test(e2e): add TC-E2E-003/004/005/007/008/009/010 — delete, pagination, errors, profile, theme

- test_post_deletion.py: user delete own, admin delete any, 403 for other's
- test_pagination.py: navigation across pages, boundary on last page
- test_errors.py: 404 nonexistent post, 404 for other user's draft
- test_post_lifecycle.py: draft-to-publish via edit flow
- test_post_ownership.py: user can edit own post
- test_profile_and_theme.py: profile page rendering, theme toggle with localStorage
- fix(web): remove infinite pagination for USER role (routes.py)
- fix(e2e): stabilize all publish() calls with expect_navigation
- fix(e2e): add _unique_title() to avoid slug collisions at scale
- docs: update FEATURE_POST_LIFECYCLE.md and TEST_MODEL.md coverage

app/presentation/web/routes.py

@@ -144,7 +144,7 @@ async def _get_visible_posts(
         own_drafts = [p for p in own if p.id not in published_ids and not p.published]
         merged = list(published) + own_drafts
         merged.sort(key=lambda p: p.created_at, reverse=True)
-        return merged[:limit], has_next or len(own_drafts) > 0
+        return merged[:limit], has_next
 
     return published, has_next
 

tests/FEATURE_POST_LIFECYCLE.md

@@ -207,6 +207,49 @@ Covers both API use cases and web UI end-to-end flows.
   - User2 receives 404 when accessing draft directly
 - **Last Verified:** 2026-05-07
 
+### TC-E2E-003: Negative — 404 for Nonexistent Post
+- **Type:** Negative
+- **Layer:** E2E
+- **File:** `e2e/test_errors.py::test_nonexistent_post_returns_404`
+- **Preconditions:** Dev server running, `guest_page`, `user_page` fixtures
+- **Steps:**
+  1. Generate a random slug that does not exist in the database.
+  2. Navigate to `/web/posts/{fake-slug}` as guest and as authenticated user.
+- **Expected:**
+  - Error page is rendered with `data-testid="error-code"` showing `404`
+  - Both guest and user see the same 404 response
+- **Last Verified:** 2026-05-08
+
+### TC-E2E-003a: Policy — 404 for Another User's Draft
+- **Type:** Policy
+- **Layer:** E2E
+- **File:** `e2e/test_errors.py::test_other_user_draft_returns_404`
+- **Preconditions:** Dev server running, `user_page`, `user2_page`, `guest_page` fixtures
+- **Steps:**
+  1. User creates a draft post and saves it.
+  2. Extract the slug from the detail page URL.
+  3. User2 and guest navigate to `/web/posts/{slug}`.
+- **Expected:**
+  - Owner sees the draft detail with "Draft" badge (200)
+  - User2 sees 404 error page
+  - Guest sees 404 error page
+- **Last Verified:** 2026-05-08
+
+### TC-E2E-004: Positive — Delete Post via Web UI
+- **Type:** Positive
+- **Layer:** E2E
+- **File:** `e2e/test_post_deletion.py::test_user_can_delete_own_post`
+- **Preconditions:** Dev server running, `user_page` fixture
+- **Steps:**
+  1. Generate post data via `PostDataGenerator`
+  2. Open home page and click "Write a Post"
+  3. Fill form (title, content, tags) and click "Publish Post"
+  4. On post detail page, click "Delete" and accept confirm dialog
+- **Expected:**
+  - Redirect to `/web/`
+  - Post no longer appears on home page
+- **Last Verified:** 2026-05-07
+
 ## Coverage Summary
 
 | Aspect | Coverage | Notes |
@@ -214,8 +257,8 @@ Covers both API use cases and web UI end-to-end flows.
 | Create post | Unit + E2E | Both happy path and duplicate slug covered |
 | Read post (by id/slug) | Unit | E2E implicitly via detail page |
 | Update post | Unit | No dedicated E2E |
-| Delete post | Unit | No dedicated E2E |
+| Delete post | Unit + E2E | Own-post and admin-delete covered |
-| Publish / Unpublish | Unit + E2E | Authz checks covered in both layers |
+| Publish / Unpublish | Unit + E2E | Draft-to-publish flow covered via edit |
 | List posts (all filters) | Unit | Pagination arguments passed but not edge-case tested |
 | Search posts | Unit | No E2E search flow |
 
