectId: project.id,
+    });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+
+    // Current week should have no populated rows yet.
+    await expect(page.locator('[data-testid="timesheet_row"]')).toHaveCount(0);
+
+    // Open copy last week dropdown and click "Copy rows and time entries"
+    await page.getByRole('button', { name: /Copy last week/i }).click();
+
+    await Promise.all([
+        page.waitForResponse(
+            (resp) =>
+                resp.url().includes('/time-entries') &&
+                resp.request().method() === 'POST' &&
+                resp.status() === 201
+        ),
+        page.getByText('Copy rows and time entries').click(),
+    ]);
+
+    // Should now show 1 row with time entries
+    const rows = page.locator('[data-testid="timesheet_row"]');
+    await expect(rows).toHaveCount(1);
+
+    // Row total should not be 0 (entries were copied)
+    const rowTotal = page.locator('[data-testid="timesheet_row_total"]').first();
+    await expect(rowTotal).not.toContainText('0 h');
+});
+
+// ──────────────────────────────────────────────────
+// Row Removal
+// ──────────────────────────────────────────────────
+
+test('can remove an empty project row without confirmation', async ({ page, ctx }) => {
+    const project = await createProjectViaApi(ctx, { name: 'Empty Remove Project' });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+
+    await chooseRowIdentity(page, project.name);
+
+    const rows = page.locator('[data-testid="timesheet_row"]');
+    await expect(rows).toHaveCount(1);
+
+    // Hover the row to reveal the X button, then click it
+    await rows.first().hover();
+    await rows.first().getByRole('button', { name: 'Remove row' }).click();
+
+    // Row should be removed immediately (no dialog)
+    await expect(rows).toHaveCount(0);
+});
+
+test('removing a row with entries shows confirmation dialog and deletes entries', async ({
+    page,
+    ctx,
+}) => {
+    const monday = getCurrentWeekMonday();
+    const project = await createProjectViaApi(ctx, { name: 'Delete Row Project' });
+
+    await createTimeEntryOnDateViaApi(ctx, {
+        date: monday,
+        duration: '2h',
+        projectId: project.id,
+    });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+
+    const rows = page.locator('[data-testid="timesheet_row"]');
+    await expect(rows).toHaveCount(1);
+
+    // Hover and click X
+    await rows.first().hover();
+    await rows.first().getByRole('button', { name: 'Remove row' }).click();
+
+    // Confirmation dialog should appear
+    await expect(page.getByRole('alertdialog')).toBeVisible();
+    await expect(page.getByText('Remove timesheet row?')).toBeVisible();
+
+    // Click Delete
+    await Promise.all([
+        page.waitForResponse(
+            (resp) =>
+                resp.url().includes('/time-entries') &&
+                resp.request().method() === 'DELETE' &&
+                resp.status() === 200
+        ),
+        page
+            .getByRole('alertdialog')
+            .getByRole('button', { name: /Delete/i })
+            .click(),
+    ]);
+
+    // Row should be gone
+    await expect(rows).toHaveCount(0);
+});
+
+// ──────────────────────────────────────────────────
+// Multiple Entries Same Cell
+// ──────────────────────────────────────────────────
+
+test('cell correctly sums multiple entries for same project+day', async ({ page, ctx }) => {
+    const monday = getCurrentWeekMonday();
+    const project = await createProjectViaApi(ctx, { name: 'Sum Test' });
+
+    // Create 2 entries for the same project on Monday
+    await createTimeEntryOnDateViaApi(ctx, {
+        date: monday,
+        duration: '1h',
+        projectId: project.id,
+        description: 'Entry 1',
+    });
+    await createTimeEntryOnDateViaApi(ctx, {
+        date: monday,
+        duration: '2h',
+        projectId: project.id,
+        description: 'Entry 2',
+    });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+
+    // Should be 1 row (both entries grouped)
+    const rows = page.locator('[data-testid="timesheet_row"]');
+    await expect(rows).toHaveCount(1);
+
+    // The Monday cell should show 3h total
+    const cells = rows.first().locator('[data-testid="timesheet_cell"]');
+    const mondayInput = cells.first().locator('input');
+    // The value should contain "3" (for 3h in some format)
+    await expect(mondayInput).toHaveValue(/3/);
+});
+
+// ──────────────────────────────────────────────────
+// Duration Input Formats
+// ──────────────────────────────────────────────────
+
+test('cell accepts various duration input formats', async ({ page, ctx }) => {
+    await createProjectViaApi(ctx, { name: 'Format Test' });
+
+    await Promise.all([goToTimesheet(page), waitForTimesheetLoad(page)]);
+
+    await chooseRowIdentity(page, 'Format Test');
+
+    const row = page.locator('[data-testid="timesheet_row"]').first();
+
+    // Test entering "1.5" (should be 1h 30min)
+    const cells = row.locator('[data-testid="timesheet_cell"]');
+    const mondayInput = cells.first().locator('input');
+
+    await mondayInput.click();
+    await mondayInput.fill('1.5');
+
+    await Promise.all([
+        page.waitForResponse(
+            (resp) =>
+                resp.url().includes('/time-entries') &&
+                resp.request().method() === 'POST' &&
+                resp.status() === 201
+        ),
+        mondayInput.press('Enter'),
+    ]);
+
+    // 1.5 hours = 1h 30min
+    await expect(mondayInput).toHaveValue('1h 30min');
+});

e2e/utils/api.ts

@@ -170,10 +170,24 @@ function parseDurationToSeconds(duration: string): number {
     return totalSeconds;
 }
 
+/**
+ * Builds a start/end pair anchored to 09:00 UTC on today's UTC date.
+ *
+ * Intentionally pinned to UTC (rather than the runner's local time) so
+ * the produced timestamps are identical regardless of where the suite
+ * runs. Playwright test users default to UTC, so this matches what the
+ * app will see and keeps day-of-week / "this week" assertions stable
+ * for developers running the suite locally in non-UTC timezones.
+ */
 function createTimestamps(duration: string): { start: string; end: string } {
     const durationSeconds = parseDurationToSeconds(duration);
     const now = new Date();
-    const start = new Date(now.getFullYear(), now.getMonth(), now.getDate(), 9, 0, 0);
+    const start = createUtcTimestampFromDateParts(
+        now.getUTCFullYear(),
+        now.getUTCMonth(),
+        now.getUTCDate(),
+        9
+    );
     const end = new Date(start.getTime() + durationSeconds * 1000);
 
     return {
@@ -186,6 +200,32 @@ function formatTimestamp(date: Date): string {
     return date.toISOString().replace(/\.\d{3}Z$/, 'Z');
 }
 
+function createUtcTimestampFromDateParts(
+    year: number,
+    month: number,
+    date: number,
+    hours: number,
+    minutes: number = 0,
+    seconds: number = 0
+): Date {
+    return new Date(Date.UTC(year, month, date, hours, minutes, seconds));
+}
+
+function createTimestampsOnDate(date: Date, duration: string): { start: string; end: string } {
+    const durationSeconds = parseDurationToSeconds(duration);
+    const start = createUtcTimestampFromDateParts(
+        date.getUTCFullYear(),
+        date.getUTCMonth(),
+        date.getUTCDate(),
+        9
+    );
+    const end = new Date(start.getTime() + durationSeconds * 1000);
+    return {
+        start: formatTimestamp(start),
+        end: formatTimestamp(end),
+    };
+}
+
 function randomColor(): string {
     const colors = [
         '#ef5350',
@@ -375,6 +415,39 @@ export async function createTimeEntryViaApi(
     return body.data as { id: string; start: string; end: string; description: string };
 }
 
+export async function createTimeEntryOnDateViaApi(
+    ctx: TestContext,
+    data: {
+        date: Date;
+        duration: string;
+        description?: string;
+        projectId?: string | null;
+        taskId?: string | null;
+        tags?: string[];
+        billable?: boolean;
+    }
+) {
+    const { start, end } = createTimestampsOnDate(data.date, data.duration);
+    const response = await ctx.request.post(
+        `${PLAYWRIGHT_BASE_URL}/api/v1/organizations/${ctx.orgId}/time-entries`,
+        {
+            data: {
+                member_id: ctx.memberId,
+                start,
+                end,
+                description: data.description ?? '',
+                project_id: data.projectId ?? null,
+                task_id: data.taskId ?? null,
+                tags: data.tags ?? [],
+                billable: data.billable ?? false,
+            },
+        }
+    );
+    expect(response.status()).toBe(201);
+    const body = await response.json();
+    return body.data as { id: string; start: string; end: string; description: string };
+}
+
 export async function createProjectMemberViaApi(
     ctx: TestContext,
     projectId: string,
@@ -613,6 +686,72 @@ export async function getInvitationsViaApi(ctx: TestContext) {
 // Timestamp-based time entry helpers
 // ──────────────────────────────────────────────────
 
+/**
+ * Creates a time entry on `date` at a specific UTC hour with a duration
+ * in seconds. Playwright test users default to the UTC timezone, so this
+ * keeps time-placement scenarios stable across runner locales.
+ */
+export async function createTimeEntryAtHourViaApi(
+    ctx: TestContext,
+    data: {
+        date: Date;
+        startHour: number;
+        startMinute?: number;
+        durationSeconds: number;
+        projectId?: string | null;
+        taskId?: string | null;
+        description?: string;
+    }
+) {
+    const start = createUtcTimestampFromDateParts(
+        data.date.getUTCFullYear(),
+        data.date.getUTCMonth(),
+        data.date.getUTCDate(),
+        data.startHour,
+        data.startMinute ?? 0
+    );
+    const end = new Date(start.getTime() + data.durationSeconds * 1000);
+    return createTimeEntryWithTimestampsViaApi(ctx, {
+        start: formatTimestamp(start),
+        end: formatTimestamp(end),
+        projectId: data.projectId ?? null,
+        taskId: data.taskId ?? null,
+        description: data.description ?? '',
+    });
+}
+
+/**
+ * Reads time entries for the current member, optionally filtered to a
+ * date range. Returns the raw API objects (id, start, end, project_id,
+ * etc.) so tests can assert on the database state after a UI action.
+ */
+export async function getTimeEntriesViaApi(
+    ctx: TestContext,
+    filters: { start?: string; end?: string } = {}
+): Promise<
+    Array<{
+        id: string;
+        start: string;
+        end: string | null;
+        duration: number | null;
+        project_id: string | null;
+        task_id: string | null;
+        description: string;
+    }>
+> {
+    const params = new URLSearchParams();
+    params.set('member_id', ctx.memberId);
+    if (filters.start) params.set('start', filters.start);
+    if (filters.end) params.set('end', filters.end);
+
+    const response = await ctx.request.get(
+        `${PLAYWRIGHT_BASE_URL}/api/v1/organizations/${ctx.orgId}/time-entries?${params.toString()}`
+    );
+    expect(response.status()).toBe(200);
+    const body = await response.json();
+    return body.data;
+}
+
 export async function createTimeEntryWithTimestampsViaApi(
     ctx: TestContext,
     data: {

package.json

@@ -12,10 +12,17 @@
         "lint": "eslint resources/js",
         "lint:fix": "eslint --fix resources/js",
         "type-check": "vue-tsc --noEmit",
+        "test:unit": "vitest run",
+        "test:unit:watch": "vitest",
         "test:e2e": "rm -rf test-results/.auth && npx playwright test",
         "zod:generate": "npx openapi-zod-client http://localhost:80/docs/api.json --output resources/js/packages/api/src/openapi.json.client.ts --base-url /api",
         "format": "prettier --write './**/*.{js,jsx,cjs,mjs,ts,tsx,cts,mts,vue}'",
-        "format:check": "prettier --check './**/*.{js,jsx,cjs,mjs,ts,tsx,cts,mts,vue}'"
+        "format:check": "prettier --check './**/*.{js,jsx,cjs,mjs,ts,tsx,cts,mts,vue}'",
+        "build:ui": "npm run build --workspace=@solidtime/ui",
+        "build:api": "npm run build --workspace=@solidtime/api",
+        "build:packages": "npm run build:api && npm run build:ui",
+        "watch:ui": "npm run watch --workspace=@solidtime/ui",
+        "watch:api": "npm run watch --workspace=@solidtime/api"
     },
     "devDependencies": {
         "@eslint/eslintrc": "^3.2.0",
@@ -27,10 +34,12 @@
         "@types/chroma-js": "^3.1.0",
         "@types/node": "^22.10.10",
         "@vitejs/plugin-vue": "^6.0.3",
+        "@vue/test-utils": "^2.4.6",
         "@vue/tsconfig": "^0.8.0",
         "autoprefixer": "^10.4.20",
         "axios": "^1.6.4",
         "eslint-plugin-unused-imports": "^4.1.4",
+        "happy-dom": "^20.8.9",
         "laravel-vite-plugin": "^2.1.0",
         "openapi-zod-client": "^1.16.2",
         "postcss": "^8.4.47",
@@ -40,6 +49,7 @@
         "typescript": "^5.7.3",
         "vite": "^7.0.0",
         "vite-plugin-checker": "^0.12.0",
+        "vitest": "^4.1.4",
         "vue": "^3.5.0",
         "vue-tsc": "^3.0.0"
     },
@@ -68,7 +78,7 @@
         "parse-duration": "^2.0.1",
         "pinia": "^3.0.0",
         "radix-vue": "^1.9.6",
-        "reka-ui": "^2.8.2",
+        "reka-ui": "2.8.2",
         "tailwind-merge": "^2.6.0",
         "tailwindcss-animate": "^1.0.7",
         "vue-echarts": "^8.0.0",

resources/js/Components/Common/Project/ProjectEditModal.vue

@@ -19,6 +19,7 @@ import { Field, FieldGroup, FieldLabel } from '@/packages/ui/src/field';
 import ProjectBillableRateModal from '@/packages/ui/src/Project/ProjectBillableRateModal.vue';
 import { getOrganizationCurrencyString } from '@/utils/money';
 import ProjectEditBillableSection from '@/packages/ui/src/Project/ProjectEditBillableSection.vue';
+import ProjectVisibilitySelect from '@/packages/ui/src/Project/ProjectVisibilitySelect.vue';
 import { isAllowedToPerformPremiumAction } from '@/utils/billing';
 import { useOrganizationQuery } from '@/utils/useOrganizationQuery';
 import { getCurrentOrganizationId } from '@/utils/useUser';
@@ -44,6 +45,7 @@ const project = ref<CreateProjectBody>({
     billable_rate: props.originalProject.billable_rate,
     is_billable: props.originalProject.is_billable,
     estimated_time: props.originalProject.estimated_time,
+    is_public: props.originalProject.is_public,
 });
 
 async function submit() {
@@ -126,6 +128,7 @@ async function submitBillableRate() {
                     v-if="isAllowedToPerformPremiumAction()"
                     v-model="project.estimated_time"
                     @submit="submit()"></EstimatedTimeSection>
+                <ProjectVisibilitySelect v-model="project.is_public"></ProjectVisibilitySelect>
             </FieldGroup>
         </template>
         <template #footer>

resources/js/Components/Common/Project/ProjectTable.vue

@@ -13,7 +13,8 @@ export type SortColumn =
     | 'spent_time'
     | 'progress'
     | 'billable_rate'
-    | 'status';
+    | 'status'
+    | 'visibility';
 export type SortDirection = 'asc' | 'desc';
 import { canCreateProjects } from '@/utils/permissions';
 import type { CreateProjectBody, Project, Client, CreateClientBody } from '@/packages/api/src';
@@ -102,6 +103,10 @@ const columns = computed(() => [
         id: 'status',
         accessorFn: (row: Project) => (row.is_archived ? 1 : 0),
     },
+    {
+        id: 'visibility',
+        accessorFn: (row: Project) => (row.is_public ? 1 : 0),
+    },
 ]);
 
 // Columns with sortDescFirst get desc as default direction on first click.
@@ -149,7 +154,7 @@ async function createClient(client: CreateClientBody): Promise<Client | undefine
 }
 
 const gridTemplate = computed(() => {
-    return `grid-template-columns: minmax(300px, 1fr) minmax(150px, auto) minmax(140px, auto) minmax(130px, auto) ${props.showBillableRate ? 'minmax(130px, auto)' : ''} minmax(120px, auto) 80px;`;
+    return `grid-template-columns: minmax(300px, 1fr) minmax(150px, auto) minmax(140px, auto) minmax(130px, auto) ${props.showBillableRate ? 'minmax(130px, auto)' : ''} minmax(120px, auto) minmax(120px, auto) 80px;`;
 });
 </script>
 
@@ -171,7 +176,7 @@ const gridTemplate = computed(() => {
                     :sort-direction="props.sortDirection"
                     :desc-first-columns="descFirstColumns"
                     @sort="handleSort"></ProjectTableHeading>
-                <div v-if="sortedProjects.length === 0" class="col-span-5 py-24 text-center">
+                <div v-if="sortedProjects.length === 0" class="col-span-full py-24 text-center">
                     <FolderPlusIcon class="w-8 text-icon-default inline pb-2"></FolderPlusIcon>
                     <h3 class="text-text-primary font-semibold">
                         {{

resources/js/Components/Common/Project/ProjectTableHeading.vue

@@ -86,6 +86,14 @@ function isChevronUp(column: SortColumn): boolean {
             <ChevronUpIcon v-else-if="isChevronUp('status')" class="w-4 h-4" />
             <span v-else class="w-4 h-4"></span>
         </div>
+        <div
+            class="px-3 py-1.5 text-left text-text-tertiary cursor-pointer hover:bg-secondary hover:text-text-primary transition-colors select-none flex items-center gap-1"
+            @click="handleSort('visibility')">
+            Visibility
+            <ChevronDownIcon v-if="isChevronDown('visibility')" class="w-4 h-4" />
+            <ChevronUpIcon v-else-if="isChevronUp('visibility')" class="w-4 h-4" />
+            <span v-else class="w-4 h-4"></span>
+        </div>
         <div class="relative py-1.5 pl-3 pr-4 sm:pr-6 lg:pr-8 3xl:pr-12">
             <span class="sr-only">Edit</span>
         </div>

resources/js/Components/Common/Project/ProjectTableRow.vue

@@ -7,6 +7,8 @@ import {
     PencilSquareIcon,
     ArchiveBoxIcon as ArchiveBoxIconSolid,
     TrashIcon,
+    GlobeAltIcon,
+    LockClosedIcon,
 } from '@heroicons/vue/20/solid';
 import { useClientsQuery } from '@/utils/useClientsQuery';
 import { useTasksQuery } from '@/utils/useTasksQuery';
@@ -141,6 +143,17 @@ const showEditProjectModal = ref(false);
                         <span>Active</span>
                     </template>
                 </div>
+                <div
+                    class="whitespace-nowrap px-3 py-4 text-sm text-text-primary flex space-x-1.5 items-center font-medium">
+                    <template v-if="project.is_public">
+                        <GlobeAltIcon class="w-4 text-icon-default"></GlobeAltIcon>
+                        <span>Public</span>
+                    </template>
+                    <template v-else>
+                        <LockClosedIcon class="w-4 text-icon-default"></LockClosedIcon>
+                        <span>Private</span>
+                    </template>
+                </div>
                 <div
                     class="relative whitespace-nowrap flex items-center pl-3 text-right text-sm font-medium pr-4 sm:pr-6 lg:pr-8 3xl:pr-12">
                     <ProjectMoreOptionsDropdown

resources/js/Components/Common/Project/ProjectVisibilityFilterBadge.vue

@@ -0,0 +1,46 @@
+<script setup lang="ts">
+import { computed } from 'vue';
+import { GlobeAltIcon } from '@heroicons/vue/16/solid';
+import { DropdownMenuItem } from '@/packages/ui/src';
+import BaseFilterBadge from './BaseFilterBadge.vue';
+
+type VisibilityValue = 'public' | 'private' | 'all';
+
+const props = defineProps<{
+    value: VisibilityValue;
+}>();
+
+const emit = defineEmits<{
+    remove: [];
+    'update:value': [value: VisibilityValue];
+}>();
+
+const visibilityOptions = [
+    { id: 'public' as const, name: 'Public' },
+    { id: 'private' as const, name: 'Private' },
+];
+
+const label = computed(() => {
+    return visibilityOptions.find((opt) => opt.id === props.value)?.name ?? 'Visibility';
+});
+
+function updateVisibility(visibility: VisibilityValue) {
+    emit('update:value', visibility);
+}
+</script>
+
+<template>
+    <BaseFilterBadge
+        :icon="GlobeAltIcon"
+        :label="label"
+        filter-name="Visibility"
+        @remove="emit('remove')">
+        <DropdownMenuItem
+            v-for="option in visibilityOptions"
+            :key="option.id"
+            :class="[value === option.id && 'bg-accent text-accent-foreground']"
+            @click="updateVisibility(option.id)">
+            {{ option.name }}
+        </DropdownMenuItem>
+    </BaseFilterBadge>
+</template>

resources/js/Components/Common/Project/ProjectsFilterDropdown.vue

@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { computed, ref } from 'vue';
-import { UserGroupIcon, CheckCircleIcon } from '@heroicons/vue/16/solid';
+import { UserGroupIcon, CheckCircleIcon, GlobeAltIcon } from '@heroicons/vue/16/solid';
 import ListFilterIcon from '@/packages/ui/src/Icons/ListFilterIcon.vue';
 import {
     DropdownMenu,
@@ -19,6 +19,7 @@ import { NO_CLIENT_ID } from './constants';
 
 export interface ProjectFilters {
     status: 'active' | 'archived' | 'all';
+    visibility: 'public' | 'private' | 'all';
     clientIds: string[];
 }
 
