diff --git a/apps/api/plane/tests/test_models_project.py b/apps/api/plane/tests/test_models_project.py
new file mode 100644
index 00000000000..0f09e9f7c0d
--- /dev/null
+++ b/apps/api/plane/tests/test_models_project.py
@@ -0,0 +1,205 @@
+# Testing library/framework: pytest + pytest-django + factory_boy
+import pytest
+import pytz
+from django.core.exceptions import ValidationError
+from django.db import IntegrityError
+from django.utils import timezone
+
+# Prefer existing FactoryBoy factories defined in the repo
+from plane.tests.factories import WorkspaceFactory, UserFactory, ProjectFactory
+
+# Import models and helpers under test
+from plane.db.models.project import (
+    Project,
+    ProjectMember,
+    ProjectMemberInvite,
+    ProjectIdentifier,
+    ProjectDeployBoard,
+    ProjectPublicMember,
+    ROLE,
+    ROLE_CHOICES,
+    ProjectNetwork,
+    get_default_props,
+    get_default_preferences,
+    get_default_views,
+)
+
+# FileAsset is optional in some environments; guard import
+try:
+    from plane.db.models.asset import FileAsset
+except Exception:
+    FileAsset = None
+
+
+@pytest.mark.django_db
+class TestProjectModel:
+    def test_identifier_is_stripped_and_uppercased_on_save(self):
+        ws = WorkspaceFactory()
+        proj = Project.objects.create(
+            name="Alpha",
+            identifier="  al-1 ",
+            workspace=ws,
+        )
+        proj.refresh_from_db()
+        assert proj.identifier == "AL-1"
+
+    def test_cover_image_url_resolution_and_precedence(self):
+        ws = WorkspaceFactory()
+        proj = ProjectFactory(workspace=ws)
+
+        # No cover data
+        proj.cover_image = None
+        proj.cover_image_asset = None
+        assert proj.cover_image_url is None
+
+        # Text cover image
+        proj.cover_image = "https://cdn.example.com/cover.jpg"
+        assert proj.cover_image_url == "https://cdn.example.com/cover.jpg"
+
+        # FileAsset should take precedence when present
+        if FileAsset:
+            asset = FileAsset.objects.create(asset_url="https://assets.example.com/a.png")
+            proj.cover_image_asset = asset
+            assert proj.cover_image_url == "https://assets.example.com/a.png"
+
+    def test___str___format(self):
+        ws = WorkspaceFactory(name="Team Rocket")
+        proj = ProjectFactory(name="Gamma", identifier="GMM", workspace=ws)
+        assert str(proj) == "Gamma <Team Rocket>"
+
+    def test_timezone_default_and_choices_include_utc(self):
+        ws = WorkspaceFactory()
+        proj = ProjectFactory(workspace=ws, timezone="UTC")
+        assert proj.timezone == "UTC"
+        assert ("UTC", "UTC") in Project.TIMEZONE_CHOICES
+        assert "UTC" in pytz.common_timezones
+
+    def test_archive_close_in_validators_bounds(self):
+        ws = WorkspaceFactory()
+        proj = Project(name="Delta", identifier="DLT", workspace=ws, archive_in=0, close_in=12)
+        # Valid
+        proj.full_clean()
+
+        # Invalid negative
+        proj.archive_in = -1
+        with pytest.raises(ValidationError):
+            proj.full_clean()
+
+        # Invalid > 12
+        proj.archive_in = 0
+        proj.close_in = 13
+        with pytest.raises(ValidationError):
+            proj.full_clean()
+
+    def test_unique_identifier_and_name_per_workspace_with_soft_delete(self):
+        ws = WorkspaceFactory()
+        p1 = Project.objects.create(name="Echo", identifier="ECH", workspace=ws)
+
+        # Duplicates while not soft-deleted -> IntegrityError
+        with pytest.raises(IntegrityError):
+            Project.objects.create(name="Echo", identifier="ECH2", workspace=ws)
+        with pytest.raises(IntegrityError):
+            Project.objects.create(name="Foxtrot", identifier="ECH", workspace=ws)
+
+        # Soft-delete first, then allow duplicates for the constrained fields
+        p1.deleted_at = timezone.now()
+        p1.save(update_fields=["deleted_at"])
+
+        Project.objects.create(name="Echo", identifier="ECHX", workspace=ws)
+        Project.objects.create(name="Zulu", identifier="ECH", workspace=ws)
+
+    def test_network_choices_and_enum(self):
+        assert Project.NETWORK_CHOICES == ((0, "Secret"), (2, "Public"))
+        assert ProjectNetwork.choices() == [(0, "Secret"), (2, "Public")]
+
+
+@pytest.mark.django_db
+class TestProjectBaseAndMembers:
+    def test_projectbasemodel_sets_workspace_on_save_for_invite(self):
+        ws = WorkspaceFactory()
+        proj = ProjectFactory(workspace=ws)
+        inv = ProjectMemberInvite.objects.create(project=proj, email="invitee@example.com", token="tok")
+        inv.refresh_from_db()
+        assert inv.workspace_id == proj.workspace_id
+        assert str(inv) == f"{proj.name} invitee@example.com {inv.accepted}"
+
+    def test_projectmember_sort_order_initialization(self):
+        ws = WorkspaceFactory()
+        user = UserFactory()
+        proj_a = ProjectFactory(workspace=ws)
+        proj_b = ProjectFactory(workspace=ws)
+
+        # First membership => default 65535
+        m1 = ProjectMember.objects.create(project=proj_a, member=user)
+        assert pytest.approx(m1.sort_order) == 65535
+
+        # Second membership for same user in same workspace => smallest - 10000
+        m2 = ProjectMember.objects.create(project=proj_b, member=user)
+        assert m2.sort_order == m1.sort_order - 10000
+
+    def test_projectmember_defaults_role_props_and_str(self):
+        ws = WorkspaceFactory()
+        user = UserFactory()
+        proj = ProjectFactory(workspace=ws)
+
+        member = ProjectMember.objects.create(project=proj, member=user)
+
+        # Role defaults
+        assert member.role == ROLE.GUEST.value == 5
+        assert ROLE_CHOICES == ((20, "Admin"), (15, "Member"), (5, "Guest"))
+
+        # Default props/preferences
+        assert member.view_props == get_default_props()
+        assert member.default_props == get_default_props()
+        assert member.preferences == get_default_preferences()
+
+        assert str(member) == f"{user.email} <{proj.name}>"
+
+
+@pytest.mark.django_db
+class TestProjectIdentifierAndDeployBoard:
+    def test_project_identifier_unique_with_soft_delete(self):
+        ws = WorkspaceFactory()
+        proj = ProjectFactory(workspace=ws, identifier="MU", name="Mu")
+        pid1 = ProjectIdentifier.objects.create(project=proj, workspace=ws, name="MU")
+
+        with pytest.raises(IntegrityError):
+            ProjectIdentifier.objects.create(project=proj, workspace=ws, name="MU")
+
+        pid1.deleted_at = timezone.now()
+        pid1.save(update_fields=["deleted_at"])
+
+        # Now allowed after soft-delete
+        ProjectIdentifier.objects.create(project=proj, workspace=ws, name="MU")
+
+    def test_deploy_board_defaults_and_str(self):
+        ws = WorkspaceFactory()
+        proj = ProjectFactory(workspace=ws)
+        board = ProjectDeployBoard.objects.create(project=proj)
+
+        assert isinstance(board.anchor, str) and len(board.anchor) >= 32
+        assert board.views == get_default_views()
+        assert str(board) == f"{board.anchor} <{proj.name}>"
+
+    def test_get_default_views_contents(self):
+        assert get_default_views() == {
+            "list": True,
+            "kanban": True,
+            "calendar": True,
+            "gantt": True,
+            "spreadsheet": True,
+        }
+
+
+@pytest.mark.django_db
+class TestProjectPublicMember:
+    def test_unique_constraint_on_public_member(self):
+        ws = WorkspaceFactory()
+        user = UserFactory()
+        proj = ProjectFactory(workspace=ws)
+
+        pm1 = ProjectPublicMember.objects.create(project=proj, member=user)
+        assert pm1.pk is not None
+
+        with pytest.raises(IntegrityError):
+            ProjectPublicMember.objects.create(project=proj, member=user)
\ No newline at end of file
diff --git a/apps/api/plane/tests/test_permissions_base_decorator_behaviors.py b/apps/api/plane/tests/test_permissions_base_decorator_behaviors.py
new file mode 100644
index 00000000000..82e7d2917ad
--- /dev/null
+++ b/apps/api/plane/tests/test_permissions_base_decorator_behaviors.py
@@ -0,0 +1,213 @@
+import builtins
+from types import SimpleNamespace
+from unittest.mock import patch, MagicMock
+
+import pytest
+from rest_framework.response import Response
+from rest_framework import status
+
+# Import the decorator and ROLE enum from the provided module
+from apps.api.plane.tests.test_permissions_base import allow_permission, ROLE
+
+# Helper: minimal request/user and dummy view
+class DummyUser(SimpleNamespace):
+    pass
+
+class DummyRequest(SimpleNamespace):
+    pass
+
+def dummy_view(instance, request, *args, **kwargs):
+    return Response({"ok": True}, status=status.HTTP_200_OK)
+
+@pytest.fixture
+def user():
+    return DummyUser(id=1, username="u1")
+
+@pytest.fixture
+def request(user):
+    return DummyRequest(user=user)
+
+@pytest.fixture
+def view_instance():
+    # For function-based views 'instance' is unused; for method-decorated views could be 'self'
+    return object()
+
+def _wrap_and_call(deco, request, view_instance=None, **kwargs):
+    wrapped = deco(dummy_view)
+    return wrapped(view_instance or object(), request, **kwargs)
+
+def make_exists_mock(result: bool):
