fix: flush durable outboxes after reconnect (Closes #927)

frontend/dashboard.js

@@ -6962,19 +6962,25 @@
     setStatus('Offline');
     if (!hasContextSnapshot) await hydrateOfflineWork();
   }
-  function reconnectLiveData() {
-    setStatus('Reconnecting…');
-    contextPoller.refresh({ force: true }).then(snapshot => {
+  const reconnectOutboxes = createReconnectOutboxes({
+    refresh: async () => {
+      setStatus('Reconnecting…');
+      const snapshot = await contextPoller.refresh({ force: true });
       if (!snapshot) {
         offlineStatus.hidden = false;
         setOfflineWorkMode(true);
-        return;
+        return null;
       }
       offlineStatus.hidden = true;
       setOfflineWorkMode(false);
       if (selectedReview && offlineReview) openReviewSheet(selectedReview, reviewTrigger);
-    });
-  }
+      return snapshot;
+    },
+    restoreIdentity: login => { activeFlushLogin = login; confirmedOwnerLogin = login; },
+    flushIssue: flushIssueOutbox,
+    flushAuthored: flushAuthoredOutbox,
+    flushNotificationReads: flushNotificationReadOutbox,
+  });
   async function setOfflineWorkEnabled(enabled) {
     keepWorkOffline.checked = enabled;
     offlineWorkStore.setEnabled(enabled);
@@ -7032,7 +7038,7 @@
   updateDeliveryReceiptControls();
   if (!navigator.onLine) await showOfflineStatus();
   window.addEventListener('offline', showOfflineStatus);
-  window.addEventListener('online', reconnectLiveData);
+  window.addEventListener('online', reconnectOutboxes);
 
   qs('#refresh').addEventListener('click', load);
   qs('#plan-today').addEventListener('click', event => openPlanToday(event.currentTarget));

frontend/index.html

@@ -1307,6 +1307,7 @@
 <script src="static/outbox-coordinator.js"></script>
 <script src="static/background-issue-sync.js"></script>
 <script src="static/issue-outbox.js"></script>
+<script src="static/reconnect-outboxes.js"></script>
 <script src="static/authored-outbox.js"></script>
 <script src="static/offline-issue-close.js"></script>
 <script src="static/offline-issue-blocker.js"></script>

frontend/reconnect-outboxes.js

@@ -0,0 +1,25 @@
+function createReconnectOutboxes({
+  refresh,
+  restoreIdentity,
+  flushIssue,
+  flushAuthored,
+  flushNotificationReads,
+}) {
+  return async function reconnectOutboxes() {
+    const snapshot = await refresh();
+    const freshness = snapshot?.freshness?.sections?.context;
+    const identityFresh = snapshot?.context && !snapshot.context.error &&
+      !freshness?.stale && !freshness?.degraded && !freshness?.revalidating;
+    const login = identityFresh ? String(snapshot.context.user?.login || '').trim() : '';
+    if (!login) return false;
+    restoreIdentity(login);
+    await Promise.all([
+      flushIssue(),
+      flushAuthored(),
+      flushNotificationReads(),
+    ]);
+    return true;
+  };
+}
+
+if (typeof module !== 'undefined' && module.exports) module.exports = createReconnectOutboxes;

frontend/service-worker.js

@@ -32,6 +32,7 @@ const SHELL = [
   BASE + 'static/draft-capacity-dialog.js',
   BASE + 'static/outbox-coordinator.js',
   BASE + 'static/issue-outbox.js',
+  BASE + 'static/reconnect-outboxes.js',
   BASE + 'static/authored-outbox.js',
   BASE + 'static/offline-issue-close.js',
   BASE + 'static/offline-issue-blocker.js',

tests/test_reconnect_outboxes.py

@@ -0,0 +1,51 @@
+import json
+import subprocess
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[1]
+RECONNECT = ROOT / "frontend" / "reconnect-outboxes.js"
+
+
+def run_node(script: str) -> dict:
+    result = subprocess.run(
+        ["node", "-e", script], cwd=ROOT, text=True, capture_output=True, check=True
+    )
+    return json.loads(result.stdout)
+
+
+def test_successful_reconnect_restores_identity_and_flushes_unchanged_outboxes():
+    result = run_node(
+        f"""
+const createReconnectOutboxes = require({json.dumps(str(RECONNECT))});
+const calls = [];
+const reconnect = createReconnectOutboxes({{
+  refresh: async () => ({{context:{{user:{{login:'timmy'}}}}}}),
+  restoreIdentity: login => calls.push(['identity', login]),
+  flushIssue: () => calls.push(['issue']),
+  flushAuthored: () => calls.push(['authored']),
+  flushNotificationReads: () => calls.push(['notification-read']),
+}});
+reconnect().then(result => process.stdout.write(JSON.stringify({{result, calls}})));
+"""
+    )
+
+    assert result == {
+        "result": True,
+        "calls": [
+            ["identity", "timmy"],
+            ["issue"],
+            ["authored"],
+            ["notification-read"],
+        ],
+    }
+
+
+def test_dashboard_uses_reconnect_flush_after_live_identity_refresh():
+    index = (ROOT / "frontend" / "index.html").read_text()
+    dashboard = (ROOT / "frontend" / "dashboard.js").read_text()
+
+    assert '<script src="static/reconnect-outboxes.js"></script>' in index
+    assert "const reconnectOutboxes = createReconnectOutboxes({" in dashboard
+    assert "restoreIdentity: login => { activeFlushLogin = login; confirmedOwnerLogin = login; }" in dashboard
+    assert "window.addEventListener('online', reconnectOutboxes);" in dashboard

tests/test_service_worker.py

@@ -930,6 +930,7 @@ def test_install_precaches_complete_subpath_scoped_app_shell():
         "/dashboard/static/draft-capacity-dialog.js",
         "/dashboard/static/outbox-coordinator.js",
         "/dashboard/static/issue-outbox.js",
+        "/dashboard/static/reconnect-outboxes.js",
         "/dashboard/static/authored-outbox.js",
         "/dashboard/static/offline-issue-close.js",
         "/dashboard/static/offline-issue-blocker.js",