fix: preserve pasted content in new memos

apps/api/src/index.ts

@@ -162,6 +162,7 @@ type MemoSummaryRow = {
   title: string | null;
   excerpt: string;
   content_text?: string | null;
+  content_markdown?: string | null;
   tags_json: string;
   is_pinned: number;
   is_archived: number;
@@ -1534,7 +1535,7 @@ app.get("/api/v1/memos", async (c) => {
            )
            SELECT m.id, m.notebook_id, m.title, m.excerpt, m.tags_json, m.is_pinned,
                   m.is_archived, m.is_deleted, m.created_at, m.updated_at, m.deleted_at, mc.revision,
-                  mc.content_text
+                  mc.content_text, mc.content_markdown
            FROM search_matches s
            INNER JOIN memos m ON m.id = s.memo_id
            INNER JOIN memo_contents mc ON mc.memo_id = m.id
@@ -1587,7 +1588,7 @@ app.get("/api/v1/memos", async (c) => {
       c.env.storage.db.prepare(
         `SELECT m.id, m.notebook_id, m.title, m.excerpt, m.tags_json, m.is_pinned,
                 m.is_archived, m.is_deleted, m.created_at, m.updated_at, m.deleted_at, mc.revision,
-                mc.content_text
+                mc.content_text, mc.content_markdown
          FROM memos m
          INNER JOIN memo_contents mc ON mc.memo_id = m.id
          WHERE ${searchCursorConditions.join(" AND ")}
@@ -1616,7 +1617,7 @@ app.get("/api/v1/memos", async (c) => {
     c.env.storage.db.prepare(
       `SELECT m.id, m.notebook_id, m.title, m.excerpt, m.tags_json, m.is_pinned,
               m.is_archived, m.is_deleted, m.created_at, m.updated_at, m.deleted_at, mc.revision,
-              mc.content_text
+              mc.content_text, mc.content_markdown
        FROM memos m
        INNER JOIN memo_contents mc ON mc.memo_id = m.id
        WHERE ${cursorConditions.join(" AND ")}
@@ -4443,7 +4444,7 @@ const mapMemoSummary = (row: MemoSummaryRow): MemoSummary => ({
   id: row.id,
   notebookId: row.notebook_id,
   title: row.title,
-  excerpt: row.excerpt || createExcerpt(row.content_text ?? ""),
+  excerpt: row.excerpt || createExcerpt(row.content_text ?? "") || createExcerpt(docToText(markdownToDoc(row.content_markdown ?? ""))),
   tags: parseJsonArray(row.tags_json),
   isPinned: Boolean(row.is_pinned),
   isArchived: Boolean(row.is_archived),

apps/web/src/components/EditorPane.tsx

@@ -1166,6 +1166,7 @@ const RichEditorPane = ({
   const [tagsText, setTagsText] = useState("");
   const [saveState, setSaveState] = useState<"idle" | "saving" | "saved" | "queued" | "error" | "conflict">("idle");
   const [hasUnsavedChanges, setHasUnsavedChanges] = useState(false);
+  const [hydratedEditorMemoId, setHydratedEditorMemoId] = useState<string | null>(null);
   const [dirtyVersion, setDirtyVersion] = useState(0);
   const [, setEditorStateVersion] = useState(0);
   const [editorContentVersion, setEditorContentVersion] = useState(0);
@@ -1413,7 +1414,7 @@ const RichEditorPane = ({
     content: memo
       ? resolveMemoContentDoc(memo.contentJson, memo.contentMarkdown)
       : { type: "doc", content: [{ type: "paragraph" }] },
-    editable: Boolean(memo && !effectiveReadOnly),
+    editable: Boolean(memo && !effectiveReadOnly && hydratedEditorMemoId === memo.id),
     editorProps: {
       attributes: {
         class: "prose prose-slate max-w-none focus:outline-none min-h-[300px] px-4 py-3 sm:px-7",
@@ -1887,6 +1888,7 @@ const RichEditorPane = ({
       memoRef.current = null;
       editSessionRef.current = null;
       hydratedMemoIdRef.current = null;
+      setHydratedEditorMemoId(null);
       editingMemoIdRef.current = null;
       hasUnsavedChangesRef.current = false;
       setHasUnsavedChanges(false);
@@ -1908,6 +1910,7 @@ const RichEditorPane = ({
 
     if (!sameMemo) {
       hydratedMemoIdRef.current = null;
+      setHydratedEditorMemoId(null);
     }
 