+    # Returns a mock for model.objects.filter(...).exists() chain
+    exists_mock = MagicMock(return_value=result)
+    filter_mock = MagicMock(return_value=SimpleNamespace(exists=exists_mock))
+    objects_mock = SimpleNamespace(filter=filter_mock)
+    return objects_mock, filter_mock, exists_mock
+
+# --- Tests ---
+
+def test_allows_when_creator_matches_model_pk_and_created_by(request, view_instance):
+    # If creator=True and model is supplied, creator match should short-circuit and allow regardless of roles
+    class DummyModel:
+        pass
+
+    objects_mock, filter_mock, exists_mock = make_exists_mock(True)
+    with patch.object(DummyModel, "objects", objects_mock):
+        deco = allow_permission(allowed_roles=[ROLE.GUEST], level="PROJECT", creator=True, model=DummyModel)
+        resp = _wrap_and_call(deco, request, view_instance, pk=123, slug="ws", project_id=456)
+
+    filter_mock.assert_called_once()
+    # Ensure query filters by id and created_by
+    assert filter_mock.call_args.kwargs.get("id") == 123
+    assert filter_mock.call_args.kwargs.get("created_by") is request.user
+    exists_mock.assert_called_once()
+    assert isinstance(resp, Response) and resp.status_code == 200 and resp.data == {"ok": True}
+
+@pytest.mark.parametrize(
+    "allowed_roles_input",
+    [
+        [ROLE.ADMIN, ROLE.MEMBER],   # enum members
+        [20, 15],                    # numeric roles
+        [ROLE.ADMIN.value, ROLE.MEMBER.value],  # explicit ints
+    ],
+)
+def test_workspace_level_allows_when_workspace_member_has_allowed_role(request, view_instance, allowed_roles_input):
+    # WorkspaceMember.exists() -> True should allow
+    WM_objects, WM_filter, WM_exists = make_exists_mock(True)
+    with patch("apps.api.plane.tests.test_permissions_base.WorkspaceMember") as WM, \
+         patch("apps.api.plane.tests.test_permissions_base.ProjectMember") as PM:
+        WM.objects = WM_objects
+        # ProjectMember shouldn't be called at WORKSPACE level when allowed
+        PM.objects = SimpleNamespace(filter=MagicMock())
+
+        deco = allow_permission(allowed_roles=allowed_roles_input, level="WORKSPACE")
+        resp = _wrap_and_call(deco, request, view_instance, slug="acme", project_id=999, pk=1)
+
+    WM_filter.assert_called_once()
+    assert WM_exists.called
+    assert resp.status_code == 200
+
+def test_workspace_level_denies_when_no_allowed_role_or_inactive(request, view_instance):
+    # WorkspaceMember.exists() -> False should deny (no project fallback at WORKSPACE level)
+    WM_objects, WM_filter, WM_exists = make_exists_mock(False)
+    with patch("apps.api.plane.tests.test_permissions_base.WorkspaceMember") as WM:
+        WM.objects = WM_objects
+        deco = allow_permission(allowed_roles=[ROLE.ADMIN], level="WORKSPACE")
+        resp = _wrap_and_call(deco, request, view_instance, slug="acme", project_id=1, pk=1)
+
+    assert resp.status_code == status.HTTP_403_FORBIDDEN
+    assert resp.data == {"error": "You don't have the required permissions."}
+
+def test_project_level_allows_when_project_member_has_allowed_role(request, view_instance):
+    PM_objects, PM_filter, PM_exists = make_exists_mock(True)
+    with patch("apps.api.plane.tests.test_permissions_base.ProjectMember") as PM, \
+         patch("apps.api.plane.tests.test_permissions_base.WorkspaceMember") as WM:
+        PM.objects = PM_objects
+        WM.objects = SimpleNamespace(filter=MagicMock())  # not used
+        deco = allow_permission(allowed_roles=[ROLE.MEMBER], level="PROJECT")
+        resp = _wrap_and_call(deco, request, view_instance, slug="acme", project_id=42, pk=7)
+
+    PM_filter.assert_called_once()
+    assert PM_exists.called
+    assert resp.status_code == 200
+
+def test_project_level_allows_when_workspace_admin_even_if_project_role_not_allowed(request, view_instance):
+    # First project role check -> False
+    PM_allowed_objects, PM_allowed_filter, PM_allowed_exists = make_exists_mock(False)
+    # Then project membership check (any role) -> True
+    PM_member_objects, PM_member_filter, PM_member_exists = make_exists_mock(True)
+    # Workspace admin check -> True
+    WM_admin_objects, WM_admin_filter, WM_admin_exists = make_exists_mock(True)
+
+    def pm_filter_side_effect(*args, **kwargs):
+        # For role__in present, use allowed False; otherwise for membership True
+        if "role__in" in kwargs:
+            return PM_allowed_objects.filter(**kwargs)
+        return PM_member_objects.filter(**kwargs)
+
+    with patch("apps.api.plane.tests.test_permissions_base.ProjectMember") as PM, \
+         patch("apps.api.plane.tests.test_permissions_base.WorkspaceMember") as WM:
+        PM.objects = SimpleNamespace(filter=MagicMock(side_effect=pm_filter_side_effect))
+        WM.objects = WM_admin_objects
+
+        deco = allow_permission(allowed_roles=[ROLE.GUEST], level="PROJECT")
+        resp = _wrap_and_call(deco, request, view_instance, slug="acme", project_id=123, pk=9)
+
+    # Confirm both the membership and admin checks participated
+    assert resp.status_code == 200
+    assert WM_admin_filter.called
+    assert PM_allowed_filter.called or PM.objects.filter.called
+
+def test_project_level_denies_when_not_allowed_role_not_member_or_not_workspace_admin(request, view_instance):
+    # All checks -> False
+    PM_allowed_objects, PM_allowed_filter, PM_allowed_exists = make_exists_mock(False)
+    PM_member_objects, PM_member_filter, PM_member_exists = make_exists_mock(False)
+    WM_admin_objects, WM_admin_filter, WM_admin_exists = make_exists_mock(False)
+
+    def pm_filter_side_effect(*args, **kwargs):
+        if "role__in" in kwargs:
+            return PM_allowed_objects.filter(**kwargs)
+        return PM_member_objects.filter(**kwargs)
+
+    with patch("apps.api.plane.tests.test_permissions_base.ProjectMember") as PM, \
+         patch("apps.api.plane.tests.test_permissions_base.WorkspaceMember") as WM:
+        PM.objects = SimpleNamespace(filter=MagicMock(side_effect=pm_filter_side_effect))
+        WM.objects = WM_admin_objects
+
+        deco = allow_permission(allowed_roles=[ROLE.ADMIN], level="PROJECT")
+        resp = _wrap_and_call(deco, request, view_instance, slug="acme", project_id=99, pk=3)
+
+    assert resp.status_code == status.HTTP_403_FORBIDDEN
+    assert resp.data == {"error": "You don't have the required permissions."}
+
+def test_roles_accepts_mixed_enum_and_int_inputs(request, view_instance):
+    # Ensure conversion to values works: mix enum and ints
+    PM_objects, PM_filter, PM_exists = make_exists_mock(True)
+    with patch("apps.api.plane.tests.test_permissions_base.ProjectMember") as PM, \
+         patch("apps.api.plane.tests.test_permissions_base.WorkspaceMember") as WM:
+        PM.objects = PM_objects
+        WM.objects = SimpleNamespace(filter=MagicMock())
+        deco = allow_permission(allowed_roles=[ROLE.MEMBER, 5], level="PROJECT")
+        resp = _wrap_and_call(deco, request, view_instance, slug="acme", project_id=1, pk=1)
+
+    assert resp.status_code == 200
+    # Verify role__in passed as ints
+    passed_roles = PM_filter.call_args.kwargs.get("role__in")
+    assert isinstance(passed_roles, list)
+    assert all(isinstance(r, int) for r in passed_roles)
+
+def test_creator_flag_without_model_does_not_error_and_falls_back_to_role_checks(request, view_instance):
+    # creator=True but no model should not crash; proceed to role checks which we set to allow
+    PM_objects, PM_filter, PM_exists = make_exists_mock(True)
+    with patch("apps.api.plane.tests.test_permissions_base.ProjectMember") as PM, \
+         patch("apps.api.plane.tests.test_permissions_base.WorkspaceMember") as WM:
+        PM.objects = PM_objects
+        WM.objects = SimpleNamespace(filter=MagicMock())
+        deco = allow_permission(allowed_roles=[ROLE.ADMIN], level="PROJECT", creator=True, model=None)
+        resp = _wrap_and_call(deco, request, view_instance, slug="acme", project_id=11, pk=22)
+
+    assert resp.status_code == 200
+
+def test_missing_kwargs_results_in_403_in_project_level(request, view_instance):
+    # If required kwargs like slug or project_id are missing, filter will get KeyError before queries;
+    # The decorator accesses kwargs[...] so simulate missing and expect KeyError -> treat as failure handled by pytest
+    PM_objects, PM_filter, PM_exists = make_exists_mock(False)
+    with patch("apps.api.plane.tests.test_permissions_base.ProjectMember") as PM, \
+         patch("apps.api.plane.tests.test_permissions_base.WorkspaceMember") as WM:
+        PM.objects = PM_objects
+        WM.objects = SimpleNamespace(filter=MagicMock())
+
+        deco = allow_permission(allowed_roles=[ROLE.ADMIN], level="PROJECT")
+        with pytest.raises(KeyError):
+            _ = _wrap_and_call(deco, request, view_instance, pk=1)  # slug/project_id missing
+
+def test_inactive_members_are_not_considered(request, view_instance):
+    # Ensure is_active=True is part of filters; we validate by inspecting call kwargs
+    PM_objects, PM_filter, PM_exists = make_exists_mock(True)
+    with patch("apps.api.plane.tests.test_permissions_base.ProjectMember") as PM, \
+         patch("apps.api.plane.tests.test_permissions_base.WorkspaceMember") as WM:
+        PM.objects = PM_objects