@@ -36,6 +37,11 @@ const statusOptions = [
     { id: 'archived' as const, name: 'Archived' },
 ];
 
+const visibilityOptions = [
+    { id: 'public' as const, name: 'Public' },
+    { id: 'private' as const, name: 'Private' },
+];
+
 const open = ref(false);
 
 function updateStatus(status: 'active' | 'archived' | 'all') {
@@ -46,6 +52,14 @@ function updateStatus(status: 'active' | 'archived' | 'all') {
     open.value = false;
 }
 
+function updateVisibility(visibility: 'public' | 'private' | 'all') {
+    emit('update:filters', {
+        ...props.filters,
+        visibility,
+    });
+    open.value = false;
+}
+
 function toggleClient(clientId: string) {
     const clientIds = props.filters.clientIds.includes(clientId)
         ? props.filters.clientIds.filter((id) => id !== clientId)
@@ -69,7 +83,11 @@ function toggleNoClient() {
 }
 
 const hasActiveFilters = computed(() => {
-    return props.filters.status !== 'all' || props.filters.clientIds.length > 0;
+    return (
+        props.filters.status !== 'all' ||
+        props.filters.visibility !== 'all' ||
+        props.filters.clientIds.length > 0
+    );
 });
 </script>
 
@@ -102,6 +120,25 @@ const hasActiveFilters = computed(() => {
                 </DropdownMenuSubContent>
             </DropdownMenuSub>
 
+            <!-- Visibility Filter -->
+            <DropdownMenuSub>
+                <DropdownMenuSubTrigger class="gap-2">
+                    <GlobeAltIcon class="h-4 w-4 text-icon-default" />
+                    <span>Visibility</span>
+                </DropdownMenuSubTrigger>
+                <DropdownMenuSubContent>
+                    <DropdownMenuItem
+                        v-for="option in visibilityOptions"
+                        :key="option.id"
+                        :class="[
+                            filters.visibility === option.id && 'bg-accent text-accent-foreground',
+                        ]"
+                        @click="updateVisibility(option.id)">
+                        {{ option.name }}
+                    </DropdownMenuItem>
+                </DropdownMenuSubContent>
+            </DropdownMenuSub>
+
             <!-- Client Filter -->
             <DropdownMenuSub v-if="clients.length > 0">
                 <DropdownMenuSubTrigger class="gap-2">

resources/js/Components/Timesheet/TimesheetCell.test.ts

@@ -0,0 +1,96 @@
+import { describe, expect, it } from 'vitest';
+import { mount } from '@vue/test-utils';
+import { nextTick } from 'vue';
+import TimesheetCell from './TimesheetCell.vue';
+import { formatHumanReadableDuration } from '@/packages/ui/src/utils/time';
+import type { TimesheetCell as TimesheetCellType } from '@/utils/useTimesheetGrid';
+
+function buildCell(totalSeconds: number): TimesheetCellType {
+    return {
+        dayIndex: 0,
+        date: '2026-04-13',
+        entries: [],
+        totalSeconds,
+    };
+}
+
+function mountTimesheetCell(totalSeconds = 2 * 3600) {
+    return mount(TimesheetCell, {
+        props: {
+            cell: buildCell(totalSeconds),
+            dayIndex: 0,
+            date: '2026-04-13',
+            isToday: false,
+            hasRunningEntry: false,
+        },
+    });
+}
+
+describe('TimesheetCell', () => {
+    it('emits 0 when the cleared value is committed on blur', async () => {
+        const wrapper = mountTimesheetCell();
+        const input = wrapper.get('input');
+
+        await input.trigger('focus');
+        await input.setValue('');
+        await input.trigger('blur');
+
+        expect(wrapper.emitted('update')).toEqual([[0]]);
+    });
+
+    it('emits 0 when the cleared value is committed with Enter', async () => {
+        const wrapper = mountTimesheetCell();
+        const input = wrapper.get('input');
+
+        await input.trigger('focus');
+        await input.setValue('');
+        await input.trigger('keydown', { key: 'Enter' });
+
+        expect(wrapper.emitted('update')).toEqual([[0]]);
+    });
+
+    it('restores the previous value and emits nothing on Escape', async () => {
+        const wrapper = mountTimesheetCell();
+        const input = wrapper.get('input');
+        const previousValue = formatHumanReadableDuration(2 * 3600, 'hours-minutes', 'point');
+
+        await input.trigger('focus');
+        await input.setValue('');
+        await input.trigger('keydown', { key: 'Escape' });
+        await nextTick();
+
+        expect(wrapper.emitted('update')).toBeUndefined();
+        expect((input.element as HTMLInputElement).value).toBe(previousValue);
+    });
+
+    it('shows a pending 0 (delete in flight) over the cell total', () => {
+        const wrapper = mount(TimesheetCell, {
+            props: {
+                cell: buildCell(2 * 3600),
+                dayIndex: 0,
+                date: '2026-04-13',
+                isToday: false,
+                hasRunningEntry: false,
+                pendingSeconds: 0,
+            },
+        });
+
+        // `??` (not `||`): a pending 0 must win over the 2h cell total.
+        expect((wrapper.get('input').element as HTMLInputElement).value).toBe('');
+    });
+
+    it('disables editing while the cell is saving', () => {
+        const wrapper = mount(TimesheetCell, {
+            props: {
+                cell: buildCell(2 * 3600),
+                dayIndex: 0,
+                date: '2026-04-13',
+                isToday: false,
+                hasRunningEntry: false,
+                saveStatus: 'saving',
+            },
+        });
+
+        expect((wrapper.get('input').element as HTMLInputElement).disabled).toBe(true);
+    });
+});

resources/js/Components/Timesheet/TimesheetCell.vue

@@ -1,5 +1,8 @@
 <script setup lang="ts">
+import { computed } from 'vue';
+import { CheckIcon } from '@heroicons/vue/16/solid';
 import DurationSecondsInput from '@/packages/ui/src/Input/DurationSecondsInput.vue';
+import LoadingSpinner from '@/packages/ui/src/LoadingSpinner.vue';
 import {
     Tooltip,
     TooltipContent,
@@ -7,18 +10,40 @@ import {
     TooltipTrigger,
 } from '@/packages/ui/src/tooltip';
 import type { TimesheetCell } from '@/utils/useTimesheetGrid';
+import type { CellSaveStatus } from '@/utils/timesheet/useTimesheetCellMutations';
 
-defineProps<{
+const props = defineProps<{
     cell?: TimesheetCell;
     dayIndex: number;
     date: string;
     isToday: boolean;
     hasRunningEntry: boolean;
+    saveStatus?: CellSaveStatus;
+    pendingSeconds?: number;
 }>();
 
 const emit = defineEmits<{
     update: [newSeconds: number];
 }>();
+
+// Show the optimistic value while saving; `??` (not `||`) so a pending 0 (delete) wins.
+const displaySeconds = computed(() => props.pendingSeconds ?? props.cell?.totalSeconds ?? 0);
+const isSaving = computed(() => props.saveStatus === 'saving');
+
+// Swap the border color (don't layer) to avoid same-specificity fights.
+const inputClass = computed(() => {
+    const border = props.saveStatus === 'error' ? 'border-red-500/70' : 'border-input-border';
+    return [
+        'w-[80px] mx-auto text-center font-medium',
+        'bg-transparent text-text-primary placeholder:text-text-quaternary',
+        'rounded-lg border shadow-none',
+        border,
+        'hover:bg-card-background',
+        'focus-visible:bg-tertiary focus-visible:border-transparent',
+        'focus-visible:ring-2 focus-visible:ring-ring focus-visible:outline-none',
+        'disabled:cursor-wait disabled:opacity-70',
+    ].join(' ');
+});
 </script>
 
 <template>
@@ -46,18 +71,26 @@ const emit = defineEmits<{
                 <TooltipContent> Stop the running time entry to edit the timesheet </TooltipContent>
             </Tooltip>
         </TooltipProvider>
-        <DurationSecondsInput
-            v-else
-            :model-value="cell?.totalSeconds ?? 0"
-            default-unit="hours"
-            placeholder="-"
-            size="sm"
-            input-class="w-[80px] mx-auto text-center font-medium
-                bg-transparent text-text-primary placeholder:text-text-quaternary
-                rounded-lg border border-input-border shadow-none
-                hover:bg-card-background
-                focus-visible:bg-tertiary focus-visible:border-transparent
-                focus-visible:ring-2 focus-visible:ring-ring focus-visible:outline-none"
-            @commit="(seconds) => emit('update', seconds ?? 0)" />
+        <template v-else>
+            <span class="relative inline-flex items-center">
+                <DurationSecondsInput
+                    :model-value="displaySeconds"
+                    default-unit="hours"
+                    placeholder="-"
+                    size="sm"
+                    :disabled="isSaving"
+                    :input-class="inputClass"
+                    @commit="(seconds) => emit('update', seconds ?? 0)" />
+                <span
+                    v-if="saveStatus === 'saving' || saveStatus === 'saved'"
+                    class="pointer-events-none absolute left-full top-1/2 ml-1.5 flex -translate-y-1/2 items-center"
+                    :aria-label="saveStatus === 'saving' ? 'Saving' : 'Saved'">
+                    <LoadingSpinner
+                        v-if="saveStatus === 'saving'"
+                        class="h-3 w-3 m-0 text-text-tertiary" />
+                    <CheckIcon v-else class="h-3 w-3 text-text-tertiary" />
+                </span>
+            </span>
+        </template>
     </div>
 </template>

resources/js/Components/Timesheet/TimesheetGrid.vue

@@ -15,6 +15,7 @@ import type {
     Task,
 } from '@/packages/api/src';
 import type { TimesheetRow as TimesheetRowType, TimesheetRowKey } from '@/utils/useTimesheetGrid';
+import type { CellSaveStatus } from '@/utils/timesheet/useTimesheetCellMutations';
 
 const organization = inject<ComputedRef<Organization>>('organization');
 const dayjs = getDayJsInstance();
@@ -36,6 +37,8 @@ defineProps<{
     createClient: (client: CreateClientBody) => Promise<Client | undefined>;
     createTag: (name: string) => Promise<Tag | undefined>;
     formatDuration: (seconds: number) => string;
+    cellStatuses: Record<string, CellSaveStatus>;
+    cellPendingSeconds: Record<string, number>;
 }>();
 
 const emit = defineEmits<{
@@ -60,7 +63,7 @@ const emit = defineEmits<{
                 class="grid min-w-full w-max border-y border-default-background-separator"
                 style="
                     grid-template-columns:
-                        minmax(420px, 1fr) repeat(7, minmax(96px, 120px)) minmax(100px, auto)
+                        minmax(420px, 1fr) repeat(7, minmax(116px, 120px)) minmax(100px, auto)
                         40px;
                 ">
                 <!-- Header row -->
@@ -100,6 +103,8 @@ const emit = defineEmits<{
                     :create-client="createClient"
                     :create-tag="createTag"
                     :format-duration="formatDuration"
+                    :cell-statuses="cellStatuses"
+                    :cell-pending-seconds="cellPendingSeconds"
                     @remove-row="$emit('remove-row', $event)"
                     @cell-update="
                         (dayIndex, seconds) => $emit('cell-update', row, dayIndex, seconds)
@@ -124,6 +129,7 @@ const emit = defineEmits<{
                         :create-client="createClient"
                         :organization-billable-rate="organization?.billable_rate ?? null"
                         :no-project-value="null"
+                        align="start"
                         @changed="(p, t) => emit('add-row', p, t)">
                         <template #trigger>
                             <Button variant="ghost" size="sm" class="text-text-secondary">
@@ -144,7 +150,7 @@ const emit = defineEmits<{
                     :key="dayIndex"
                     data-testid="timesheet_day_total"
                     :class="[
-                        'flex items-center justify-center border-t border-default-background-separator bg-secondary px-2 py-1 text-xs font-medium',
+                        'flex items-center justify-center border-t border-default-background-separator bg-background dark:bg-secondary px-2 py-1 text-xs font-medium',
                         weekDays[dayIndex] === todayDate
                             ? 'text-text-primary'
                             : 'text-text-secondary',
@@ -154,10 +160,11 @@ const emit = defineEmits<{
                     </span>
                 </div>
                 <div
-                    class="flex items-center justify-end border-t border-default-background-separator bg-secondary pl-3 pr-3 py-1 text-xs font-semibold text-text-primary">
+                    class="flex items-center justify-end border-t border-default-background-separator bg-background dark:bg-secondary pl-3 pr-3 py-1 text-xs font-semibold text-text-primary">
                     {{ weekTotalFormatted }}
                 </div>
-                <div class="border-t border-default-background-separator bg-secondary"></div>
+                <div
+                    class="border-t border-default-background-separator bg-background dark:bg-secondary"></div>
             </div>
         </div>
     </div>

resources/js/Components/Timesheet/TimesheetRow.vue

@@ -15,6 +15,10 @@ import type {
     Organization,
 } from '@/packages/api/src';
 import type { TimesheetRow, TimesheetRowKey } from '@/utils/useTimesheetGrid';
+import {
+    makeCellStatusKey,
+    type CellSaveStatus,
+} from '@/utils/timesheet/useTimesheetCellMutations';
 import { Button } from '@/packages/ui/src/Buttons';
 
 const organization = inject<ComputedRef<Organization>>('organization');
@@ -34,6 +38,8 @@ const props = defineProps<{
     createClient: (client: CreateClientBody) => Promise<Client | undefined>;
     createTag: (name: string) => Promise<Tag | undefined>;
     formatDuration: (seconds: number) => string;
+    cellStatuses: Record<string, CellSaveStatus>;
+    cellPendingSeconds: Record<string, number>;
 }>();
 
 const emit = defineEmits<{
@@ -109,6 +115,8 @@ function hasRunningEntry(dayIndex: number): boolean {
             :date="day"
             :is-today="day === todayDate"
             :has-running-entry="hasRunningEntry(dayIndex)"
+            :save-status="cellStatuses[makeCellStatusKey(row.key, dayIndex)]"
+            :pending-seconds="cellPendingSeconds[makeCellStatusKey(row.key, dayIndex)]"
             @update="(seconds) => emit('cellUpdate', dayIndex, seconds)" />
 
         <!-- Row total -->
@@ -124,6 +132,7 @@ function hasRunningEntry(dayIndex: number): boolean {
             <Button
                 variant="ghost"
                 size="icon"
+                aria-label="Remove row"
                 class="h-6 w-6 flex-shrink-0 opacity-0 group-hover:opacity-100 transition-opacity"
                 @click="emit('removeRow', row.key)">
                 <XMarkIcon class="h-3.5 w-3.5 text-icon-default" />

resources/js/Components/ui/alert-dialog/AlertDialogAction.vue

@@ -1,8 +1,8 @@
 <script setup lang="ts">
 import { buttonVariants } from '@/packages/ui/src';
+import { cn } from '@/lib/utils';
 import { AlertDialogAction, type AlertDialogActionProps } from 'reka-ui';
 import { computed, type HTMLAttributes } from 'vue';
-import { twMerge } from 'tailwind-merge';
 const props = defineProps<AlertDialogActionProps & { class?: HTMLAttributes['class'] }>();
 
 const delegatedProps = computed(() => {
@@ -13,7 +13,7 @@ const delegatedProps = computed(() => {
 </script>
 
 <template>
-    <AlertDialogAction v-bind="delegatedProps" :class="twMerge(buttonVariants(), props.class)">
+    <AlertDialogAction v-bind="delegatedProps" :class="cn(buttonVariants(), props.class)">
         <slot />
     </AlertDialogAction>
 </template>

resources/js/Components/ui/alert-dialog/AlertDialogCancel.vue

@@ -1,8 +1,8 @@
 <script setup lang="ts">
 import { buttonVariants } from '@/packages/ui/src';
+import { cn } from '@/lib/utils';
 import { AlertDialogCancel, type AlertDialogCancelProps } from 'reka-ui';
 import { computed, type HTMLAttributes } from 'vue';
-import { twMerge } from 'tailwind-merge';
 
 const props = defineProps<AlertDialogCancelProps & { class?: HTMLAttributes['class'] }>();
 
@@ -16,7 +16,7 @@ const delegatedProps = computed(() => {
 <template>
     <AlertDialogCancel
         v-bind="delegatedProps"
-        :class="twMerge(buttonVariants({ variant: 'outline' }), 'mt-2 sm:mt-0', props.class)">
+        :class="cn(buttonVariants({ variant: 'outline' }), 'mt-2 sm:mt-0', props.class)">
         <slot />
     </AlertDialogCancel>
 </template>

resources/js/Layouts/AppLayout.vue

@@ -293,7 +293,7 @@ const page = usePage<{
                 <div class="justify-self-end">
                     <UpdateSidebarNotification></UpdateSidebarNotification>
                     <ul
-                        class="border-t border-default-background-separator pt-3 gap-1 pr-2 flex justify-between items-center">
+                        class="border-t border-default-background-separator pt-3 gap-1 flex justify-between items-center">
                         <UserSettingsIcon></UserSettingsIcon>
 
