feat: persist weekly availability defaults (Closes #1256)

tests/e2e/test_mobile_week_ahead_release.py

@@ -65,6 +65,8 @@ def test_release_artifact_plans_seven_touch_safe_mobile_dates(
                     route.fulfill(status=200, content_type="application/json", body=json.dumps({
                         "revision": body["base_revision"] + 1,
                         "timezone": body["timezone"], "days": body["days"],
+                        **({"availability_defaults": body["availability_defaults"]}
+                           if "availability_defaults" in body else {}),
                     }))
                     return
                 route.fulfill(status=200, content_type="application/json", body=json.dumps({
@@ -107,6 +109,29 @@ def test_release_artifact_plans_seven_touch_safe_mobile_dates(
                 "Week Ahead overview · no changes made."
             )
             expect(page.locator("#confirm-week-plan")).to_be_hidden()
+            availability = page.locator("#open-week-availability")
+            expect(availability).to_be_visible()
+            availability_bounds = availability.bounding_box()
+            assert availability_bounds and availability_bounds["height"] >= 44
+            availability.click()
+            editor = page.locator("#week-availability-editor")
+            expect(editor).to_be_visible()
+            capacities = editor.locator("[data-weekday-capacity]")
+            expect(capacities).to_have_count(7)
+            for index, minutes in enumerate((480, 480, 480, 480, 360, 0, 0)):
+                capacities.nth(index).fill(str(minutes))
+                bounds = capacities.nth(index).bounding_box()
+                assert bounds and bounds["height"] >= 44
+            assert page.evaluate("document.documentElement.scrollWidth <= window.innerWidth")
+            page.locator("#save-week-availability").click()
+            expect(editor).to_be_hidden()
+            expect(page.locator("#week-review-status")).to_have_text("Weekly availability saved.")
+            assert saved[-1]["availability_defaults"] == [480, 480, 480, 480, 360, 0, 0]
+            availability.click()
+            page.locator("#disable-week-availability").click()
+            expect(editor).to_be_hidden()
+            expect(page.locator("#week-review-status")).to_have_text("Weekly availability disabled.")
+            assert "availability_defaults" not in saved[-1]
             edit_week = page.locator("#edit-week-plan")
             expect(edit_week).to_be_visible()
             remove_actions = cards.first.locator("[data-week-unplan]")