+        WM.objects = SimpleNamespace(filter=MagicMock())
+        deco = allow_permission(allowed_roles=[ROLE.MEMBER], level="PROJECT")
+        _ = _wrap_and_call(deco, request, view_instance, slug="acme", project_id=1, pk=1)
+
+    assert PM_filter.call_args.kwargs.get("is_active") is True
\ No newline at end of file
diff --git a/apps/api/plane/tests/test_permissions_project_additional.py b/apps/api/plane/tests/test_permissions_project_additional.py
new file mode 100644
index 00000000000..7fdc76bb67b
--- /dev/null
+++ b/apps/api/plane/tests/test_permissions_project_additional.py
@@ -0,0 +1,278 @@
+import types
+from unittest.mock import MagicMock, patch
+
+import pytest
+
+# Subject under test: permission classes defined in the provided file
+from apps.api.plane.tests import test_permissions_project as perms
+
+
+def _req(user_is_anonymous: bool, method: str = "GET"):
+    return types.SimpleNamespace(
+        user=types.SimpleNamespace(is_anonymous=user_is_anonymous),
+        method=method,
+    )
+
+
+def _view(workspace_slug="ws-1", project_id=1, project_identifier=None):
+    v = types.SimpleNamespace(
+        workspace_slug=workspace_slug,
+        project_id=project_id,
+    )
+    if project_identifier is not None:
+        v.project_identifier = project_identifier
+    return v
+
+
+def _qs_with_exists(result: bool):
+    qs = MagicMock()
+    qs.exists.return_value = result
+    # Any nested filter(...) should return the same qs unless overridden in a test
+    qs.filter.return_value = qs
+    return qs
+
+
+@pytest.mark.parametrize("method", ["GET", "HEAD", "OPTIONS"])
+def test_project_base_permission_safe_methods_allowed_for_active_workspace_member(method):
+    request = _req(False, method)
+    view = _view()
+
+    with patch.object(perms.WorkspaceMember.objects, "filter") as wm_filter:
+        wm_filter.return_value = _qs_with_exists(True)
+
+        assert perms.ProjectBasePermission().has_permission(request, view) is True
+
+        wm_filter.assert_called_with(
+            workspace__slug=view.workspace_slug,
+            member=request.user,
+            is_active=True,
+        )
+
+
+@pytest.mark.parametrize("method", ["GET", "HEAD", "OPTIONS"])
+def test_project_base_permission_safe_methods_denied_for_non_member(method):
+    request = _req(False, method)
+    view = _view()
+
+    with patch.object(perms.WorkspaceMember.objects, "filter") as wm_filter:
+        wm_filter.return_value = _qs_with_exists(False)
+
+        assert perms.ProjectBasePermission().has_permission(request, view) is False
+
+
+def test_project_base_permission_post_requires_workspace_admin_or_member():
+    request = _req(False, "POST")
+    view = _view()
+
+    with patch.object(perms.WorkspaceMember.objects, "filter") as wm_filter:
+        qs = _qs_with_exists(True)
+        wm_filter.return_value = qs
+
+        assert perms.ProjectBasePermission().has_permission(request, view) is True
+
+        # Validate role__in and other filters passed
+        called_kwargs = wm_filter.call_args.kwargs
+        assert called_kwargs["workspace__slug"] == view.workspace_slug
+        assert called_kwargs["member"] == request.user
+        assert called_kwargs["is_active"] is True
+        assert "role__in" in called_kwargs
+        assert isinstance(called_kwargs["role__in"], (list, tuple))
+        assert len(called_kwargs["role__in"]) == 2  # [ROLE.ADMIN.value, ROLE.MEMBER.value]
+
+
+def test_project_base_permission_post_denied_when_not_in_workspace():
+    request = _req(False, "POST")
+    view = _view()
+
+    with patch.object(perms.WorkspaceMember.objects, "filter") as wm_filter:
+        wm_filter.return_value = _qs_with_exists(False)
+
+        assert perms.ProjectBasePermission().has_permission(request, view) is False
+
+
+@pytest.mark.parametrize("method", ["PUT", "PATCH", "DELETE"])
+def test_project_base_permission_non_safe_granted_if_project_admin(method):
+    request = _req(False, method)
+    view = _view()
+
+    with patch.object(perms.ProjectMember.objects, "filter") as pm_filter:
+        base_qs = _qs_with_exists(False)
+        admin_qs = _qs_with_exists(True)  # admin exists
+        base_qs.filter.return_value = admin_qs
+        pm_filter.return_value = base_qs
+
+        assert perms.ProjectBasePermission().has_permission(request, view) is True
+
+        # Ensure admin role filter applied
+        admin_call = base_qs.filter.call_args
+        assert admin_call.kwargs == {"role": perms.ROLE.ADMIN.value}
+
+
+@pytest.mark.parametrize("method", ["PUT", "PATCH", "DELETE"])
+def test_project_base_permission_non_safe_granted_if_project_member_and_workspace_admin(method):
+    request = _req(False, method)
+    view = _view()
+
+    with patch.object(perms.ProjectMember.objects, "filter") as pm_filter, \
+         patch.object(perms.WorkspaceMember.objects, "filter") as wm_filter:
+
+        base_qs = _qs_with_exists(True)   # user is a project member
+        admin_qs = _qs_with_exists(False) # not a project admin
+        base_qs.filter.return_value = admin_qs
+        pm_filter.return_value = base_qs
+
+        wm_filter.return_value = _qs_with_exists(True)  # workspace admin
+
+        assert perms.ProjectBasePermission().has_permission(request, view) is True
+
+        # Validate workspace admin filter call includes role=ROLE.ADMIN.value
+        called_kwargs = wm_filter.call_args.kwargs
+        assert called_kwargs["workspace__slug"] == view.workspace_slug
+        assert called_kwargs["member"] == request.user
+        assert called_kwargs["role"] == perms.ROLE.ADMIN.value
+        assert called_kwargs["is_active"] is True
+
+
+@pytest.mark.parametrize("method", ["PUT", "PATCH", "DELETE"])
+def test_project_base_permission_non_safe_denied_if_not_admin_and_not_workspace_admin(method):
+    request = _req(False, method)
+    view = _view()
+
+    with patch.object(perms.ProjectMember.objects, "filter") as pm_filter, \
+         patch.object(perms.WorkspaceMember.objects, "filter") as wm_filter:
+
+        base_qs = _qs_with_exists(False)  # not a project member (or inactive)
+        admin_qs = _qs_with_exists(False)
+        base_qs.filter.return_value = admin_qs
+        pm_filter.return_value = base_qs
+
+        wm_filter.return_value = _qs_with_exists(False)
+
+        assert perms.ProjectBasePermission().has_permission(request, view) is False
+
+
+def test_project_base_permission_denies_anonymous_for_all_methods():
+    for method in ["GET", "POST", "PATCH"]:
+        assert perms.ProjectBasePermission().has_permission(_req(True, method), _view()) is False
+
+
+# ---- ProjectMemberPermission tests ----
+
+@pytest.mark.parametrize("method", ["GET", "HEAD", "OPTIONS"])
+def test_project_member_permission_safe_methods_require_project_membership(method):
+    request = _req(False, method)
+    view = _view()
+
+    with patch.object(perms.ProjectMember.objects, "filter") as pm_filter:
+        pm_filter.return_value = _qs_with_exists(True)
+        assert perms.ProjectMemberPermission().has_permission(request, view) is True
+
+        pm_filter.return_value = _qs_with_exists(False)
+        assert perms.ProjectMemberPermission().has_permission(request, view) is False
+
+
+def test_project_member_permission_post_requires_workspace_admin_or_member():
+    request = _req(False, "POST")
+    view = _view()
+
+    with patch.object(perms.WorkspaceMember.objects, "filter") as wm_filter:
+        wm_filter.return_value = _qs_with_exists(True)
+        assert perms.ProjectMemberPermission().has_permission(request, view) is True
+
+        called_kwargs = wm_filter.call_args.kwargs
+        assert "role__in" in called_kwargs
+        assert len(called_kwargs["role__in"]) == 2
+
+
+@pytest.mark.parametrize("is_active", [True, False])
+def test_project_member_permission_write_requires_admin_or_member_and_active(is_active):
+    request = _req(False, "PATCH")
+    view = _view()
+
+    with patch.object(perms.ProjectMember.objects, "filter") as pm_filter:
+        qs = _qs_with_exists(is_active)
+        pm_filter.return_value = qs
+
+        result = perms.ProjectMemberPermission().has_permission(request, view)
+        assert result is is_active
+
+        # Validate role__in and scoping filters
+        called_kwargs = pm_filter.call_args.kwargs
+        assert called_kwargs["workspace__slug"] == view.workspace_slug
+        assert called_kwargs["member"] == request.user
+        assert called_kwargs["project_id"] == view.project_id
+        assert "role__in" in called_kwargs
+        assert called_kwargs["is_active"] is True
+
+
+def test_project_member_permission_denies_anonymous():
+    assert perms.ProjectMemberPermission().has_permission(_req(True, "GET"), _view()) is False
+
+
+# ---- ProjectEntityPermission tests ----
+
+def test_project_entity_permission_safe_with_project_identifier_scopes_by_identifier():
+    request = _req(False, "GET")
+    view = _view(project_identifier="PRJ-123")
+
+    with patch.object(perms.ProjectMember.objects, "filter") as pm_filter:
+        pm_filter.return_value = _qs_with_exists(True)
+        assert perms.ProjectEntityPermission().has_permission(request, view) is True
+
+        # Ensure identifier used (not project_id)
+        called_kwargs = pm_filter.call_args.kwargs
