fix(editor): preserve editor selection during result auto refresh

apps/desktop/src/lib/__tests__/dataGrid/dataGridNativeSelection.spec.ts

@@ -2,7 +2,7 @@ import { afterEach, describe, expect, it, vi } from "vitest";
 
 import { beginDataGridNativeSelectionBlock, DATA_GRID_NATIVE_SELECTION_BLOCK_CLASS, DATA_GRID_NATIVE_SELECTION_RELEASE_DELAY_MS, finishDataGridNativeSelectionBlock } from "@/lib/dataGrid/dataGridNativeSelection";
 
-function selectionEnvironment() {
+function selectionEnvironment(options: { editableActiveElement?: boolean } = {}) {
   const classes = new Set<string>();
   const removeAllRanges = vi.fn();
   return {
@@ -16,6 +16,11 @@ function selectionEnvironment() {
             remove: (className: string) => classes.delete(className),
           },
         },
+        activeElement: options.editableActiveElement
+          ? {
+              closest: vi.fn(() => ({})),
+            }
+          : null,
       },
       getSelection: () => ({ removeAllRanges }),
       setTimeout,
@@ -39,6 +44,16 @@ describe("data grid native selection block", () => {
     expect(removeAllRanges).toHaveBeenCalledOnce();
   });
 
+  it("preserves the native selection while an editable control is focused", () => {
+    const { classes, removeAllRanges, environment } = selectionEnvironment({ editableActiveElement: true });
+    const owner = {};
+
+    beginDataGridNativeSelectionBlock(owner, environment);
+
+    expect(classes.has(DATA_GRID_NATIVE_SELECTION_BLOCK_CLASS)).toBe(true);
+    expect(removeAllRanges).not.toHaveBeenCalled();
+  });
+
   it("keeps the application-level block across a fast component replacement", () => {
     vi.useFakeTimers();
     const { classes, environment } = selectionEnvironment();

apps/desktop/src/lib/dataGrid/dataGridNativeSelection.ts

@@ -9,6 +9,9 @@ interface NativeSelectionBlockEnvironment {
         remove(className: string): void;
       };
     };
+    activeElement?: {
+      closest?(selector: string): unknown;
+    } | null;
   };
   getSelection?: () => { removeAllRanges(): void } | null;
   setTimeout(callback: () => void, delay: number): ReturnType<typeof setTimeout>;
@@ -40,10 +43,17 @@ function hasActiveBlockForEnvironment(environment: NativeSelectionBlockEnvironme
   return [...activeSelectionBlocks.values()].some((activeBlock) => activeBlock.environment.document?.documentElement === documentElement);
 }
 
+function activeElementUsesNativeSelection(environment: NativeSelectionBlockEnvironment): boolean {
+  return !!environment.document?.activeElement?.closest?.("input, textarea, [contenteditable='true'], [role='textbox']");
+}
+
 export function beginDataGridNativeSelectionBlock(owner: DataGridNativeSelectionBlockOwner, environment: NativeSelectionBlockEnvironment = defaultEnvironment()) {
   clearReleaseTimer(owner);
   activeSelectionBlocks.set(owner, { environment });
   environment.document?.documentElement?.classList.add(DATA_GRID_NATIVE_SELECTION_BLOCK_CLASS);
+  // Clearing the document selection while a text editor is focused can leave
+  // CodeMirror's caret visible but detach the browser's active editing range.
+  if (activeElementUsesNativeSelection(environment)) return;
   environment.getSelection?.()?.removeAllRanges();
 }