Retrait des disponibilités et des limites de temps dans la journée

Disponibilités déclarées supprimées (table `availability`, migration 0022,
API, éditeur de la fiche bénévole, badge de couverture du panneau
d'affectation, colonnes des statistiques) ainsi que les règles
OUTSIDE_AVAILABILITY, DAILY_HOURS_EXCEEDED et INSUFFICIENT_REST, les malus
de disponibilité et de repos du solveur et le filtre « Surchargés » de la
vue bénévoles. Seul le chevauchement reste contrôlé. La case « je suis
disponible » du formulaire public est conservée.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

backend/tests/test_api_assignments.py

@@ -1,7 +1,6 @@
 import datetime as dt
 
 from tests.factories import (
-    declare_available_all_day,
     dt_at,
     make_position,
     make_shift,
@@ -13,16 +12,12 @@ def _url(edition, suffix=""):
     return f"/editions/{edition.id}/assignments{suffix}"
 
 
-def _setup(session, edition, *, available=True):
+def _setup(session, edition):
     position = make_position(session, edition)
     shift = make_shift(
         session, edition, position, start=dt_at(10, 14), end=dt_at(10, 18)
     )
     volunteer = make_volunteer(session, edition, email="v@ex.fr")
-    if available:
-        declare_available_all_day(
-            session, edition, volunteer, dt.date(2026, 7, 10)
-        )
     return volunteer, shift
 
 
@@ -39,16 +34,21 @@ def test_create_assignment_clean(client, edition, session, day_parts):
     assert body["assignment"]["locked"] is False
 
 
-def test_create_assignment_returns_warnings(client, edition, session, day_parts):
-    # Bénévole non déclaré disponible sur le créneau.
-    volunteer, shift = _setup(session, edition, available=False)
-    resp = client.post(
-        _url(edition),
-        json={"volunteer_id": str(volunteer.id), "shift_id": str(shift.id)},
+def test_long_day_without_rest_raises_no_warning(client, edition, session, day_parts):
+    # Plus de limite d'heures par jour ni de repos minimal : 14h–18h puis
+    # 18h–04h (14 h d'affilée) passe sans avertissement.
+    volunteer, shift = _setup(session, edition)
+    position = make_position(session, edition, name="Bar")
+    following = make_shift(
+        session, edition, position, start=dt_at(10, 18), end=dt_at(11, 4)
     )
-    assert resp.status_code == 201
-    codes = {w["code"] for w in resp.json()["warnings"]}
-    assert "OUTSIDE_AVAILABILITY" in codes
+    for s in (shift, following):
+        resp = client.post(
+            _url(edition),
+            json={"volunteer_id": str(volunteer.id), "shift_id": str(s.id)},
+        )
+        assert resp.status_code == 201
+        assert resp.json()["warnings"] == []
 
 
 def test_create_assignment_blocked_by_overlap(client, edition, session, day_parts):
@@ -110,7 +110,7 @@ def test_assignment_wrong_edition_is_422(client, edition, session, day_parts):
 
 
 def test_validate_endpoint_does_not_persist(client, edition, session, day_parts):
-    volunteer, shift = _setup(session, edition, available=False)
+    volunteer, shift = _setup(session, edition)
     resp = client.post(
         _url(edition, "/validate"),
         json={"volunteer_id": str(volunteer.id), "shift_id": str(shift.id)},
@@ -118,14 +118,12 @@ def test_validate_endpoint_does_not_persist(client, edition, session, day_parts)
     assert resp.status_code == 200
     body = resp.json()
     assert body["blocking"] is False
-    assert any(v["code"] == "OUTSIDE_AVAILABILITY" for v in body["violations"])
+    assert body["violations"] == []
     assert client.get(_url(edition)).json() == []
 
 
-def test_patch_locked_keeps_assignment_and_returns_warnings(
-    client, edition, session, day_parts
-):
-    volunteer, shift = _setup(session, edition, available=False)
+def test_patch_locked_keeps_assignment(client, edition, session, day_parts):
+    volunteer, shift = _setup(session, edition)
     aid = client.post(
         _url(edition),
         json={"volunteer_id": str(volunteer.id), "shift_id": str(shift.id)},
@@ -134,9 +132,7 @@ def test_patch_locked_keeps_assignment_and_returns_warnings(
     resp = client.patch(_url(edition, f"/{aid}"), json={"locked": True})
     assert resp.status_code == 200
     assert resp.json()["assignment"]["locked"] is True
-    assert any(
-        w["code"] == "OUTSIDE_AVAILABILITY" for w in resp.json()["warnings"]
-    )
+    assert resp.json()["warnings"] == []
 
 
 def test_delete_assignment(client, edition, session, day_parts):