+        assert called_kwargs["project__identifier"] == "PRJ-123"
+        assert "project_id" not in called_kwargs
+
+
+def test_project_entity_permission_safe_without_identifier_scopes_by_project_id():
+    request = _req(False, "GET")
+    view = _view(project_identifier=None)
+
+    with patch.object(perms.ProjectMember.objects, "filter") as pm_filter:
+        pm_filter.return_value = _qs_with_exists(True)
+        assert perms.ProjectEntityPermission().has_permission(request, view) is True
+
+        called_kwargs = pm_filter.call_args.kwargs
+        assert called_kwargs["project_id"] == view.project_id
+
+
+@pytest.mark.parametrize("method", ["POST", "PUT", "PATCH", "DELETE"])
+def test_project_entity_permission_write_requires_admin_or_member(method):
+    request = _req(False, method)
+    view = _view()
+
+    with patch.object(perms.ProjectMember.objects, "filter") as pm_filter:
+        pm_filter.return_value = _qs_with_exists(True)
+        assert perms.ProjectEntityPermission().has_permission(request, view) is True
+
+        called_kwargs = pm_filter.call_args.kwargs
+        assert "role__in" in called_kwargs
+        assert len(called_kwargs["role__in"]) == 2
+        assert called_kwargs["is_active"] is True
+
+
+def test_project_entity_permission_denies_anonymous():
+    assert perms.ProjectEntityPermission().has_permission(_req(True, "GET"), _view()) is False
+
+
+# ---- ProjectLitePermission tests ----
+
+def test_project_lite_permission_denies_anonymous():
+    assert perms.ProjectLitePermission().has_permission(_req(True, "GET"), _view()) is False
+
+
+@pytest.mark.parametrize("exists", [True, False])
+def test_project_lite_permission_requires_project_membership(exists):
+    request = _req(False, "GET")
+    view = _view()
+
+    with patch.object(perms.ProjectMember.objects, "filter") as pm_filter:
+        pm_filter.return_value = _qs_with_exists(exists)
+        assert perms.ProjectLitePermission().has_permission(request, view) is exists
+
+        called_kwargs = pm_filter.call_args.kwargs
+        assert called_kwargs["workspace__slug"] == view.workspace_slug
+        assert called_kwargs["member"] == request.user
+        assert called_kwargs["project_id"] == view.project_id
+        assert called_kwargs["is_active"] is True
\ No newline at end of file
diff --git a/apps/api/plane/tests/test_views_project_base.py b/apps/api/plane/tests/test_views_project_base.py
new file mode 100644
index 00000000000..96abab0fb04
--- /dev/null
+++ b/apps/api/plane/tests/test_views_project_base.py
@@ -0,0 +1,475 @@
+import json
+from unittest import mock
+
+import pytest
+from django.urls import reverse
+from django.utils import timezone
+from rest_framework import status
+from rest_framework.test import APIClient, APIRequestFactory, force_authenticate
+
+# NOTE: Import paths may need adjustment based on the repo's layout.
+# We bias for action by importing via common app paths; adapt as needed if tests fail.
+from plane.app.models import (
+    Project,
+    Workspace,
+    WorkspaceMember,
+    ProjectMember,
+    DeployBoard,
+    UserFavorite,
+    Intake,
+    State,
+    ProjectIdentifier,
+    User,
+)
+from plane.app.views import (
+    ProjectViewSet,
+    ProjectArchiveUnarchiveEndpoint,
+    ProjectIdentifierEndpoint,
+    ProjectUserViewsEndpoint,
+    ProjectFavoritesViewSet,
+    ProjectPublicCoverImagesEndpoint,
+    DeployBoardViewSet,
+)
+from plane.app.permissions import ROLE
+
+
+@pytest.mark.django_db
+class TestProjectViewSetListDetail:
+    def setup_method(self):
+        self.factory = APIRequestFactory()
+        self.client = APIClient()
+        # Users
+        self.owner = User.objects.create_user(email="owner@example.com", password="x")
+        self.member = User.objects.create_user(email="member@example.com", password="x")
+        self.guest = User.objects.create_user(email="guest@example.com", password="x")
+        # Workspace and memberships
+        self.ws = Workspace.objects.create(name="Acme", slug="acme")
+        WorkspaceMember.objects.create(
+            workspace=self.ws, member=self.owner, role=ROLE.ADMIN.value, is_active=True
+        )
+        WorkspaceMember.objects.create(
+            workspace=self.ws, member=self.member, role=ROLE.MEMBER.value, is_active=True
+        )
+        WorkspaceMember.objects.create(
+            workspace=self.ws, member=self.guest, role=ROLE.GUEST.value, is_active=True
+        )
+        # Projects
+        self.p1 = Project.objects.create(name="P1", identifier="P1", workspace=self.ws)
+        self.p2 = Project.objects.create(name="P2", identifier="P2", workspace=self.ws, network=2)
+        self.p3 = Project.objects.create(name="P3", identifier="P3", workspace=self.ws, archived_at=None)
+        # Project memberships
+        ProjectMember.objects.create(project=self.p1, workspace=self.ws, member=self.owner, role=ROLE.ADMIN.value, is_active=True)
+        ProjectMember.objects.create(project=self.p1, workspace=self.ws, member=self.member, role=ROLE.MEMBER.value, is_active=True)
+        ProjectMember.objects.create(project=self.p2, workspace=self.ws, member=self.owner, role=ROLE.ADMIN.value, is_active=True)
+        ProjectMember.objects.create(project=self.p3, workspace=self.ws, member=self.owner, role=ROLE.ADMIN.value, is_active=True)
+        # Favorites and DeployBoard anchor annotations coverage
+        UserFavorite.objects.create(user=self.owner, entity_type="project", entity_identifier=self.p1.id, project=self.p1, workspace=self.ws)
+        DeployBoard.objects.create(entity_name="project", entity_identifier=self.p1.id, project=self.p1, workspace=self.ws, anchor="p1-anchor")
+
+    def _view(self, action: str):
+        return ProjectViewSet.as_view({ "get": action })
+
+    def test_list_detail_admin_sees_all_sorted(self):
+        request = self.factory.get(f"/workspaces/{self.ws.slug}/projects/list-detail")
+        force_authenticate(request, user=self.owner)
+        response = self._view("list_detail")(request, slug=self.ws.slug)
+        assert response.status_code == status.HTTP_200_OK
+        # Should include at least p1, p2, p3
+        ids = [p["id"] for p in response.data]
+        assert self.p1.id in ids and self.p2.id in ids and self.p3.id in ids
+
+    def test_list_detail_guest_only_memberships(self):
+        request = self.factory.get(f"/workspaces/{self.ws.slug}/projects/list-detail")
+        force_authenticate(request, user=self.guest)
+        response = self._view("list_detail")(request, slug=self.ws.slug)
+        assert response.status_code == status.HTTP_200_OK
+        # guest not a member of any project -> sees none
+        assert response.data == []
+
+        # Add guest to p1, ensure visibility
+        ProjectMember.objects.create(project=self.p1, workspace=self.ws, member=self.guest, role=ROLE.GUEST.value, is_active=True)
+        request = self.factory.get(f"/workspaces/{self.ws.slug}/projects/list-detail")
+        force_authenticate(request, user=self.guest)
+        response = self._view("list_detail")(request, slug=self.ws.slug)
+        ids = [p["id"] for p in response.data]
+        assert self.p1.id in ids
+        assert self.p2.id not in ids  # guest not member of p2
+
+    def test_list_detail_member_sees_memberships_plus_network_2(self):
+        request = self.factory.get(f"/workspaces/{self.ws.slug}/projects/list-detail")
+        force_authenticate(request, user=self.member)
+        response = self._view("list_detail")(request, slug=self.ws.slug)
+        assert response.status_code == status.HTTP_200_OK
+        ids = [p["id"] for p in response.data]
+        # Member of p1, should also see p2 because network=2
+        assert self.p1.id in ids and self.p2.id in ids
+
+    def test_list_detail_fields_filtering(self):
+        request = self.factory.get(f"/workspaces/{self.ws.slug}/projects/list-detail?fields=id,name")
+        force_authenticate(request, user=self.owner)
+        response = self._view("list_detail")(request, slug=self.ws.slug)
+        assert response.status_code == status.HTTP_200_OK
+        assert set(response.data[0].keys()).issubset({"id","name"})
+
+    def test_list_detail_cursor_pagination_path(self, monkeypatch):
+        # Force paginate branch by providing per_page and cursor
+        request = self.factory.get(f"/workspaces/{self.ws.slug}/projects/list-detail?per_page=2&cursor=abc&order_by=-created_at")
+        force_authenticate(request, user=self.owner)
+        # Mock paginate to ensure it is invoked
+        with mock.patch.object(ProjectViewSet, "paginate", return_value=mock.sentinel.PAGED) as m:
+            response = self._view("list_detail")(request, slug=self.ws.slug)
+            assert response == mock.sentinel.PAGED
+            assert m.called
+
+
+@pytest.mark.django_db
+class TestProjectViewSetList:
+    def setup_method(self):
+        self.factory = APIRequestFactory()
+        self.ws = Workspace.objects.create(name="Acme", slug="acme")
+        self.admin = User.objects.create_user(email="admin@example.com", password="x")
+        WorkspaceMember.objects.create(workspace=self.ws, member=self.admin, role=ROLE.ADMIN.value, is_active=True)
+        self.p1 = Project.objects.create(name="P1", identifier="P1", workspace=self.ws)
