Fix empty board loading state and browser P2P patch (#1175)

* fix(board): show loaded empty boards

* fix(p2p): patch browser hooks runtime

* fix(board): stop flash loading for explicit empty boards

* fix(board): wait for feed on preloaded empty pages

src/lib/utils/__tests__/raw-board-thread-state.test.ts

@@ -61,6 +61,46 @@ describe('getRawBoardThreadState', () => {
     ).toBe(true);
   });
 
+  it('treats explicit empty page CIDs as a fully loaded empty board', () => {
+    const community = {
+      posts: {
+        pageCids: {},
+        pages: {},
+      },
+      updatedAt: 1781773422,
+    } as Community;
+
+    expect(
+      getRawBoardThreadState({
+        accountId: undefined,
+        communitiesPages: {} as CommunitiesPages,
+        community,
+        sortType: 'active',
+      }),
+    ).toMatchObject({
+      isFullyLoaded: true,
+      rootThreadCids: new Set<string>(),
+    });
+  });
+
+  it('does not treat placeholder empty page CIDs as fully loaded', () => {
+    const community = {
+      posts: {
+        pageCids: {},
+        pages: {},
+      },
+    } as Community;
+
+    expect(
+      getRawBoardThreadState({
+        accountId: undefined,
+        communitiesPages: {} as CommunitiesPages,
+        community,
+        sortType: 'active',
+      }).isFullyLoaded,
+    ).toBe(false);
+  });
+
   it('walks stored board pages without importing side-effectful stores', () => {
     const community = {
       posts: {

src/lib/utils/raw-board-thread-state.ts

@@ -1,11 +1,13 @@
 import type { Comment, CommunitiesPages, Community, CommunityPage } from '@bitsocial/bitsocial-react-hooks';
 
 export type RawBoardThreadState = {
+  hasExplicitEmptyPageCids: boolean;
   isFullyLoaded: boolean;
   rootThreadCids: Set<string>;
 };
 
 const EMPTY_RAW_BOARD_THREAD_STATE: RawBoardThreadState = {
+  hasExplicitEmptyPageCids: false,
   isFullyLoaded: false,
   rootThreadCids: new Set<string>(),
 };
@@ -80,6 +82,7 @@ export const getRawBoardThreadState = ({
 
   if (pages.length > 0) {
     return {
+      hasExplicitEmptyPageCids: false,
       isFullyLoaded: !pages[pages.length - 1]?.nextCid,
       rootThreadCids,
     };
@@ -88,6 +91,8 @@ export const getRawBoardThreadState = ({
   const hasPageCid = Boolean(community.posts?.pageCids?.[sortType]);
   const preloadedPages = (preloadedSortPage ? [preloadedSortPage] : []) as Array<{ comments?: Comment[]; nextCid?: string }>;
   const hasCompletePreloadedPage = !hasPageCid && preloadedPages.some((page) => Array.isArray(page?.comments)) && preloadedPages.every((page) => !page?.nextCid);
+  const hasFetchedCommunityUpdate = typeof community.updatedAt === 'number' || typeof community.updateCid === 'string';
+  const hasExplicitEmptyPageCids = hasFetchedCommunityUpdate && Boolean(community.posts?.pageCids && !hasPageCid);
 
   if (hasCompletePreloadedPage) {
     for (const page of preloadedPages) {
@@ -96,7 +101,8 @@ export const getRawBoardThreadState = ({
   }
 
   return {
-    isFullyLoaded: hasCompletePreloadedPage,
+    hasExplicitEmptyPageCids,
+    isFullyLoaded: hasCompletePreloadedPage || hasExplicitEmptyPageCids,
     rootThreadCids,
   };
 };