                         <NavigationSidebarItem

resources/js/Pages/ProjectShow.vue

@@ -109,7 +109,7 @@ const shownTasks = computed(() => {
                         </div>
                     </li>
                 </ol>
-                <div class="px-4">
+                <div class="px-4 space-x-1">
                     <Badge v-if="project?.billable_rate">
                         {{ billableRateFormatted }}
                         / h
@@ -118,6 +118,7 @@ const shownTasks = computed(() => {
                         Default Rate
                     </Badge>
                     <Badge v-if="!project?.is_billable"> Non-Billable </Badge>
+                    <Badge>{{ project?.is_public ? 'Public' : 'Private' }}</Badge>
                 </div>
             </nav>
             <div>

resources/js/Pages/Projects.vue

@@ -20,6 +20,7 @@ import { isAllowedToPerformPremiumAction } from '@/utils/billing';
 import { useStorage } from '@vueuse/core';
 import ProjectsFilterDropdown from '@/Components/Common/Project/ProjectsFilterDropdown.vue';
 import ProjectStatusFilterBadge from '@/Components/Common/Project/ProjectStatusFilterBadge.vue';
+import ProjectVisibilityFilterBadge from '@/Components/Common/Project/ProjectVisibilityFilterBadge.vue';
 import ProjectClientFilterBadge from '@/Components/Common/Project/ProjectClientFilterBadge.vue';
 import { NO_CLIENT_ID } from '@/Components/Common/Project/constants';
 import type { SortColumn, SortDirection } from '@/Components/Common/Project/ProjectTable.vue';
@@ -36,6 +37,7 @@ interface ProjectTableState {
     filters: {
         clientIds: string[];
         status: 'active' | 'archived' | 'all';
+        visibility: 'public' | 'private' | 'all';
     };
 }
 
@@ -47,10 +49,17 @@ const tableState = useStorage<ProjectTableState>(
         filters: {
             clientIds: [],
             status: 'all',
+            visibility: 'all',
         },
     },
     undefined,
-    { mergeDefaults: true }
+    {
+        mergeDefaults: (storage, defaults) => ({
+            ...defaults,
+            ...storage,
+            filters: { ...defaults.filters, ...storage.filters },
+        }),
+    }
 );
 
 function handleSort(column: SortColumn, direction: SortDirection) {
@@ -69,6 +78,14 @@ const filteredProjects = computed(() => {
             return false;
         }
 
+        // Visibility filter
+        if (tableState.value.filters.visibility === 'public' && !project.is_public) {
+            return false;
+        }
+        if (tableState.value.filters.visibility === 'private' && project.is_public) {
+            return false;
+        }
+
         // Client filter
         const hasClientFilter = tableState.value.filters.clientIds.length > 0;
         if (hasClientFilter) {
@@ -91,6 +108,10 @@ function removeStatusFilter() {
     tableState.value.filters.status = 'all';
 }
 
+function removeVisibilityFilter() {
+    tableState.value.filters.visibility = 'all';
+}
+
 function removeClientFilter() {
     tableState.value.filters.clientIds = [];
 }
@@ -152,6 +173,15 @@ const showBillableRate = computed(() => {
                         tableState.filters.status = $event as 'active' | 'archived' | 'all'
                     " />
 
+                <ProjectVisibilityFilterBadge
+                    v-if="tableState.filters.visibility !== 'all'"
+                    data-testid="visibility-filter-badge"
+                    :value="tableState.filters.visibility"
+                    @remove="removeVisibilityFilter"
+                    @update:value="
+                        tableState.filters.visibility = $event as 'public' | 'private' | 'all'
+                    " />
+
                 <ProjectClientFilterBadge
                     v-if="tableState.filters.clientIds.length > 0"
                     data-testid="client-filter-badge"

resources/js/Pages/Teams/Partials/TeamMemberManager.vue

@@ -1,448 +0,0 @@
-<script setup lang="ts">
-import { computed, ref } from 'vue';
-import { router, useForm, usePage } from '@inertiajs/vue3';
-import ActionMessage from '@/Components/ActionMessage.vue';
-import ActionSection from '@/Components/ActionSection.vue';
-import ConfirmationModal from '@/Components/ConfirmationModal.vue';
-import DangerButton from '@/packages/ui/src/Buttons/DangerButton.vue';
-import DialogModal from '@/packages/ui/src/DialogModal.vue';
-import FormSection from '@/Components/FormSection.vue';
-import { Field, FieldLabel, FieldError } from '@/packages/ui/src/field';
-
-import PrimaryButton from '@/packages/ui/src/Buttons/PrimaryButton.vue';
-import SecondaryButton from '@/packages/ui/src/Buttons/SecondaryButton.vue';
-import SectionBorder from '@/Components/SectionBorder.vue';
-import TextInput from '@/packages/ui/src/Input/TextInput.vue';
-import type { Organization, OrganizationInvitation, User } from '@/types/models';
-import type { Membership, Permissions, Role } from '@/types/jetstream';
-import { filterRoles } from '@/utils/roles';
-
-type UserWithMembership = User & { membership: Membership };
-
-const props = defineProps<{
-    team: Organization;
-    availableRoles: Role[];
-    userPermissions: Permissions;
-}>();
-
-const users = computed(() => {
-    return props.team.users as Array<UserWithMembership>;
-});
-
-const page = usePage<{
-    auth: {
-        user: User;
-    };
-}>();
-
-const addTeamMemberForm = useForm({
-    email: '',
-    role: null as string | null,
-});
-
-const updateRoleForm = useForm({
-    role: null as string | null,
-});
-
-const leaveTeamForm = useForm({});
-const removeTeamMemberForm = useForm({});
-
-const currentlyManagingRole = ref(false);
-const managingRoleFor = ref<User | null>(null);
-const confirmingLeavingTeam = ref(false);
-const teamMemberBeingRemoved = ref<User | null>(null);
-
-const addTeamMember = () => {
-    addTeamMemberForm.post(route('team-members.store', props.team.id), {
-        errorBag: 'addTeamMember',
-        preserveScroll: true,
-        onSuccess: () => addTeamMemberForm.reset(),
-    });
-};
-
-const cancelTeamInvitation = (invitation: OrganizationInvitation) => {
-    router.delete(route('team-invitations.destroy', invitation.id), {
-        preserveScroll: true,
-    });
-};
-
-const manageRole = (teamMember: User & { membership: Membership }) => {
-    managingRoleFor.value = teamMember;
-    updateRoleForm.role = teamMember.membership.role;
-    currentlyManagingRole.value = true;
-};
-
-const updateRole = () => {
-    updateRoleForm.put(
-        route('team-members.update', {
-            team: props.team.id,
-            user: managingRoleFor.value?.id,
-        }),
-        {
-            preserveScroll: true,
-            onSuccess: () => (currentlyManagingRole.value = false),
-        }
-    );
-};
-
-const confirmLeavingTeam = () => {
-    confirmingLeavingTeam.value = true;
-};
-
-const leaveTeam = () => {
-    leaveTeamForm.delete(route('team-members.destroy', [props.team.id, page.props.auth.user.id]));
-};
-
-const confirmTeamMemberRemoval = (teamMember: User) => {
-    teamMemberBeingRemoved.value = teamMember;
-};
-
-const removeTeamMember = () => {
-    removeTeamMemberForm.delete(
-        route('team-members.destroy', {
-            team: props.team.id,
-            user: teamMemberBeingRemoved.value?.id,
-        }),
-        {
-            errorBag: 'removeTeamMember',
-            preserveScroll: true,
-            preserveState: true,
-            onSuccess: () => (teamMemberBeingRemoved.value = null),
-        }
-    );
-};
-
-const displayableRole = (role: string) => {
-    return props.availableRoles.find((r) => r.key === role)?.name;
-};
-</script>
-
-<template>
-    <div>
-        <div v-if="userPermissions.canAddTeamMembers">
-            <SectionBorder />
-
-            <!-- Add Organization Member -->
-            <FormSection @submitted="addTeamMember">
-                <template #title> Add Organization Member</template>
-
-                <template #description>
-                    Add a new member to your organization, allowing them to collaborate with you.
-                </template>
-
-                <template #form>
-                    <div class="col-span-6">
-                        <div class="max-w-xl text-sm text-muted">
-                            Please provide the email address of the person you would like to add to
-                            this organization.
-                        </div>
-                    </div>
-
-                    <!-- Member Email -->
-                    <Field class="col-span-6 sm:col-span-4">
-                        <FieldLabel for="email">Email</FieldLabel>
-                        <TextInput
-                            id="email"
-                            v-model="addTeamMemberForm.email"
-                            type="email"
-                            class="block w-full" />
-                        <FieldError v-if="addTeamMemberForm.errors.email">{{
-                            addTeamMemberForm.errors.email
-                        }}</FieldError>
-                    </Field>
-
-                    <!-- Role -->
-                    <div v-if="availableRoles.length > 0" class="col-span-6 lg:col-span-4">
-                        <FieldLabel for="roles">Role</FieldLabel>
-                        <FieldError v-if="addTeamMemberForm.errors.role">{{
-                            addTeamMemberForm.errors.role
-                        }}</FieldError>
-
-                        <div
-                            class="relative z-0 mt-1 border border-card-border rounded-lg cursor-pointer">
-                            <button
-                                v-for="(role, i) in filterRoles(availableRoles)"
-                                :key="role.key"
-                                type="button"
-                                class="relative px-4 py-3 inline-flex w-full rounded-lg focus:z-10 focus:outline-none focus:border-indigo-500 focus:ring-2 focus:ring-indigo-500"
-                                :class="{
-                                    'border-t border-card-border focus:border-none rounded-t-none':
-                                        i > 0,
-                                    'rounded-b-none': i != Object.keys(availableRoles).length - 1,
-                                }"
-                                @click="addTeamMemberForm.role = role.key">
-                                <div
-                                    :class="{
-                                        'opacity-50':
-                                            addTeamMemberForm.role &&
-                                            addTeamMemberForm.role != role.key,
-                                    }">
-                                    <!-- Role Name -->
-                                    <div class="flex items-center">
-                                        <div
-                                            class="text-sm text-text-primary"
-                                            :class="{
-                                                'font-semibold': addTeamMemberForm.role == role.key,
-                                            }">
-                                            {{ role.name }}
-                                        </div>
-
-                                        <svg
-                                            v-if="addTeamMemberForm.role == role.key"
-                                            class="ms-2 h-5 w-5 text-green-400"
-                                            xmlns="http://www.w3.org/2000/svg"
-                                            fill="none"
-                                            viewBox="0 0 24 24"
-                                            stroke-width="1.5"
-                                            stroke="currentColor">
-                                            <path
-                                                stroke-linecap="round"
-                                                stroke-linejoin="round"
-                                                d="M9 12.75L11.25 15 15 9.75M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
-                                        </svg>
-                                    </div>
-
-                                    <!-- Role Description -->
-                                    <div class="mt-2 text-xs text-muted text-start">
-                                        {{ role.description }}
-                                    </div>
-                                </div>
-                            </button>
-                        </div>
-                    </div>
-                </template>
-
-                <template #actions>
-                    <ActionMessage :on="addTeamMemberForm.recentlySuccessful" class="me-3">
-                        Added.
-                    </ActionMessage>
-
-                    <PrimaryButton
-                        :class="{ 'opacity-25': addTeamMemberForm.processing }"
-                        :disabled="addTeamMemberForm.processing">
-                        Add
-                    </PrimaryButton>
-                </template>
-            </FormSection>
-        </div>
-
-        <div v-if="team.team_invitations.length > 0 && userPermissions.canAddTeamMembers">
-            <SectionBorder />
-
-            <!-- Organization Member Invitations -->
-            <ActionSection class="mt-10 sm:mt-0">
-                <template #title> Pending Organization Invitations</template>
-
-                <template #description>
-                    These people have been invited to your organization and have been sent an
-                    invitation email. They may join the organization by accepting the email
-                    invitation.
-                </template>
-
-                <!-- Pending Organization Member Invitation List -->
-                <template #content>
-                    <div class="space-y-6">
-                        <div
-                            v-for="invitation in team.team_invitations"
-                            :key="invitation.id"
-                            class="flex items-center justify-between">
-                            <div class="text-muted">
-                                {{ invitation.email }}
-                            </div>
-
-                            <div class="flex items-center">
-                                <!-- Cancel Organization Invitation -->
-                                <button
-                                    v-if="userPermissions.canRemoveTeamMembers"
-                                    class="cursor-pointer ms-6 text-sm text-red-500 focus:outline-none"
-                                    @click="cancelTeamInvitation(invitation)">
-                                    Cancel
-                                </button>
-                            </div>
-                        </div>
-                    </div>
-                </template>
-            </ActionSection>
-        </div>
-
-        <div v-if="users.length > 0">
-            <SectionBorder />
-
-            <!-- Manage Organization Members -->
-            <ActionSection class="mt-10 sm:mt-0">
-                <template #title> Organization Members</template>
-
-                <template #description>
-                    All of the people that are part of this organization.
-                </template>
-
-                <!-- Organization Member List -->
-                <template #content>
-                    <div class="space-y-6">
-                        <div
-                            v-for="user in users"
-                            :key="user.id"
-                            class="flex items-center justify-between">
-                            <div class="flex items-center">
-                                <img
-                                    class="w-8 h-8 rounded-full object-cover"
-                                    :src="user.profile_photo_url"
-                                    :alt="user.name" />
-                                <div class="ms-4 text-text-primary">
-                                    {{ user.name }}
-                                </div>
-                            </div>
-
-                            <div class="flex items-center">
-                                <!-- Manage Organization Member Role -->
-                                <button
-                                    v-if="
-                                        userPermissions.canUpdateTeamMembers &&
-                                        availableRoles.length
-                                    "
-                                    class="ms-2 text-sm text-gray-400 underline"
-                                    @click="manageRole(user)">
-                                    {{ displayableRole(user.membership.role) }}
-                                </button>
-
-                                <div
-                                    v-else-if="availableRoles.length"
-                                    class="ms-2 text-sm text-gray-400">
-                                    {{ displayableRole(user.membership.role) }}
-                                </div>
-
-                                <!-- Leave Organization -->
-                                <button
-                                    v-if="page.props.auth.user.id === user.id"
-                                    class="cursor-pointer ms-6 text-sm text-red-500"
-                                    @click="confirmLeavingTeam">
-                                    Leave
-                                </button>
-
-                                <!-- Remove Organization Member -->
-                                <button
-                                    v-else-if="userPermissions.canRemoveTeamMembers"
-                                    class="cursor-pointer ms-6 text-sm text-red-500"
-                                    @click="confirmTeamMemberRemoval(user)">
-                                    Remove
-                                </button>
-                            </div>
-                        </div>
-                    </div>
-                </template>
-            </ActionSection>
-        </div>
-
-        <!-- Role Management Modal -->
-        <DialogModal :show="currentlyManagingRole" @close="currentlyManagingRole = false">
-            <template #title> Manage Role</template>
-
-            <template #content>
-                <div v-if="managingRoleFor">
-                    <div
-                        class="relative z-0 mt-1 border border-card-border rounded-lg cursor-pointer">
-                        <button
-                            v-for="(role, i) in availableRoles"
-                            :key="role.key"
-                            type="button"
-                            class="relative px-4 py-3 inline-flex w-full rounded-lg focus:z-10 focus:outline-none focus:border-indigo-500 focus:ring-2 focus:ring-indigo-500"
-                            :class="{
-                                'border-t border-card-border focus:border-none rounded-t-none':
-                                    i > 0,
-                                'rounded-b-none': i !== Object.keys(availableRoles).length - 1,
-                            }"
-                            @click="updateRoleForm.role = role.key">
-                            <div
-                                :class="{
-                                    'opacity-50':
-                                        updateRoleForm.role && updateRoleForm.role !== role.key,
-                                }">
-                                <!-- Role Name -->
-                                <div class="flex items-center">
-                                    <div
-                                        class="text-sm text-muted"
-                                        :class="{
-                                            'font-semibold': updateRoleForm.role === role.key,
-                                        }">
-                                        {{ role.name }}
-                                    </div>
-
-                                    <svg
-                                        v-if="updateRoleForm.role == role.key"
-                                        class="ms-2 h-5 w-5 text-green-400"
-                                        xmlns="http://www.w3.org/2000/svg"
-                                        fill="none"
-                                        viewBox="0 0 24 24"
-                                        stroke-width="1.5"
-                                        stroke="currentColor">
-                                        <path
-                                            stroke-linecap="round"
-                                            stroke-linejoin="round"
-                                            d="M9 12.75L11.25 15 15 9.75M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
-                                    </svg>
-                                </div>
-
-                                <!-- Role Description -->
-                                <div class="mt-2 text-xs text-muted">
-                                    {{ role.description }}
-                                </div>
-                            </div>
-                        </button>
-                    </div>
-                </div>
-            </template>
-
-            <template #footer>
-                <SecondaryButton @click="currentlyManagingRole = false"> Cancel </SecondaryButton>
-
-                <PrimaryButton
-                    class="ms-3"
-                    :class="{ 'opacity-25': updateRoleForm.processing }"
-                    :disabled="updateRoleForm.processing"
-                    @click="updateRole">
-                    Save
-                </PrimaryButton>
-            </template>
-        </DialogModal>
-
-        <!-- Leave Organization Confirmation Modal -->
-        <ConfirmationModal :show="confirmingLeavingTeam" @close="confirmingLeavingTeam = false">
-            <template #title> Leave Organization</template>
-
-            <template #content> Are you sure you would like to leave this organization? </template>
-
-            <template #footer>
-                <SecondaryButton @click="confirmingLeavingTeam = false"> Cancel </SecondaryButton>
-
-                <DangerButton
-                    class="ms-3"
-                    :class="{ 'opacity-25': leaveTeamForm.processing }"
-                    :disabled="leaveTeamForm.processing"
-                    @click="leaveTeam">
-                    Leave
-                </DangerButton>
-            </template>
-        </ConfirmationModal>
-
-        <!-- Remove Organization Member Confirmation Modal -->
-        <ConfirmationModal :show="!!teamMemberBeingRemoved" @close="teamMemberBeingRemoved = null">
-            <template #title> Remove Organization Member</template>
-
-            <template #content>
-                Are you sure you would like to remove this person from the organization?
-            </template>
-
-            <template #footer>
-                <SecondaryButton @click="teamMemberBeingRemoved = null"> Cancel </SecondaryButton>
-
-                <DangerButton
-                    class="ms-3"
-                    :class="{ 'opacity-25': removeTeamMemberForm.processing }"
-                    :disabled="removeTeamMemberForm.processing"
-                    @click="removeTeamMember">
-                    Remove
-                </DangerButton>
-            </template>
-        </ConfirmationModal>
-    </div>
-</template>

resources/js/Pages/Teams/Partials/UpdateTeamNameForm.vue

@@ -51,9 +51,6 @@ const updateTeamName = () => {
                             <div class="text-text-primary">
                                 {{ team.owner.name }}
                             </div>
-                            <div class="text-text-secondary text-sm">
-                                {{ team.owner.email }}
-                            </div>
                         </div>
                     </div>
                 </div>

resources/js/Pages/Timesheet.vue

@@ -90,7 +90,12 @@ const weekRangeDisplay = computed(() => {
 });
 
 // ── Cell / row mutation handlers ──────────────────────────────────
-const { handleCellUpdate } = useTimesheetCellMutations(weekDays, timeEntries, rows, removeSlot);
+const { handleCellUpdate, cellStatus, cellPendingSeconds } = useTimesheetCellMutations(
+    weekDays,
+    timeEntries,
+    rows,
+    removeSlot
+);
 
 const { handleRowIdentityChange, handleAddRow } = useTimesheetRowMutations(
     mutations,
@@ -167,6 +172,8 @@ async function createTag(name: string): Promise<Tag | undefined> {
                 :create-client="createClient"
                 :create-tag="createTag"
                 :format-duration="formatDuration"
+                :cell-statuses="cellStatus"
+                :cell-pending-seconds="cellPendingSeconds"
                 @remove-row="handleRemoveRow"
                 @cell-update="handleCellUpdate"
                 @project-task-change="

resources/js/packages/api/src/index.ts

@@ -114,6 +114,8 @@ export type ApiToken = ApiTokenIndexResponse['data'][0];
 
 export type DetailedInvoiceResponse = ZodiosResponseByAlias<SolidTimeApi, 'getInvoice'>;
 