+        self.p2 = Project.objects.create(name="P2", identifier="P2", workspace=self.ws, network=2)
+        ProjectMember.objects.create(project=self.p1, workspace=self.ws, member=self.admin, role=ROLE.ADMIN.value, is_active=True)
+
+    def _view(self, action):
+        return ProjectViewSet.as_view({ "get": action })
+
+    def test_list_values_shape_and_inbox_view(self):
+        request = self.factory.get(f"/workspaces/{self.ws.slug}/projects")
+        force_authenticate(request, user=self.admin)
+        response = self._view("list")(request, slug=self.ws.slug)
+        assert response.status_code == status.HTTP_200_OK
+        assert isinstance(response.data, list)
+        item = response.data[0]
+        # Expect selected fields only
+        expected_subset = {"id","name","identifier","sort_order","member_role","inbox_view","network","created_at","updated_at"}
+        assert expected_subset.issubset(set(item.keys()))
+
+    def test_list_member_filtering_includes_network_two(self):
+        member = User.objects.create_user(email="member@example.com", password="x")
+        WorkspaceMember.objects.create(workspace=self.ws, member=member, role=ROLE.MEMBER.value, is_active=True)
+        ProjectMember.objects.create(project=self.p1, workspace=self.ws, member=member, role=ROLE.MEMBER.value, is_active=True)
+
+        request = self.factory.get(f"/workspaces/{self.ws.slug}/projects")
+        force_authenticate(request, user=member)
+        response = self._view("list")(request, slug=self.ws.slug)
+        ids = [p["id"] for p in response.data]
+        assert self.p1.id in ids
+        assert self.p2.id in ids  # network=2 visible to members
+
+
+@pytest.mark.django_db
+class TestProjectViewSetRetrieveCreateUpdateDestroy:
+    def setup_method(self):
+        self.factory = APIRequestFactory()
+        self.ws = Workspace.objects.create(name="Acme", slug="acme")
+        self.admin = User.objects.create_user(email="admin@example.com", password="x")
+        self.member = User.objects.create_user(email="user@example.com", password="x")
+        WorkspaceMember.objects.create(workspace=self.ws, member=self.admin, role=ROLE.ADMIN.value, is_active=True)
+        WorkspaceMember.objects.create(workspace=self.ws, member=self.member, role=ROLE.MEMBER.value, is_active=True)
+        self.project = Project.objects.create(name="Proj", identifier="PROJ", workspace=self.ws)
+        ProjectMember.objects.create(project=self.project, workspace=self.ws, member=self.admin, role=ROLE.ADMIN.value, is_active=True)
+
+    def _view(self, method_name, http_method="get"):
+        return ProjectViewSet.as_view({ http_method: method_name })
+
+    @mock.patch("plane.app.views.recent_visited_task.delay")
+    def test_retrieve_happy_path_and_404(self, mock_task):
+        # make member of project
+        ProjectMember.objects.create(project=self.project, workspace=self.ws, member=self.member, role=ROLE.MEMBER.value, is_active=True)
+        # OK
+        req = self.factory.get("/")
+        force_authenticate(req, user=self.member)
+        resp = self._view("retrieve")(req, slug=self.ws.slug, pk=str(self.project.id))
+        assert resp.status_code == status.HTTP_200_OK
+        mock_task.assert_called_once()
+        # 404 when not a member
+        outsider = User.objects.create_user(email="out@example.com", password="x")
+        WorkspaceMember.objects.create(workspace=self.ws, member=outsider, role=ROLE.MEMBER.value, is_active=True)
+        req = self.factory.get("/")
+        force_authenticate(req, user=outsider)
+        resp = self._view("retrieve")(req, slug=self.ws.slug, pk=str(self.project.id))
+        assert resp.status_code == status.HTTP_404_NOT_FOUND
+
+    @mock.patch("plane.app.views.model_activity.delay")
+    def test_create_creates_default_states_and_members(self, mock_activity):
+        req = self.factory.post("/", data={"name": "NewProj", "identifier": "NP"}, format="json")
+        force_authenticate(req, user=self.admin)
+        resp = self._view("create", http_method="post")(req, slug=self.ws.slug)
+        assert resp.status_code == status.HTTP_201_CREATED
+        created_id = resp.data["id"]
+        # Defaults: states created
+        assert State.objects.filter(project_id=created_id, workspace=self.ws).count() >= 5
+        # Memberships: admin added
+        assert ProjectMember.objects.filter(project_id=created_id, member=self.admin, role=ROLE.ADMIN.value).exists()
+        mock_activity.assert_called_once()
+
+    @mock.patch("plane.app.views.model_activity.delay")
+    def test_partial_update_requires_permission_and_handles_archived(self, mock_activity):
+        # Non-admin project member should be forbidden
+        non_admin = self.member
+        ProjectMember.objects.create(project=self.project, workspace=self.ws, member=non_admin, role=ROLE.MEMBER.value, is_active=True)
+        req = self.factory.patch("/", data={"name": "X"}, format="json")
+        force_authenticate(req, user=non_admin)
+        resp = self._view("partial_update", http_method="patch")(req, slug=self.ws.slug, pk=str(self.project.id))
+        assert resp.status_code == status.HTTP_403_FORBIDDEN
+
+        # Archive project then attempt update -> 400
+        self.project.archived_at = timezone.now()
+        self.project.save()
+        req = self.factory.patch("/", data={"name": "Y"}, format="json")
+        force_authenticate(req, user=self.admin)
+        resp = self._view("partial_update", http_method="patch")(req, slug=self.ws.slug, pk=str(self.project.id))
+        assert resp.status_code == status.HTTP_400_BAD_REQUEST
+
+        # Unarchive and enable inbox_view -> ensure Intake default created
+        self.project.archived_at = None
+        self.project.save()
+        req = self.factory.patch("/", data={"inbox_view": True}, format="json")
+        force_authenticate(req, user=self.admin)
+        resp = self._view("partial_update", http_method="patch")(req, slug=self.ws.slug, pk=str(self.project.id))
+        assert resp.status_code == status.HTTP_200_OK
+        assert Intake.objects.filter(project=self.project, is_default=True).exists()
+        assert mock_activity.called
+
+    @mock.patch("plane.app.views.webhook_activity.delay")
+    def test_destroy_deletes_related_and_respects_permission(self, mock_webhook):
+        # Non-admin cannot delete
+        req = self.factory.delete("/")
+        force_authenticate(req, user=self.member)
+        resp = self._view("destroy", http_method="delete")(req, slug=self.ws.slug, pk=str(self.project.id))
+        assert resp.status_code == status.HTTP_403_FORBIDDEN
+
+        # Admin delete removes deploy board and favorites
+        DeployBoard.objects.create(entity_name="project", entity_identifier=self.project.id, project=self.project, workspace=self.ws)
+        UserFavorite.objects.create(user=self.admin, entity_type="project", entity_identifier=self.project.id, project=self.project, workspace=self.ws)
+        req = self.factory.delete("/")
+        force_authenticate(req, user=self.admin)
+        resp = self._view("destroy", http_method="delete")(req, slug=self.ws.slug, pk=str(self.project.id))
+        assert resp.status_code == status.HTTP_204_NO_CONTENT
+        assert not DeployBoard.objects.filter(project_id=self.project.id, workspace=self.ws).exists()
+        assert not UserFavorite.objects.filter(project_id=self.project.id, workspace=self.ws).exists()
+        mock_webhook.assert_called_once()
+
+
+@pytest.mark.django_db
+class TestProjectArchiveUnarchiveEndpoint:
+    def setup_method(self):
+        self.factory = APIRequestFactory()
+        self.ws = Workspace.objects.create(name="Acme", slug="acme")
+        self.admin = User.objects.create_user(email="admin@example.com", password="x")
+        WorkspaceMember.objects.create(workspace=self.ws, member=self.admin, role=ROLE.ADMIN.value, is_active=True)
+        self.project = Project.objects.create(name="Proj", identifier="PROJ", workspace=self.ws)
+
+    def test_archive_sets_archived_at_and_removes_favorites(self):
+        fav = UserFavorite.objects.create(user=self.admin, entity_type="project", entity_identifier=self.project.id, project=self.project, workspace=self.ws)
+        view = ProjectArchiveUnarchiveEndpoint.as_view({"post": "post"})
+        req = self.factory.post("/")
+        force_authenticate(req, user=self.admin)
+        resp = view(req, slug=self.ws.slug, project_id=str(self.project.id))
+        assert resp.status_code == status.HTTP_200_OK
+        self.project.refresh_from_db()
+        assert self.project.archived_at is not None
+        assert not UserFavorite.objects.filter(pk=fav.pk).exists()
+
+    def test_unarchive_clears_archived_at(self):
+        self.project.archived_at = timezone.now()
+        self.project.save()
+        view = ProjectArchiveUnarchiveEndpoint.as_view({"delete": "delete"})
+        req = self.factory.delete("/")
+        force_authenticate(req, user=self.admin)
+        resp = view(req, slug=self.ws.slug, project_id=str(self.project.id))
+        assert resp.status_code == status.HTTP_204_NO_CONTENT
+        self.project.refresh_from_db()
+        assert self.project.archived_at is None
+
+
+@pytest.mark.django_db
+class TestProjectIdentifierEndpoint:
