Keep newer PRD text across a save, date a project by its PRD, and open a hosted kit index

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

Author: Jing-yilin

canvas/server/sp.ts

@@ -200,10 +200,11 @@ export function createSpServer(options: {
             name,
             url: `/p/${encodeURIComponent(name)}/`,
             path: dir,
-            // A project with no board yet was last edited when it was made.
+            // A project with no board yet was last edited when it was made. Its documents count.
             updated: Math.max(
               fs.statSync(dir).mtimeMs,
               ...canvases.map((c) => c.updated),
+              ...DOCS.map((doc) => fs.statSync(path.join(dir, doc), { throwIfNoEntry: false })?.mtimeMs ?? 0),
             ),
             canvases,
             cover: projectCover(boards, readProjectJson(dir).cover),

canvas/src/AppShell.tsx

@@ -43,12 +43,13 @@ declare global {
  * What the window's address opened on: the home page, or a view of this project's, whose tab is
  * worked out here from the address until the canvas has loaded and said which it landed on.
  * The hosted build is on Cloudflare Pages, which answers `home.html` with a 308 to `home`, so
- * the home page is either. A build has no project, only examples, so its bare address is home.
+ * the home page is either. A build has no project, only examples, so its bare address is home,
+ * but not its index of kits, `?brand=`, which is the same project view with an empty slug too.
  */
 const openedTab = tabFor(tabFromUrl(location.href));
 const opened =
   /\/home(\.html)?$/.test(location.pathname) ||
-  (!canvasIndex().served && openedTab.kind === "project")
+  (!canvasIndex().served && openedTab.kind === "project" && openedTab.view.kind === "canvas")
     ? null
     : { tab: openedTab, href: frameUrl(location.href) };
 

canvas/src/DocTab.tsx

@@ -99,7 +99,8 @@ export function DocTab({ slug }: { slug: string }) {
       const d = draftOf(slug);
       draft.set(undefined);
       saveError.set(undefined);
-      if (d) void save(d, keepalive).then((saved) => saved || draft.set(d));
+      // Kept on failure, unless it has been reopened and edited again since.
+      if (d) void save(d, keepalive).then((saved) => saved || draft.get() || draft.set(d));
     };
     const hide = () => leave(true);
     window.addEventListener(DOCS_CHANGED, redraw);
@@ -133,8 +134,12 @@ export function DocTab({ slug }: { slug: string }) {
             if ((e.metaKey || e.ctrlKey) && e.key === "s") {
               e.preventDefault();
               const d = draftOf(slug)!;
-              // Saved, the file is the text now, and the next save checks against it.
-              void save(d).then((saved) => saved && draft.set({ ...d, base: d.text }));
+              // Saved, the file is the text now, and the next save checks against it. The text
+              // stays the current one, which may have been typed on while this was in flight.
+              void save(d).then((saved) => {
+                const now = draftOf(slug);
+                if (saved && now) draft.set({ ...now, base: d.text });
+              });
             }
           }}
         />