+export type DetailedInvoice = DetailedInvoiceResponse['data'];
+
 export type InvoiceIndexEntry = ZodiosResponseByAlias<SolidTimeApi, 'getInvoices'>['data'][0];
 
 export type UpdateInvoiceSettings = ZodiosBodyByAlias<SolidTimeApi, 'updateInvoiceSettings'>;

resources/js/packages/api/src/openapi.json.client.ts

@@ -1886,6 +1886,54 @@ const endpoints = makeApi([
             },
         ],
     },
+    {
+        method: 'post',
+        path: '/v1/organizations/:organization/invoices/:invoice/copy',
+        alias: 'copyInvoice',
+        requestFormat: 'json',
+        parameters: [
+            {
+                name: 'body',
+                type: 'Body',
+                schema: z.object({ reference: z.string() }).passthrough(),
+            },
+            {
+                name: 'organization',
+                type: 'Path',
+                schema: z.string(),
+            },
+            {
+                name: 'invoice',
+                type: 'Path',
+                schema: z.string(),
+            },
+        ],
+        response: z.object({ data: DetailedInvoiceResource }).passthrough(),
+        errors: [
+            {
+                status: 401,
+                description: `Unauthenticated`,
+                schema: z.object({ message: z.string() }).passthrough(),
+            },
+            {
+                status: 403,
+                description: `Authorization error`,
+                schema: z.object({ message: z.string() }).passthrough(),
+            },
+            {
+                status: 404,
+                description: `Not found`,
+                schema: z.object({ message: z.string() }).passthrough(),
+            },
+            {
+                status: 422,
+                description: `Validation error`,
+                schema: z
+                    .object({ message: z.string(), errors: z.record(z.array(z.string())) })
+                    .passthrough(),
+            },
+        ],
+    },
     {
         method: 'get',
         path: '/v1/organizations/:organization/invoices/:invoice',

resources/js/packages/ui/src/Input/MultiselectDropdown.vue

@@ -35,7 +35,8 @@ watch(open, (isOpen) => {
         sortedItems.value = [...props.items].sort((a, b) => {
             const aSelected = model.value.includes(props.getKeyFromItem(a)) ? 0 : 1;
             const bSelected = model.value.includes(props.getKeyFromItem(b)) ? 0 : 1;
-            return aSelected - bSelected;
+            if (aSelected !== bSelected) return aSelected - bSelected;
+            return props.getNameForItem(a).localeCompare(props.getNameForItem(b));
         });
     }
 });

resources/js/packages/ui/src/Project/ProjectCreateModal.vue

@@ -15,6 +15,7 @@ import { UserCircleIcon } from '@heroicons/vue/20/solid';
 import EstimatedTimeSection from '@/packages/ui/src/EstimatedTimeSection.vue';
 import { Field, FieldGroup, FieldLabel } from '../field';
 import ProjectEditBillableSection from '@/packages/ui/src/Project/ProjectEditBillableSection.vue';
+import ProjectVisibilitySelect from '@/packages/ui/src/Project/ProjectVisibilitySelect.vue';
 import type { Client } from '@/packages/api/src';
 
 const show = defineModel('show', { default: false });
@@ -41,6 +42,7 @@ const project = ref<CreateProjectBody>({
     billable_rate: null,
     is_billable: false,
     estimated_time: null,
+    is_public: false,
 });
 
 async function submit() {
@@ -53,6 +55,7 @@ async function submit() {
         billable_rate: null,
         is_billable: false,
         estimated_time: null,
+        is_public: false,
     };
 }
 
@@ -123,6 +126,7 @@ const currentClientName = computed(() => {
                     v-if="enableEstimatedTime"
                     v-model="project.estimated_time"
                     @submit="submit()"></EstimatedTimeSection>
+                <ProjectVisibilitySelect v-model="project.is_public"></ProjectVisibilitySelect>
             </FieldGroup>
         </template>
         <template #footer>

resources/js/packages/ui/src/Project/ProjectVisibilitySelect.vue

@@ -0,0 +1,39 @@
+<script setup lang="ts">
+import { computed } from 'vue';
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '..';
+import { Field, FieldDescription, FieldLabel } from '../field';
+import { GlobeAltIcon } from '@heroicons/vue/20/solid';
+
+const isPublic = defineModel<boolean>({ default: false });
+
+const visibility = computed({
+    get: () => (isPublic.value ? 'public' : 'private'),
+    set: (value: string) => {
+        isPublic.value = value === 'public';
+    },
+});
+
+const description = computed(() =>
+    isPublic.value
+        ? 'This project is visible to all members of the organization.'
+        : 'This project is only visible to its project members.'
+);
+</script>
+
+<template>
+    <Field>
+        <FieldLabel :icon="GlobeAltIcon" for="visibility">Visibility</FieldLabel>
+        <Select v-model="visibility">
+            <SelectTrigger id="visibility">
+                <SelectValue />
+            </SelectTrigger>
+            <SelectContent>
+                <SelectItem value="private">Private</SelectItem>
+                <SelectItem value="public">Public</SelectItem>
+            </SelectContent>
+        </Select>
+        <FieldDescription>{{ description }}</FieldDescription>
+    </Field>
+</template>
+
+<style scoped></style>

resources/js/packages/ui/src/TimeTracker/TimeTrackerProjectTaskDropdown.test.ts

@@ -0,0 +1,90 @@
+/* eslint-disable vue/one-component-per-file */
+import { mount } from '@vue/test-utils';
+import { describe, expect, it, vi } from 'vitest';
+import { defineComponent, h, nextTick, onMounted } from 'vue';
+import TimeTrackerProjectTaskDropdown from './TimeTrackerProjectTaskDropdown.vue';
+import type { Client, Project, Task } from '@/packages/api/src';
+
+const DropdownStub = defineComponent({
+    props: {
+        modelValue: {
+            type: Boolean,
+            default: false,
+        },
+    },
+    emits: ['update:modelValue'],
+    setup(_, { emit, slots }) {
+        onMounted(() => emit('update:modelValue', true));
+        return () => h('div', [slots.trigger?.(), slots.content?.()]);
+    },
+});
+
+const FocusTrapStub = defineComponent({
+    setup(_, { slots }) {
+        return () => h('div', slots.default?.());
+    },
+});
+
+function mountDropdown(props: Record<string, unknown> = {}) {
+    return mount(TimeTrackerProjectTaskDropdown, {
+        props: {
+            project: null,
+            task: null,
+            projects: [] as Project[],
+            tasks: [] as Task[],
+            clients: [] as Client[],
+            createProject: vi.fn(),
+            createClient: vi.fn(),
+            currency: 'EUR',
+            enableEstimatedTime: false,
+            organizationBillableRate: null,
+            canCreateProject: false,
+            ...props,
+        },
+        global: {
+            stubs: {
+                Dropdown: DropdownStub,
+                UseFocusTrap: FocusTrapStub,
+            },
+        },
+    });
+}
+
+async function openDropdown() {
+    const wrapper = mountDropdown();
+    await nextTick();
+    await nextTick();
+    return wrapper;
+}
+
+describe('TimeTrackerProjectTaskDropdown', () => {
+    it('keeps the existing empty-string no-project value by default', async () => {
+        const wrapper = await openDropdown();
+
+        await wrapper.find('[data-project-id=""]').trigger('click');
+
+        expect(wrapper.emitted('update:project')?.at(-1)).toEqual(['']);
+        expect(wrapper.emitted('changed')?.at(-1)).toEqual(['', null]);
+    });
+
+    it('can emit null for no-project consumers that use null as the domain value', async () => {
+        const wrapper = mountDropdown({ project: 'p-1', noProjectValue: null });
+        await nextTick();
+        await nextTick();
+
+        await wrapper.find('[data-project-id=""]').trigger('click');
+
+        expect(wrapper.emitted('update:project')?.at(-1)).toEqual([null]);
+        expect(wrapper.emitted('changed')?.at(-1)).toEqual([null, null]);
+    });
+
+    it('still exposes "No Project" when projects are empty and project creation is allowed', async () => {
+        const wrapper = mountDropdown({ canCreateProject: true });
+        await nextTick();
+        await nextTick();
+
+        await wrapper.find('[data-project-id=""]').trigger('click');
+
+        expect(wrapper.emitted('changed')?.at(-1)).toEqual(['', null]);
+    });
+});

resources/js/packages/ui/src/calendar/CalendarCell.vue

@@ -1,7 +1,7 @@
 <script lang="ts" setup>
 import { CalendarCell, type CalendarCellProps, useForwardProps } from 'reka-ui';
 import { computed, type HTMLAttributes } from 'vue';
-import { twMerge } from 'tailwind-merge';
+import { cn } from '../utils/cn';
 
 const props = defineProps<CalendarCellProps & { class?: HTMLAttributes['class'] }>();
 
@@ -17,7 +17,7 @@ const forwardedProps = useForwardProps(delegatedProps);
 <template>
     <CalendarCell
         :class="
-            twMerge(
+            cn(
                 'relative p-0 text-center text-sm focus-within:relative focus-within:z-20 [&:has([data-selected])]:rounded-md [&:has([data-selected])]:bg-accent [&:has([data-selected][data-outside-view])]:bg-accent/50',
                 props.class
             )

resources/js/packages/ui/src/dialog/DialogContent.vue

@@ -31,7 +31,7 @@ const forwarded = useForwardPropsEmits(delegatedProps, emits);
         <div
             :class="
                 cn(
-                    'fixed top-0 left-0 z-50 pointer-events-none w-screen h-screen flex items-start px-2 pt-3 md:pt-20 xl:pt-32 justify-center overflow-auto'
+                    'fixed top-0 left-0 z-50 pointer-events-none w-screen h-screen flex items-start px-2 pt-3 md:pt-14 xl:pt-24 justify-center overflow-auto'
                 )
             ">
             <DialogContent

resources/js/packages/ui/src/field/FieldGroup.vue

@@ -12,7 +12,7 @@ const props = defineProps<{
         data-slot="field-group"
         :class="
             cn(
-                'group/field-group @container/field-group flex w-full flex-col gap-7 data-[slot=checkbox-group]:gap-3 [&>[data-slot=field-group]]:gap-4',
+                'group/field-group @container/field-group flex w-full flex-col gap-6 data-[slot=checkbox-group]:gap-3 [&>[data-slot=field-group]]:gap-4',
                 props.class
             )
         ">

resources/js/packages/ui/src/utils/time.test.ts

@@ -0,0 +1,44 @@
+import { describe, expect, test } from 'vitest';
+import { formatHumanReadableDuration, formatReportingDuration } from './time';
+
+const seconds = 14 * 3600 + 45 * 60 + 6; // 14h 45m 06s
+
+describe('formatHumanReadableDuration', () => {
+    test('decimal', () => {
+        expect(formatHumanReadableDuration(seconds, 'decimal', 'comma-point')).toBe('14.75 h');
+    });
+
+    test('hours-minutes', () => {
+        expect(formatHumanReadableDuration(seconds, 'hours-minutes')).toBe('14h 45min');
+    });
+
+    test('hours-minutes-colon-separated', () => {
+        expect(formatHumanReadableDuration(seconds, 'hours-minutes-colon-separated')).toBe('14:45');
+    });
+
+    test('hours-minutes-seconds-colon-separated', () => {
+        expect(formatHumanReadableDuration(seconds, 'hours-minutes-seconds-colon-separated')).toBe(
+            '14:45:06'
+        );
+    });
+});
+
+describe('formatReportingDuration', () => {
+    test('decimal', () => {
+        expect(formatReportingDuration(seconds, 'decimal', 'comma-point')).toBe('14.75 h');
+    });
+
+    test('hours-minutes', () => {
+        expect(formatReportingDuration(seconds, 'hours-minutes')).toBe('14:45:06');
+    });
+
+    test('hours-minutes-colon-separated', () => {
+        expect(formatReportingDuration(seconds, 'hours-minutes-colon-separated')).toBe('14:45:06');
+    });
+
+    test('hours-minutes-seconds-colon-separated', () => {
+        expect(formatReportingDuration(seconds, 'hours-minutes-seconds-colon-separated')).toBe(
+            '14:45:06'
+        );
+    });
+});

resources/js/test-setup.ts

@@ -0,0 +1,20 @@
+// Vitest setup file. Wires up the globals that the production code reads
+// off `window` (`getTimezoneSetting`, `getWeekStartSetting`, `getNumberFormat`,
+// `getIntervalFormat`) so that helpers under test don't crash when imported
+// outside the running app.
+
+import { vi } from 'vitest';
+
+declare global {
+    interface Window {
+        getTimezoneSetting: () => string;
+        getWeekStartSetting: () => string;
+        getNumberFormat: () => string;
+        getIntervalFormat: () => string;
+    }
+}
+
+window.getTimezoneSetting = vi.fn(() => 'UTC');
+window.getWeekStartSetting = vi.fn(() => 'monday');
+window.getNumberFormat = vi.fn(() => 'point');
+window.getIntervalFormat = vi.fn(() => 'hours-minutes');

resources/js/types/models.d.ts

@@ -22,9 +22,7 @@ export interface Organization {
     currency: string;
     created_at: string | null;
     updated_at: string | null;
-    owner: User;
-    users: User[];
-    team_invitations: OrganizationInvitation[];
+    owner: Pick<User, 'id' | 'name' | 'profile_photo_url'>;
 }
 export interface OrganizationInvitation {
     id: string;

resources/js/types/models.ts

@@ -29,9 +29,7 @@ export interface Organization {
     created_at: string | null;
     updated_at: string | null;
     // relations
-    owner: User;
-    users: User[];
-    team_invitations: OrganizationInvitation[];
+    owner: Pick<User, 'id' | 'name' | 'profile_photo_url'>;
 }
 