+    def setup_method(self):
+        self.factory = APIRequestFactory()
+        self.ws = Workspace.objects.create(name="Acme", slug="acme")
+        self.admin = User.objects.create_user(email="admin@example.com", password="x")
+        WorkspaceMember.objects.create(workspace=self.ws, member=self.admin, role=ROLE.ADMIN.value, is_active=True)
+
+    def test_get_requires_name(self):
+        view = ProjectIdentifierEndpoint.as_view({"get": "get"})
+        req = self.factory.get("/", data={"name": ""})
+        force_authenticate(req, user=self.admin)
+        resp = view(req, slug=self.ws.slug)
+        assert resp.status_code == status.HTTP_400_BAD_REQUEST
+
+    def test_get_returns_existing_identifiers(self):
+        ProjectIdentifier.objects.create(name="API", workspace=self.ws)
+        view = ProjectIdentifierEndpoint.as_view({"get": "get"})
+        req = self.factory.get("/", data={"name": "api"})
+        force_authenticate(req, user=self.admin)
+        resp = view(req, slug=self.ws.slug)
+        assert resp.status_code == status.HTTP_200_OK
+        assert resp.data["exists"] >= 1
+        assert any(i["name"] == "API" for i in resp.data["identifiers"])
+
+    def test_delete_validation_and_success(self):
+        view = ProjectIdentifierEndpoint.as_view({"delete": "delete"})
+        # Missing name
+        req = self.factory.delete("/", data={"name": ""}, format="json")
+        force_authenticate(req, user=self.admin)
+        resp = view(req, slug=self.ws.slug)
+        assert resp.status_code == status.HTTP_400_BAD_REQUEST
+
+        # Cannot delete if used by a project
+        proj = Project.objects.create(name="Proj", identifier="USED", workspace=self.ws)
+        req = self.factory.delete("/", data={"name": "used"}, format="json")
+        force_authenticate(req, user=self.admin)
+        resp = view(req, slug=self.ws.slug)
+        assert resp.status_code == status.HTTP_400_BAD_REQUEST
+
+        # Can delete free identifier
+        ProjectIdentifier.objects.create(name="FREE", workspace=self.ws)
+        req = self.factory.delete("/", data={"name": "free"}, format="json")
+        force_authenticate(req, user=self.admin)
+        resp = view(req, slug=self.ws.slug)
+        assert resp.status_code == status.HTTP_204_NO_CONTENT
+        assert not ProjectIdentifier.objects.filter(name="FREE", workspace=self.ws).exists()
+
+
+@pytest.mark.django_db
+class TestProjectUserViewsEndpoint:
+    def setup_method(self):
+        self.factory = APIRequestFactory()
+        self.ws = Workspace.objects.create(name="Acme", slug="acme")
+        self.user = User.objects.create_user(email="u@example.com", password="x")
+        self.project = Project.objects.create(name="Proj", identifier="PROJ", workspace=self.ws)
+
+    def test_post_forbidden_if_not_project_member(self):
+        view = ProjectUserViewsEndpoint.as_view({"post": "post"})
+        req = self.factory.post("/", data={"view_props": {"x": 1}}, format="json")
+        force_authenticate(req, user=self.user)
+        resp = view(req, slug=self.ws.slug, project_id=str(self.project.id))
+        assert resp.status_code == status.HTTP_403_FORBIDDEN
+
+    def test_post_updates_member_props(self):
+        # Make user a member
+        ProjectMember.objects.create(project=self.project, workspace=self.ws, member=self.user, role=ROLE.MEMBER.value, is_active=True, view_props={"a": 1}, default_props={"b": 2}, preferences={"c": 3}, sort_order=5)
+        view = ProjectUserViewsEndpoint.as_view({"post": "post"})
+        payload = {
+            "view_props": {"a": 9},
+            "default_props": {"b": 8},
+            "preferences": {"c": 7},
+            "sort_order": 42,
+        }
+        req = self.factory.post("/", data=payload, format="json")
+        force_authenticate(req, user=self.user)
+        resp = view(req, slug=self.ws.slug, project_id=str(self.project.id))
+        assert resp.status_code == status.HTTP_204_NO_CONTENT
+        pm = ProjectMember.objects.get(project=self.project, member=self.user)
+        assert pm.view_props == payload["view_props"]
+        assert pm.default_props == payload["default_props"]
+        assert pm.preferences == payload["preferences"]
+        assert pm.sort_order == 42
+
+
+@pytest.mark.django_db
+class TestProjectFavoritesViewSet:
+    def setup_method(self):
+        self.factory = APIRequestFactory()
+        self.ws = Workspace.objects.create(name="Acme", slug="acme")
+        self.user = User.objects.create_user(email="u@example.com", password="x")
+        WorkspaceMember.objects.create(workspace=self.ws, member=self.user, role=ROLE.MEMBER.value, is_active=True)
+        self.project = Project.objects.create(name="Proj", identifier="PROJ", workspace=self.ws)
+
+    def _view(self, method, http="post"):
+        return ProjectFavoritesViewSet.as_view({ http: method })
+
+    def test_create_and_destroy_favorite(self):
+        # Create
+        req = self.factory.post("/", data={"project": self.project.id}, format="json")
+        force_authenticate(req, user=self.user)
+        resp = self._view("create", "post")(req, slug=self.ws.slug)
+        assert resp.status_code == status.HTTP_204_NO_CONTENT
+        fav = UserFavorite.objects.get(user=self.user, project=self.project, entity_type="project")
+
+        # Destroy
+        req = self.factory.delete("/")
+        force_authenticate(req, user=self.user)
+        resp = self._view("destroy", "delete")(req, slug=self.ws.slug, project_id=str(self.project.id))
+        assert resp.status_code == status.HTTP_204_NO_CONTENT
+        assert not UserFavorite.objects.filter(pk=fav.pk).exists()
+
+
+@pytest.mark.django_db
+class TestProjectPublicCoverImagesEndpoint:
+    @mock.patch("plane.app.views.boto3.client")
+    def test_get_lists_public_images_and_handles_errors(self, mock_client):
+        # Mock S3 response
+        s3 = mock_client.return_value
+        s3.list_objects_v2.return_value = {
+            "Contents": [
+                {"Key": "static/project-cover/img1.png"},
+                {"Key": "static/project-cover/nested/"},
+                {"Key": "static/project-cover/img2.jpg"},
+            ]
+        }
+        req = APIRequestFactory().get("/public/project-covers")
+        resp = ProjectPublicCoverImagesEndpoint.as_view()(req)
+        assert resp.status_code == status.HTTP_200_OK
+        # Only files, ignore folders
+        assert len(resp.data) == 2
+        assert all(k.endswith(("img1.png","img2.jpg")) for k in resp.data[0:2] or [])
+
+        # Error path returns empty list
+        s3.list_objects_v2.side_effect = Exception("boom")
+        req = APIRequestFactory().get("/public/project-covers")
+        resp = ProjectPublicCoverImagesEndpoint.as_view()(req)
+        assert resp.status_code == status.HTTP_200_OK
+        assert resp.data == []
+
+
+@pytest.mark.django_db
+class TestDeployBoardViewSet:
+    def setup_method(self):
+        self.factory = APIRequestFactory()
+        self.client = APIClient()
+        self.ws = Workspace.objects.create(name="Acme", slug="acme")
+        self.user = User.objects.create_user(email="u@example.com", password="x")
+        WorkspaceMember.objects.create(workspace=self.ws, member=self.user, role=ROLE.MEMBER.value, is_active=True)
+        self.project = Project.objects.create(name="Proj", identifier="PROJ", workspace=self.ws)
+        ProjectMember.objects.create(project=self.project, workspace=self.ws, member=self.user, role=ROLE.MEMBER.value, is_active=True)
+
+    def _view(self, method, http="get"):
+        return DeployBoardViewSet.as_view({ http: method })
+
+    def test_list_returns_existing_board(self):
+        db = DeployBoard.objects.create(entity_name="project", entity_identifier=self.project.id, project=self.project, workspace=self.ws, view_props={"list": True})
+        req = self.factory.get("/")
+        force_authenticate(req, user=self.user)
+        resp = self._view("list", "get")(req, slug=self.ws.slug, project_id=str(self.project.id))
+        assert resp.status_code == status.HTTP_200_OK
+        assert resp.data["id"] == str(db.id) or resp.data["id"] == db.id
+
+    def test_create_upserts_and_sets_flags(self):
+        payload = {
+            "is_comments_enabled": True,
+            "is_reactions_enabled": True,
+            "is_votes_enabled": True,
+            "intake": {"enabled": True},
+            "views": {"list": True, "kanban": False, "calendar": True, "gantt": False, "spreadsheet": True},
+        }
+        req = self.factory.post("/", data=payload, format="json")
+        force_authenticate(req, user=self.user)
+        resp = self._view("create", "post")(req, slug=self.ws.slug, project_id=str(self.project.id))
+        assert resp.status_code == status.HTTP_200_OK
+
+        db = DeployBoard.objects.get(entity_name="project", entity_identifier=self.project.id)
+        assert db.is_comments_enabled is True
+        assert db.is_reactions_enabled is True
+        assert db.is_votes_enabled is True
+        assert db.view_props == payload["views"]
+        assert db.intake == payload["intake"]
+
+
+# Testing framework note:
+# These tests are written for pytest with pytest-django and Django REST Framework's testing utilities (APIRequestFactory/APIClient).