     if (sameMemo && hasUnsavedChangesRef.current && !memo.isDeleted) {
@@ -1969,6 +1972,7 @@ const RichEditorPane = ({
 
       hydratedMemoIdRef.current = memo.id;
       editSessionRef.current = editSessionResponse?.editSession ?? (requiresLocalEditSession(memo) ? createLocalEditSession(memo) : null);
+      setHydratedEditorMemoId(memo.id);
 
       window.setTimeout(() => {
         hydratingRef.current = false;
@@ -2001,9 +2005,9 @@ const RichEditorPane = ({
 
   useEffect(() => {
     if (isEditorReady(editor)) {
-      editor.setEditable(Boolean(memo && !effectiveReadOnly));
+      editor.setEditable(Boolean(memo && !effectiveReadOnly && hydratedEditorMemoId === memo.id));
     }
-  }, [editor, effectiveReadOnly, memo]);
+  }, [editor, effectiveReadOnly, hydratedEditorMemoId, memo]);
 
   useEffect(() => {
     if (!isEditorReady(editor) || !memo) {

apps/web/src/components/WorkspaceApp.tsx

@@ -38,7 +38,7 @@ import {
 } from "@/lib/mobile-editor";
 import { cn } from "@/lib/utils";
 import { isBrowserOffline, isBrowserOnline, verifyBrowserConnectivity } from "@/lib/network-status";
-import { createExcerpt, docToText, getNotebookDescendantIds, type Notebook, type AuthUser, type MemoSummary, type MemoDetail, type Resource, type MemoTemplate as SavedMemoTemplate } from "@edgeever/shared";
+import { createExcerpt, docToText, getNotebookDescendantIds, resolveMemoContentDoc, type Notebook, type AuthUser, type MemoSummary, type MemoDetail, type Resource, type MemoTemplate as SavedMemoTemplate } from "@edgeever/shared";
 import { toggleMobileMemoSelection } from "@edgeever/shared/mobile-ui";
 import type {
   Pane,
@@ -171,7 +171,7 @@ const memoToSummary = (memo: MemoDetail): MemoSummary => ({
   id: memo.id,
   notebookId: memo.notebookId,
   title: memo.title,
-  excerpt: memo.excerpt || createExcerpt(memo.contentText || docToText(memo.contentJson) || memo.contentMarkdown),
+  excerpt: memo.excerpt || createExcerpt(memo.contentText || docToText(resolveMemoContentDoc(memo.contentJson, memo.contentMarkdown))),
   tags: memo.tags,
   isPinned: memo.isPinned,
   isArchived: memo.isArchived,

packages/shared/src/content.test.mjs

@@ -1,5 +1,5 @@
 import { describe, expect, test } from "bun:test";
-import { countMemoCharacters, docToMarkdown, markdownToDoc, resolveMemoContentDoc } from "./content.ts";
+import { countMemoCharacters, docToMarkdown, docToText, markdownToDoc, resolveMemoContentDoc } from "./content.ts";
 
 describe("memo character count", () => {
   test("counts punctuation while excluding whitespace and formatting", () => {
@@ -59,6 +59,15 @@ describe("Markdown table conversion", () => {
   });
 });
 
+describe("legacy Markdown body recovery", () => {
+  test("recovers a body when the stored JSON document is empty", () => {
+    const markdown = "权威和反中心化特征，即当一个人成为某种代表性的符号之后";
+    const resolved = resolveMemoContentDoc(markdownToDoc(""), markdown);
+
+    expect(docToText(resolved)).toContain(markdown);
+  });
+});
+
 describe("Nested list Markdown conversion", () => {
   const markdown = [
     "- Level 1",

packages/shared/src/content.ts

@@ -77,7 +77,11 @@ export const resolveMemoContentDoc = (
   }
 
   const markdownDoc = markdownToDoc(contentMarkdown);
-  return docContainsNodeType(markdownDoc, "table") ? markdownDoc : currentDoc;
+  // Some older saves left an empty JSON document behind while retaining the
+  // real body in Markdown. Treat that as a compatibility case too; otherwise
+  // the editor can show the Markdown body while list excerpts see an empty
+  // JSON document.
+  return docContainsNodeType(markdownDoc, "table") || !docToText(currentDoc) ? markdownDoc : currentDoc;
 };
 
 const LEGACY_ATTACHMENT_PATTERN = /^(附件：|Attachment:\s*)(.+?)\s+(\/api\/v1\/resources\/\S+|https?:\/\/\S+)$/;