Waters Boards: self-hosted work management to replace monday.com

Boards with groups, items, subitems and 18 column types; table, kanban,
calendar, timeline, chart and files views; updates with @mentions,
replies and attachments; inbox, My work, search, automations; Google
sign-in restricted to company domains; live updates over SSE; a
monday.com API importer; phone layout and installable PWA; Docker +
Gitea Actions deploy to the NAS.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

server/public/sw.js

@@ -0,0 +1,17 @@
+// Network-first for the app shell so a deploy is picked up on next load; cached copy
+// only when offline. API calls and files are never cached here.
+const CACHE = 'wb-shell-v1';
+self.addEventListener('install', (e) => self.skipWaiting());
+self.addEventListener('activate', (e) => e.waitUntil(self.clients.claim()));
+self.addEventListener('fetch', (e) => {
+  const url = new URL(e.request.url);
+  if (e.request.method !== 'GET' || url.origin !== location.origin) return;
+  if (url.pathname.startsWith('/api/') || url.pathname.startsWith('/files/')) return;
+  e.respondWith(
+    fetch(e.request).then((res) => {
+      const copy = res.clone();
+      caches.open(CACHE).then((c) => c.put(e.request, copy));
+      return res;
+    }).catch(() => caches.match(e.request).then((r) => r || caches.match('/')))
+  );
+});