 export interface OrganizationInvitation {

resources/js/utils/timesheet/cellMath.test.ts

@@ -0,0 +1,348 @@
+import { describe, it, expect } from 'vitest';
+import dayjs from 'dayjs';
+import utc from 'dayjs/plugin/utc';
+import timezone from 'dayjs/plugin/timezone';
+import { findFreeWindowOnDay, freeGapSecondsAfter, NoFreeWindowError } from './cellMath';
+import type { TimeEntry } from '@/packages/api/src';
+
+dayjs.extend(utc);
+dayjs.extend(timezone);
+
+// All times in the tests are in UTC for clarity. The "day" we search is
+// 2026-04-10 in UTC (so we use tz='UTC' to avoid local-machine surprises).
+const TZ = 'UTC';
+const DATE = '2026-04-10';
+
+/** Build a fake TimeEntry from UTC ISO timestamps. */
+function entry(start: string, end: string | null, id = `e-${start}-${end}`): TimeEntry {
+    const startMs = dayjs.utc(start).valueOf();
+    const endMs = end ? dayjs.utc(end).valueOf() : startMs;
+    return {
+        id,
+        start,
+        end,
+        duration: end ? Math.floor((endMs - startMs) / 1000) : null,
+        description: '',
+        member_id: 'm-1',
+        project_id: null,
+        task_id: null,
+        billable: false,
+        tags: [],
+        // The grid only reads the fields above; the rest are placeholders
+        // to satisfy the TimeEntry type without pulling in real fixtures.
+        user_id: 'u-1',
+        organization_id: 'o-1',
+    } as unknown as TimeEntry;
+}
+
+const HOUR = 3600;
+
+describe('findFreeWindowOnDay', () => {
+    // ── Empty / trivial cases ──────────────────────────────────────
+
+    it('returns the start of the day for a totally empty day', () => {
+        const result = findFreeWindowOnDay([], DATE, HOUR, TZ);
+        expect(result).toEqual({
+            start: '2026-04-10T00:00:00Z',
+            end: '2026-04-10T01:00:00Z',
+        });
+    });
+
+    it('returns null for zero or negative required seconds', () => {
+        expect(findFreeWindowOnDay([], DATE, 0, TZ)).toBeNull();
+        expect(findFreeWindowOnDay([], DATE, -1, TZ)).toBeNull();
+    });
+
+    it('refuses any duration > 24h on principle (single-day constraint)', () => {
+        const result = findFreeWindowOnDay([], DATE, 25 * HOUR, TZ);
+        expect(result).toBeNull();
+    });
+
+    // ── Single obstacle, basic gap finding ────────────────────────
+
+    it('finds the gap before a single obstacle if it fits', () => {
+        const obs = [entry('2026-04-10T10:00:00Z', '2026-04-10T11:00:00Z')];
+        const result = findFreeWindowOnDay(obs, DATE, HOUR, TZ);
+        expect(result?.start).toBe('2026-04-10T00:00:00Z');
+        expect(result?.end).toBe('2026-04-10T01:00:00Z');
+    });
+
+    it('finds the gap after a single obstacle when preferredStart skips earlier gaps', () => {
+        const obs = [entry('2026-04-10T10:00:00Z', '2026-04-10T11:00:00Z')];
+        const result = findFreeWindowOnDay(obs, DATE, HOUR, TZ, '2026-04-10T11:00:00Z');
+        expect(result?.start).toBe('2026-04-10T11:00:00Z');
+        expect(result?.end).toBe('2026-04-10T12:00:00Z');
+    });
+
+    // ── Multi-obstacle gap walking ────────────────────────────────
+
+    it('finds a gap between two obstacles', () => {
+        const obs = [
+            entry('2026-04-10T08:00:00Z', '2026-04-10T10:00:00Z'),
+            entry('2026-04-10T12:00:00Z', '2026-04-10T14:00:00Z'),
+        ];
+        // Search for 2h, expecting the [00:00, 08:00) gap (8h available)
+        const result = findFreeWindowOnDay(obs, DATE, 2 * HOUR, TZ);
+        expect(result?.start).toBe('2026-04-10T00:00:00Z');
+    });
+
+    it('walks past gaps that are too small', () => {
+        const obs = [
+            entry('2026-04-10T00:30:00Z', '2026-04-10T10:00:00Z'),
+            entry('2026-04-10T11:00:00Z', '2026-04-10T12:00:00Z'),
+        ];
+        // First gap is 30min, second gap is 1h, third is 12h.
+        // Asking for 90min → first two gaps are too small, third fits.
+        const result = findFreeWindowOnDay(obs, DATE, 90 * 60, TZ);
+        expect(result?.start).toBe('2026-04-10T12:00:00Z');
+    });
+
+    it('uses preferredStart even when it lands inside a gap', () => {
+        const obs = [
+            entry('2026-04-10T00:00:00Z', '2026-04-10T08:00:00Z'),
+            entry('2026-04-10T12:00:00Z', '2026-04-10T14:00:00Z'),
+        ];
+        // preferredStart 09:00 → gap is [09:00, 12:00) = 3h
+        const result = findFreeWindowOnDay(obs, DATE, 2 * HOUR, TZ, '2026-04-10T09:00:00Z');
+        expect(result?.start).toBe('2026-04-10T09:00:00Z');
+        expect(result?.end).toBe('2026-04-10T11:00:00Z');
+    });
+
+    it('skips ahead when preferredStart lands inside an obstacle', () => {
+        const obs = [entry('2026-04-10T08:00:00Z', '2026-04-10T12:00:00Z')];
+        // preferredStart 10:00 lands inside [08:00, 12:00). We must
+        // advance to the next free position (12:00).
+        const result = findFreeWindowOnDay(obs, DATE, HOUR, TZ, '2026-04-10T10:00:00Z');
+        expect(result?.start).toBe('2026-04-10T12:00:00Z');
+    });
+
+    // ── Spillover from previous day ───────────────────────────────
+
+    it('treats an entry that started yesterday but ends today as an obstacle', () => {
+        // Yesterday 23:00 → today 02:00 → blocks the first 2h of today.
+        const obs = [entry('2026-04-09T23:00:00Z', '2026-04-10T02:00:00Z')];
+        const result = findFreeWindowOnDay(obs, DATE, HOUR, TZ);
+        expect(result?.start).toBe('2026-04-10T02:00:00Z');
+    });
+
+    it('ignores an entry that ended exactly at the start of the day', () => {
+        // Yesterday 22:00 → today 00:00 (exclusive) → does NOT block today.
+        const obs = [entry('2026-04-09T22:00:00Z', '2026-04-10T00:00:00Z')];
+        const result = findFreeWindowOnDay(obs, DATE, HOUR, TZ);
+        expect(result?.start).toBe('2026-04-10T00:00:00Z');
+    });
+
+    // ── Running entries ────────────────────────────────────────────
+
+    it('treats a running entry as blocking up to "now"', () => {
+        const obs = [entry('2026-04-10T08:00:00Z', null)];
+        const now = '2026-04-10T10:30:00Z';
+        // The running entry blocks 08:00–10:30 → first free window is
+        // either before 08:00 (8h available, fits a 1h request).
+        const result = findFreeWindowOnDay(obs, DATE, HOUR, TZ, null, now);
+        expect(result?.start).toBe('2026-04-10T00:00:00Z');
+    });
+
+    it('places after a running entry when preferredStart pushes past it', () => {
+        const obs = [entry('2026-04-10T08:00:00Z', null)];
+        const now = '2026-04-10T10:30:00Z';
+        const result = findFreeWindowOnDay(obs, DATE, HOUR, TZ, '2026-04-10T09:00:00Z', now);
+        // preferredStart 09:00 lands inside the running entry's blocked
+        // range [08:00, 10:30) → must skip to 10:30.
+        expect(result?.start).toBe('2026-04-10T10:30:00Z');
+    });
+
+    // ── Midnight refusal ──────────────────────────────────────────
+
+    it('refuses to return a window that would cross midnight', () => {
+        const obs = [entry('2026-04-10T00:00:00Z', '2026-04-10T22:30:00Z')];
+        // Only 90min remain in the day. Asking for 2h → null.
+        const result = findFreeWindowOnDay(obs, DATE, 2 * HOUR, TZ);
+        expect(result).toBeNull();
+    });
+
+    it('accepts a window that ends exactly at midnight', () => {
+        const obs = [entry('2026-04-10T00:00:00Z', '2026-04-10T22:00:00Z')];
+        // Exactly 2h remain → 22:00–00:00.
+        const result = findFreeWindowOnDay(obs, DATE, 2 * HOUR, TZ);
+        expect(result?.start).toBe('2026-04-10T22:00:00Z');
+        expect(result?.end).toBe('2026-04-11T00:00:00Z');
+    });
+
+    // ── Pre-existing overlapping obstacles ────────────────────────
+
+    it('merges overlapping obstacles before computing gaps', () => {
+        const obs = [
+            entry('2026-04-10T09:00:00Z', '2026-04-10T11:00:00Z'),
+            entry('2026-04-10T10:00:00Z', '2026-04-10T13:00:00Z'),
+            entry('2026-04-10T15:00:00Z', '2026-04-10T16:00:00Z'),
+        ];
+        // Effective obstacles: [09:00, 13:00) and [15:00, 16:00)
+        // First gap is [00:00, 09:00) = 9h. Asking for 2h → 00:00.
+        const result = findFreeWindowOnDay(obs, DATE, 2 * HOUR, TZ);
+        expect(result?.start).toBe('2026-04-10T00:00:00Z');
+    });
+
+    // ── Day full ──────────────────────────────────────────────────
+
+    it('returns null when no gap is large enough', () => {
+        const obs = [
+            entry('2026-04-10T00:00:00Z', '2026-04-10T11:00:00Z'),
+            entry('2026-04-10T11:30:00Z', '2026-04-10T22:00:00Z'),
+            entry('2026-04-10T22:30:00Z', '2026-04-10T23:30:00Z'),
+        ];
+        // Gaps: 30min, 30min, 30min. Asking for 1h → null.
+        const result = findFreeWindowOnDay(obs, DATE, HOUR, TZ);
+        expect(result).toBeNull();
+    });
+
+    // ── Timezone awareness ────────────────────────────────────────
+
+    it('respects the user timezone for day boundaries', () => {
+        // In Pacific/Auckland (+13 in April 2026), 2026-04-10 starts at
+        // 2026-04-09T11:00:00Z (NZDT was UTC+13 until April 5 2026, then
+        // NZST UTC+12 — let's pick a date in NZST so the offset is +12).
+        // 2026-04-10 NZST = 2026-04-09T12:00:00Z to 2026-04-10T12:00:00Z
+        const tz = 'Pacific/Auckland';
+        const obs = [
+            // This entry is at 2026-04-10T08:00:00Z = 2026-04-10T20:00 NZ
+            // → falls in the NZ day for 2026-04-10. So it blocks from
+            // 20:00 to 21:00 NZ time.
+            entry('2026-04-10T08:00:00Z', '2026-04-10T09:00:00Z'),
+        ];
+        const result = findFreeWindowOnDay(obs, '2026-04-10', HOUR, tz);
+        // Day starts at 2026-04-09T12:00:00Z in NZST. First gap is the
+        // 20h before the obstacle starts.
+        expect(result?.start).toBe('2026-04-09T12:00:00Z');
+    });
+
+    it('does not place work past local midnight on spring-forward days', () => {
+        const tz = 'Europe/Vienna';
+        const obs = [entry('2026-03-28T23:00:00Z', '2026-03-29T22:00:00Z')];
+
+        const result = findFreeWindowOnDay(obs, '2026-03-29', HOUR, tz);
+
+        expect(result).toBeNull();
+    });
+
+    it('can use the final local hour on fall-back days', () => {
+        const tz = 'Europe/Vienna';
+
+        const result = findFreeWindowOnDay([], '2026-10-25', HOUR, tz, '2026-10-25T22:00:00Z');
+
+        expect(result).toEqual({
+            start: '2026-10-25T22:00:00Z',
+            end: '2026-10-25T23:00:00Z',
+        });
+    });
+});
+
+describe('freeGapSecondsAfter', () => {
+    it('returns the rest of the day for an empty day', () => {
+        const result = freeGapSecondsAfter([], DATE, TZ, '2026-04-10T09:00:00Z');
+        // 09:00 → 24:00 = 15 hours
+        expect(result).toBe(15 * HOUR);
+    });
+
+    it('returns 0 when cursor is at end-of-day', () => {
+        const result = freeGapSecondsAfter([], DATE, TZ, '2026-04-11T00:00:00Z');
+        expect(result).toBe(0);
+    });
+
+    it('returns 0 when cursor is after end-of-day', () => {
+        const result = freeGapSecondsAfter([], DATE, TZ, '2026-04-11T05:00:00Z');
+        expect(result).toBe(0);
+    });
+
+    it('returns 0 when cursor is before the day starts', () => {
+        const result = freeGapSecondsAfter([], DATE, TZ, '2026-04-09T23:00:00Z');
+        expect(result).toBe(0);
+    });
+
+    it('returns the gap to the next obstacle', () => {
+        const obs = [entry('2026-04-10T11:00:00Z', '2026-04-10T12:00:00Z')];
+        // cursor 09:00 → next obstacle 11:00 → 2h gap
+        const result = freeGapSecondsAfter(obs, DATE, TZ, '2026-04-10T09:00:00Z');
+        expect(result).toBe(2 * HOUR);
+    });
+
+    it('returns 0 when cursor sits inside an obstacle', () => {
+        const obs = [entry('2026-04-10T08:00:00Z', '2026-04-10T12:00:00Z')];
+        const result = freeGapSecondsAfter(obs, DATE, TZ, '2026-04-10T10:00:00Z');
+        expect(result).toBe(0);
+    });
+
+    it('returns the rest of the day when no obstacle is ahead', () => {
+        const obs = [entry('2026-04-10T08:00:00Z', '2026-04-10T09:00:00Z')];
+        const result = freeGapSecondsAfter(obs, DATE, TZ, '2026-04-10T09:00:00Z');
+        // 09:00 → 24:00 = 15h
+        expect(result).toBe(15 * HOUR);
+    });
+
+    it('skips obstacles strictly before the cursor', () => {
+        const obs = [
+            entry('2026-04-10T08:00:00Z', '2026-04-10T09:00:00Z'),
+            entry('2026-04-10T15:00:00Z', '2026-04-10T16:00:00Z'),
+        ];
+        // cursor 09:00 → first obstacle (08-09) is behind, next is 15:00 → 6h
+        const result = freeGapSecondsAfter(obs, DATE, TZ, '2026-04-10T09:00:00Z');
+        expect(result).toBe(6 * HOUR);
+    });
+
+    it('treats a running entry as blocking up to "now"', () => {
+        const obs = [entry('2026-04-10T08:00:00Z', null)];
+        const now = '2026-04-10T10:00:00Z';
+        // cursor 11:00 is after the running entry's effective end (10:00),
+        // so the gap is the rest of the day = 13h
+        const result = freeGapSecondsAfter(obs, DATE, TZ, '2026-04-10T11:00:00Z', now);
+        expect(result).toBe(13 * HOUR);
+    });
+
+    it('returns 0 when cursor is inside a running entry (cursor < now)', () => {
+        const obs = [entry('2026-04-10T08:00:00Z', null)];
+        const now = '2026-04-10T12:00:00Z';
+        // cursor 10:00 falls inside [08:00, 12:00) → blocked
+        const result = freeGapSecondsAfter(obs, DATE, TZ, '2026-04-10T10:00:00Z', now);
+        expect(result).toBe(0);
+    });
+
+    it('clips the gap to midnight, never beyond', () => {
+        const obs = [entry('2026-04-10T08:00:00Z', '2026-04-10T09:00:00Z')];
+        // cursor 23:00 → 1h until midnight
+        const result = freeGapSecondsAfter(obs, DATE, TZ, '2026-04-10T23:00:00Z');
+        expect(result).toBe(HOUR);
+    });
+
+    it('clips spring-forward days at the next local midnight', () => {
+        const result = freeGapSecondsAfter(
+            [],
+            '2026-03-29',
+            'Europe/Vienna',
+            '2026-03-29T22:00:00Z'
+        );
+
+        expect(result).toBe(0);
+    });
+
+    it('includes the final local hour on fall-back days', () => {
+        const result = freeGapSecondsAfter(
+            [],
+            '2026-10-25',
+            'Europe/Vienna',
+            '2026-10-25T22:00:00Z'
+        );
+
+        expect(result).toBe(HOUR);
+    });
+});
+
+describe('NoFreeWindowError', () => {
+    it('carries the date and required seconds', () => {
+        const err = new NoFreeWindowError('2026-04-10', 7200);
+        expect(err.code).toBe('no_free_window');
+        expect(err.date).toBe('2026-04-10');
+        expect(err.requiredSeconds).toBe(7200);
+        expect(err.message).toContain('2026-04-10');
+        expect(err instanceof Error).toBe(true);
+    });
+});

resources/js/utils/timesheet/cellMath.ts

@@ -28,10 +28,14 @@ interface Interval {
 
 function localDayBounds(date: string, tz: string): { dayStart: Dayjs; dayEnd: Dayjs } {
     const dayjs = getDayJsInstance();
-    const localDayStart = dayjs.tz(`${date} 00:00:00`, tz);
+    // `.add(1, 'day')` on a Dayjs instance advances by a fixed 24h, which is
+    // wrong on DST-transition days (the local day is 23h or 25h long). Derive
+    // the next calendar date in UTC (no DST) and take its local midnight, so
+    // `dayEnd` is always the real next local midnight.
+    const nextDate = dayjs.utc(date).add(1, 'day').format('YYYY-MM-DD');
     return {
-        dayStart: localDayStart.utc(),
-        dayEnd: localDayStart.add(1, 'day').utc(),
+        dayStart: dayjs.tz(`${date} 00:00:00`, tz).utc(),
+        dayEnd: dayjs.tz(`${nextDate} 00:00:00`, tz).utc(),
     };
 }
 

