fix(web): update Credential Sharing e2e assertion to new CLI example

The page band flipped from coming-soon to available, replacing the old
`logicsrc credentials plan --from env --to railway` example. Point the e2e
check at the stable `logicsrc credentials providers` line instead.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: ralyodio

apps/logicsrc-web/e2e/logicsrc.spec.ts

@@ -21,7 +21,7 @@ test.describe("LogicSRC PWA", () => {
     await expect(page.getByRole("heading", { name: "Doppler", exact: true })).toBeVisible();
     await expect(page.getByRole("heading", { name: "Railway", exact: true })).toBeVisible();
     await expect(page.getByRole("heading", { name: "GitHub Secrets", exact: true })).toBeVisible();
-    await expect(page.getByText("logicsrc credentials plan --from env --to railway")).toBeVisible();
+    await expect(page.getByText("logicsrc credentials providers")).toBeVisible();
   });
 
   test("renders top-level docs and legal route targets", async ({ page }) => {