feat(copy): add camel-case JSON field names

Closes #4784

apps/desktop/src/components/grid/DataGridExtractorDialog.vue

@@ -69,6 +69,10 @@ function updateSql<K extends keyof DataGridExtractorOptions["sql"]>(key: K, valu
   draftOptions.value = { ...draftOptions.value, sql: { ...draftOptions.value.sql, [key]: value } };
 }
 
+function updateJson<K extends keyof DataGridExtractorOptions["json"]>(key: K, value: DataGridExtractorOptions["json"][K]) {
+  draftOptions.value = { ...draftOptions.value, json: { ...draftOptions.value.json, [key]: value } };
+}
+
 async function refreshPreview() {
   const sequence = ++previewSequence;
   previewLoading.value = true;
@@ -217,7 +221,10 @@ function save() {
             </div>
           </template>
 
-          <label v-if="isJson" class="flex items-center gap-2 text-sm"><input type="checkbox" :checked="draftOptions.json.pretty" @change="draftOptions = { ...draftOptions, json: { pretty: ($event.target as HTMLInputElement).checked } }" />{{ t("grid.copyExtractorPrettyJson") }}</label>
+          <template v-if="isJson">
+            <label class="flex items-center gap-2 text-sm"><input type="checkbox" :checked="draftOptions.json.pretty" @change="updateJson('pretty', ($event.target as HTMLInputElement).checked)" />{{ t("grid.copyExtractorPrettyJson") }}</label>
+            <label class="flex items-center gap-2 text-sm"><input type="checkbox" :checked="draftOptions.json.camelCaseFieldNames" @change="updateJson('camelCaseFieldNames', ($event.target as HTMLInputElement).checked)" />{{ t("grid.copyExtractorCamelCaseJsonFields") }}</label>
+          </template>
         </div>
 
         <div class="min-w-0 space-y-1.5">

apps/desktop/src/i18n/locales/en.ts

@@ -1521,6 +1521,7 @@ export default {
     copyExtractorInsertMerged: "Merge rows",
     copyExtractorInsertRowByRow: "One statement per row",
     copyExtractorPrettyJson: "Pretty-print JSON",
+    copyExtractorCamelCaseJsonFields: "Convert snake_case fields to camelCase",
     copyExtractorPreview: "Preview (current selection)",
     copyExtractorEmptySelection: "Select data to preview the extractor output.",
     copyExtractorUnsupportedSelection: "This extractor requires the same columns to be selected in every row.",

apps/desktop/src/i18n/locales/es.ts

@@ -1867,6 +1867,7 @@ export default withEnglishFallback({
     copyExtractorInsertMerged: "Combinar varias filas",
     copyExtractorInsertRowByRow: "Una sentencia por fila",
     copyExtractorPrettyJson: "JSON formateado",
+    copyExtractorCamelCaseJsonFields: "Convertir campos snake_case a camelCase",
     copyExtractorPreview: "Vista previa (selección actual)",
     copyExtractorEmptySelection: "Seleccione datos para previsualizar el resultado de la extracción.",
     copyExtractorUnsupportedSelection: "El extractor actual requiere seleccionar las mismas columnas en cada fila.",

apps/desktop/src/i18n/locales/it.ts

@@ -1865,6 +1865,7 @@ export default withEnglishFallback({
     copyExtractorInsertMerged: "Unisci più righe",
     copyExtractorInsertRowByRow: "Una istruzione per riga",
     copyExtractorPrettyJson: "JSON formattato",
+    copyExtractorCamelCaseJsonFields: "Converti i campi snake_case in camelCase",
     copyExtractorPreview: "Anteprima (selezione corrente)",
     copyExtractorEmptySelection: "Seleziona i dati per visualizzare l'anteprima dell'estrazione.",
     copyExtractorUnsupportedSelection: "L'estrattore corrente richiede la stessa selezione di colonne per ogni riga.",

apps/desktop/src/i18n/locales/ja.ts

@@ -1887,6 +1887,7 @@ export default withEnglishFallback({
     copyExtractorInsertMerged: "複数行をマージ",
     copyExtractorInsertRowByRow: "1行ごとに1文",
     copyExtractorPrettyJson: "JSONを整形",
+    copyExtractorCamelCaseJsonFields: "snake_caseのフィールド名をcamelCaseに変換",
     copyExtractorPreview: "プレビュー（現在の選択）",
     copyExtractorEmptySelection: "データを選択してから抽出結果をプレビューしてください。",
     copyExtractorUnsupportedSelection: "現在の抽出器では各行で同じ列を選択する必要があります。",

apps/desktop/src/i18n/locales/ko.ts

@@ -1405,6 +1405,7 @@ export default withEnglishFallback({
     copyExtractorInsertMerged: "행 병합",
     copyExtractorInsertRowByRow: "행별 한 구문",
     copyExtractorPrettyJson: "JSON 보기 좋게",
+    copyExtractorCamelCaseJsonFields: "snake_case 필드 이름을 camelCase로 변환",
     copyExtractorPreview: "미리보기 (현재 선택)",
     copyExtractorEmptySelection: "추출기 출력을 미리보려면 데이터를 선택하세요.",
     copyExtractorUnsupportedSelection: "이 추출기는 모든 행에서 동일한 컬럼이 선택되어야 합니다.",