resources/js/utils/timesheet/useTimesheetCellMutations.test.ts

@@ -0,0 +1,667 @@
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
+import { ref } from 'vue';
+import { createPinia, setActivePinia } from 'pinia';
+import { useTimesheetCellMutations, makeCellStatusKey } from './useTimesheetCellMutations';
+import { api } from '@/packages/api/src';
+import type { TimesheetRow, TimesheetCell } from '@/utils/useTimesheetGrid';
+import type { TimeEntry } from '@/packages/api/src';
+
+const addNotification = vi.fn();
+
+vi.mock('@/utils/useUser', () => ({
+    getCurrentOrganizationId: vi.fn(() => 'org-1'),
+    getCurrentMembershipId: vi.fn(() => 'mem-1'),
+}));
+
+vi.mock('@tanstack/vue-query', () => ({
+    useQueryClient: () => ({
+        invalidateQueries: vi.fn(),
+    }),
+}));
+
+vi.mock('@/utils/notification', () => ({
+    useNotificationsStore: () => ({
+        addNotification,
+    }),
+}));
+
+vi.mock('@/packages/api/src', () => ({
+    api: {
+        createTimeEntry: vi.fn(async () => ({ data: { id: 'new-id' } })),
+        updateTimeEntry: vi.fn(async () => undefined),
+        deleteTimeEntry: vi.fn(async () => undefined),
+        deleteTimeEntries: vi.fn(async () => undefined),
+    },
+}));
+
+// All scenarios use UTC so the local "day" matches the UTC day exactly
+// (the test-setup mocks getTimezoneSetting to return 'UTC').
+
+const DATE = '2026-04-10';
+const HOUR = 3600;
+
+function entry(start: string, end: string | null, overrides: Partial<TimeEntry> = {}): TimeEntry {
+    const startMs = new Date(start).valueOf();
+    const endMs = end ? new Date(end).valueOf() : startMs;
+    return {
+        id: overrides.id ?? `e-${start}-${end ?? 'running'}`,
+        start,
+        end,
+        duration: end ? Math.floor((endMs - startMs) / 1000) : null,
+        description: '',
+        member_id: 'm-1',
+        project_id: 'p-1',
+        task_id: null,
+        billable: false,
+        tags: [],
+        ...overrides,
+    } as unknown as TimeEntry;
+}
+
+function buildCell(entries: TimeEntry[]): TimesheetCell {
+    return {
+        dayIndex: 0,
+        date: DATE,
+        entries,
+        totalSeconds: entries.reduce((sum, e) => sum + (e.duration ?? 0), 0),
+    };
+}
+
+function buildRow(
+    projectId: string | null,
+    entries: TimeEntry[],
+    key = `${projectId}:null`
+): TimesheetRow {
+    const cell = buildCell(entries);
+    return {
+        key,
+        projectId,
+        taskId: null,
+        billable: false,
+        tags: [],
+        cells: new Map([[0, cell]]),
+        totalSeconds: cell.totalSeconds,
+    };
+}
+
+function buildEmptyRow(projectId: string | null, key = `${projectId}:null`): TimesheetRow {
+    return {
+        key,
+        projectId,
+        taskId: null,
+        billable: false,
+        tags: [],
+        cells: new Map(),
+        totalSeconds: 0,
+    };
+}
+
+/** Shape of the body the cell-mutation logic passes to api.createTimeEntry. */
+interface CapturedEntry {
+    id?: string;
+    start: string;
+    end: string | null;
+    project_id?: string | null;
+    task_id?: string | null;
+    description?: string | null;
+}
+
+const apiMocks = vi.mocked(api);
+
+function firstArg(
+    mock: typeof apiMocks.createTimeEntry | typeof apiMocks.updateTimeEntry
+): CapturedEntry {
+    return mock.mock.calls[0]?.[0] as unknown as CapturedEntry;
+}
+
+function setup(
+    allEntries: TimeEntry[],
+    rowsValue: TimesheetRow[] = [],
+    removeSlot: (key: string) => void = () => undefined
+) {
+    const cellMutations = useTimesheetCellMutations(
+        ref([
+            DATE,
+            '2026-04-11',
+            '2026-04-12',
+            '2026-04-13',
+            '2026-04-14',
+            '2026-04-15',
+            '2026-04-16',
+        ]),
+        ref(allEntries),
+        ref(rowsValue),
+        removeSlot
+    );
+
+    return { cellMutations };
+}
+
+beforeEach(() => {
+    setActivePinia(createPinia());
+    apiMocks.createTimeEntry.mockClear();
+    apiMocks.updateTimeEntry.mockClear();
+    apiMocks.deleteTimeEntry.mockClear();
+    apiMocks.deleteTimeEntries.mockClear();
+    addNotification.mockClear();
+    // Lock the clock to mid-afternoon on the test day so running-entry
+    // tests have a deterministic "now". Past 12:00 to make spillover
+    // scenarios meaningful.
+    vi.useFakeTimers();
+    vi.setSystemTime(new Date('2026-04-10T14:00:00Z'));
+});
+
+afterEach(() => {
+    vi.useRealTimers();
+});
+
+describe('useTimesheetCellMutations.handleCellUpdate', () => {
+    // ── No-op ─────────────────────────────────────────────────────
+
+    it('does nothing when the diff is zero', async () => {
+        const { cellMutations } = setup([]);
+        const row = buildRow('p-1', [entry('2026-04-10T09:00:00Z', '2026-04-10T10:00:00Z')]);
+        await cellMutations.handleCellUpdate(row, 0, HOUR);
+
+        expect(apiMocks.createTimeEntry).not.toHaveBeenCalled();
+        expect(apiMocks.updateTimeEntry).not.toHaveBeenCalled();
+        expect(apiMocks.deleteTimeEntry).not.toHaveBeenCalled();
+        expect(apiMocks.deleteTimeEntries).not.toHaveBeenCalled();
+    });
+
+    // ── Delete cell ───────────────────────────────────────────────
+
+    it('clearing a cell deletes all entries in it', async () => {
+        const cellEntry = entry('2026-04-10T09:00:00Z', '2026-04-10T10:00:00Z');
+        const { cellMutations } = setup([cellEntry]);
+        const row = buildRow('p-1', [cellEntry]);
+
+        await cellMutations.handleCellUpdate(row, 0, 0);
+
+        expect(apiMocks.deleteTimeEntries).toHaveBeenCalledTimes(1);
+        const [, options] = apiMocks.deleteTimeEntries.mock.calls[0]!;
+        expect(options?.queries?.ids).toEqual([cellEntry.id]);
+        expect(options?.params?.organization).toBe('org-1');
+    });
+
+    // ── Create cell (Phase 1) ──────────────────────────────────────
+
+    describe('createCell', () => {
+        it('places a new entry at 09:00 on an empty day', async () => {
+            const { cellMutations } = setup([]);
+            const row = buildEmptyRow('p-1');
+
+            await cellMutations.handleCellUpdate(row, 0, HOUR);
+
+            expect(apiMocks.createTimeEntry).toHaveBeenCalledTimes(1);
+            const arg = firstArg(apiMocks.createTimeEntry);
+            expect(arg.start).toBe('2026-04-10T09:00:00Z');
+            expect(arg.end).toBe('2026-04-10T10:00:00Z');
+            expect(arg.project_id).toBe('p-1');
+        });
+
+        it('passes no-project rows to the API as null', async () => {
+            const { cellMutations } = setup([]);
+            const row = buildEmptyRow(null);
+
+            await cellMutations.handleCellUpdate(row, 0, HOUR);
+
+            expect(apiMocks.createTimeEntry).toHaveBeenCalledTimes(1);
+            expect(firstArg(apiMocks.createTimeEntry).project_id).toBeNull();
+        });
+
+        it('collapses an empty duplicate row after its first entry is created', async () => {
+            const removeSlot = vi.fn();
+            const existingRow = buildEmptyRow('p-1', 'existing-slot');
+            const duplicateRow = buildEmptyRow('p-1', 'duplicate-slot');
+            const { cellMutations } = setup([], [existingRow, duplicateRow], removeSlot);
+
+            await cellMutations.handleCellUpdate(duplicateRow, 0, HOUR);
+
+            expect(apiMocks.createTimeEntry).toHaveBeenCalledTimes(1);
+            expect(removeSlot).toHaveBeenCalledWith('duplicate-slot');
+            expect(addNotification).toHaveBeenCalledWith(
+                'success',
+                'Merged into matching row',
+                'Another row with the same project, task, billable status and tags already exists.'
+            );
+        });
+
+        it("falls back to the start of the day when 09:00 wouldn't fit", async () => {
+            // Block 09:00 → 23:30 with another row's entry. The only
+            // gap big enough for 1h is 00:00 → 09:00.
+            const blocker = entry('2026-04-10T09:00:00Z', '2026-04-10T23:30:00Z', {
+                id: 'blocker',
+            });
+            const { cellMutations } = setup([blocker]);
+            const row = buildEmptyRow('p-1');
+
+            await cellMutations.handleCellUpdate(row, 0, HOUR);
+
+            expect(apiMocks.createTimeEntry).toHaveBeenCalledTimes(1);
+            const arg = firstArg(apiMocks.createTimeEntry);
+            expect(arg.start).toBe('2026-04-10T00:00:00Z');
+            expect(arg.end).toBe('2026-04-10T01:00:00Z');
+        });
+
+        it('avoids overlapping with another row on the same day (Scenario #4)', async () => {
+            // Another row has an entry 09:00 → 10:00. The new entry must
+            // not overlap it.
+            const blocker = entry('2026-04-10T09:00:00Z', '2026-04-10T10:00:00Z', {
+                id: 'blocker',
+            });
+            const { cellMutations } = setup([blocker]);
+            const row = buildEmptyRow('p-1');
+
+            await cellMutations.handleCellUpdate(row, 0, HOUR);
+
+            const arg = firstArg(apiMocks.createTimeEntry);
+            // 09:00 is blocked → must place after, at 10:00
+            expect(arg.start).toBe('2026-04-10T10:00:00Z');
+            expect(arg.end).toBe('2026-04-10T11:00:00Z');
+        });
+
+        it('treats a running entry as a blocker (Scenario #1)', async () => {
+            const running = entry('2026-04-10T08:00:00Z', null, { id: 'running' });
+            const { cellMutations } = setup([running]);
+            const row = buildEmptyRow('p-1');
+
+            await cellMutations.handleCellUpdate(row, 0, HOUR);
+
+            const arg = firstArg(apiMocks.createTimeEntry);
+            // The running entry blocks [08:00, now=14:00). The 09:00
+            // work-hours default lands inside that block, so the
+            // search advances the cursor to 14:00 and places the new
+            // entry at 14:00 → 15:00. Critically, this does NOT
+            // overlap the running timer.
+            expect(arg.start).toBe('2026-04-10T14:00:00Z');
+            expect(arg.end).toBe('2026-04-10T15:00:00Z');
+        });
+
+        it('avoids spillover from the previous day (Scenario #2)', async () => {
+            // An entry from yesterday spills into today's first 4h.
+            const spillover = entry('2026-04-09T22:00:00Z', '2026-04-10T04:00:00Z', {
+                id: 'spillover',
+            });
+            const { cellMutations } = setup([spillover]);
+            const row = buildEmptyRow('p-1');
+
+            await cellMutations.handleCellUpdate(row, 0, HOUR);
+
+            const arg = firstArg(apiMocks.createTimeEntry);
+            // 09:00 is free (the spillover ends at 04:00).
+            expect(arg.start).toBe('2026-04-10T09:00:00Z');
+        });
+
+        it('refuses to cross midnight (Scenario #3)', async () => {
+            // Block all of the day except the last 2h. Asking for 3h
+            // → no single-day window fits → notification, no API call.
+            const blocker = entry('2026-04-10T00:00:00Z', '2026-04-10T22:00:00Z', {
+                id: 'blocker',
+            });
+            const { cellMutations } = setup([blocker]);
+            const row = buildEmptyRow('p-1');
+
+            await cellMutations.handleCellUpdate(row, 0, 3 * HOUR);
+
+            expect(apiMocks.createTimeEntry).not.toHaveBeenCalled();
+        });
+    });
+
+    // ── Extend cell (Phase 2) ──────────────────────────────────────
+
+    describe('extendCell', () => {
+        it("extends the cell's latest-ended entry forward when there is room", async () => {
+            const cellEntry = entry('2026-04-10T09:00:00Z', '2026-04-10T10:00:00Z', {
+                id: 'extend-me',
+            });
+            const { cellMutations } = setup([cellEntry]);
+            const row = buildRow('p-1', [cellEntry]);
+
+            // Cell is 1h, request 2h total → +1h
+            await cellMutations.handleCellUpdate(row, 0, 2 * HOUR);
+
+            expect(apiMocks.updateTimeEntry).toHaveBeenCalledTimes(1);
+            const updated = firstArg(apiMocks.updateTimeEntry);
+            expect(updated.id).toBe('extend-me');
+            expect(updated.end).toBe('2026-04-10T11:00:00Z');
+            expect(apiMocks.createTimeEntry).not.toHaveBeenCalled();
+        });
+
+        it('picks the latest-END entry when nested entries exist (Scenario #6)', async () => {
+            // Outer entry 09:00 → 12:00, inner entry 10:00 → 11:00.
+            // The latest START is "inner" but the latest END is "outer".
+            // Extending should grow the OUTER entry, not the inner.
+            const outer = entry('2026-04-10T09:00:00Z', '2026-04-10T12:00:00Z', { id: 'outer' });
+            const inner = entry('2026-04-10T10:00:00Z', '2026-04-10T11:00:00Z', { id: 'inner' });
+            const { cellMutations } = setup([outer, inner]);
+            const row = buildRow('p-1', [outer, inner]);
+
+            // Cell total = 3h + 1h = 4h. Bump to 5h → +1h.
+            await cellMutations.handleCellUpdate(row, 0, 5 * HOUR);
+
+            expect(apiMocks.updateTimeEntry).toHaveBeenCalledTimes(1);
+            const updated = firstArg(apiMocks.updateTimeEntry);
+            expect(updated.id).toBe('outer');
+            expect(updated.end).toBe('2026-04-10T13:00:00Z');
+        });
+
+        it('splits the extension when another row blocks the path (Scenario #5)', async () => {
+            // Cell entry: 09:00 → 10:00 (1h). Blocker on another row:
+            // 10:30 → 11:30. Bump cell to 3h (+2h):
+            //   - 30 minutes fit in the gap [10:00, 10:30) → extend to 10:30
+            //   - 90 minutes remain → place a NEW entry in the next free
+            //     window (11:30 → 13:00)
+            const cellEntry = entry('2026-04-10T09:00:00Z', '2026-04-10T10:00:00Z', {
+                id: 'cell-entry',
+            });
+            const blocker = entry('2026-04-10T10:30:00Z', '2026-04-10T11:30:00Z', {
+                id: 'blocker',
+                project_id: 'other-project',
+            });
+            const { cellMutations } = setup([cellEntry, blocker]);
+            const row = buildRow('p-1', [cellEntry]);
+
+            await cellMutations.handleCellUpdate(row, 0, 3 * HOUR);
+
+            expect(apiMocks.updateTimeEntry).toHaveBeenCalledTimes(1);
+            const updated = firstArg(apiMocks.updateTimeEntry);
+            expect(updated.id).toBe('cell-entry');
+            expect(updated.end).toBe('2026-04-10T10:30:00Z');
+
+            expect(apiMocks.createTimeEntry).toHaveBeenCalledTimes(1);
+            const created = firstArg(apiMocks.createTimeEntry);
+            // Remainder = 2h - 30min = 90min, placed in next free window
+            // (11:30 → 13:00)
+            expect(created.start).toBe('2026-04-10T11:30:00Z');
+            expect(created.end).toBe('2026-04-10T13:00:00Z');
+        });
+
+        it("places everything as a new entry when the cell's tail abuts another row immediately (Scenario #5 zero-gap)", async () => {
+            // Cell entry: 09:00 → 10:00. Another row starts EXACTLY at 10:00.
+            // Gap after cell entry = 0. The whole add becomes a new entry
+            // somewhere else.
+            const cellEntry = entry('2026-04-10T09:00:00Z', '2026-04-10T10:00:00Z', {
+                id: 'cell-entry',
+            });
+            const blocker = entry('2026-04-10T10:00:00Z', '2026-04-10T11:00:00Z', {
+                id: 'blocker',
+                project_id: 'other-project',
+            });
+            const { cellMutations } = setup([cellEntry, blocker]);
+            const row = buildRow('p-1', [cellEntry]);
+
+            // Bump cell from 1h to 2h → +1h
+            await cellMutations.handleCellUpdate(row, 0, 2 * HOUR);
+
+            // No update to cell entry (gap is zero)
+            expect(apiMocks.updateTimeEntry).not.toHaveBeenCalled();
+            // New entry placed in next free window: 11:00 → 12:00
+            expect(apiMocks.createTimeEntry).toHaveBeenCalledTimes(1);
+            const created = firstArg(apiMocks.createTimeEntry);
+            expect(created.start).toBe('2026-04-10T11:00:00Z');
+            expect(created.end).toBe('2026-04-10T12:00:00Z');
+        });
+
+        it('falls back to creating a new entry when the latest cell entry is running (Scenario #8)', async () => {
+            // Cell contains only a running timer.
+            const running = entry('2026-04-10T08:00:00Z', null, {
+                id: 'running',
+                duration: null,
+            });
+            // The grid would treat the cell total as 0 because duration is
+            // null, so we fake a non-zero totalSeconds via a manual cell.
+            const cell: TimesheetCell = {
+                dayIndex: 0,
+                date: DATE,
+                entries: [running],
+                // Pretend we computed 1h so that handleCellUpdate sees a
+                // diff > 0 and routes through extendCell rather than
+                // createCell.
+                totalSeconds: HOUR,
+            };
+            const row: TimesheetRow = {
+                key: 'p-1:null',
+                projectId: 'p-1',
+                taskId: null,
+                billable: false,
+                tags: [],
+                cells: new Map([[0, cell]]),
+                totalSeconds: HOUR,
+            };
+
+            const { cellMutations } = setup([running]);
+            // Bump from 1h to 2h → +1h. extendCell sees the running entry
+            // as the latest-end and falls through to createCell.
+            await cellMutations.handleCellUpdate(row, 0, 2 * HOUR);
+
+            expect(apiMocks.updateTimeEntry).not.toHaveBeenCalled();
+            expect(apiMocks.createTimeEntry).toHaveBeenCalledTimes(1);
+            // Running entry blocks [08:00, now=14:00). 09:00 lands inside
+            // → cursor advances to 14:00. Crucially the running entry is
+            // never modified.
+            const created = firstArg(apiMocks.createTimeEntry);
+            expect(created.start).toBe('2026-04-10T14:00:00Z');
+            expect(created.end).toBe('2026-04-10T15:00:00Z');
+        });
+
+        it('places the remainder strictly after the just-extended end (no stale-overlap)', async () => {
+            // Regression: timeEntries.value is stale right after the
+            // updateEntry call (still shows candidate.end at the old
+            // value). Without an explicit floor, findFreeWindowOnDay
+            // would propose a window inside the gap we just filled —
+            // overlapping the now-extended candidate.
+            //
+            // Cell entry: 09:00 → 10:00 (1h). Blocker on another row at
+            // 11:00 → 12:00. Gap is 1h. Bump cell to 2.5h (+1.5h):
+            //   - extend by 1h → newEnd = 11:00
+            //   - remainder = 30 min must land AFTER 11:00, not in the
+            //     stale-looking [10:00, 11:00] window.
+            const cellEntry = entry('2026-04-10T09:00:00Z', '2026-04-10T10:00:00Z', {
+                id: 'cell-entry',
+            });
+            const blocker = entry('2026-04-10T11:00:00Z', '2026-04-10T12:00:00Z', {
+                id: 'blocker',
+                project_id: 'other-project',
+            });
+            const { cellMutations } = setup([cellEntry, blocker]);
+            const row = buildRow('p-1', [cellEntry]);
+
+            await cellMutations.handleCellUpdate(row, 0, Math.round(2.5 * HOUR));
+
+            expect(apiMocks.updateTimeEntry).toHaveBeenCalledTimes(1);
+            const updated = firstArg(apiMocks.updateTimeEntry);
+            expect(updated.id).toBe('cell-entry');
+            expect(updated.end).toBe('2026-04-10T11:00:00Z');
+
+            expect(apiMocks.createTimeEntry).toHaveBeenCalledTimes(1);
+            const created = firstArg(apiMocks.createTimeEntry);
+            // Next free window after blocker, at 12:00.
+            expect(created.start).toBe('2026-04-10T12:00:00Z');
+            expect(created.end).toBe('2026-04-10T12:30:00Z');
+        });
+
+        it('refuses extension that would cross midnight before patching the server (Scenario #7)', async () => {
+            // Cell entry 22:00 → 23:00. Bump to 4h (+3h). Only 1h is
+            // available before midnight. Because the remaining 2h don't
+            // fit anywhere else on the day, the mutation now aborts
+            // before issuing the PATCH, leaving the entry untouched.
+            const cellEntry = entry('2026-04-10T22:00:00Z', '2026-04-10T23:00:00Z', {
+                id: 'cell-entry',
+            });
+            const fillEarly = entry('2026-04-10T00:00:00Z', '2026-04-10T22:00:00Z', {
+                id: 'fill',
+                project_id: 'other-project',
+            });
+            const { cellMutations } = setup([cellEntry, fillEarly]);
+            const row = buildRow('p-1', [cellEntry]);
+
+            // Bump from 1h to 4h → +3h
+            await cellMutations.handleCellUpdate(row, 0, 4 * HOUR);
+
+            // Nothing should be patched or created because the preflight
+            // fit-check rejects the whole edit.
+            expect(apiMocks.updateTimeEntry).not.toHaveBeenCalled();
+            expect(apiMocks.createTimeEntry).not.toHaveBeenCalled();
+        });
+    });
+
+    // ── Shrink (unchanged behavior, still correct) ─────────────────
+
+    describe('shrinkFromEnd', () => {
+        it('shortens the latest entry by the requested amount', async () => {
+            const cellEntry = entry('2026-04-10T09:00:00Z', '2026-04-10T12:00:00Z', {
+                id: 'shrink-me',
+            });
+            const { cellMutations } = setup([cellEntry]);
+            const row = buildRow('p-1', [cellEntry]);
+
+            // 3h → 2h: shrink by 1h
+            await cellMutations.handleCellUpdate(row, 0, 2 * HOUR);
+
+            expect(apiMocks.updateTimeEntry).toHaveBeenCalledTimes(1);
+            const updated = firstArg(apiMocks.updateTimeEntry);
+            expect(updated.end).toBe('2026-04-10T11:00:00Z');
+        });
+
+        it('deletes entries that are entirely consumed', async () => {
+            const a = entry('2026-04-10T09:00:00Z', '2026-04-10T10:00:00Z', {
+                id: 'a',
+            });
+            const b = entry('2026-04-10T11:00:00Z', '2026-04-10T12:00:00Z', {
+                id: 'b',
+            });
+            const { cellMutations } = setup([a, b]);
+            const row = buildRow('p-1', [a, b]);
+
+            // Cell = 2h, shrink to 0.5h: must delete b entirely (1h) and
+            // shorten a from 1h to 30min.
+            await cellMutations.handleCellUpdate(row, 0, 1800);
+
+            expect(apiMocks.deleteTimeEntry).toHaveBeenCalledTimes(1);
+            const [, deleteOptions] = apiMocks.deleteTimeEntry.mock.calls[0]!;
+            expect(deleteOptions?.params?.timeEntry).toBe('b');
+
+            expect(apiMocks.updateTimeEntry).toHaveBeenCalledTimes(1);
+            const updated = firstArg(apiMocks.updateTimeEntry);
+            expect(updated.id).toBe('a');
+            expect(updated.end).toBe('2026-04-10T09:30:00Z');
+        });
+    });
+});
+
+describe('useTimesheetCellMutations save status', () => {
+    // Timer handles keep old fade-outs from clearing newer status, and
+    // the same-cell saving guard prevents concurrent writes from stale rows.
+
+    it('does not let a stale fade-out timer clear a newer edit on the same cell', async () => {
+        const { cellMutations } = setup([]);
+        const row = buildEmptyRow('p-1');
+        const key = makeCellStatusKey(row.key, 0);
+
+        await cellMutations.handleCellUpdate(row, 0, HOUR);
+        expect(cellMutations.cellStatus.value[key]).toBe('saved');
+
+        // Re-edit the same cell partway through the first "saved" window.
+        vi.advanceTimersByTime(1000);
+        await cellMutations.handleCellUpdate(row, 0, 2 * HOUR);
+        expect(cellMutations.cellPendingSeconds.value[key]).toBe(2 * HOUR);
+
+        // Advance past the FIRST timer's deadline: it must not wipe the newer state.
+        vi.advanceTimersByTime(2000);
+        expect(cellMutations.cellStatus.value[key]).toBe('saved');
+        expect(cellMutations.cellPendingSeconds.value[key]).toBe(2 * HOUR);
+    });
+
+    it('ignores another commit while the same cell is saving', async () => {
+        const { cellMutations } = setup([]);
+        const row = buildEmptyRow('p-1');
+        const key = makeCellStatusKey(row.key, 0);
+
+        let release!: () => void;
+        const gateA = new Promise<void>((res) => {
+            release = () => res();
+        });
+        apiMocks.createTimeEntry.mockImplementationOnce(async () => {
+            await gateA;
+            return { data: { id: 'a' } } as never;
+        });
+
+        const save = cellMutations.handleCellUpdate(row, 0, HOUR);
+        expect(cellMutations.cellStatus.value[key]).toBe('saving');
+        expect(cellMutations.cellPendingSeconds.value[key]).toBe(HOUR);
+
+        // The second commit would be planned from the same stale row, so it is ignored.
+        await cellMutations.handleCellUpdate(row, 0, 2 * HOUR);
+        expect(apiMocks.createTimeEntry).toHaveBeenCalledTimes(1);
+        expect(cellMutations.cellPendingSeconds.value[key]).toBe(HOUR);
+
+        release();
+        await save;
+        expect(cellMutations.cellStatus.value[key]).toBe('saved');
+        expect(cellMutations.cellPendingSeconds.value[key]).toBe(HOUR);
+    });
+
+    it('marks error and drops the optimistic value when the save fails', async () => {
+        const { cellMutations } = setup([]);
+        const row = buildEmptyRow('p-1');
+        const key = makeCellStatusKey(row.key, 0);
+
+        apiMocks.createTimeEntry.mockRejectedValueOnce(new Error('boom'));
+
+        await cellMutations.handleCellUpdate(row, 0, HOUR);
+
+        expect(cellMutations.cellStatus.value[key]).toBe('error');
+        expect(cellMutations.cellPendingSeconds.value[key]).toBeUndefined();
+        expect(addNotification).toHaveBeenCalledWith(
+            'error',
+            'Failed to update timesheet',
+            expect.any(String)
+        );
+    });
+
+    it('marks error and drops the optimistic value when the day is full', async () => {
+        // Block all but the last 2h, then ask for 3h → NoFreeWindowError.
+        const blocker = entry('2026-04-10T00:00:00Z', '2026-04-10T22:00:00Z', { id: 'blocker' });
+        const { cellMutations } = setup([blocker]);
+        const row = buildEmptyRow('p-1');
+        const key = makeCellStatusKey(row.key, 0);
+
+        await cellMutations.handleCellUpdate(row, 0, 3 * HOUR);
+
+        expect(cellMutations.cellStatus.value[key]).toBe('error');
+        expect(cellMutations.cellPendingSeconds.value[key]).toBeUndefined();
+        expect(addNotification).toHaveBeenCalledWith(
+            'error',
+            "This day can't fit any more work",
+            expect.any(String)
+        );
+    });
+
+    it('creates no status when the committed value is unchanged', async () => {
+        const cellEntry = entry('2026-04-10T09:00:00Z', '2026-04-10T10:00:00Z');
+        const { cellMutations } = setup([cellEntry]);
+        const row = buildRow('p-1', [cellEntry]);
+        const key = makeCellStatusKey(row.key, 0);
+
+        await cellMutations.handleCellUpdate(row, 0, HOUR);
+
+        expect(cellMutations.cellStatus.value[key]).toBeUndefined();
+        expect(cellMutations.cellPendingSeconds.value[key]).toBeUndefined();
+    });
+
+    it('tracks save status independently for each cell', async () => {
+        const { cellMutations } = setup([]);
+        const row = buildEmptyRow('p-1');
+        const mondayKey = makeCellStatusKey(row.key, 0);
+        const tuesdayKey = makeCellStatusKey(row.key, 1);
+
+        await cellMutations.handleCellUpdate(row, 0, HOUR);
+        await cellMutations.handleCellUpdate(row, 1, 2 * HOUR);
+
+        expect(cellMutations.cellStatus.value[mondayKey]).toBe('saved');
+        expect(cellMutations.cellStatus.value[tuesdayKey]).toBe('saved');
+        expect(cellMutations.cellPendingSeconds.value[mondayKey]).toBe(HOUR);
+        expect(cellMutations.cellPendingSeconds.value[tuesdayKey]).toBe(2 * HOUR);
+    });
+});

resources/js/utils/timesheet/useTimesheetCellMutations.ts

@@ -1,4 +1,4 @@
-import type { Ref } from 'vue';
+import { ref, type Ref } from 'vue';
 import { useQueryClient } from '@tanstack/vue-query';
 import { api, type CreateTimeEntryBody, type TimeEntry } from '@/packages/api/src';
 import { formatHumanReadableDuration, getDayJsInstance } from '@/packages/ui/src/utils/time';
@@ -19,6 +19,17 @@ import {
     type FreeWindow,
 } from './cellMath';
 