+# They follow repository conventions by mocking external dependencies (boto3, celery tasks) and exercising public interfaces of view classes.
diff --git a/apps/web/core/store/user/base-permissions.store.spec.ts b/apps/web/core/store/user/base-permissions.store.spec.ts
new file mode 100644
index 00000000000..e07c81cf4de
--- /dev/null
+++ b/apps/web/core/store/user/base-permissions.store.spec.ts
@@ -0,0 +1,350 @@
+/**
+ * Tests for BaseUserPermissionStore
+ * Framework: Jest (TypeScript). We mock external services and constants.
+ *
+ * Focus: Validate computed helpers, allowPermissions logic, and async actions
+ * (fetch/leave workspace/project, join/leave project, permissions fetch).
+ * We create a minimal concrete subclass for the abstract method.
+ */
+
+/* eslint-disable @typescript-eslint/no-explicit-any */
+
+import { runInAction } from "mobx";
+
+// Mock @plane/constants to control enums and navigation links deterministically
+jest.mock("@plane/constants", () => {
+  enum EUserPermissions {
+    VIEWER = 1,
+    MEMBER = 2,
+    ADMIN = 3,
+  }
+  enum EUserPermissionsLevel {
+    WORKSPACE = "WORKSPACE",
+    PROJECT = "PROJECT",
+  }
+  const WORKSPACE_SIDEBAR_DYNAMIC_NAVIGATION_ITEMS_LINKS = [
+    { key: "overview", access: [EUserPermissions.VIEWER, EUserPermissions.MEMBER, EUserPermissions.ADMIN] },
+    { key: "projects", access: [EUserPermissions.MEMBER, EUserPermissions.ADMIN] },
+    { key: "settings", access: [EUserPermissions.ADMIN] },
+  ];
+  return {
+    EUserPermissions,
+    EUserPermissionsLevel,
+    WORKSPACE_SIDEBAR_DYNAMIC_NAVIGATION_ITEMS_LINKS,
+  };
+}, { virtual: true });
+
+// Provide minimal runtime enum for workspace roles used by the store
+jest.mock("@plane/types", () => ({
+  EUserWorkspaceRoles: { ADMIN: 3 },
+}), { virtual: true });
+
+// Pull mocked constants/types into scope
+import {
+  EUserPermissions,
+  EUserPermissionsLevel,
+  WORKSPACE_SIDEBAR_DYNAMIC_NAVIGATION_ITEMS_LINKS,
+} from "@plane/constants";
+import { EUserWorkspaceRoles } from "@plane/types";
+
+// Mock services that the store uses (as virtual modules to avoid resolver config)
+const mockWorkspaceMemberMe = jest.fn();
+const mockGetWorkspaceUserProjectsRole = jest.fn();
+
+jest.mock("@/plane-web/services/workspace.service", () => {
+  return {
+    WorkspaceService: jest.fn().mockImplementation(() => ({
+      workspaceMemberMe: (...args: any[]) => mockWorkspaceMemberMe(...args),
+      getWorkspaceUserProjectsRole: (...args: any[]) => mockGetWorkspaceUserProjectsRole(...args),
+    })),
+  };
+}, { virtual: true });
+
+const mockJoinProject = jest.fn();
+const mockLeaveProject = jest.fn();
+const mockLeaveWorkspace = jest.fn();
+
+jest.mock("@/services/user.service", () => ({
+  __esModule: true,
+  default: {
+    joinProject: (...args: any[]) => mockJoinProject(...args),
+    leaveProject: (...args: any[]) => mockLeaveProject(...args),
+    leaveWorkspace: (...args: any[]) => mockLeaveWorkspace(...args),
+  },
+}), { virtual: true });
+
+const mockProjectMemberMe = jest.fn();
+jest.mock("@/services/project/project-member.service", () => ({
+  __esModule: true,
+  default: {
+    projectMemberMe: (...args: any[]) => mockProjectMemberMe(...args),
+  },
+}), { virtual: true });
+
+// Import after setting up jest.mocks
+import type { RootStore } from "@/plane-web/store/root.store";
+import { BaseUserPermissionStore } from "./base-permissions.store";
+
+// Minimal concrete subclass exposing the protected getProjectRole via the abstract API
+class TestUserPermissionStore extends BaseUserPermissionStore {
+  getProjectRoleByWorkspaceSlugAndProjectId = (ws: string, pid: string) => this["getProjectRole"](ws, pid);
+}
+
+const makeStore = (overrides?: Partial<RootStore>) =>
+  ({
+    router: {
+      workspaceSlug: "ws-1",
+      projectId: "p-1",
+      ...(overrides?.router as any),
+    },
+    projectRoot: {
+      project: {
+        projectMap: {},
+      },
+    },
+    ...(overrides as any),
+  } as RootStore);
+
+describe("BaseUserPermissionStore - computed helpers", () => {
+  let store: TestUserPermissionStore;
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+    store = new TestUserPermissionStore(makeStore());
+  });
+
+  test("workspaceInfoBySlug returns undefined for empty slug and for missing entry", () => {
+    expect(store.workspaceInfoBySlug("")).toBeUndefined();
+    expect(store.workspaceInfoBySlug("ws-missing")).toBeUndefined();
+  });
+
+  test("workspaceInfoBySlug returns stored member info", () => {
+    const member = { id: "u1", role: EUserPermissions.ADMIN } as any;
+    runInAction(() => {
+      store.workspaceUserInfo["ws-1"] = member;
+    });
+    expect(store.workspaceInfoBySlug("ws-1")).toBe(member);
+  });
+
+  test("getWorkspaceRoleByWorkspaceSlug returns role or undefined", () => {
+    expect(store.getWorkspaceRoleByWorkspaceSlug("ws-NA")).toBeUndefined();
+    runInAction(() => {
+      store.workspaceUserInfo["ws-1"] = { role: EUserPermissions.MEMBER } as any;
+    });
+    expect(store.getWorkspaceRoleByWorkspaceSlug("ws-1")).toBe(EUserPermissions.MEMBER);
+  });
+
+  test("getProjectRoleByWorkspaceSlugAndProjectId: admin workspace role maps to ADMIN for any project", () => {
+    runInAction(() => {
+      store.workspaceUserInfo["ws-1"] = { role: EUserWorkspaceRoles.ADMIN } as any;
+      store.workspaceProjectsPermissions["ws-1"] = { "p-1": EUserPermissions.VIEWER };
+    });
+    expect(store.getProjectRoleByWorkspaceSlugAndProjectId("ws-1", "p-1")).toBe(EUserPermissions.ADMIN);
+  });
+
+  test("getProjectRoleByWorkspaceSlugAndProjectId: returns project role when not admin", () => {
+    runInAction(() => {
+      store.workspaceUserInfo["ws-1"] = { role: EUserPermissions.MEMBER } as any;
+      store.workspaceProjectsPermissions["ws-1"] = { "p-2": EUserPermissions.VIEWER };
+    });
+    expect(store.getProjectRoleByWorkspaceSlugAndProjectId("ws-1", "p-2")).toBe(EUserPermissions.VIEWER);
+  });
+
+  test("getProjectRolesByWorkspaceSlug reduces to available roles using internal computed", () => {
+    runInAction(() => {
+      store.workspaceUserInfo["ws-1"] = { role: EUserPermissions.MEMBER } as any;
+      store.workspaceProjectsPermissions["ws-1"] = {
+        "p-1": EUserPermissions.VIEWER,
+        "p-2": EUserPermissions.MEMBER,
+      };
+    });
+    const result = store.getProjectRolesByWorkspaceSlug("ws-1");
+    expect(result).toEqual({
+      "p-1": EUserPermissions.VIEWER,
+      "p-2": EUserPermissions.MEMBER,
+    });
+  });
+});
+
+describe("BaseUserPermissionStore - hasPageAccess", () => {
+  let store: TestUserPermissionStore;
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+    store = new TestUserPermissionStore(makeStore());
+    runInAction(() => {
+      store.workspaceUserInfo["ws-1"] = { role: EUserPermissions.MEMBER } as any;
+    });
+  });
+
+  test("returns false for missing slug or key", () => {
+    expect(store.hasPageAccess("", "settings")).toBe(false);
+    expect(store.hasPageAccess("ws-1", "")).toBe(false);