apps/desktop/src/i18n/locales/pt-BR.ts

@@ -1867,6 +1867,7 @@ export default withEnglishFallback({
     copyExtractorInsertMerged: "Mesclar várias linhas",
     copyExtractorInsertRowByRow: "Uma instrução por linha",
     copyExtractorPrettyJson: "JSON formatado",
+    copyExtractorCamelCaseJsonFields: "Converter campos snake_case para camelCase",
     copyExtractorPreview: "Visualizar (seleção atual)",
     copyExtractorEmptySelection: "Selecione dados para visualizar os resultados da extração.",
     copyExtractorUnsupportedSelection: "O extrator atual exige que as mesmas colunas sejam selecionadas para cada linha.",

apps/desktop/src/i18n/locales/zh-CN.ts

@@ -1445,6 +1445,7 @@ export default withEnglishFallback({
     copyExtractorInsertMerged: "合并多行",
     copyExtractorInsertRowByRow: "每行一条语句",
     copyExtractorPrettyJson: "格式化 JSON",
+    copyExtractorCamelCaseJsonFields: "下划线字段名转为小驼峰",
     copyExtractorPreview: "预览（当前选择）",
     copyExtractorEmptySelection: "请选择数据后预览提取结果。",
     copyExtractorUnsupportedSelection: "当前提取器要求每一行选择相同的列。",

apps/desktop/src/i18n/locales/zh-TW.ts

@@ -1871,6 +1871,7 @@ export default withEnglishFallback({
     copyExtractorInsertMerged: "合併多行",
     copyExtractorInsertRowByRow: "每行一條語句",
     copyExtractorPrettyJson: "格式化 JSON",
+    copyExtractorCamelCaseJsonFields: "將底線欄位名稱轉為小駝峰",
     copyExtractorPreview: "預覽（目前選擇）",
     copyExtractorEmptySelection: "請選擇資料後預覽提取結果。",
     copyExtractorUnsupportedSelection: "目前提取器要求每一行選擇相同的列。",

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

@@ -1,3 +1,4 @@
+import { readFileSync } from "node:fs";
 import { describe, expect, it } from "vitest";
 import { DEFAULT_DATA_GRID_EXTRACTOR_OPTIONS, normalizeDataGridCopyPreference, normalizeDataGridExtractorOptions, resolveDataGridCopyPreference, validateDataGridExtractorOptions } from "@/lib/dataGrid/dataGridCopyExtractor";
 
@@ -18,6 +19,20 @@ describe("data-grid extractor options", () => {
     expect(normalized.dsv).not.toBe(DEFAULT_DATA_GRID_EXTRACTOR_OPTIONS.dsv);
   });
 
+  it("keeps camel-case JSON field names explicit and disabled by default", () => {
+    expect(normalizeDataGridExtractorOptions({ json: {} }).json.camelCaseFieldNames).toBe(false);
+    expect(normalizeDataGridExtractorOptions({ json: { camelCaseFieldNames: true } }).json.camelCaseFieldNames).toBe(true);
+    expect(normalizeDataGridExtractorOptions({ json: { camelCaseFieldNames: "true" } }).json.camelCaseFieldNames).toBe(false);
+  });
+
+  it("exposes the camel-case field-name switch only with JSON extractor options", () => {
+    const dialog = readFileSync(new URL("../../../components/grid/DataGridExtractorDialog.vue", import.meta.url), "utf8");
+
+    expect(dialog).toContain('v-if="isJson"');
+    expect(dialog).toContain("draftOptions.json.camelCaseFieldNames");
+    expect(dialog).toContain('t("grid.copyExtractorCamelCaseJsonFields")');
+  });
+
   it("rejects overlapping effective row and column separators", () => {
     const options = normalizeDataGridExtractorOptions(DEFAULT_DATA_GRID_EXTRACTOR_OPTIONS);
     options.dsv.rowSeparator = ",";

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

@@ -88,7 +88,10 @@ export interface DataGridExtractorOptions {
     insertMode: DataGridCopyInsertMode;
     excludePrimaryKeysFromInsert: boolean;
   };
-  json: { pretty: boolean };
+  json: {
+    pretty: boolean;
+    camelCaseFieldNames: boolean;
+  };
 }
 
 export interface DataGridExtractColumn {
@@ -145,7 +148,7 @@ export const DEFAULT_DATA_GRID_EXTRACTOR_OPTIONS: DataGridExtractorOptions = {
     insertMode: "merged",
     excludePrimaryKeysFromInsert: false,
   },
-  json: { pretty: true },
+  json: { pretty: true, camelCaseFieldNames: false },
 };
 
 function unicodeCodePointLength(value: string): number {
@@ -175,7 +178,10 @@ export function normalizeDataGridExtractorOptions(value: unknown): DataGridExtra
       insertMode: sql.insertMode === "row-by-row" ? "row-by-row" : "merged",
       excludePrimaryKeysFromInsert: sql.excludePrimaryKeysFromInsert === true,
     },
-    json: { pretty: json.pretty !== false },
+    json: {
+      pretty: json.pretty !== false,
+      camelCaseFieldNames: json.camelCaseFieldNames === true,
+    },
   };
 }