+export type CellSaveStatus = 'saving' | 'saved' | 'error';
+
+/** Map key for a cell's save state (row + day). */
+export function makeCellStatusKey(rowKey: TimesheetRowKey, dayIndex: number): string {
+    return `${rowKey}:${dayIndex}`;
+}
+
+/** How long the saved/error state stays visible before fading. */
+const SAVED_VISIBLE_MS = 2800;
+const ERROR_VISIBLE_MS = 2500;
+
 /**
  * Cell-level edit dispatcher. Picks one of four strategies based on
  * the diff between current and requested totals:
@@ -48,15 +59,58 @@ export function useTimesheetCellMutations(
     const queryClient = useQueryClient();
     const notifications = useNotificationsStore();
 
+    // Save status + the optimistic value shown while saving, so a saved cell
+    // doesn't flicker back to its old total before the refetch lands.
+    const cellStatus = ref<Record<string, CellSaveStatus>>({});
+    const cellPendingSeconds = ref<Record<string, number>>({});
+    const statusClearTimers: Record<string, ReturnType<typeof setTimeout>> = {};
+
+    function clearStatusTimer(key: string): void {
+        clearTimeout(statusClearTimers[key]);
+        delete statusClearTimers[key];
+    }
+
+    function beginSaving(key: string, seconds: number): void {
+        clearStatusTimer(key);
+        cellPendingSeconds.value[key] = seconds;
+        cellStatus.value[key] = 'saving';
+    }
+
+    function markSaved(key: string): void {
+        clearStatusTimer(key);
+        cellStatus.value[key] = 'saved';
+        statusClearTimers[key] = setTimeout(() => {
+            delete cellStatus.value[key];
+            delete cellPendingSeconds.value[key];
+            delete statusClearTimers[key];
+        }, SAVED_VISIBLE_MS);
+    }
+
+    function markError(key: string): void {
+        clearStatusTimer(key);
+        cellStatus.value[key] = 'error';
+        // Drop the optimistic value so the cell shows server truth after refetch.
+        delete cellPendingSeconds.value[key];
+        statusClearTimers[key] = setTimeout(() => {
+            delete cellStatus.value[key];
+            delete statusClearTimers[key];
+        }, ERROR_VISIBLE_MS);
+    }
+
     async function handleCellUpdate(
         row: TimesheetRow,
         dayIndex: number,
         newTotalSeconds: number
     ): Promise<void> {
+        const statusKey = makeCellStatusKey(row.key, dayIndex);
+        if (cellStatus.value[statusKey] === 'saving') return;
+
         const cell = row.cells.get(dayIndex);
         const existingSeconds = cell?.totalSeconds ?? 0;
         if (newTotalSeconds === existingSeconds) return;
 
+        beginSaving(statusKey, newTotalSeconds);
+
         // Capture row state before the mutation: a row that was empty
         // and shares identity with another slot collapses after the
         // first entry lands, so the entry naturally identity-routes to
@@ -74,7 +128,9 @@ export function useTimesheetCellMutations(
                     'Another row with the same project, task, billable status and tags already exists.'
                 );
             }
+            markSaved(statusKey);
         } catch (err) {
+            markError(statusKey);
             if (err instanceof NoFreeWindowError) {
                 const friendlyDuration = formatHumanReadableDuration(
                     err.requiredSeconds,
@@ -93,7 +149,6 @@ export function useTimesheetCellMutations(
                 'Failed to update timesheet',
                 'Please try again later.'
             );
-            throw err;
         } finally {
             queryClient.invalidateQueries({ queryKey: ['timeEntries'] });
         }
@@ -316,5 +371,5 @@ export function useTimesheetCellMutations(
         return best;
     }
 
-    return { handleCellUpdate };
+    return { handleCellUpdate, cellStatus, cellPendingSeconds };
 }

resources/js/utils/timesheet/useTimesheetRowMutations.test.ts

@@ -0,0 +1,272 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest';
+import { ref } from 'vue';
+import type { Project, TimeEntry } from '@/packages/api/src';
+import type { TimesheetCell, TimesheetRow } from '@/utils/useTimesheetGrid';
+import { useTimesheetRowMutations } from './useTimesheetRowMutations';
+
+const addNotification = vi.fn();
+
+vi.mock('@/utils/notification', () => ({
+    useNotificationsStore: () => ({
+        addNotification,
+    }),
+}));
+
+function project(id: string, isBillable: boolean): Project {
+    return {
+        id,
+        name: id,
+        is_billable: isBillable,
+    } as unknown as Project;
+}
+
+function entry(id: string): TimeEntry {
+    return {
+        id,
+        start: '2026-04-10T09:00:00Z',
+        end: '2026-04-10T10:00:00Z',
+        duration: 3600,
+        description: '',
+        member_id: 'm-1',
+        project_id: 'p-1',
+        task_id: null,
+        billable: false,
+        tags: [],
+    } as unknown as TimeEntry;
+}
+
+function buildCell(entries: TimeEntry[]): TimesheetCell {
+    return {
+        dayIndex: 0,
+        date: '2026-04-10',
+        entries,
+        totalSeconds: entries.reduce((sum, item) => sum + (item.duration ?? 0), 0),
+    };
+}
+
+function buildRow(key: string, projectId: string | null, entries: TimeEntry[]): TimesheetRow {
+    const cells = entries.length > 0 ? new Map([[0, buildCell(entries)]]) : new Map();
+    const totalSeconds = entries.reduce((sum, item) => sum + (item.duration ?? 0), 0);
+
+    return {
+        key,
+        projectId,
+        taskId: null,
+        billable: false,
+        tags: [],
+        cells,
+        totalSeconds,
+    };
+}
+
+describe('useTimesheetRowMutations', () => {
+    beforeEach(() => {
+        addNotification.mockClear();
+    });
+
+    it('collapses a populated row into an existing matching row after identity change', async () => {
+        const existingRow = buildRow('row-a', 'p-1', [entry('e-a')]);
+        const editedRow = buildRow('row-b', 'p-2', [entry('e-b')]);
+        const rows = ref([existingRow, editedRow]);
+        const updateTimeEntries = vi.fn().mockResolvedValue(undefined);
+        const addSlot = vi.fn();
+        const updateSlot = vi.fn();
+        const removeSlot = vi.fn();
+
+        const { handleRowIdentityChange } = useTimesheetRowMutations(
+            { updateTimeEntries },
+            ref<Project[]>([]),
+            rows,
+            addSlot,
+            updateSlot,
+            removeSlot
+        );
+
+        await handleRowIdentityChange(editedRow, { projectId: 'p-1' });
+
+        expect(updateTimeEntries).toHaveBeenCalledWith({
+            ids: ['e-b'],
+            changes: { project_id: 'p-1' },
+        });
+        expect(removeSlot).toHaveBeenCalledWith('row-b');
+        expect(updateSlot).not.toHaveBeenCalled();
+        expect(addNotification).toHaveBeenCalledWith(
+            'success',
+            'Merged into matching row',
+            'Another row with the same project, task, billable status and tags already exists.'
+        );
+    });
+
+    it('translates identity fields to snake_case API field names', async () => {
+        const row = buildRow('row-a', 'p-1', [entry('e-a')]);
+        const rows = ref([row]);
+        const updateTimeEntries = vi.fn().mockResolvedValue(undefined);
+
+        const { handleRowIdentityChange } = useTimesheetRowMutations(
+            { updateTimeEntries },
+            ref<Project[]>([]),
+            rows,
+            vi.fn(),
+            vi.fn(),
+            vi.fn()
+        );
+
+        await handleRowIdentityChange(row, {
+            projectId: 'p-2',
+            taskId: 't-1',
+            billable: true,
+            tags: ['tag-1'],
+        });
+
+        expect(updateTimeEntries).toHaveBeenCalledWith({
+            ids: ['e-a'],
+            changes: {
+                project_id: 'p-2',
+                task_id: 't-1',
+                billable: true,
+                tags: ['tag-1'],
+            },
+        });
+    });
+
+    it('only includes touched fields in the API changeset', async () => {
+        const row = buildRow('row-a', 'p-1', [entry('e-a')]);
+        const rows = ref([row]);
+        const updateTimeEntries = vi.fn().mockResolvedValue(undefined);
+
+        const { handleRowIdentityChange } = useTimesheetRowMutations(
+            { updateTimeEntries },
+            ref<Project[]>([]),
+            rows,
+            vi.fn(),
+            vi.fn(),
+            vi.fn()
+        );
+
+        await handleRowIdentityChange(row, { tags: ['tag-1'] });
+
+        expect(updateTimeEntries).toHaveBeenCalledWith({
+            ids: ['e-a'],
+            changes: { tags: ['tag-1'] },
+        });
+    });
+
+    it('keeps an empty duplicate row until it receives time', async () => {
+        const existingRow = buildRow('row-a', 'p-1', [entry('e-a')]);
+        const emptyRow = buildRow('row-b', 'p-2', []);
+        const rows = ref([existingRow, emptyRow]);
+        const updateTimeEntries = vi.fn().mockResolvedValue(undefined);
+        const addSlot = vi.fn();
+        const updateSlot = vi.fn();
+        const removeSlot = vi.fn();
+
+        const { handleRowIdentityChange } = useTimesheetRowMutations(
+            { updateTimeEntries },
+            ref<Project[]>([]),
+            rows,
+            addSlot,
+            updateSlot,
+            removeSlot
+        );
+
+        await handleRowIdentityChange(emptyRow, { projectId: 'p-1' });
+
+        expect(updateTimeEntries).not.toHaveBeenCalled();
+        expect(updateSlot).toHaveBeenCalledWith('row-b', {
+            projectId: 'p-1',
+            taskId: null,
+            billable: false,
+            tags: [],
+        });
+        expect(removeSlot).not.toHaveBeenCalled();
+    });
+
+    it('sends null project updates when an existing row changes to no project', async () => {
+        const row = buildRow('row-a', 'p-1', [entry('e-a')]);
+        const rows = ref([row]);
+        const updateTimeEntries = vi.fn().mockResolvedValue(undefined);
+        const updateSlot = vi.fn();
+
+        const { handleRowIdentityChange } = useTimesheetRowMutations(
+            { updateTimeEntries },
+            ref<Project[]>([]),
+            rows,
+            vi.fn(),
+            updateSlot,
+            vi.fn()
+        );
+
+        await handleRowIdentityChange(row, { projectId: null });
+
+        expect(updateTimeEntries).toHaveBeenCalledWith({
+            ids: ['e-a'],
+            changes: { project_id: null },
+        });
+        expect(updateSlot).toHaveBeenCalledWith('row-a', {
+            projectId: null,
+            taskId: null,
+            billable: false,
+            tags: [],
+        });
+    });
+
+    it('defaults billable from the selected project when an empty row picks its first project', async () => {
+        const emptyRow = buildRow('row-a', null, []);
+        const rows = ref([emptyRow]);
+        const updateTimeEntries = vi.fn().mockResolvedValue(undefined);
+        const updateSlot = vi.fn();
+
+        const { handleRowIdentityChange } = useTimesheetRowMutations(
+            { updateTimeEntries },
+            ref([project('p-billable', true)]),
+            rows,
+            vi.fn(),
+            updateSlot,
+            vi.fn()
+        );
+
+        await handleRowIdentityChange(emptyRow, { projectId: 'p-billable' });
+
+        expect(updateTimeEntries).not.toHaveBeenCalled();
+        expect(updateSlot).toHaveBeenCalledWith('row-a', {
+            projectId: 'p-billable',
+            taskId: null,
+            billable: true,
+            tags: [],
+        });
+    });
+
+    it('handleAddRow defaults billable from the selected project metadata', () => {
+        const addSlot = vi.fn();
+
+        const { handleAddRow } = useTimesheetRowMutations(
+            { updateTimeEntries: vi.fn() },
+            ref([project('p-billable', true)]),
+            ref<TimesheetRow[]>([]),
+            addSlot,
+            vi.fn(),
+            vi.fn()
+        );
+
+        handleAddRow('p-billable', 't-1');
+
+        expect(addSlot).toHaveBeenCalledWith('p-billable', 't-1', true, []);
+    });
+
+    it('can add a no-project row', () => {
+        const addSlot = vi.fn();
+
+        const { handleAddRow } = useTimesheetRowMutations(
+            { updateTimeEntries: vi.fn() },
+            ref([project('p-billable', true)]),
+            ref<TimesheetRow[]>([]),
+            addSlot,
+            vi.fn(),
+            vi.fn()
+        );
+
+        handleAddRow(null, null);
+
+        expect(addSlot).toHaveBeenCalledWith(null, null, false, []);
+    });
+});