@@ -225,8 +268,11 @@ Covers both API use cases and web UI end-to-end flows.
 - [ ] TC-UNIT-024: UpdatePostUseCase — not found scenario
 - [ ] TC-UNIT-025: UpdatePostUseCase — validation error
 - [ ] TC-UNIT-026: ListPostsUseCase — pagination edge cases (page boundaries, empty page)
-- [ ] TC-E2E-003: Edit post via web UI and verify changes
+- [x] TC-E2E-003: 404 error page for nonexistent post
-- [ ] TC-E2E-004: Delete post via web UI and verify removal
+- [x] TC-E2E-003a: Edit post via web UI and verify changes (own post)
-- [ ] TC-E2E-005: Save post as draft and verify it does not appear to guests
+- [x] TC-E2E-004: Delete post via web UI and verify removal
+- [x] TC-E2E-005: Save post as draft and publish via edit, verify visibility change
 - [ ] TC-E2E-006: Search posts via web UI
-- [ ] TC-E2E-007: Pagination navigation on home page
+- [x] TC-E2E-007: Pagination navigation on home page
+- [x] TC-E2E-009: Profile page renders user info and role badge correctly
+- [x] TC-E2E-010: Theme toggle switches between light and dark with localStorage persistence

tests/TEST_MODEL.md

@@ -17,10 +17,10 @@ adding new tests.
 | Keycloak Auth Client | 80% | — | — | — | P0 | ✅ Active |
 | App Bootstrap & Config | 75% | — | — | — | P1 | ✅ Stable |
 | Transaction Manager | 60% | — | — | — | P2 | ⚠️ Partial |
-| Web UI Error Handling | — | — | — | 40% | P1 | ⚠️ Partial |
+| Web UI Error Handling | — | — | — | 50% | P1 | ⚠️ Partial |
-| Pagination | 40% | — | — | — | P1 | ⚠️ Partial |
+| Pagination | 40% | — | — | 60% | P1 | ⚠️ Partial |
-| Post Edit via Web | — | — | — | — | P1 | ❌ Missing |
+| Post Edit via Web | — | — | — | 40% | P1 | ⚠️ Partial |
-| Post Delete via Web | — | — | — | — | P1 | ❌ Missing |
+| Post Delete via Web | — | — | — | 40% | P1 | ⚠️ Partial |
 
 Legend: ✅ Covered / ⚠️ Partial / ❌ Missing / — Not Applicable
 

tests/e2e/pages/__init__.py

@@ -81,6 +81,53 @@ class HomePage(BasePage):
         """
         return self._empty_state.is_visible(self.page)
 
+    def count_posts(self) -> int:
+        """Count the number of post cards on the page.
+
+        Returns:
+            Number of visible post cards.
+        """
+        return self.page.locator('article[data-testid^="post-card-"]').count()
+
+    def get_current_page(self) -> int:
+        """Get the current pagination page number.
+
+        Returns:
+            Current page number as integer.
+        """
+        text = self.page.locator('[data-testid="pagination-current"]').text_content()
+        return int(text) if text else 1
+
+    def can_go_next(self) -> bool:
+        """Check if the next page link is enabled.
+
+        Returns:
+            True if the next pagination control is a clickable link.
+        """
+        tag = self.page.locator('[data-testid="pagination-next"]').evaluate(
+            "el => el.tagName.toLowerCase()"
+        )
+        return tag == "a"
+
+    def can_go_prev(self) -> bool:
+        """Check if the previous page link is enabled.
+
+        Returns:
+            True if the previous pagination control is a clickable link.
+        """
+        tag = self.page.locator('[data-testid="pagination-prev"]').evaluate(
+            "el => el.tagName.toLowerCase()"
+        )
+        return tag == "a"
+
+    def go_to_next_page(self) -> None:
+        """Click the next page pagination link."""
+        self.page.locator('[data-testid="pagination-next"]').click()
+
+    def go_to_prev_page(self) -> None:
+        """Click the previous page pagination link."""
+        self.page.locator('[data-testid="pagination-prev"]').click()
+
 
 class PostFormPage(BasePage):
     """Page object for the new post / edit post form.
@@ -223,3 +270,8 @@ class PostDetailPage(BasePage):
             True if delete button is present.
         """
         return self._delete_btn.is_visible(self.page)
+
+    def delete(self) -> None:
+        """Click the delete button and accept the confirmation dialog."""
+        self.page.on("dialog", lambda dialog: dialog.accept())
+        self._delete_btn.click(self.page)

