refactor: unify data preparations and research input snapshots

frontend/tests/semi-ai.spec.ts

@@ -1,9 +1,17 @@
+import { choosePreparation } from "./preparation-helpers";
 import { expect, test } from "@playwright/test";
 
 // UI contract fixtures: no external model call or simulation is started by these tests.
 const fixed = {
   id: "semi-fixed-input",
-  dataset_id: "TEST_FIN",
+  name: "Semi 准备集合",
+  note: "",
+  version: 1,
+  field_count: 1,
+  dataset_count: 1,
+  dataset_ids: ["TEST_FIN"],
+  fields: [],
+  preparation_ref: { id: "semi-fixed-input", version: 1 },
   field_ids: ["TEST_FIN_001"],
   field_types: { TEST_FIN_001: "MATRIX" },
   collection_version: "fixed-v1",
@@ -20,8 +28,19 @@ for (const mode of ["templates", "variants", "features"] as const) {
   }) => {
     const errors: string[] = [];
     page.on("pageerror", (error) => errors.push(error.message));
-    await page.route("**/api/v1/research/inputs", (route) =>
-      route.fulfill({ json: { items: [fixed] } }),
+    await page.route("**/api/v1/data-preparations?*", (route) =>
+      route.fulfill({
+        json: { items: [fixed], total: 1, limit: 25, offset: 0 },
+      }),
+    );
+    await page.route(
+      "**/api/v1/data-preparations/semi-fixed-input/selection?*",
+      (route) => route.fulfill({ json: fixed }),
+    );
+    await page.route(
+      "**/api/v1/research/input-snapshots/semi-fixed-input",
+      (route) =>
+        route.fulfill({ json: { ...fixed, preparation_ref: undefined } }),
     );
     await page.route(
       "**/api/v1/research/assets/semi-generated/versions",
@@ -49,23 +68,18 @@ for (const mode of ["templates", "variants", "features"] as const) {
       exact: true,
     });
     await expect(generate).toBeDisabled();
-    await sheet
-      .getByRole("combobox", {
-        name: feature ? "特征固定输入" : "固定研究输入",
-        exact: true,
-      })
-      .click();
-    await page
-      .getByRole("option")
-      .filter({ hasText: fixed.id.slice(0, 8) })
-      .click();
+    await choosePreparation(
+      page,
+      fixed.name,
+      feature ? "选择特征数据准备" : "选择数据准备",
+    );
     await input.click();
     if (mode === "variants")
       await sheet.getByLabel("种子 Alpha", { exact: true }).fill("TEST0001");
     const hypothesis = "检验 <收益> 与规模\n第二轮保留原始假设";
     await input.fill(hypothesis);
     await expect(
-      sheet.locator(".research-ai-reference").filter({ hasText: fixed.id }),
+      sheet.locator("p").filter({ hasText: /Semi 准备集合 ·/ }),
     ).toBeVisible();
     let release!: () => void;
     const pending = new Promise<void>((resolve) => {
@@ -117,7 +131,8 @@ for (const mode of ["templates", "variants", "features"] as const) {
       .poll(() => requestBody)
       .toMatchObject({
         hypothesis,
-        input_ids: [fixed.id],
+        input_ids: [],
+        preparation_refs: [fixed.preparation_ref],
         method: feature
           ? "feature"
           : mode === "variants"