diff --git a/tests/test_palier14.py b/tests/test_palier14.py
new file mode 100644
index 0000000..fc67d11
--- /dev/null
+++ b/tests/test_palier14.py
@@ -0,0 +1,74 @@
+"""Palier 14 (0.18.0): vague 2 suite — activité 7 jours (#19),
+tri/regroupement (#21), vue liste dense (#22), actions rapides (#23)."""
+
+from datetime import datetime, timedelta, timezone
+
+from app import models
+
+
+def _ts(days_ago: int) -> str:
+    dt = datetime.now(timezone.utc) - timedelta(days=days_ago)
+    return dt.strftime("%Y-%m-%d 12:00:00")
+
+
+def test_activity_line_recent_week(client, fake_gitea):
+    for _ in range(2):
+        models.log_event("Projets/demo", 1, "closed",
+                         to_column="done", created_at=_ts(1))
+    models.log_event("Projets/demo", 5, "moved",
+                     from_column="backlog", to_column="todo",
+                     created_at=_ts(0))
+    page = client.get("/")
+    assert "2 fermée(s) · 1 déplacement(s) cette semaine" in page.text
+
+
+def test_activity_line_idle_project(client, fake_gitea):
+    models.log_event("Projets/vieux", 9, "moved",
+                     from_column="backlog", to_column="todo",
+                     created_at=_ts(35))
+    page = client.get("/")
+    assert "aucune activité kanban depuis 35 j" in page.text
+
+
+def test_dashboard_display_tools_markup(client, fake_gitea):
+    page = client.get("/")
+    assert "dashState" in page.text
+    assert 'id="dash-sort"' in page.text
+    assert 'id="dash-group"' in page.text
+    assert "Grouper par propriétaire" in page.text
+    assert "setView('grid')" in page.text
+    assert "setView('list')" in page.text
+
+
+def test_dense_list_view_tables(client, fake_gitea):
+    page = client.get("/")
+    assert page.text.count('class="proj-table"') == 3
+    assert 'data-sort="open"' in page.text
+    assert 'data-sort="inflight"' in page.text
+    # La ligne dense de demo : lien page projet + compteurs.
+    assert 'href="/project/Projets/demo"' in page.text
+
+
+def test_dashboard_js_contract(client, fake_gitea):
+    js = client.get("/static/js/dashboard.js")
+    assert js.status_code == 200
+    assert "kanbante-dash-sort" in js.text
+    assert "kanbante-dash-group" in js.text
+    assert "owner-group" in js.text
+    assert "data-menu-btn" in js.text
+
+
+def test_card_quick_actions_menu(client, fake_gitea):
+    page = client.get("/")
+    assert "data-menu-btn" in page.text
+    # urlencode de Jinja conserve les « / » : le lien est valide tel quel.
+    assert 'href="/capture?repo=Projets/demo"' in page.text
+    assert 'href="/triage/Projets/demo"' in page.text
+    assert 'href="/sprint/Projets/demo"' in page.text
+    assert 'href="/health/Projets/demo"' in page.text
+
+
+def test_capture_prefilled_repo(client, fake_gitea):
+    page = client.get("/capture?repo=Projets/kanbante")
+    assert page.status_code == 200
+    assert 'value="Projets/kanbante"' in page.text