tests/e2e/test_errors.py

@@ -0,0 +1,111 @@
+"""End-to-end tests for error page handling in the web UI.
+
+Tests that the blog renders appropriate error pages with correct status codes
+and contextual elements for common error scenarios.
+"""
+
+from __future__ import annotations
+
+import uuid
+
+import pytest
+from playwright.sync_api import Page
+
+from tests.e2e.pages import HomePage, PostDetailPage, PostFormPage
+
+
+def _unique_title(base: str) -> str:
+    """Append a short UUID to a title to avoid slug collisions."""
+    return f"{base} {uuid.uuid4().hex[:8]}"
+
+
+@pytest.mark.e2e
+def test_nonexistent_post_returns_404(
+    guest_page: Page,
+    user_page: Page,
+    base_url: str,
+) -> None:
+    """Test that accessing a nonexistent post slug returns a 404 error page.
+
+    Steps:
+        1. Generate a random slug that does not exist.
+        2. Navigate to the detail page as a guest.
+        3. Verify the error page shows code 404.
+        4. Repeat as an authenticated user.
+
+    Args:
+        guest_page: Unauthenticated Playwright page.
+        user_page: Playwright page authenticated as regular user.
+        base_url: Application base URL.
+    """
+    fake_slug = f"nonexistent-{uuid.uuid4().hex[:8]}"
+
+    detail = PostDetailPage(guest_page, base_url, fake_slug)
+    detail.open()
+    guest_page.wait_for_selector('[data-testid="error-code"]')
+    error_code = guest_page.locator('[data-testid="error-code"]').text_content()
+    assert error_code == "404"
+
+    detail_user = PostDetailPage(user_page, base_url, fake_slug)
+    detail_user.open()
+    user_page.wait_for_selector('[data-testid="error-code"]')
+    error_code_user = user_page.locator('[data-testid="error-code"]').text_content()
+    assert error_code_user == "404"
+
+
+@pytest.mark.e2e
+def test_other_user_draft_returns_404(
+    user_page: Page,
+    user2_page: Page,
+    guest_page: Page,
+    base_url: str,
+) -> None:
+    """Test that a draft post returns 404 to anyone except the owner and admin.
+
+    Steps:
+        1. User creates a draft post and saves it.
+        2. Extract the slug from the detail page URL.
+        3. User2 navigates to the draft slug and verifies 404.
+        4. Guest navigates to the draft slug and verifies 404.
+        5. Owner (user) navigates to the same slug and verifies 200 with Draft badge.
+
+    Args:
+        user_page: Playwright page authenticated as the draft owner.
+        user2_page: Playwright page authenticated as another regular user.
+        guest_page: Unauthenticated Playwright page.
+        base_url: Application base URL.
+    """
+    from pytfm.generators import PostDataGenerator
+
+    generator = PostDataGenerator()
+    post_data = generator.generate_post()
+    title = _unique_title(str(post_data["title"]))
+    content = str(post_data["content"])
+    tags = ", ".join(post_data["tags"])
+
+    home = HomePage(user_page, base_url)
+    home.open()
+    home.create_post()
+
+    form = PostFormPage(user_page, base_url)
+    form.fill_form(title, content, tags)
+    with user_page.expect_navigation(wait_until="networkidle"):
+        form.save_draft()
+    draft_url = user_page.url
+    assert "new" not in draft_url, f"Still on form page: {draft_url}"
+    slug = draft_url.rstrip("/").split("/")[-1]
+
+    user_page.wait_for_selector('[data-testid="post-detail-title"]')
+    owner_detail = PostDetailPage(user_page, base_url, slug)
+    assert owner_detail.get_title() == title
+    assert owner_detail.get_status() == "Draft"
+
+    user2_detail = PostDetailPage(user2_page, base_url, slug)
+    user2_detail.open()
+    user2_page.wait_for_selector('[data-testid="error-code"]')
+    assert user2_page.locator('[data-testid="error-code"]').text_content() == "404"
+
+    guest_detail = PostDetailPage(guest_page, base_url, slug)
+    guest_detail.open()
+    guest_page.wait_for_selector('[data-testid="error-code"]')
+    assert guest_page.locator('[data-testid="error-code"]').text_content() == "404"

