feat: queue offline checklist progress (Closes #907)

frontend/authored-outbox.js

@@ -4,7 +4,7 @@ function createAuthoredOutbox({ storage, fetchJson, coordinator, backgroundSync,
     globalThis.crypto?.randomUUID?.() || String(Date.now()) + '-' + Math.random().toString(16).slice(2)
   );
   const pending = new Map();
-  const supportedKinds = new Set(['issue-comment', 'pull-comment', 'update-reply', 'update-reply-read', 'pull-review', 'issue-close', 'issue-blocker']);
+  const supportedKinds = new Set(['issue-comment', 'pull-comment', 'update-reply', 'update-reply-read', 'pull-review', 'issue-close', 'issue-blocker', 'issue-content']);
 
   function reviewFingerprint(message) {
     return JSON.stringify({
@@ -96,6 +96,10 @@ function createAuthoredOutbox({ storage, fetchJson, coordinator, backgroundSync,
         blockerNumber: Number(message.blockerNumber || 0),
         present: message.present === true,
       } : {}),
+      ...(message.kind === 'issue-content' ? {
+        title: String(message.title || ''),
+        expectedUpdatedAt: String(message.expectedUpdatedAt || ''),
+      } : {}),
     };
     items.push(item);
     write(items, mirror);
@@ -171,6 +175,9 @@ function createAuthoredOutbox({ storage, fetchJson, coordinator, backgroundSync,
     if (item.kind === 'issue-blocker') {
       return 'api/v1/repos/' + repository + '/issues/' + encodeURIComponent(item.number) + '/blockers';
     }
+    if (item.kind === 'issue-content') {
+      return 'api/v1/repos/' + repository + '/issues/' + encodeURIComponent(item.number) + '/content';
+    }
     if (item.kind === 'pull-review') {
       return 'api/v1/repos/' + repository + '/pulls/' + encodeURIComponent(item.number) + '/review';
     }
@@ -246,9 +253,11 @@ function createAuthoredOutbox({ storage, fetchJson, coordinator, backgroundSync,
               decision: item.decision,
               expected_head_sha: item.expectedHeadSha,
               comments: item.comments,
+            } : item.kind === 'issue-content' ? {
+              title:item.title, body:item.body, expected_updated_at:item.expectedUpdatedAt,
             } : { body: item.body };
             result = await fetchJson(endpoint(item), {
-              method: 'POST',
+              method: item.kind === 'issue-content' ? 'PATCH' : 'POST',
               headers: {
                 Accept: 'application/json',
                 'Content-Type': 'application/json',
@@ -256,6 +265,10 @@ function createAuthoredOutbox({ storage, fetchJson, coordinator, backgroundSync,
               },
               body: JSON.stringify(body),
             });
+            if (item.kind === 'issue-content' &&
+                (result?.number !== item.number || result?.title !== item.title || result?.body !== item.body)) {
+              throw new Error('Checklist update was not confirmed.');
+            }
           }
         }
         if (!result) return { blocked: true };

frontend/background-issue-sync.js

@@ -410,6 +410,24 @@ function createBackgroundIssueSync({
         },
       };
     }
+    if (item.kind === 'issue-content') {
+      return {
+        url: base + 'api/v1/repos/' + repository + '/issues/' + encodeURIComponent(item.number) + '/content',
+        options: {
+          method: 'PATCH',
+          headers: {
+            Accept: 'application/json',
+            'Content-Type': 'application/json',
+            'Idempotency-Key': item.operationId,
+          },
+          body: JSON.stringify({
+            title: item.title,
+            body: item.body,
+            expected_updated_at: item.expectedUpdatedAt,
+          }),
+        },
+      };
+    }
     if (item.kind === 'pull-review') {
       return {
         url: base + 'api/v1/repos/' + repository + '/pulls/' + encodeURIComponent(item.number) + '/review',
@@ -706,6 +724,12 @@ function createBackgroundIssueSync({
           throw error;
         }
       }
+      if (item.kind === 'issue-content' &&
+          (delivered?.number !== item.number || delivered?.title !== item.title || delivered?.body !== item.body)) {
+        const error = new Error('Checklist update was not confirmed.');
+        error.status = 422;
+        throw error;
+      }
       await completeClaim(item, delivered);
       const receipt = receiptFor(item, 'confirmed', delivered);
       return item.kind ? { message: delivered, receipt } : { issue: delivered, receipt };

