feat: reconcile Week Ahead edits per day (Closes #1184)

tests/e2e/test_mobile_week_ahead_release.py

@@ -3,6 +3,7 @@ from __future__ import annotations
 import json
 import os
 import threading
+from datetime import date, timedelta
 from pathlib import Path
 
 import pytest
@@ -77,3 +78,80 @@ def test_release_artifact_plans_seven_touch_safe_mobile_dates(
         fake.shutdown()
         fake.server_close()
         thread.join(timeout=5)
+
+
+@pytest.mark.parametrize(("width", "height"), [(320, 568), (390, 844)])
+def test_release_artifact_reconciles_only_the_week_day_changed_on_both_devices(
+    tmp_path: Path, width: int, height: int
+):
+    archives = sorted((ROOT / "dist").glob("stackchain-dashboard-*.tar.gz"))
+    assert len(archives) == 1, "browser job must download exactly one assembled release archive"
+    fake = FakeGiteaServer(("127.0.0.1", 0))
+    thread = threading.Thread(target=fake.serve_forever, daemon=True)
+    thread.start()
+    puts: list[dict] = []
+    try:
+        with release_server(archives[0], tmp_path, f"http://127.0.0.1:{fake.server_port}") as origin, sync_playwright() as playwright:
+            browser = playwright.chromium.launch(args=["--ignore-certificate-errors"])
+            page = browser.new_page(viewport={"width": width, "height": height})
+            page_errors: list[str] = []
+            page.on("pageerror", lambda error: page_errors.append(str(error)))
+
+            def week_route(route):
+                if route.request.method == "PUT":
+                    body = json.loads(route.request.post_data or "{}")
+                    puts.append(body)
+                    if len(puts) == 1:
+                        route.fulfill(status=409, content_type="application/json", body='{"message":"changed"}')
+                        return
+                    route.fulfill(status=200, content_type="application/json", body=json.dumps({
+                        "revision": 6, "timezone": body["timezone"], "days": body["days"],
+                    }))
+                    return
+                if puts:
+                    changed_date = puts[0]["days"][0]["plan_date"]
+                    following_date = (date.fromisoformat(changed_date) + timedelta(days=1)).isoformat()
+                    route.fulfill(status=200, content_type="application/json", body=json.dumps({
+                        "revision": 5, "timezone": puts[0]["timezone"], "days": [
+                            {"plan_date": changed_date, "ids": [], "capacity_minutes": 90, "estimates": {}},
+                            {"plan_date": following_date, "ids": [], "capacity_minutes": 30, "estimates": {}},
+                        ],
+                    }))
+                    return
+                route.fulfill(status=200, content_type="application/json", body=json.dumps({
+                    "revision": 4, "timezone": None, "days": [],
+                }))
+
+            page.route("**/api/v1/week", week_route)
+            page.goto(origin + "/", wait_until="networkidle")
+            page.locator('input[name="device_label"]').fill("Week conflict release phone")
+            page.locator('input[name="access_token"]').fill(ACCESS_TOKEN)
+            page.locator("#submit-sign-in").click()
+            page.wait_for_url(origin + "/", wait_until="networkidle")
+            page.locator('[data-mobile-task="queues"]').click()
+            page.locator('[data-mobile-queue="week"]').click()
+            page.locator("#plan-today-available").fill("60")
+            page.locator("#save-today-plan").click()
+            page.wait_for_function("() => document.querySelector('#mobile-week-summary').textContent.includes('Conflict')")
+
+            page.locator('[data-mobile-task="queues"]').click()
+            page.locator('[data-mobile-queue="week"]').click()
+            choices = page.locator("[data-week-conflict-choice]")
+            expect(choices).to_have_count(2)
+            for index in range(2):
+                bounds = choices.nth(index).locator("xpath=..").bounding_box()
+                assert bounds and bounds["height"] >= 44
+            page.locator('[data-week-conflict-choice="phone"]').check()
+            expect(page.locator("#save-merged-week")).to_be_enabled()
+            page.locator("#save-merged-week").click()
+            expect(page.locator("#plan-today-sheet")).to_be_hidden()
+
+            assert len(puts) == 2
+            assert [day["capacity_minutes"] for day in puts[-1]["days"]] == [60, 30]
+            assert not page_errors, f"Week conflict recovery raised: {page_errors}"
+            assert page.evaluate("document.documentElement.scrollWidth <= window.innerWidth")
+            browser.close()
+    finally:
+        fake.shutdown()
+        fake.server_close()
+        thread.join(timeout=5)