feat(editor): allow hiding query line numbers

apps/desktop/src/stores/__tests__/settingsStore.spec.ts

@@ -131,6 +131,12 @@ describe("normalizeEditorSettings", () => {
     expect(normalizeEditorSettings({ sidebarConnectionSortMode: "invalid" as any }).sidebarConnectionSortMode).toBe("manual");
   });
 
+  it("shows line numbers by default and preserves an explicit opt-out", () => {
+    expect(normalizeEditorSettings({}).showLineNumbers).toBe(true);
+    expect(normalizeEditorSettings({ showLineNumbers: false }).showLineNumbers).toBe(false);
+    expect(normalizeEditorSettings({ showLineNumbers: "false" } as any).showLineNumbers).toBe(true);
+  });
+
   it("shows the current statement frame by default", () => {
     expect(normalizeEditorSettings({}).showCurrentStatementFrame).toBe(true);
   });
@@ -726,6 +732,29 @@ describe("settingsStore persisted settings initialization", () => {
     expect(saveEditorSettings).toHaveBeenLastCalledWith(expect.objectContaining({ openDataTabsNextToActive: false }));
   });
 
+  it("loads, persists, and reloads hidden query editor line numbers", async () => {
+    let persistedSettings: Record<string, unknown> = { showLineNumbers: true };
+    const loadEditorSettings = vi.fn(async () => JSON.parse(JSON.stringify(persistedSettings)));
+    const saveEditorSettings = vi.fn(async (settings: Record<string, unknown>) => {
+      persistedSettings = JSON.parse(JSON.stringify(settings));
+    });
+    vi.doMock("@/lib/backend/api", () => ({ loadEditorSettings, saveEditorSettings }));
+
+    const { useSettingsStore } = await import("@/stores/settingsStore");
+    const store = useSettingsStore();
+    await store.initEditorSettings();
+    await store.updateEditorSettingsAndPersist({ showLineNumbers: false });
+
+    expect(store.editorSettings.showLineNumbers).toBe(false);
+    expect(saveEditorSettings).toHaveBeenLastCalledWith(expect.objectContaining({ showLineNumbers: false }));
+
+    setActivePinia(createPinia());
+    const restartedStore = useSettingsStore();
+    await restartedStore.initEditorSettings();
+
+    expect(restartedStore.editorSettings.showLineNumbers).toBe(false);
+  });
+
   it("shares concurrent initialization and applies startup changes after saved settings load", async () => {
     let resolveLoad!: (value: unknown) => void;
     const loadEditorSettings = vi.fn(

apps/desktop/src/stores/settingsStore.ts

@@ -525,6 +525,7 @@ export interface EditorSettings {
   timeoutInheritanceMigrationVersion: number;
   showExecutionTargetPicker: boolean;
   showStatementRunButtons: boolean;
+  showLineNumbers: boolean;
   showCurrentStatementFrame: boolean;
   showInsertValueHints: boolean;
   autoAliasTables: boolean;
@@ -733,6 +734,7 @@ export const DEFAULT_EDITOR_SETTINGS: EditorSettings = {
   timeoutInheritanceMigrationVersion: 2,
   showExecutionTargetPicker: false,
   showStatementRunButtons: true,
+  showLineNumbers: true,
   showCurrentStatementFrame: true,
   showInsertValueHints: true,
   autoAliasTables: true,
@@ -1105,6 +1107,7 @@ export function normalizeEditorSettings(settings: Partial<EditorSettings>, exist
           : 0,
     showExecutionTargetPicker: settings.showExecutionTargetPicker ?? DEFAULT_EDITOR_SETTINGS.showExecutionTargetPicker,
     showStatementRunButtons: typeof settings.showStatementRunButtons === "boolean" ? settings.showStatementRunButtons : DEFAULT_EDITOR_SETTINGS.showStatementRunButtons,
+    showLineNumbers: typeof settings.showLineNumbers === "boolean" ? settings.showLineNumbers : DEFAULT_EDITOR_SETTINGS.showLineNumbers,
     showCurrentStatementFrame: typeof settings.showCurrentStatementFrame === "boolean" ? settings.showCurrentStatementFrame : DEFAULT_EDITOR_SETTINGS.showCurrentStatementFrame,
     showInsertValueHints: typeof settings.showInsertValueHints === "boolean" ? settings.showInsertValueHints : DEFAULT_EDITOR_SETTINGS.showInsertValueHints,
     autoAliasTables: settings.autoAliasTables ?? DEFAULT_EDITOR_SETTINGS.autoAliasTables,
@@ -1705,6 +1708,7 @@ export const useSettingsStore = defineStore("settings", () => {
     if (partial.timeoutInheritanceMigrationVersion !== undefined) editorSettings.value.timeoutInheritanceMigrationVersion = Math.max(0, Math.floor(partial.timeoutInheritanceMigrationVersion));
     if (partial.showExecutionTargetPicker !== undefined) editorSettings.value.showExecutionTargetPicker = partial.showExecutionTargetPicker;
     if (partial.showStatementRunButtons !== undefined) editorSettings.value.showStatementRunButtons = partial.showStatementRunButtons === true;
+    if (partial.showLineNumbers !== undefined) editorSettings.value.showLineNumbers = partial.showLineNumbers === true;
     if (partial.showCurrentStatementFrame !== undefined) editorSettings.value.showCurrentStatementFrame = partial.showCurrentStatementFrame === true;
     if (partial.showInsertValueHints !== undefined) editorSettings.value.showInsertValueHints = partial.showInsertValueHints === true;
     if (partial.autoAliasTables !== undefined) editorSettings.value.autoAliasTables = partial.autoAliasTables;