frontend/dashboard.js

@@ -429,7 +429,11 @@
   }
   let reviewController = null;
   let wrapPreference = null;
-  const issueController = createIssueSheet({ fetchJson: fetchReviewJson, storage: localStorage });
+  const issueController = createIssueSheet({
+    fetchJson: fetchReviewJson,
+    storage: localStorage,
+    enqueueDurably:message => authoredOutbox.enqueueDurably(message),
+  });
   function overdueAgendaItems() {
     return agendaMyWork(activeMyWork).filter(item => item.agenda_group === 'Overdue');
   }
@@ -3395,7 +3399,7 @@
   }
 
   function renderIssueBody(detail) {
-    issueController.renderTasks(qs('#issue-sheet-body'), detail, !selectedIssueOffline &&
+    issueController.renderTasks(qs('#issue-sheet-body'), detail,
       !issueController.readOnly(selectedIssue) && detail.state === 'open' && detail.updated_at);
   }
 
@@ -3490,8 +3494,11 @@
     qs('#release-issue').textContent = workSession.checkpointed(item) ? 'Release & next' : 'Release assignment';
     qs('#close-issue-sheet').focus();
     try {
-      const detail = offlineDetail || await issueController.load(item);
+      const loadedDetail = offlineDetail || await issueController.load(item);
       if (selectedIssue !== item) return;
+      const detail = issueController.pendingTask(
+        item, loadedDetail, authoredOutbox.list(), confirmedOwnerLogin
+      );
       selectedIssueDetail = detail;
       renderPlanIssueDependencies(detail);
       issueConversation = issueController.conversation(item, detail.conversation);
@@ -5598,7 +5605,7 @@
   });
   issueController.bindTaskToggles({
     container:qs('#issue-sheet-body'), status:qs('#issue-sheet-status'), retry:qs('#retry-issue-load'),
-    current:()=>({item:selectedIssue,detail:selectedIssueDetail}),
+    current:()=>({item:selectedIssue,detail:selectedIssueDetail,offline:selectedIssueOffline}),
     confirmed:applyIssueContent,
     restore:renderIssueBody,
   });

