feat: pause Today during quick capture (Closes #1076)

tests/e2e/test_mobile_today_handoff_release.py

@@ -94,6 +94,32 @@ def test_release_artifact_plans_hands_off_and_opens_next_mobile_issue(tmp_path:
             if page.locator("#plan-today-sheet").is_visible():
                 page.locator("#cancel-plan-today").click()
             expect(page.locator("[data-mobile-today-hud]")).to_be_visible()
+
+            page.locator('[data-mobile-task="new"]').click()
+            expect(page.locator("#create-issue-sheet")).to_have_class("create-issue-sheet open")
+            expect(page.locator("#today-capture-interruption")).to_be_visible()
+            expect(page.locator("#today-capture-interruption-label")).to_contain_text("Ship mobile capture")
+            expect(page.locator("#save-unfiled-issue")).to_have_text("Save & return to Today")
+            paused_timer = page.evaluate("""() => {
+              const key = Object.keys(localStorage).find(value => value.startsWith('stackchain.today-timer.v1.'));
+              const state = JSON.parse(localStorage.getItem(key));
+              return state.entries[state.active_identity];
+            }""")
+            assert paused_timer["running"] is False
+            page.locator("#create-issue-title").fill("Remember release note")
+            page.locator("#save-unfiled-issue").click()
+            expect(page.locator("#create-issue-sheet")).not_to_have_class("create-issue-sheet open")
+            expect(page.locator("[data-mobile-today-hud]")).to_be_visible()
+            resumed = page.evaluate("""() => {
+              const key = Object.keys(localStorage).find(value => value.startsWith('stackchain.today-timer.v1.'));
+              const timer = JSON.parse(localStorage.getItem(key));
+              const captures = JSON.parse(localStorage.getItem('stackchain.unfiled-issues.v1') || 'null');
+              return {running:timer.entries[timer.active_identity].running,
+                saved:JSON.stringify(captures).includes('Remember release note')};
+            }""")
+            assert resumed == {"running": True, "saved": True}
+            assert page.evaluate("document.documentElement.scrollWidth <= window.innerWidth")
+
             page.locator("[data-mobile-today-more]").click()
             expect(page.locator("#mobile-today-actions")).to_be_visible()
             blocked = page.locator("[data-mobile-today-blocked]")