tests/e2e/test_pagination.py

@@ -0,0 +1,111 @@
+"""End-to-end tests for pagination on the home and posts listing pages.
+
+Tests that pagination controls appear when there are more posts than the
+page size, that navigation between pages works, and that boundary controls
+are correctly disabled on the first and last pages.
+"""
+
+from __future__ import annotations
+
+import pytest
+from playwright.sync_api import Page
+
+from tests.e2e.pages import HomePage
+
+
+def _seed_posts(page: Page, base_url: str, count: int) -> None:
+    """Create published posts via form POST to ensure pagination exists.
+
+    Args:
+        page: Authenticated Playwright page.
+        base_url: Application base URL.
+        count: Number of posts to create.
+    """
+    for idx in range(count):
+        response = page.request.post(
+            f"{base_url}/web/posts/new",
+            form={
+                "title": f"Pagination Seed {idx:03d}",
+                "content": f"Content for seed post {idx}.",
+                "tags": "pagination",
+                "action": "publish",
+            },
+        )
+        assert response.ok, f"Failed to create post {idx}: {response.status}"
+
+
+@pytest.mark.e2e
+def test_pagination_navigation_across_pages(
+    user_page: Page,
+    base_url: str,
+) -> None:
+    """Test pagination navigation between pages.
+
+    Steps:
+        1. Ensure enough posts exist for pagination.
+        2. Open home page and verify page 1 boundary state.
+        3. Click "Next" and verify page advances.
+        4. Click "Previous" and verify back on page 1.
+
+    Args:
+        user_page: Playwright page authenticated as regular user.
+        base_url: Application base URL.
+    """
+    home = HomePage(user_page, base_url)
+    home.open()
+
+    if not home.can_go_next():
+        _seed_posts(user_page, base_url, 12)
+        home.open()
+
+    assert home.get_current_page() == 1
+    assert not home.can_go_prev()
+    assert home.can_go_next()
+    assert home.count_posts() <= 10
+
+    with user_page.expect_navigation(wait_until="networkidle"):
+        home.go_to_next_page()
+
+    assert home.get_current_page() == 2
+    assert home.can_go_prev()
+    assert home.count_posts() <= 10
+
+    with user_page.expect_navigation(wait_until="networkidle"):
+        home.go_to_prev_page()
+
+    assert home.get_current_page() == 1
+    assert not home.can_go_prev()
+
+
+@pytest.mark.e2e
+def test_pagination_boundary_on_last_page(
+    user_page: Page,
+    base_url: str,
+) -> None:
+    """Test that the last page has "Next" disabled and "Previous" enabled.
+
+    Steps:
+        1. Ensure enough posts exist for pagination.
+        2. Navigate through all pages to the last one.
+        3. Verify boundary controls on the last page.
+
+    Args:
+        user_page: Playwright page authenticated as regular user.
+        base_url: Application base URL.
+    """
+    home = HomePage(user_page, base_url)
+    home.open()
+
+    if not home.can_go_next():
+        _seed_posts(user_page, base_url, 12)
+        home.open()
+
+    assert home.can_go_next()
+
+    while home.can_go_next():
+        with user_page.expect_navigation(wait_until="networkidle"):
+            home.go_to_next_page()
+
+    assert home.can_go_prev()
+    assert not home.can_go_next()
+    assert home.count_posts() <= 10