frontend/issue-sheet.js

@@ -24,7 +24,7 @@ function escapeOptionHtml(value) {
   })[character]);
 }
 
-function createIssueSheet({ fetchJson, storage, renderMarkdown = globalThis.renderMarkdown, toggleTask = renderMarkdown?.toggleTask, createConversationPager = globalThis.createConversationPager, createOperationId = () => globalThis.crypto?.randomUUID?.() || String(Date.now()) + '-' + Math.random() }) {
+function createIssueSheet({ fetchJson, storage, renderMarkdown = globalThis.renderMarkdown, toggleTask = renderMarkdown?.toggleTask, enqueueDurably, createConversationPager = globalThis.createConversationPager, createOperationId = () => globalThis.crypto?.randomUUID?.() || String(Date.now()) + '-' + Math.random() }) {
   let commentRequest = null;
   let closeRequest = null;
   let releaseRequest = null;
@@ -152,6 +152,22 @@ function createIssueSheet({ fetchJson, storage, renderMarkdown = globalThis.rend
         expectedUpdatedAt: detail.updated_at,
       });
     },
+    async queueTask(item, detail, taskIndex, checked) {
+      if (typeof toggleTask !== 'function' || typeof enqueueDurably !== 'function') {
+        throw new Error('Offline checklist updates are unavailable.');
+      }
+      const body = toggleTask(detail.body, taskIndex, checked);
+      await enqueueDurably({ kind:'issue-content', repository:item.repository, number:item.number,
+        title:detail.title, body, expectedUpdatedAt:detail.updated_at });
+      return { queued:true, detail:{ ...detail, body, checklist_pending:true } };
+    },
+    pendingTask(item, detail, items, ownerLogin) {
+      const pending = [...(items || [])].reverse().find(candidate => candidate?.kind === 'issue-content' &&
+        candidate.repository === item?.repository && Number(candidate.number) === Number(item?.number) &&
+        candidate.ownerLogin === ownerLogin && ['queued', 'sending', 'attention'].includes(candidate.status));
+      if (!pending) return { ...detail };
+      return { ...detail, title:pending.title, body:pending.body, checklist_pending:true };
+    },
     bindTaskToggles({ container, status, retry, current, confirmed, restore }) {
       container.addEventListener('change', async event => {
         const control = event.target.closest('input.task-list-toggle');
@@ -161,13 +177,14 @@ function createIssueSheet({ fetchJson, storage, renderMarkdown = globalThis.rend
         container.querySelectorAll('input.task-list-toggle').forEach(input => { input.disabled = true; });
         status.textContent = 'Updating checklist…';
         try {
-          const result = await this.toggleTask(
+          const result = await (state.offline ? this.queueTask : this.toggleTask).call(
-            state.item, state.detail, Number(control.dataset.taskIndex), control.checked
+            this, state.item, state.detail, Number(control.dataset.taskIndex), control.checked
           );
           const latest = current();
           if (latest?.item?.repository === state.item.repository && latest.item.number === state.item.number) {
-            confirmed(state.item, state.detail, result);
+            confirmed(state.item, state.detail, state.offline ? result.detail : result);
-            status.textContent = 'Checklist updated.';
+            if (state.offline) status.textContent = 'Checklist queued. Pending sync.';
+            else status.textContent = 'Checklist updated.';
           }
         } catch (error) {
           const latest = current();
@@ -180,9 +197,11 @@ function createIssueSheet({ fetchJson, storage, renderMarkdown = globalThis.rend
       });
     },
     renderTasks(container, detail, interactive) {
-      container.classList.remove('checklist-pending');
+      container.classList.toggle('checklist-pending', detail.checklist_pending === true);
       container.innerHTML = renderMarkdown(
-        detail.body || 'No description provided.', { interactiveTasks: Boolean(interactive) }
+        detail.body || 'No description provided.', {
+          interactiveTasks: Boolean(interactive) && detail.checklist_pending !== true,
+        }
       );
     },
     mergeContent(snapshot, item, detail, confirmed, replace) {

src/frontend_bundle.py

@@ -36,7 +36,7 @@ FEATURE_SOURCES = {
         "static/draft-filing-session.js", "static/draft-capacity-dialog.js", "static/work-selection.js",
         "static/today-work.js", "static/pick-work.js", "static/batch-find-work.js",
         "static/search-batch-plan.js", "static/issue-evidence-review.js", "static/issue-evidence-editor.js",
-        "static/issue-attachment.js", "static/issue-sheet.js", "static/issue-filing-review.js", "static/issue-filing-receipt.js",
+        "static/issue-attachment.js", "static/authored-outbox.js", "static/issue-sheet.js", "static/issue-filing-review.js", "static/issue-filing-receipt.js",
     ),
 }
 CACHE_DECLARATION = re.compile(

src/gitea_proxy.py

@@ -2391,6 +2391,16 @@ async def _update_issue_content(
     ):
         raise IssueNotAvailableError("issue not found")
     if issue.get("updated_at") != expected_updated_at:
+        if issue.get("title") == title and issue.get("body", "") == body:
+            return {
+                "repository": repository,
+                "number": number,
+                "title": title,
+                "body": body,
+                "state": issue.get("state", "open"),
+                "updated_at": issue.get("updated_at", ""),
+                "url": _safe_web_url(issue.get("html_url")),
+            }
         raise IssueEditConflictError("issue changed upstream")
 
     response = await _get_client().patch(

tests/test_authored_outbox.py

@@ -77,6 +77,42 @@ outbox.flush('timmy').then(result => process.stdout.write(JSON.stringify({{persi
     assert output["remaining"] == []
 
