feat: unplan Week Ahead work with undo (Closes #1240)

tests/e2e/test_mobile_week_ahead_release.py

@@ -84,6 +84,27 @@ def test_release_artifact_plans_seven_touch_safe_mobile_dates(
             expect(page.locator("#confirm-week-plan")).to_be_hidden()
             edit_week = page.locator("#edit-week-plan")
             expect(edit_week).to_be_visible()
+            remove_actions = cards.first.locator("[data-week-unplan]")
+            expect(remove_actions).to_have_count(2)
+            remove_bounds = remove_actions.nth(1).bounding_box()
+            assert remove_bounds and remove_bounds["height"] >= 44
+            remove_actions.nth(1).click()
+            expect(cards.first).not_to_contain_text("Polish desktop filters")
+            expect(page.locator("#week-unplan-receipt")).to_have_text(
+                "Polish desktop filters removed from Week Ahead."
+            )
+            undo = page.locator("#undo-week-unplan")
+            expect(undo).to_be_visible()
+            undo_bounds = undo.bounding_box()
+            assert undo_bounds and undo_bounds["height"] >= 44
+            undo.click()
+            expect(cards.first).to_contain_text("Polish desktop filters")
+            expect(page.locator("#week-unplan-receipt")).to_be_hidden()
+            assert saved[-2]["days"][0]["ids"] == ["issue:acme/mobile:41:"]
+            assert saved[-1]["days"][0]["ids"] == [
+                "issue:acme/mobile:41:", "issue:acme/mobile:42:"
+            ]
+            writes_before_reflow = len(saved)
             reflow = page.locator("#open-week-reflow")
             expect(reflow).to_be_visible()
             bounds = reflow.bounding_box()
@@ -101,12 +122,12 @@ def test_release_artifact_plans_seven_touch_safe_mobile_dates(
             assert page.evaluate("document.documentElement.scrollWidth <= window.innerWidth")
             page.locator("#cancel-week-reflow").click()
             expect(preview).to_be_hidden()
-            assert saved == [], "cancelling reflow must not write"
+            assert len(saved) == writes_before_reflow, "cancelling reflow must not write"
             reflow.click()
             page.locator("#apply-week-reflow").click()
             expect(page.locator("#week-review-status")).to_have_text("Week Ahead reflowed and saved.")
             expect(preview).to_be_hidden()
-            assert len(saved) == 1
+            assert len(saved) == writes_before_reflow + 1
             assert [day["ids"] for day in saved[-1]["days"]][:2] == [["issue:acme/mobile:41:"], []]
             planned_item = cards.first.locator("[data-week-open-item]")
             expect(planned_item).to_have_count(1)
@@ -120,7 +141,7 @@ def test_release_artifact_plans_seven_touch_safe_mobile_dates(
             expect(page.locator("#issue-sheet")).not_to_have_class(re.compile(r"\bopen\b"))
             expect(overview).to_be_visible()
             expect(planned_item).to_be_focused()
-            assert len(saved) == 1, "opening and inspecting Week Ahead must not add a write"
+            assert len(saved) == writes_before_reflow + 1, "opening and inspecting Week Ahead must not add a write"
             for control in (cards.first.locator("[data-week-edit-day]"), edit_week):
                 bounds = control.bounding_box()
                 assert bounds and bounds["height"] >= 44