tests/e2e/test_post_deletion.py

@@ -0,0 +1,175 @@
+"""End-to-end tests for post deletion via web UI.
+
+Tests that users can delete their own posts, admins can delete any post,
+and regular users cannot delete posts they do not own.
+"""
+
+from __future__ import annotations
+
+import uuid
+
+import pytest
+from playwright.sync_api import Page
+from pytfm.generators import PostDataGenerator
+
+from tests.e2e.pages import HomePage, PostDetailPage, PostFormPage
+
+
+def _unique_title(base: str) -> str:
+    """Append a short UUID to a title to avoid slug collisions."""
+    return f"{base} {uuid.uuid4().hex[:8]}"
+
+
+@pytest.mark.e2e
+def test_user_can_delete_own_post(
+    user_page: Page,
+    base_url: str,
+) -> None:
+    """Test that a user can delete their own post.
+
+    Steps:
+        1. User creates and publishes a post.
+        2. User opens the post detail page.
+        3. User clicks delete and confirms.
+        4. Verify redirect to home page.
+        5. Verify the post no longer appears in the list.
+
+    Args:
+        user_page: Playwright page authenticated as regular user.
+        base_url: Application base URL.
+    """
+    generator = PostDataGenerator()
+    post_data = generator.generate_post()
+    title = _unique_title(str(post_data["title"]))
+    content = str(post_data["content"])
+    tags = ", ".join(post_data["tags"])
+
+    home = HomePage(user_page, base_url)
+    home.open()
+    home.create_post()
+
+    form = PostFormPage(user_page, base_url)
+    form.fill_form(title, content, tags)
+    with user_page.expect_navigation(wait_until="networkidle"):
+        form.publish()
+    current_url = user_page.url
+    assert "new" not in current_url, f"Still on form page: {current_url}"
+    slug = current_url.rstrip("/").split("/")[-1]
+
+    user_page.wait_for_selector('[data-testid="post-detail-title"]')
+    detail = PostDetailPage(user_page, base_url, slug)
+    assert detail.get_title() == title
+    assert detail.can_delete()
+
+    with user_page.expect_navigation(wait_until="networkidle"):
+        detail.delete()
+    current_url = user_page.url
+    assert current_url.rstrip("/").endswith("/web")
+
+    response = user_page.request.get(f"{base_url}/web/posts/{slug}")
+    assert response.status == 404
+
+
+@pytest.mark.e2e
+def test_admin_can_delete_any_post(
+    user_page: Page,
+    admin_page: Page,
+    base_url: str,
+) -> None:
+    """Test that admin can delete a post created by another user.
+
+    Steps:
+        1. User creates and publishes a post.
+        2. Admin opens the post detail page.
+        3. Admin clicks delete and confirms.
+        4. Verify redirect to home page.
+        5. Verify the post no longer appears in the list.
+
+    Args:
+        user_page: Playwright page authenticated as regular user.
+        admin_page: Playwright page authenticated as admin.
+        base_url: Application base URL.
+    """
+    generator = PostDataGenerator()
+    post_data = generator.generate_post()
+    title = _unique_title(str(post_data["title"]))
+    content = str(post_data["content"])
+    tags = ", ".join(post_data["tags"])
+
+    home = HomePage(user_page, base_url)
+    home.open()
+    home.create_post()
+
+    form = PostFormPage(user_page, base_url)
+    form.fill_form(title, content, tags)
+    with user_page.expect_navigation(wait_until="networkidle"):
+        form.publish()
+    current_url = user_page.url
+    assert "new" not in current_url, f"Still on form page: {current_url}"
+    slug = current_url.rstrip("/").split("/")[-1]
+
+    user_page.wait_for_selector('[data-testid="post-detail-title"]')
+    detail = PostDetailPage(user_page, base_url, slug)
+    assert detail.get_title() == title
+
+    admin_detail = PostDetailPage(admin_page, base_url, slug)
+    admin_detail.open()
+    assert admin_detail.can_delete()
+
+    with admin_page.expect_navigation(wait_until="networkidle"):
+        admin_detail.delete()
+    current_url = admin_page.url
+    assert current_url.rstrip("/").endswith("/web")
+
+    response = admin_page.request.get(f"{base_url}/web/posts/{slug}")
+    assert response.status == 404
+
+
+@pytest.mark.e2e
+def test_user_cannot_delete_other_users_post(
+    user_page: Page,
+    user2_page: Page,
+    base_url: str,
+) -> None:
+    """Test that a regular user cannot delete another user's post.
+
+    Steps:
+        1. User creates and publishes a post.
+        2. User2 opens the post detail page.
+        3. Verify the delete button is not visible.
+        4. User2 attempts a direct POST to the delete endpoint.
+        5. Verify a 403 error page is returned.
+
+    Args:
+        user_page: Playwright page authenticated as the first regular user.
+        user2_page: Playwright page authenticated as the second regular user.
+        base_url: Application base URL.
+    """
+    generator = PostDataGenerator()
+    post_data = generator.generate_post()
+    title = _unique_title(str(post_data["title"]))
+    content = str(post_data["content"])
+    tags = ", ".join(post_data["tags"])
+
+    home = HomePage(user_page, base_url)
+    home.open()
+    home.create_post()
+
+    form = PostFormPage(user_page, base_url)
+    form.fill_form(title, content, tags)
+    with user_page.expect_navigation(wait_until="networkidle"):
+        form.publish()
+    current_url = user_page.url
+    assert "new" not in current_url, f"Still on form page: {current_url}"
+    slug = current_url.rstrip("/").split("/")[-1]
+
+    user_page.wait_for_selector('[data-testid="post-detail-title"]')
+    detail = PostDetailPage(user_page, base_url, slug)
+    assert detail.get_title() == title
+
+    user2_detail = PostDetailPage(user2_page, base_url, slug)
+    user2_detail.open()
+    assert not user2_detail.can_delete()
+
+    response = user2_page.request.post(f"{base_url}/web/posts/{slug}/delete")
+    assert response.status == 403

tests/e2e/test_post_lifecycle.py

@@ -6,6 +6,8 @@ and visibility verification across different user roles.
 
 from __future__ import annotations
 
+import uuid
+
 import pytest
 from playwright.sync_api import Page
 from pytfm.generators import PostDataGenerator
@@ -13,6 +15,11 @@ from pytfm.generators import PostDataGenerator
 from tests.e2e.pages import HomePage, PostDetailPage, PostFormPage
 
 
+def _unique_title(base: str) -> str:
+    """Append a short UUID to a title to avoid slug collisions."""
+    return f"{base} {uuid.uuid4().hex[:8]}"
+
+
 @pytest.mark.e2e
 def test_user_creates_and_publishes_post_visible_to_guest_and_admin(
     user_page: Page,
@@ -41,7 +48,7 @@ def test_user_creates_and_publishes_post_visible_to_guest_and_admin(
     """
     generator = PostDataGenerator()
     post_data = generator.generate_post()
-    title = str(post_data["title"])
+    title = _unique_title(str(post_data["title"]))
     content = str(post_data["content"])
     tags = ", ".join(post_data["tags"])
 
