Fix tiptap selection sync and toolbar event loop

wolai-frontend/src/app/(app)/documents/[id]/page.tsx

@@ -6,7 +6,8 @@ import { isConvexEnabled } from "@/lib/convex/enabled";
 import { fetchDocumentMetaViaBridge } from "@/lib/documents/bridge-server";
 import { getAuthedConvexClient } from "@/lib/convex/route";
 import { buildDocumentBridgeContext, buildDocumentQueryEnvelope } from "@/lib/documents/bridge";
-import { buildPageSubtreeProjection } from "@/lib/documents/page-subtree";
+import type { PageSubtreeProjection } from "@/lib/documents/page-subtree";
+import { normalizeDocumentContentResponse } from "@/lib/documents/page-subtree-response";
 import { executeRustBridgeQueryTransport, resolveRustBridgeQueryPlan } from "@/lib/documents/rust-runtime";
 
 interface DocumentPageProps {
@@ -48,15 +49,18 @@ type DocumentContentPayload = {
   content?: unknown;
   revision?: number | null;
   conflict_detection_key?: string | null;
+  page_subtree?: PageSubtreeProjection | null;
 };
 
 async function fetchDocumentContentOnServer(input: {
   documentId: string;
   workspaceId: string;
+  title?: string | null;
 }): Promise<{
   content: unknown;
   revision: number | null;
   conflictDetectionKey: string | null;
+  pageSubtree: PageSubtreeProjection | null;
 }> {
   try {
     const headerList = await headers();
@@ -101,23 +105,19 @@ async function fetchDocumentContentOnServer(input: {
       client,
       plan,
     });
+    const normalized = normalizeDocumentContentResponse({
+      documentId: input.documentId,
+      title: input.title ?? null,
+      payload: result,
+    });
 
-    return {
-      content: result?.content ?? null,
-      revision:
-        typeof result?.revision === "number" && Number.isInteger(result.revision)
-          ? result.revision
-          : 0,
-      conflictDetectionKey:
-        typeof result?.conflict_detection_key === "string" && result.conflict_detection_key.trim()
-          ? result.conflict_detection_key
-          : `${input.documentId}:0`,
-    };
+    return normalized;
   } catch {
     return {
       content: null,
       revision: null,
       conflictDetectionKey: null,
+      pageSubtree: null,
     };
   }
 }
@@ -169,11 +169,7 @@ export default async function DocumentPage({ params, searchParams }: DocumentPag
     const initialDocumentContent = await fetchDocumentContentOnServer({
       documentId: doc.id,
       workspaceId: doc.workspace_id,
-    });
-    const initialPageSubtree = buildPageSubtreeProjection({
-      documentId: doc.id,
       title: doc.title ?? "无标题",
-      content: initialDocumentContent.content,
     });
 
     return (
@@ -187,7 +183,7 @@ export default async function DocumentPage({ params, searchParams }: DocumentPag
             initialContent={initialDocumentContent.content}
             initialContentRevision={initialDocumentContent.revision}
             initialConflictDetectionKey={initialDocumentContent.conflictDetectionKey}
-            initialPageSubtree={initialPageSubtree}
+            initialPageSubtree={initialDocumentContent.pageSubtree}
             initialOptions={initialOptions}
             initialStats={initialStats}
             openTableId={openTableId}

wolai-frontend/src/app/api/documents/content/route.ts

@@ -7,6 +7,8 @@ import {
   buildDocumentQueryEnvelope,
   documentBridgeErrorResponse,
 } from "@/lib/documents/bridge";
+import type { PageSubtreeProjection } from "@/lib/documents/page-subtree";
+import { normalizeDocumentContentResponse } from "@/lib/documents/page-subtree-response";
 import {
   executeRustBridgeQueryTransport,
   resolveRustBridgeQueryPlan,
@@ -35,6 +37,8 @@ export async function GET(request: Request) {
         content?: unknown;
         revision?: number | null;
         conflict_detection_key?: string | null;
+        title?: string | null;
+        page_subtree?: PageSubtreeProjection | null;
       } | null>({
         client,
         plan,
@@ -54,16 +58,17 @@ export async function GET(request: Request) {
         );
       }
 
+      const normalized = normalizeDocumentContentResponse({
+        documentId,
+        title: typeof result.title === "string" && result.title.trim() ? result.title : null,
+        payload: result,
+      });
+
       return NextResponse.json({
-        content: result.content ?? null,
-        revision:
-          typeof result.revision === "number" && Number.isInteger(result.revision)
-            ? result.revision
-            : 0,
-        conflictDetectionKey:
-          typeof result.conflict_detection_key === "string" && result.conflict_detection_key.trim()
-            ? result.conflict_detection_key
-            : `${documentId}:0`,
+        content: normalized.content,
+        revision: normalized.revision,
+        conflictDetectionKey: normalized.conflictDetectionKey,
+        pageSubtree: normalized.pageSubtree,
         meta: {
           requestId: bridgeContext.requestId,
           traceId: bridgeContext.traceId,