Retire Convex paths and standardize local-first Pi runtime

scripts/task164-desktop-hot-local-folder-main-entry-smoke.js

@@ -124,7 +124,7 @@ async function main() {
     assert.equal(recentLocalRoots[0], fileUrl(root), "打开本地文件夹后应记录最近 rootUri");
 
     const bodyText = await page.locator("body").innerText({ timeout: UI_TIMEOUT_MS });
-    assert(!bodyText.includes("legacy_next_compat_disabled"), "本地文件夹主入口不能落入 legacy Next fallback");
+    assert(!bodyText.includes("legacy_next_compat"), "本地文件夹主入口不能出现已退役的 legacy Next 文案");
     const readmeRow = page.locator('.tree-row[data-row-id="local:markdown:README.md"]');
     const docsRow = page.locator('.tree-row[data-row-id="local:folder:docs"]');
     await readmeRow.waitFor({
@@ -206,7 +206,7 @@ async function main() {
     await page.goto(BASE_URL, { waitUntil: "domcontentloaded", timeout: UI_TIMEOUT_MS });
     const finalUrl = new URL(page.url());
     assert(
-      finalUrl.pathname === "/" && !page.url().includes("legacy_next_compat_disabled"),
+      finalUrl.pathname === "/" && !page.url().includes("legacy_next_compat"),
       "回到主入口后应仍由 Rust Web 主壳承载",
     );