Advance M8-M11 parity workflows

web/tests/e2e/storage-cleanup.spec.ts

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+import { expect, test } from "@playwright/test";
+import path from "node:path";
+
+const basicBlend = path.resolve(import.meta.dirname, "../../../tests/files/web/basic_scene.blend");
+
+test("M7-12 removes only one project's unreferenced content-addressed assets", async ({ page }) => {
+  await page.goto("/");
+  await expect(page.getByTestId("engine-status")).toContainText("ready, open a .blend file", { timeout: 20_000 });
+  await page.getByTestId("blend-file-input").setInputFiles(basicBlend);
+  await expect(page.getByText("Cube", { exact: true })).toBeVisible();
+  const download = page.waitForEvent("download");
+  await page.getByRole("button", { name: "保存项目" }).click();
+  await download;
+
+  const orphanA = "a".repeat(64);
+  const orphanB = "b".repeat(64);
+  const referenced = await page.evaluate(async ({ orphanA, orphanB }) => {
+    const { StorageClient } = await import("/src/storage/StorageClient.ts");
+    const storage = new StorageClient();
+    const keptA = await storage.putAsset("basic_scene", new Uint8Array(5).buffer, "image/png", "media/kept.png");
+    await storage.putAsset("cleanup-other", new Uint8Array(6).buffer, "image/png", "media/other.png");
+    const root = await navigator.storage.getDirectory();
+    const writeOrphan = async (projectId: string, hash: string, size: number) => {
+      let current = root;
+      for (const segment of ["projects", projectId, "assets", "sha256", hash.slice(0, 2)]) current = await current.getDirectoryHandle(segment, { create: true });
+      const handle = await current.getFileHandle(hash, { create: true });
+      const writer = await handle.createWritable();
+      await writer.write(new Uint8Array(size));
+      await writer.close();
+    };
+    await writeOrphan("basic_scene", orphanA, 19);
+    await writeOrphan("cleanup-other", orphanB, 23);
+    storage.terminate();
+    return { keptA: keptA.sha256, orphanA, orphanB };
+  }, { orphanA, orphanB });
+
+  await page.reload();
+  await expect(page.getByTestId("engine-status")).toContainText("ready, open a .blend file", { timeout: 20_000 });
+  await page.getByTestId("cleanup-project-assets").click();
+  await expect(page.locator(".status-bar")).toContainText("removed 1 orphan asset(s), 19 bytes");
+  const files = await page.evaluate(async ({ orphanA, orphanB, keptA }) => {
+    const root = await navigator.storage.getDirectory();
+    const read = async (projectId: string, hash: string) => {
+      try {
+        let current = root;
+        for (const segment of ["projects", projectId, "assets", "sha256", hash.slice(0, 2)]) current = await current.getDirectoryHandle(segment);
+        await current.getFileHandle(hash);
+        return true;
+      }
+      catch { return false; }
+    };
+    return { orphanA: await read("basic_scene", orphanA), orphanB: await read("cleanup-other", orphanB), keptA: await read("basic_scene", keptA) };
+  }, referenced);
+  expect(files).toEqual({ orphanA: false, orphanB: true, keptA: true });
+});