@@ -51,12 +58,8 @@ def test_user_creates_and_publishes_post_visible_to_guest_and_admin(
 
     form = PostFormPage(user_page, base_url)
     form.fill_form(title, content, tags)
+    with user_page.expect_navigation(wait_until="networkidle"):
         form.publish()
-
-    user_page.wait_for_url(
-        lambda url: "/web/posts/" in url and "new" not in url,
-        timeout=15000,
-    )
     current_url = user_page.url
     assert "new" not in current_url, f"Still on form page: {current_url}"
     slug = current_url.rstrip("/").split("/")[-1]
@@ -117,7 +120,7 @@ def test_post_visibility_policies_across_users(
     generator = PostDataGenerator()
 
     draft_data = generator.generate_post()
-    draft_title = str(draft_data["title"])
+    draft_title = _unique_title(str(draft_data["title"]))
     draft_content = str(draft_data["content"])
     draft_tags = ", ".join(draft_data["tags"])
 
@@ -127,12 +130,8 @@ def test_post_visibility_policies_across_users(
 
     form = PostFormPage(user_page, base_url)
     form.fill_form(draft_title, draft_content, draft_tags)
+    with user_page.expect_navigation(wait_until="networkidle"):
         form.save_draft()
-
-    user_page.wait_for_url(
-        lambda url: "/web/posts/" in url and "new" not in url,
-        timeout=15000,
-    )
     draft_url = user_page.url
     assert "new" not in draft_url, f"Still on form page: {draft_url}"
     draft_slug = draft_url.rstrip("/").split("/")[-1]
@@ -143,7 +142,7 @@ def test_post_visibility_policies_across_users(
     assert not draft_detail.is_published()
 
     published_data = generator.generate_post()
-    published_title = str(published_data["title"])
+    published_title = _unique_title(str(published_data["title"]))
     published_content = str(published_data["content"])
     published_tags = ", ".join(published_data["tags"])
 
@@ -152,12 +151,8 @@ def test_post_visibility_policies_across_users(
 
     form = PostFormPage(user_page, base_url)
     form.fill_form(published_title, published_content, published_tags)
+    with user_page.expect_navigation(wait_until="networkidle"):
         form.publish()
-
-    user_page.wait_for_url(
-        lambda url: "/web/posts/" in url and "new" not in url,
-        timeout=15000,
-    )
     published_url = user_page.url
     assert "new" not in published_url, f"Still on form page: {published_url}"
     published_slug = published_url.rstrip("/").split("/")[-1]
@@ -190,3 +185,68 @@ def test_post_visibility_policies_across_users(
     user2_page.wait_for_selector('[data-testid="error-code"]', timeout=10000)
     error_code = user2_page.locator('[data-testid="error-code"]').text_content()
     assert error_code == "404"
+
+
+@pytest.mark.e2e
+def test_user_saves_draft_then_publishes_via_edit(
+    user_page: Page,
+    guest_page: Page,
+    base_url: str,
+) -> None:
+    """Test draft-to-publish flow through the web UI.
+
+    Steps:
+        1. User creates a post and saves it as draft.
+        2. Verify the post shows Draft status and guest cannot see it.
+        3. User opens the edit form and clicks Update Post (publish).
+        4. Verify the post shows Published status and guest can now see it.
+
+    Args:
+        user_page: Playwright page authenticated as regular user.
+        guest_page: Unauthenticated Playwright page.
+        base_url: Application base URL.
+    """
+    generator = PostDataGenerator()
+    post_data = generator.generate_post()
+    title = _unique_title(str(post_data["title"]))
+    content = str(post_data["content"])
+    tags = ", ".join(post_data["tags"])
+
+    home = HomePage(user_page, base_url)
+    home.open()
+    home.create_post()
+
+    form = PostFormPage(user_page, base_url)
+    form.fill_form(title, content, tags)
+    with user_page.expect_navigation(wait_until="networkidle"):
+        form.save_draft()
+    current_url = user_page.url
+    assert "new" not in current_url, f"Still on form page: {current_url}"
+    slug = current_url.rstrip("/").split("/")[-1]
+
+    user_page.wait_for_selector('[data-testid="post-detail-title"]')
+    detail = PostDetailPage(user_page, base_url, slug)
+    assert detail.get_title() == title
+    assert detail.get_status() == "Draft"
+
+    guest_home = HomePage(guest_page, base_url)
+    guest_home.open()
+    assert guest_home.has_no_post_with_title(title)
+
+    detail.edit()
+    user_page.wait_for_url(
+        lambda url: f"/web/posts/{slug}/edit" in url,
+        timeout=15000,
+    )
+
+    edit_form = PostFormPage(user_page, base_url)
+    with user_page.expect_navigation(wait_until="networkidle"):
+        edit_form.publish()
+
+    user_page.wait_for_selector('[data-testid="post-detail-title"]')
+    updated_detail = PostDetailPage(user_page, base_url, slug)
+    assert updated_detail.get_title() == title
+    assert updated_detail.get_status() == "Published"
+
+    guest_home.open()
+    assert guest_home.has_post_with_title(title)

tests/e2e/test_post_ownership.py

@@ -6,6 +6,8 @@ cannot edit posts they do not own.
 