resources/js/utils/useTimesheetGrid.test.ts

@@ -0,0 +1,277 @@
+import { describe, expect, it } from 'vitest';
+import { nextTick, ref } from 'vue';
+import dayjs from 'dayjs';
+import utc from 'dayjs/plugin/utc';
+import type { Dayjs } from 'dayjs';
+import type { Project, Task, TimeEntry } from '@/packages/api/src';
+import { useTimesheetGrid } from './useTimesheetGrid';
+
+dayjs.extend(utc);
+
+const WEEK_DAYS = [
+    '2026-04-06',
+    '2026-04-07',
+    '2026-04-08',
+    '2026-04-09',
+    '2026-04-10',
+    '2026-04-11',
+    '2026-04-12',
+];
+
+function entry(start: string, end: string | null, overrides: Partial<TimeEntry> = {}): TimeEntry {
+    const startMs = new Date(start).valueOf();
+    const endMs = end ? new Date(end).valueOf() : startMs;
+
+    return {
+        id: overrides.id ?? `e-${start}-${end ?? 'running'}`,
+        start,
+        end,
+        duration: end ? Math.floor((endMs - startMs) / 1000) : null,
+        description: '',
+        member_id: 'm-1',
+        project_id: 'p-1',
+        task_id: null,
+        billable: false,
+        tags: [],
+        ...overrides,
+    } as unknown as TimeEntry;
+}
+
+function project(id: string, name: string, isBillable = false): Project {
+    return {
+        id,
+        name,
+        is_billable: isBillable,
+    } as unknown as Project;
+}
+
+function task(id: string, name: string, projectId: string): Task {
+    return {
+        id,
+        name,
+        project_id: projectId,
+    } as unknown as Task;
+}
+
+describe('useTimesheetGrid', () => {
+    it('seeds unseen identities and re-sorts seeded rows when project metadata changes', async () => {
+        const timeEntries = ref([
+            entry('2026-04-10T09:00:00Z', '2026-04-10T10:00:00Z', {
+                id: 'seed-b',
+                project_id: 'p-b',
+                task_id: null,
+            }),
+            entry('2026-04-10T10:00:00Z', '2026-04-10T11:00:00Z', {
+                id: 'seed-a-z',
+                project_id: 'p-a',
+                task_id: 't-z',
+            }),
+            entry('2026-04-10T11:00:00Z', '2026-04-10T12:00:00Z', {
+                id: 'seed-a-a',
+                project_id: 'p-a',
+                task_id: 't-a',
+            }),
+        ]);
+        const projects = ref([project('p-a', 'Bravo'), project('p-b', 'Alpha')]);
+        const tasks = ref([task('t-z', 'Zulu Task', 'p-a'), task('t-a', 'Alpha Task', 'p-a')]);
+
+        const { rows } = useTimesheetGrid(
+            timeEntries,
+            ref(WEEK_DAYS),
+            projects,
+            tasks,
+            ref<Dayjs | null>(null)
+        );
+
+        expect(rows.value.map((row) => `${row.projectId}:${row.taskId}`)).toEqual([
+            'p-b:null',
+            'p-a:t-a',
+            'p-a:t-z',
+        ]);
+
+        projects.value = [project('p-a', 'Aardvark'), project('p-b', 'Zulu')];
+        await nextTick();
+
+        expect(rows.value.map((row) => `${row.projectId}:${row.taskId}`)).toEqual([
+            'p-a:t-a',
+            'p-a:t-z',
+            'p-b:null',
+        ]);
+    });
+
+    it('keeps user-added slots below seeded rows in insertion order', async () => {
+        const timeEntries = ref([
+            entry('2026-04-10T09:00:00Z', '2026-04-10T10:00:00Z', {
+                id: 'seed-b',
+                project_id: 'p-seed-b',
+            }),
+            entry('2026-04-10T10:00:00Z', '2026-04-10T11:00:00Z', {
+                id: 'seed-a',
+                project_id: 'p-seed-a',
+            }),
+        ]);
+        const projects = ref([
+            project('p-seed-a', 'Bravo Seed'),
+            project('p-seed-b', 'Alpha Seed'),
+            project('p-user-1', 'Alpha User'),
+            project('p-user-2', 'Zulu User'),
+        ]);
+
+        const { rows, addSlot } = useTimesheetGrid(
+            timeEntries,
+            ref(WEEK_DAYS),
+            projects,
+            ref<Task[]>([]),
+            ref<Dayjs | null>(null)
+        );
+
+        addSlot('p-user-2', null, false, []);
+        addSlot('p-user-1', null, false, []);
+        await nextTick();
+
+        expect(rows.value.map((row) => row.projectId)).toEqual([
+            'p-seed-b',
+            'p-seed-a',
+            'p-user-2',
+            'p-user-1',
+        ]);
+
+        projects.value = [
+            project('p-seed-a', 'Zulu Seed'),
+            project('p-seed-b', 'Alpha Seed'),
+            project('p-user-1', 'Aardvark User'),
+            project('p-user-2', 'Bravo User'),
+        ];
+        await nextTick();
+
+        expect(rows.value.map((row) => row.projectId)).toEqual([
+            'p-seed-b',
+            'p-seed-a',
+            'p-user-2',
+            'p-user-1',
+        ]);
+    });
+
+    it('assigns entries to the first duplicate-identity slot and leaves later duplicates empty', async () => {
+        const timeEntries = ref<TimeEntry[]>([]);
+
+        const { rows, addSlot } = useTimesheetGrid(
+            timeEntries,
+            ref(WEEK_DAYS),
+            ref([project('p-1', 'Project One')]),
+            ref<Task[]>([]),
+            ref<Dayjs | null>(null)
+        );
+
+        const firstKey = addSlot('p-1', null, false, []);
+        const secondKey = addSlot('p-1', null, false, []);
+        await nextTick();
+
+        timeEntries.value = [
+            entry('2026-04-10T09:00:00Z', '2026-04-10T10:00:00Z', { project_id: 'p-1' }),
+        ];
+        await nextTick();
+
+        expect(rows.value).toHaveLength(2);
+        expect(rows.value[0]?.key).toBe(firstKey);
+        expect(rows.value[0]?.totalSeconds).toBe(3600);
+        expect(rows.value[1]?.key).toBe(secondKey);
+        expect(rows.value[1]?.totalSeconds).toBe(0);
+        expect(rows.value[1]?.cells.size).toBe(0);
+    });
+
+    it('keeps no-project user slots aligned with refetched no-project entries', async () => {
+        const timeEntries = ref<TimeEntry[]>([]);
+
+        const { rows, addSlot } = useTimesheetGrid(
+            timeEntries,
+            ref(WEEK_DAYS),
+            ref<Project[]>([]),
+            ref<Task[]>([]),
+            ref<Dayjs | null>(null)
+        );
+
+        const rowKey = addSlot(null, null, false, []);
+        await nextTick();
+
+        expect(rows.value).toHaveLength(1);
+        expect(rows.value[0]).toMatchObject({ key: rowKey, projectId: null });
+
+        timeEntries.value = [
+            entry('2026-04-10T09:00:00Z', '2026-04-10T10:00:00Z', {
+                id: 'no-project',
+                project_id: null,
+            }),
+        ];
+        await nextTick();
+
+        expect(rows.value).toHaveLength(1);
+        expect(rows.value[0]).toMatchObject({
+            key: rowKey,
+            projectId: null,
+            totalSeconds: 3600,
+        });
+    });
+
+    it('updates a slot identity in place and clearSlots removes all rows', async () => {
+        const { rows, slots, addSlot, updateSlot, clearSlots } = useTimesheetGrid(
+            ref<TimeEntry[]>([]),
+            ref(WEEK_DAYS),
+            ref([project('p-next', 'Next Project')]),
+            ref([task('t-1', 'Task One', 'p-next')]),
+            ref<Dayjs | null>(null)
+        );
+
+        const key = addSlot(null, null, false, []);
+        await nextTick();
+
+        updateSlot(key, {
+            projectId: 'p-next',
+            taskId: 't-1',
+            billable: true,
+            tags: ['b-tag', 'a-tag'],
+        });
+        await nextTick();
+
+        expect(rows.value).toHaveLength(1);
+        expect(rows.value[0]).toMatchObject({
+            key,
+            projectId: 'p-next',
+            taskId: 't-1',
+            billable: true,
+            tags: ['a-tag', 'b-tag'],
+        });
+
+        clearSlots();
+        await nextTick();
+
+        expect(rows.value).toHaveLength(0);
+        expect(slots.value).toHaveLength(0);
+    });
+
+    it('includes running entries in row and week totals using the live timer clock', () => {
+        const currentTime = ref(dayjs.utc('2026-04-10T10:00:00Z'));
+        const runningEntry = entry('2026-04-10T09:00:00Z', null, { id: 'running' });
+
+        const { rows, dayTotals, grandTotal } = useTimesheetGrid(
+            ref([runningEntry]),
+            ref(WEEK_DAYS),
+            ref<Project[]>([]),
+            ref<Task[]>([]),
+            currentTime
+        );
+
+        expect(rows.value).toHaveLength(1);
+        expect(rows.value[0]?.cells.get(4)?.totalSeconds).toBe(3600);
+        expect(rows.value[0]?.totalSeconds).toBe(3600);
+        expect(dayTotals.value[4]).toBe(3600);
+        expect(grandTotal.value).toBe(3600);
+
+        currentTime.value = dayjs.utc('2026-04-10T11:30:00Z');
+
+        expect(rows.value[0]?.cells.get(4)?.totalSeconds).toBe(9000);
+        expect(rows.value[0]?.totalSeconds).toBe(9000);
+        expect(dayTotals.value[4]).toBe(9000);
+        expect(grandTotal.value).toBe(9000);
+    });
+});

tests/Unit/Endpoint/Api/V1/ProjectEndpointTest.php

@@ -308,6 +308,22 @@ class ProjectEndpointTest extends ApiEndpointTestAbstract
         $response->assertForbidden();
     }
 
+    public function test_show_endpoint_fails_if_employee_tries_to_access_public_project(): void
+    {
+        // Arrange
+        // Employees do not have the projects:view:all permission that the show endpoint requires,
+        // so they are forbidden even from public projects (they list them via the index endpoint instead).
+        $data = $this->createUserWithRole(Role::Employee);
+        $publicProject = Project::factory()->forOrganization($data->organization)->isPublic()->create();
+        Passport::actingAs($data->user);
+
+        // Act
+        $response = $this->getJson(route('api.v1.projects.show', [$data->organization->getKey(), $publicProject->getKey()]));
+
+        // Assert
+        $response->assertForbidden();
+    }
+
     public function test_store_endpoint_fails_if_user_has_no_permission_to_create_projects(): void
     {
         // Arrange
@@ -327,6 +343,29 @@ class ProjectEndpointTest extends ApiEndpointTestAbstract
         $response->assertForbidden();
     }
 
+    public function test_store_endpoint_fails_if_user_is_employee(): void
+    {
+        // Arrange
+        $data = $this->createUserWithRole(Role::Employee);
+        $projectFake = Project::factory()->forOrganization($data->organization)->make();
+        Passport::actingAs($data->user);
+
+        // Act
+        $response = $this->postJson(route('api.v1.projects.store', [$data->organization->getKey()]), [
+            'name' => $projectFake->name,
+            'color' => $projectFake->color,
+            'client_id' => null,
+            'is_billable' => $projectFake->is_billable,
+        ]);
+
+        // Assert
+        $response->assertForbidden();
+        $this->assertDatabaseMissing(Project::class, [
+            'name' => $projectFake->name,
+            'organization_id' => $data->organization->getKey(),
+        ]);
+    }
+
     public function test_store_endpoint_highest_possible_billable_rate_can_be_stored_in_database(): void
     {
         // Arrange
@@ -668,6 +707,124 @@ class ProjectEndpointTest extends ApiEndpointTestAbstract
         ]);
     }
 
+    public function test_store_endpoint_creates_public_project(): void
+    {
+        // Arrange
+        $data = $this->createUserWithPermission([
+            'projects:create',
+        ]);
+        $projectFake = Project::factory()->forOrganization($data->organization)->make();
+        Passport::actingAs($data->user);
+
+        // Act
+        $response = $this->postJson(route('api.v1.projects.store', [$data->organization->getKey()]), [
+            'name' => $projectFake->name,
+            'color' => $projectFake->color,
+            'client_id' => null,
+            'is_billable' => $projectFake->is_billable,
+            'is_public' => true,
+        ]);
+
+        // Assert
+        $response->assertStatus(201);
+        $response->assertJson(fn (AssertableJson $json) => $json
+            ->has('data')
+            ->where('data.is_public', true)
+            ->etc()
+        );
+        $this->assertDatabaseHas(Project::class, [
+            'name' => $projectFake->name,
+            'organization_id' => $projectFake->organization_id,
+            'is_public' => true,
+        ]);
+    }
+
+    public function test_store_endpoint_creates_private_project_if_is_public_is_false(): void
+    {
+        // Arrange
+        $data = $this->createUserWithPermission([
+            'projects:create',
+        ]);
+        $projectFake = Project::factory()->forOrganization($data->organization)->make();
+        Passport::actingAs($data->user);
+
+        // Act
+        $response = $this->postJson(route('api.v1.projects.store', [$data->organization->getKey()]), [
+            'name' => $projectFake->name,
+            'color' => $projectFake->color,
+            'client_id' => null,
+            'is_billable' => $projectFake->is_billable,
+            'is_public' => false,
+        ]);
+
+        // Assert
+        $response->assertStatus(201);
+        $response->assertJson(fn (AssertableJson $json) => $json
+            ->has('data')
+            ->where('data.is_public', false)
+            ->etc()
+        );
+        $this->assertDatabaseHas(Project::class, [
+            'name' => $projectFake->name,
+            'organization_id' => $projectFake->organization_id,
+            'is_public' => false,
+        ]);
+    }
+
+    public function test_store_endpoint_creates_private_project_by_default_if_is_public_is_not_given(): void
+    {
+        // Arrange
+        $data = $this->createUserWithPermission([
+            'projects:create',
+        ]);
+        $projectFake = Project::factory()->forOrganization($data->organization)->make();
+        Passport::actingAs($data->user);
+
+        // Act
+        $response = $this->postJson(route('api.v1.projects.store', [$data->organization->getKey()]), [
+            'name' => $projectFake->name,
+            'color' => $projectFake->color,
+            'client_id' => null,
+            'is_billable' => $projectFake->is_billable,
+        ]);
+
+        // Assert
+        $response->assertStatus(201);
+        $response->assertJson(fn (AssertableJson $json) => $json
+            ->has('data')
+            ->where('data.is_public', false)
+            ->etc()
+        );
+        $this->assertDatabaseHas(Project::class, [
+            'name' => $projectFake->name,
+            'organization_id' => $projectFake->organization_id,
+            'is_public' => false,
+        ]);
+    }
+
+    public function test_store_endpoint_fails_if_is_public_is_not_boolean(): void
+    {
+        // Arrange
+        $data = $this->createUserWithPermission([
+            'projects:create',
+        ]);
+        $projectFake = Project::factory()->forOrganization($data->organization)->make();
+        Passport::actingAs($data->user);
+
+        // Act
+        $response = $this->postJson(route('api.v1.projects.store', [$data->organization->getKey()]), [
+            'name' => $projectFake->name,
+            'color' => $projectFake->color,
+            'client_id' => null,
+            'is_billable' => $projectFake->is_billable,
+            'is_public' => 'public',
+        ]);
+
+        // Assert
+        $response->assertStatus(422);
+        $response->assertJsonValidationErrors(['is_public']);
+    }
+
     public function test_update_endpoint_fails_if_user_is_not_part_of_project_organization(): void
     {
         // Arrange
@@ -713,6 +870,30 @@ class ProjectEndpointTest extends ApiEndpointTestAbstract
         $response->assertForbidden();
     }
 
+    public function test_update_endpoint_fails_if_user_is_employee(): void
+    {
+        // Arrange
+        $data = $this->createUserWithRole(Role::Employee);
+        $project = Project::factory()->forOrganization($data->organization)->isPublic()->create();
+        $this->assertBillableRateServiceIsUnused();
+        Passport::actingAs($data->user);
+
+        // Act
+        $response = $this->putJson(route('api.v1.projects.update', [$data->organization->getKey(), $project->getKey()]), [
+            'name' => 'Employee Updated Name',
+            'color' => $project->color,
+            'client_id' => null,
+            'is_billable' => $project->is_billable,
+        ]);
+
+        // Assert
+        $response->assertForbidden();
+        $this->assertDatabaseMissing(Project::class, [
+            'id' => $project->getKey(),
+            'name' => 'Employee Updated Name',
+        ]);
+    }
+
     public function test_update_endpoint_can_update_project_if_project_name_already_exists_in_organization_but_with_different_client(): void
     {
         // Arrange
@@ -957,6 +1138,120 @@ class ProjectEndpointTest extends ApiEndpointTestAbstract
         $this->assertFalse($project->is_archived);
     }
 
+    public function test_update_endpoint_can_make_a_private_project_public(): void
+    {
+        // Arrange
+        $data = $this->createUserWithPermission([
+            'projects:update',
+        ]);
+        $project = Project::factory()->forOrganization($data->organization)->isPrivate()->create();
+        $this->assertBillableRateServiceIsUnused();
+        Passport::actingAs($data->user);
+
+        // Act
+        $response = $this->putJson(route('api.v1.projects.update', [$data->organization->getKey(), $project->getKey()]), [
+            'name' => $project->name,
+            'color' => $project->color,
+            'is_billable' => $project->is_billable,
+            'client_id' => null,
+            'is_public' => true,
+        ]);
+
+        // Assert
+        $response->assertStatus(200);
+        $response->assertJson(fn (AssertableJson $json) => $json
+            ->has('data')
+            ->where('data.is_public', true)
+            ->etc()
+        );
+        $project->refresh();
+        $this->assertTrue($project->is_public);
+    }
+
+    public function test_update_endpoint_can_make_a_public_project_private(): void
+    {
+        // Arrange
+        $data = $this->createUserWithPermission([
+            'projects:update',
+        ]);
+        $project = Project::factory()->forOrganization($data->organization)->isPublic()->create();
+        $this->assertBillableRateServiceIsUnused();
+        Passport::actingAs($data->user);
+
+        // Act
+        $response = $this->putJson(route('api.v1.projects.update', [$data->organization->getKey(), $project->getKey()]), [
+            'name' => $project->name,
+            'color' => $project->color,
+            'is_billable' => $project->is_billable,
+            'client_id' => null,
+            'is_public' => false,
+        ]);
+
+        // Assert
+        $response->assertStatus(200);
+        $response->assertJson(fn (AssertableJson $json) => $json
+            ->has('data')
+            ->where('data.is_public', false)
+            ->etc()
+        );
+        $project->refresh();
+        $this->assertFalse($project->is_public);
+    }
+
+    public function test_update_endpoint_keeps_project_visibility_if_is_public_is_not_given(): void
+    {
+        // Arrange
+        $data = $this->createUserWithPermission([
+            'projects:update',
+        ]);
+        $project = Project::factory()->forOrganization($data->organization)->isPublic()->create();
+        $this->assertBillableRateServiceIsUnused();
+        Passport::actingAs($data->user);
+
+        // Act
+        $response = $this->putJson(route('api.v1.projects.update', [$data->organization->getKey(), $project->getKey()]), [
+            'name' => $project->name,
+            'color' => $project->color,
+            'is_billable' => $project->is_billable,
+            'client_id' => null,
+        ]);
+
+        // Assert
+        $response->assertStatus(200);
+        $response->assertJson(fn (AssertableJson $json) => $json
+            ->has('data')
+            ->where('data.is_public', true)
+            ->etc()
+        );
+        $project->refresh();
+        $this->assertTrue($project->is_public);
+    }
+
+    public function test_update_endpoint_fails_if_is_public_is_not_boolean(): void
+    {
+        // Arrange
+        $data = $this->createUserWithPermission([
+            'projects:update',
+        ]);
+        $project = Project::factory()->forOrganization($data->organization)->isPublic()->create();
+        Passport::actingAs($data->user);
+
+        // Act
+        $response = $this->putJson(route('api.v1.projects.update', [$data->organization->getKey(), $project->getKey()]), [
+            'name' => $project->name,
+            'color' => $project->color,
+            'is_billable' => $project->is_billable,
+            'client_id' => null,
+            'is_public' => 'public',
+        ]);
+
+        // Assert
+        $response->assertStatus(422);
+        $response->assertJsonValidationErrors(['is_public']);
+        $project->refresh();
+        $this->assertTrue($project->is_public);
+    }
+
     public function test_update_endpoint_ignores_estimated_time_if_pro_features_are_disabled(): void
     {
         // Arrange
@@ -1175,6 +1470,23 @@ class ProjectEndpointTest extends ApiEndpointTestAbstract
         $response->assertForbidden();
     }
 
+    public function test_destroy_endpoint_fails_if_user_is_employee(): void
+    {
+        // Arrange
+        $data = $this->createUserWithRole(Role::Employee);
+        $project = Project::factory()->forOrganization($data->organization)->isPublic()->create();
+        Passport::actingAs($data->user);
+
+        // Act
+        $response = $this->deleteJson(route('api.v1.projects.destroy', [$data->organization->getKey(), $project->getKey()]));
+
+        // Assert
+        $response->assertForbidden();
+        $this->assertDatabaseHas(Project::class, [
+            'id' => $project->getKey(),
+        ]);
+    }
+
     public function test_destroy_endpoint_fails_if_project_is_still_in_use_by_a_task(): void
     {
         // Arrange

tests/Unit/Endpoint/Web/TeamShowEndpointTest.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Unit\Endpoint\Web;
+
+use App\Models\OrganizationInvitation;
+use App\Providers\JetstreamServiceProvider;
+use Inertia\Testing\AssertableInertia as Assert;
+use Laravel\Jetstream\Jetstream;
+use PHPUnit\Framework\Attributes\CoversClass;
+
+#[CoversClass(JetstreamServiceProvider::class)]
+class TeamShowEndpointTest extends EndpointTestAbstract
+{
+    protected function setUp(): void
+    {
+        Jetstream::$inertiaManager = null;
+        parent::setUp();
+    }
+
+    public function test_team_show_does_not_expose_member_roster_invitations_or_owner_email(): void
+    {
+        // Arrange
+        $data = $this->createUserWithPermission([]);
+        OrganizationInvitation::factory()->forOrganization($data->organization)->create([
+            'email' => 'pending@example.com',
+        ]);
+        $this->actingAs($data->user);
+
+        // Act
+        $response = $this->get('/teams/'.$data->organization->getKey());
+
+        // Assert
+        $response->assertOk();
+        $response->assertInertia(fn (Assert $page) => $page
+            ->missing('team.users')
+            ->missing('team.team_invitations')
+            ->missing('team.owner.email')
+            ->has('team.owner.id')
+            ->has('team.owner.name')
+            ->has('team.owner.profile_photo_url')
+        );
+    }
+}

vitest.config.ts

@@ -0,0 +1,19 @@
+import { defineConfig } from 'vitest/config';
+import vue from '@vitejs/plugin-vue';
+import { fileURLToPath } from 'node:url';
+
+export default defineConfig({
+    plugins: [vue()],
+    resolve: {
+        alias: {
+            '@': fileURLToPath(new URL('./resources/js', import.meta.url)),
+        },
+    },
+    test: {
+        environment: 'happy-dom',
+        globals: false,
+        setupFiles: ['./resources/js/test-setup.ts'],
+        include: ['resources/js/**/*.{test,spec}.{ts,tsx}'],
+        exclude: ['**/node_modules/**', '**/e2e/**', '**/dist/**'],
+    },
+});