 
+def test_authored_outbox_persists_and_delivers_revision_checked_issue_content():
+    script = f"""
+const createAuthoredOutbox = require({json.dumps(str(OUTBOX))});
+const values = new Map(); const calls = [];
+const storage = {{getItem:k=>values.get(k)||null,setItem:(k,v)=>values.set(k,v),removeItem:k=>values.delete(k)}};
+const outbox = createAuthoredOutbox({{
+  storage, getOwnerLogin:()=> 'timmy',
+  fetchJson: async (url, options) => {{
+    calls.push({{url,method:options.method,key:options.headers['Idempotency-Key'],body:JSON.parse(options.body)}});
+    return {{repository:'stackchain/dashboard',number:17,title:'Ship',body:'- [x] Test',updated_at:'2026-08-15T11:00:00Z'}};
+  }},
+}});
+const queued = outbox.enqueue({{
+  kind:'issue-content',repository:'stackchain/dashboard',number:17,operationId:'check-op',
+  title:'Ship',body:'- [x] Test',expectedUpdatedAt:'2026-08-15T10:00:00Z',
+}});
+const restored = createAuthoredOutbox({{storage}}).list()[0];
+outbox.flush('timmy').then(result => process.stdout.write(JSON.stringify({{queued,restored,calls,result,remaining:outbox.list()}})));
+"""
+    output = run_node(script)
+
+    assert output["queued"]["expectedUpdatedAt"] == "2026-08-15T10:00:00Z"
+    assert output["restored"]["title"] == "Ship"
+    assert output["calls"] == [{
+        "url": "api/v1/repos/stackchain/dashboard/issues/17/content",
+        "method": "PATCH",
+        "key": "check-op",
+        "body": {
+            "title": "Ship", "body": "- [x] Test",
+            "expected_updated_at": "2026-08-15T10:00:00Z",
+        },
+    }]
+    assert output["result"]["confirmed"][0]["body"] == "- [x] Test"
+    assert output["remaining"] == []
+
+
 def test_authored_outbox_persists_and_delivers_desired_blocker_state():
     script = f"""
 const createAuthoredOutbox = require({json.dumps(str(OUTBOX))});

tests/test_background_issue_sync.py

@@ -96,6 +96,41 @@ const fetchJson=async url=>url==='api/v1/background-identity'?{{login:'timmy'}}:
     }
 
 
+def test_closed_app_sync_delivers_revision_checked_issue_content():
+    script = f"""
+const createBackgroundIssueSync = require({json.dumps(str(SYNC))});
+let item = {{
+  id:'check-1',operationId:'check-1',kind:'issue-content',ownerLogin:'timmy',status:'queued',
+  repository:'stackchain/dashboard',number:17,title:'Ship',body:'- [x] Test',expectedUpdatedAt:'2026-08-15T10:00:00Z',
+}};
+const state={{calls:[],completed:[]}};
+const store={{
+  claimNext:async()=>item?{{...item}}:null,
+  complete:async id=>{{state.completed.push(id);item=null;}},
+  release:async()=>{{}},fail:async()=>{{}},countBlocked:async()=>0,
+}};
+const fetchJson=async(url,options={{}})=>{{
+  state.calls.push({{url,method:options.method,key:options.headers?.['Idempotency-Key']||'',body:options.body?JSON.parse(options.body):null}});
+  if(url==='api/v1/background-identity') return {{login:'timmy'}};
+  return {{repository:'stackchain/dashboard',number:17,title:'Ship',body:'- [x] Test',updated_at:'2026-08-15T11:00:00Z'}};
+}};
+(async()=>{{const result=await createBackgroundIssueSync({{store,fetchJson}}).flush();process.stdout.write(JSON.stringify({{state,result}}));}})();
+"""
+    output = run_node(script)
+
+    assert output["state"]["calls"][1] == {
+        "url": "api/v1/repos/stackchain/dashboard/issues/17/content",
+        "method": "PATCH",
+        "key": "check-1",
+        "body": {
+            "title": "Ship", "body": "- [x] Test",
+            "expected_updated_at": "2026-08-15T10:00:00Z",
+        },
+    }
+    assert output["state"]["completed"] == ["check-1"]
+    assert output["result"]["confirmed"][0]["body"] == "- [x] Test"
+
+
 def test_closed_app_sync_delivers_desired_blocker_state():
     script = f"""
 const createBackgroundIssueSync = require({json.dumps(str(SYNC))});