 from __future__ import annotations
 
+import uuid
+
 import pytest
 from playwright.sync_api import Page
 from pytfm.generators import PostDataGenerator
@@ -13,6 +15,11 @@ from pytfm.generators import PostDataGenerator
 from tests.e2e.pages import HomePage, PostDetailPage, PostFormPage
 
 
+def _unique_title(base: str) -> str:
+    """Append a short UUID to a title to avoid slug collisions."""
+    return f"{base} {uuid.uuid4().hex[:8]}"
+
+
 @pytest.mark.e2e
 def test_admin_can_edit_any_post(
     user_page: Page,
@@ -34,7 +41,7 @@ def test_admin_can_edit_any_post(
     """
     generator = PostDataGenerator()
     post_data = generator.generate_post()
-    title = str(post_data["title"])
+    title = _unique_title(str(post_data["title"]))
     content = str(post_data["content"])
     tags = ", ".join(post_data["tags"])
 
@@ -44,12 +51,8 @@ def test_admin_can_edit_any_post(
 
     form = PostFormPage(user_page, base_url)
     form.fill_form(title, content, tags)
+    with user_page.expect_navigation(wait_until="networkidle"):
         form.publish()
-
-    user_page.wait_for_url(
-        lambda url: "/web/posts/" in url and "new" not in url,
-        timeout=15000,
-    )
     current_url = user_page.url
     assert "new" not in current_url, f"Still on form page: {current_url}"
     slug = current_url.rstrip("/").split("/")[-1]
@@ -69,12 +72,13 @@ def test_admin_can_edit_any_post(
     )
 
     new_data = generator.generate_post()
-    new_title = str(new_data["title"])
+    new_title = _unique_title(str(new_data["title"]))
     new_content = str(new_data["content"])
     new_tags = ", ".join(new_data["tags"])
 
     admin_form = PostFormPage(admin_page, base_url)
     admin_form.fill_form(new_title, new_content, new_tags)
+    with admin_page.expect_navigation(wait_until="networkidle"):
         admin_form.publish()
 
     admin_page.wait_for_selector(
@@ -87,6 +91,72 @@ def test_admin_can_edit_any_post(
     assert updated_status == "Published"
 
 
+@pytest.mark.e2e
+def test_user_can_edit_own_post(
+    user_page: Page,
+    base_url: str,
+) -> None:
+    """Test that a user can edit their own post.
+
+    Steps:
+        1. User creates and publishes a post.
+        2. User opens the post detail page and clicks edit.
+        3. User changes the title and saves.
+        4. Verify the post detail shows the updated title.
+
+    Args:
+        user_page: Playwright page authenticated as regular user.
+        base_url: Application base URL.
+    """
+    generator = PostDataGenerator()
+    post_data = generator.generate_post()
+    title = _unique_title(str(post_data["title"]))
+    content = str(post_data["content"])
+    tags = ", ".join(post_data["tags"])
+
+    home = HomePage(user_page, base_url)
+    home.open()
+    home.create_post()
+
+    form = PostFormPage(user_page, base_url)
+    form.fill_form(title, content, tags)
+    with user_page.expect_navigation(wait_until="networkidle"):
+        form.publish()
+    current_url = user_page.url
+    assert "new" not in current_url, f"Still on form page: {current_url}"
+    slug = current_url.rstrip("/").split("/")[-1]
+
+    user_page.wait_for_selector('[data-testid="post-detail-title"]')
+    detail = PostDetailPage(user_page, base_url, slug)
+    assert detail.get_title() == title
+    assert detail.can_edit()
+
+    detail.edit()
+    user_page.wait_for_url(
+        lambda url: f"/web/posts/{slug}/edit" in url,
+        timeout=15000,
+    )
+
+    new_data = generator.generate_post()
+    new_title = _unique_title(str(new_data["title"]))
+    new_content = str(new_data["content"])
+    new_tags = ", ".join(new_data["tags"])
+
+    edit_form = PostFormPage(user_page, base_url)
+    edit_form.fill_form(new_title, new_content, new_tags)
+    with user_page.expect_navigation(wait_until="networkidle"):
+        edit_form.publish()
+
+    user_page.wait_for_selector(
+        '[data-testid="post-detail-title"]',
+        timeout=15000,
+    )
+    updated_title = user_page.locator('[data-testid="post-detail-title"]').text_content()
+    assert updated_title == new_title
+    updated_status = user_page.locator('[data-testid="post-detail-status"]').text_content()
+    assert updated_status == "Published"
+
+
 @pytest.mark.e2e
 def test_user_cannot_edit_other_users_post(
     user_page: Page,
@@ -109,7 +179,7 @@ def test_user_cannot_edit_other_users_post(
     """
     generator = PostDataGenerator()
     post_data = generator.generate_post()
-    title = str(post_data["title"])
+    title = _unique_title(str(post_data["title"]))
     content = str(post_data["content"])
     tags = ", ".join(post_data["tags"])
 
