source.patch

diff --git a/src/components/text-editor/prosemirror-adapter/editor-config.ts b/src/components/text-editor/prosemirror-adapter/editor-config.ts
--- a/src/components/text-editor/prosemirror-adapter/editor-config.ts
+++ b/src/components/text-editor/prosemirror-adapter/editor-config.ts
@@ -128,6 +128,13 @@
         }),
         keymap(menuCommandFactory.buildKeymap()),
         createTriggerPlugin(triggerCharacters, contentConverter),
+        // Paste ownership: structural table rules, then explicit cell-grid
+        // replacement, own table-bearing slices. The link/image shortcuts
+        // decline those slices; ordinary image files and URL text keep their
+        // existing handlers, with accepted image files ahead of URL text.
+        // Image transformPasted still enforces a configured
+        // no-upload policy, removing image leaves without removing their table.
+        // Other event and keyboard handlers retain their registration order.
         createLinkPlugin(onNewLinkSelection),
         createImageInserterPlugin(onImagePasted, inlineImages),
         createImageViewPlugin(language),
diff --git a/src/components/text-editor/prosemirror-adapter/plugins/image/inserter.ts b/src/components/text-editor/prosemirror-adapter/plugins/image/inserter.ts
--- a/src/components/text-editor/prosemirror-adapter/plugins/image/inserter.ts
+++ b/src/components/text-editor/prosemirror-adapter/plugins/image/inserter.ts
@@ -1,3 +1,4 @@
+import { containsPastedTable } from '../table-paste-plugin';
 import { Plugin, PluginKey } from 'prosemirror-state';
 import { EditorView } from 'prosemirror-view';
 import { createFileInfo } from '../../../../../util/files';
@@ -15,6 +16,36 @@
 
 type ImagePastedCallback = (data: ImageInserter) => CustomEvent<ImageInserter>;
 
+/** Use the existing image-file predicate, including its Excel/table exclusions. */
+export const hasPastedImageFile = (clipboardData: DataTransfer | null): boolean => {
+    return !!clipboardData && [...clipboardData.files].some((file) =>
+        isImageFile(file, clipboardData)
+    );
+};
+
+/** Preserve table wrappers while enforcing the host's no-new-image setting. */
+const filterPastedTableImages = (
+    slice: Slice,
+    inlineImages?: InlineImages
+): Slice => {
+    if (!containsPastedTable(slice) || !inlineImages || inlineImages.upload) {
+        return slice;
+    }
+    const withoutImages = (fragment: Fragment): Fragment => {
+        const children: Node[] = [];
+        // eslint-disable-next-line unicorn/no-array-for-each
+        fragment.forEach((child) => {
+            if (child.type.name !== 'image') {
+                children.push(
+                    child.isLeaf ? child : child.copy(withoutImages(child.content))
+                );
+            }
+        });
+        return Fragment.fromArray(children);
+    };
+    return new Slice(withoutImages(slice.content), slice.openStart, slice.openEnd);
+};
+
 export const createImageInserterPlugin = (
     imagePastedCallback: ImagePastedCallback,
     inlineImages?: InlineImages
@@ -22,7 +53,13 @@
     return new Plugin({
         key: pluginKey,
         props: {
+            transformPasted: (slice) => {
+                return filterPastedTableImages(slice, inlineImages);
+            },
             handlePaste: (view, event, slice) => {
+                if (containsPastedTable(slice)) {
+                    return false;
+                }
                 return processPasteEvent(view, event, slice, inlineImages);
             },
             handleDOMEvents: {
diff --git a/src/components/text-editor/prosemirror-adapter/plugins/link/link-plugin.ts b/src/components/text-editor/prosemirror-adapter/plugins/link/link-plugin.ts
--- a/src/components/text-editor/prosemirror-adapter/plugins/link/link-plugin.ts
+++ b/src/components/text-editor/prosemirror-adapter/plugins/link/link-plugin.ts
@@ -1,3 +1,5 @@
+import { hasPastedImageFile } from '../image/inserter';
+import { containsPastedTable } from '../table-paste-plugin';
 import { Plugin, PluginKey, TextSelection } from 'prosemirror-state';
 import { EditorView } from 'prosemirror-view';
 import { Mark, Fragment, Node, Schema } from 'prosemirror-model';
@@ -418,7 +420,10 @@
     return new Plugin({
         key: linkPluginKey,
         props: {
-            handlePaste: (view, event) => {
+            handlePaste: (view, event, slice) => {
+                if (containsPastedTable(slice) || hasPastedImageFile(event.clipboardData)) {
+                    return false;
+                }
                 return processPasteEvent(view, event);
             },
             handleDOMEvents: {
diff --git a/src/components/text-editor/prosemirror-adapter/plugins/table-paste-plugin.ts b/src/components/text-editor/prosemirror-adapter/plugins/table-paste-plugin.ts
--- a/src/components/text-editor/prosemirror-adapter/plugins/table-paste-plugin.ts
+++ b/src/components/text-editor/prosemirror-adapter/plugins/table-paste-plugin.ts
@@ -141,3 +141,15 @@
         (block) => block.type.spec.tableRole === 'table'
     );
 };
+
+/** Detect table, row and cell slices before content-specific paste shortcuts. */
+export const containsPastedTable = (slice: Slice): boolean => {
+    let found = false;
+    slice.content.descendants((node) => {
+        if (node.type.spec.tableRole) {
+            found = true;
+        }
+        return !found;
+    });
+    return found;
+};