tests/test_issue_api.py

@@ -664,6 +664,45 @@ async def test_gitea_edit_issue_rejects_stale_revision_without_patch():
     ]
 
 
+@pytest.mark.anyio
+async def test_gitea_edit_issue_confirms_already_applied_content_after_lost_response():
+    requests = []
+
+    async def handler(request):
+        requests.append(request)
+        if request.url.path == "/api/v1/user":
+            return httpx.Response(200, json={"login": "timmy"})
+        return httpx.Response(200, json={
+            "number": 17,
+            "title": "My draft",
+            "body": "Draft body",
+            "state": "open",
+            "updated_at": "2026-08-07T10:02:00Z",
+            "assignees": [{"login": "timmy"}],
+            "pull_request": None,
+            "html_url": "https://forge.example/stackchain/api/issues/17",
+        })
+
+    gitea_proxy.start_client(transport=httpx.MockTransport(handler))
+    try:
+        result = await gitea_proxy.update_assigned_issue(
+            "stackchain/api", 17, "My draft", "Draft body",
+            "2026-08-07T10:00:00Z",
+        )
+    finally:
+        await gitea_proxy.stop_client()
+
+    assert [(request.method, request.url.path) for request in requests] == [
+        ("GET", "/api/v1/user"),
+        ("GET", "/api/v1/repos/stackchain/api/issues/17"),
+    ]
+    assert result == {
+        "repository": "stackchain/api", "number": 17, "title": "My draft",
+        "body": "Draft body", "state": "open", "updated_at": "2026-08-07T10:02:00Z",
+        "url": "https://forge.example/stackchain/api/issues/17",
+    }
+
+
 @pytest.mark.anyio
 async def test_gitea_edit_issue_revalidates_assignment_and_confirms_content():
     requests = []

tests/test_markdown_renderer.py

@@ -155,7 +155,7 @@ def test_all_read_only_work_bodies_use_the_shared_markdown_renderer():
         "renderMarkdown(detail.body || 'No description provided.')",
         "renderMarkdown(item.body || 'No description provided.')",
         "renderMarkdown(review.body)",
-        "issueController.renderTasks(qs('#issue-sheet-body'), detail, !selectedIssueOffline",
+        "issueController.renderTasks(qs('#issue-sheet-body'), detail,",
     )
     for path in expected_paths:
         assert path in dashboard

tests/test_my_work.py

@@ -2206,12 +2206,16 @@ async def test_mobile_issue_detail_toggles_checklist_with_touch_safe_recovery():
     html = await dashboard()
     controller = ISSUE_SHEET.read_text()
 
-    assert "issueController.renderTasks(qs('#issue-sheet-body'), detail, !selectedIssueOffline" in html
+    assert "issueController.renderTasks(qs('#issue-sheet-body'), detail," in html
+    assert "!issueController.readOnly(selectedIssue) && detail.state === 'open'" in html
+    assert "enqueueDurably:message => authoredOutbox.enqueueDurably(message)" in html
     assert "issueController.bindTaskToggles({" in html
     assert "container.addEventListener('change', async event =>" in controller
     assert "event.target.closest('input.task-list-toggle')" in controller
     assert "state.item, state.detail, Number(control.dataset.taskIndex), control.checked" in controller
-    assert "current:()=>({item:selectedIssue,detail:selectedIssueDetail})" in html
+    assert "current:()=>({item:selectedIssue,detail:selectedIssueDetail,offline:selectedIssueOffline})" in html
+    assert "state.offline ? this.queueTask" in controller
+    assert "status.textContent = 'Checklist queued. Pending sync.'" in controller
     assert "buildMyWork.replaceIssueContent" in html
     assert "status.textContent = 'Checklist updated.'" in controller
     assert "restore(state.detail)" in controller
@@ -2220,6 +2224,69 @@ async def test_mobile_issue_detail_toggles_checklist_with_touch_safe_recovery():
     assert '.checklist-pending .task-list-toggle { opacity:.65;' in html
 