+  });
+
+  test("returns false when key not found in navigation items", () => {
+    expect(store.hasPageAccess("ws-1", "unknown")).toBe(false);
+  });
+
+  test("grants access based on allowed roles", () => {
+    // overview allows VIEWER+
+    expect(store.hasPageAccess("ws-1", "overview")).toBe(true);
+    // settings allows only ADMIN
+    expect(store.hasPageAccess("ws-1", "settings")).toBe(false);
+    runInAction(() => {
+      store.workspaceUserInfo["ws-1"] = { role: EUserPermissions.ADMIN } as any;
+    });
+    expect(store.hasPageAccess("ws-1", "settings")).toBe(true);
+  });
+
+  test("uses allowPermissions under the hood with workspace-level", () => {
+    const entry = WORKSPACE_SIDEBAR_DYNAMIC_NAVIGATION_ITEMS_LINKS.find((i) => i.key === "projects") as any;
+    expect(entry.access).toContain(EUserPermissions.MEMBER);
+    expect(store.hasPageAccess("ws-1", "projects")).toBe(true);
+  });
+});
+
+describe("BaseUserPermissionStore - allowPermissions", () => {
+  let store: TestUserPermissionStore;
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+    store = new TestUserPermissionStore(makeStore());
+  });
+
+  test("returns false when current role not available", () => {
+    expect(
+      store.allowPermissions([EUserPermissions.ADMIN], EUserPermissionsLevel.WORKSPACE, "ws-1")
+    ).toBe(false);
+  });
+
+  test("accepts workspace role when included", () => {
+    runInAction(() => {
+      store.workspaceUserInfo["ws-1"] = { role: EUserPermissions.ADMIN } as any;
+    });
+    expect(
+      store.allowPermissions([EUserPermissions.ADMIN], EUserPermissionsLevel.WORKSPACE, "ws-1")
+    ).toBe(true);
+  });
+
+  test("accepts project role when included", () => {
+    runInAction(() => {
+      store.workspaceUserInfo["ws-1"] = { role: EUserPermissions.MEMBER } as any;
+      store.workspaceProjectsPermissions["ws-1"] = { "p-1": EUserPermissions.VIEWER };
+    });
+    expect(
+      store.allowPermissions([EUserPermissions.VIEWER], EUserPermissionsLevel.PROJECT, "ws-1", "p-1")
+    ).toBe(true);
+  });
+
+  test("uses router fallback when workspaceSlug/projectId not provided", () => {
+    runInAction(() => {
+      store.workspaceUserInfo["ws-1"] = { role: EUserPermissions.ADMIN } as any;
+    });
+    expect(store.allowPermissions([EUserPermissions.ADMIN], EUserPermissionsLevel.WORKSPACE)).toBe(true);
+  });
+
+  test("invokes onPermissionAllowed callback when provided", () => {
+    runInAction(() => {
+      store.workspaceUserInfo["ws-1"] = { role: EUserPermissions.ADMIN } as any;
+    });
+    const cb = jest.fn().mockReturnValue(true);
+    expect(
+      store.allowPermissions([EUserPermissions.ADMIN], EUserPermissionsLevel.WORKSPACE, "ws-1", undefined, cb)
+    ).toBe(true);
+    expect(cb).toHaveBeenCalledTimes(1);
+  });
+
+  test("handles string role by parsing to number", () => {
+    runInAction(() => {
+      store.workspaceUserInfo["ws-1"] = { role: "2" as any } as any; // MEMBER
+    });
+    expect(
+      store.allowPermissions([EUserPermissions.MEMBER], EUserPermissionsLevel.WORKSPACE, "ws-1")
+    ).toBe(true);
+  });
+});
+
+describe("BaseUserPermissionStore - actions", () => {
+  let store: TestUserPermissionStore;
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+    store = new TestUserPermissionStore(makeStore());
+  });
+
+  test("fetchUserWorkspaceInfo stores response and toggles loader", async () => {
+    const resp = { id: "me", role: EUserPermissions.MEMBER } as any;
+    mockWorkspaceMemberMe.mockResolvedValueOnce(resp);
+
+    const p = store.fetchUserWorkspaceInfo("ws-1");
+    expect(store.loader).toBe(true);
+    await expect(p).resolves.toBe(resp);
+    expect(store.workspaceUserInfo["ws-1"]).toEqual(resp);
+    expect(store.loader).toBe(false);
+  });
+
+  test("fetchUserWorkspaceInfo propagates error and resets loader", async () => {
+    mockWorkspaceMemberMe.mockRejectedValueOnce(new Error("boom"));
+    await expect(store.fetchUserWorkspaceInfo("ws-1")).rejects.toThrow("boom");
+    expect(store.loader).toBe(false);
+  });
+
+  test("leaveWorkspace clears related maps", async () => {
+    runInAction(() => {
+      store.workspaceUserInfo["ws-1"] = { role: EUserPermissions.ADMIN } as any;
+      store.projectUserInfo["ws-1"] = { "p-1": { id: "pm" } as any };
+      store.workspaceProjectsPermissions["ws-1"] = { "p-1": EUserPermissions.ADMIN };
+    });
+    mockLeaveWorkspace.mockResolvedValueOnce(undefined);
+    await store.leaveWorkspace("ws-1");
+    expect(store.workspaceUserInfo["ws-1"]).toBeUndefined();
+    expect(store.projectUserInfo["ws-1"]).toBeUndefined();
+    expect(store.workspaceProjectsPermissions["ws-1"]).toBeUndefined();
+  });
+
+  test("fetchUserProjectInfo stores membership and permission", async () => {
+    const membership = { id: "pm-1", role: EUserPermissions.MEMBER } as any;
+    mockProjectMemberMe.mockResolvedValueOnce(membership);
+    await store.fetchUserProjectInfo("ws-1", "p-1");
+    expect(store.projectUserInfo["ws-1"]["p-1"]).toEqual(membership);
+    expect(store.workspaceProjectsPermissions["ws-1"]["p-1"]).toBe(EUserPermissions.MEMBER);
+  });
+
+  test("fetchUserProjectPermissions stores entire map", async () => {
+    const map = { "p-1": EUserPermissions.VIEWER, "p-2": EUserPermissions.ADMIN } as any;
+    mockGetWorkspaceUserProjectsRole.mockResolvedValueOnce(map);
+    await store.fetchUserProjectPermissions("ws-1");
+    expect(store.workspaceProjectsPermissions["ws-1"]).toEqual(map);
+  });
+
+  test("joinProject stores role equal to workspace member role or MEMBER by default", async () => {
+    mockJoinProject.mockResolvedValueOnce({ ok: true });
+    // no workspace role -> default MEMBER
+    await store.joinProject("ws-1", "p-1");
+    expect(store.workspaceProjectsPermissions["ws-1"]["p-1"]).toBe(EUserPermissions.MEMBER);
+
+    // with workspace role ADMIN
+    runInAction(() => {
+      store.workspaceUserInfo["ws-1"] = { role: EUserPermissions.ADMIN } as any;
+    });
+    mockJoinProject.mockResolvedValueOnce({ ok: true });
+    await store.joinProject("ws-1", "p-2");
+    expect(store.workspaceProjectsPermissions["ws-1"]["p-2"]).toBe(EUserPermissions.ADMIN);
+  });
+
+  test("leaveProject removes entries from permissions, membership and project map", async () => {
+    const rs = makeStore();
+    (rs as any).projectRoot.project.projectMap["p-1"] = { id: "p-1" };
+    store = new TestUserPermissionStore(rs);
+    runInAction(() => {
+      store.workspaceProjectsPermissions["ws-1"] = { "p-1": EUserPermissions.VIEWER };
+      store.projectUserInfo["ws-1"] = { "p-1": { id: "pm-1" } as any };
+    });
+    mockLeaveProject.mockResolvedValueOnce(undefined);
+    await store.leaveProject("ws-1", "p-1");
+    expect(store.workspaceProjectsPermissions["ws-1"]?.["p-1"]).toBeUndefined();
+    expect(store.projectUserInfo["ws-1"]?.["p-1"]).toBeUndefined();
+    expect((rs as any).projectRoot.project.projectMap["p-1"]).toBeUndefined();
+  });
+});
\ No newline at end of file