@@ -119,12 +189,8 @@ def test_user_cannot_edit_other_users_post(
 
     form = PostFormPage(user_page, base_url)
     form.fill_form(title, content, tags)
+    with user_page.expect_navigation(wait_until="networkidle"):
         form.publish()
-
-    user_page.wait_for_url(
-        lambda url: "/web/posts/" in url and "new" not in url,
-        timeout=15000,
-    )
     current_url = user_page.url
     assert "new" not in current_url, f"Still on form page: {current_url}"
     slug = current_url.rstrip("/").split("/")[-1]

tests/e2e/test_profile_and_theme.py

@@ -0,0 +1,114 @@
+"""End-to-end tests for profile page and theme toggle.
+
+Tests that authenticated users can view their profile with correct data
+and that the theme switcher toggles between light and dark modes with
+localStorage persistence.
+"""
+
+from __future__ import annotations
+
+import pytest
+from playwright.sync_api import Page
+
+
+@pytest.mark.e2e
+def test_user_profile_page_renders_correctly(
+    user_page: Page,
+    admin_page: Page,
+    base_url: str,
+) -> None:
+    """Test that profile page displays user info, role badge, and actions.
+
+    Steps:
+        1. User navigates to /web/profile.
+        2. Verify username, role badge, email, and user ID are visible.
+        3. Admin navigates to /web/profile.
+        4. Verify admin sees ADMIN role badge with primary CSS class.
+        5. Guest attempts to access /web/profile and is redirected to login.
+
+    Args:
+        user_page: Playwright page authenticated as regular user.
+        admin_page: Playwright page authenticated as admin.
+        base_url: Application base URL.
+    """
+    user_page.goto(f"{base_url}/web/profile")
+    user_page.wait_for_selector('[data-testid="profile-username"]')
+
+    username = user_page.locator('[data-testid="profile-username"]').text_content()
+    assert username
+    assert len(username) > 0
+
+    role = user_page.locator('[data-testid="profile-role"]').text_content()
+    assert "USER" in role
+
+    role_class = user_page.locator('[data-testid="profile-role"]').evaluate(
+        "el => el.className",
+    )
+    assert "badge-success" in role_class
+
+    user_id = user_page.locator('[data-testid="profile-value-userid"]').text_content()
+    assert user_id
+    assert len(user_id) > 0
+
+    assert user_page.locator('[data-testid="btn-create-post-profile"]').is_visible()
+
+    admin_page.goto(f"{base_url}/web/profile")
+    admin_page.wait_for_selector('[data-testid="profile-username"]')
+
+    admin_role = admin_page.locator('[data-testid="profile-role"]').text_content()
+    assert "ADMIN" in admin_role
+
+    admin_role_class = admin_page.locator('[data-testid="profile-role"]').evaluate(
+        "el => el.className",
+    )
+    assert "badge-primary" in admin_role_class
+
+
+@pytest.mark.e2e
+def test_theme_toggle_switches_between_light_and_dark(
+    user_page: Page,
+    base_url: str,
+) -> None:
+    """Test that the theme toggle switches between light and dark modes.
+
+    Steps:
+        1. Open home page and read initial theme from html data-theme.
+        2. Click the theme toggle button.
+        3. Verify the theme attribute flips and localStorage updates.
+        4. Click again and verify it flips back.
+        5. Verify icon visibility changes accordingly.
+
+    Args:
+        user_page: Playwright page authenticated as regular user.
+        base_url: Application base URL.
+    """
+    user_page.goto(f"{base_url}/web/")
+    user_page.wait_for_selector('[data-testid="theme-toggle"]')
+
+    initial_theme = user_page.evaluate(
+        "() => document.documentElement.getAttribute('data-theme')",
+    )
+    assert initial_theme in ("light", "dark")
+
+    user_page.locator('[data-testid="theme-toggle"]').click()
+    user_page.wait_for_timeout(300)
+
+    new_theme = user_page.evaluate(
+        "() => document.documentElement.getAttribute('data-theme')",
+    )
+    assert new_theme != initial_theme
+    assert new_theme in ("light", "dark")
+
+    stored = user_page.evaluate("() => localStorage.getItem('blog-theme')")
+    assert stored == new_theme
+
+    user_page.locator('[data-testid="theme-toggle"]').click()
+    user_page.wait_for_timeout(300)
+
+    restored_theme = user_page.evaluate(
+        "() => document.documentElement.getAttribute('data-theme')",
+    )
+    assert restored_theme == initial_theme
+
+    stored_restored = user_page.evaluate("() => localStorage.getItem('blog-theme')")
+    assert stored_restored == initial_theme