 
+def test_offline_issue_checklist_toggle_waits_for_durable_admission_and_returns_pending_detail():
+    script = f"""
+const createIssueSheet = require({json.dumps(str(ISSUE_SHEET))});
+let admit; const queued = [];
+const controller = createIssueSheet({{
+  storage:null,
+  toggleTask:(body, index, checked) => body.replace(index === 0 ? '[ ]' : '[X]', checked ? '[x]' : '[ ]'),
+  enqueueDurably:message => {{ queued.push(message); return new Promise(resolve => admit = resolve); }},
+}});
+const item = {{repository:'stackchain/api', number:17}};
+const detail = {{title:'Release', body:'- [ ] Build\\n- [X] Ship', updated_at:'2026-08-15T10:00:00Z'}};
+let settled = false;
+const pending = controller.queueTask(item, detail, 0, true).then(result => {{ settled = true; return result; }});
+const before = settled;
+admit({{item:{{id:'queued-check'}}}});
+pending.then(result => process.stdout.write(JSON.stringify({{before,queued,result}})));
+"""
+    output = json.loads(subprocess.run(
+        ["node", "-e", script], check=True, capture_output=True, text=True
+    ).stdout)
+
+    assert output["before"] is False
+    assert output["queued"] == [{
+        "kind": "issue-content", "repository": "stackchain/api", "number": 17,
+        "title": "Release", "body": "- [x] Build\n- [X] Ship",
+        "expectedUpdatedAt": "2026-08-15T10:00:00Z",
+    }]
+    assert output["result"] == {
+        "queued": True,
+        "detail": {
+            "title": "Release", "body": "- [x] Build\n- [X] Ship",
+            "updated_at": "2026-08-15T10:00:00Z", "checklist_pending": True,
+        },
+    }
+
+
+def test_offline_issue_checklist_restores_account_bound_pending_body_after_reload():
+    script = f"""
+const createIssueSheet = require({json.dumps(str(ISSUE_SHEET))});
+const controller = createIssueSheet({{storage:null}});
+const detail = {{title:'Release',body:'- [ ] Build',updated_at:'old'}};
+const items = [
+  {{kind:'issue-content',repository:'o/r',number:7,ownerLogin:'alexander',title:'Wrong',body:'- [x] Wrong',expectedUpdatedAt:'wrong',status:'queued'}},
+  {{kind:'issue-content',repository:'o/r',number:7,ownerLogin:'timmy',title:'Release',body:'- [x] Build',expectedUpdatedAt:'old',status:'queued'}},
+];
+process.stdout.write(JSON.stringify({{
+  restored:controller.pendingTask({{repository:'o/r',number:7}}, detail, items, 'timmy'),
+  isolated:controller.pendingTask({{repository:'o/r',number:7}}, detail, items, 'hou3'),
+}}));
+"""
+    output = json.loads(subprocess.run(
+        ["node", "-e", script], check=True, capture_output=True, text=True
+    ).stdout)
+
+    assert output["restored"] == {
+        "title": "Release", "body": "- [x] Build", "updated_at": "old",
+        "checklist_pending": True,
+    }
+    assert output["isolated"] == {
+        "title": "Release", "body": "- [ ] Build", "updated_at": "old",
+    }
+
+
 def test_issue_checklist_toggle_submits_exact_revision_checked_body_once():
     script = f"""
 const createIssueSheet = require({json.dumps(str(ISSUE_SHEET))});