feat: drop the 2.8 columns, moves and aliases kept for a downgrade

src/backend/tests/database/db/retired-columns.test.ts

@@ -0,0 +1,34 @@
+import { describe, expect, it } from "vitest";
+import {
+  legacySudoMoves,
+  legacySudoPassword,
+} from "../../../database/db/retired-columns.js";
+
+describe("legacySudoPassword", () => {
+  it("reads the sudo password out of a terminal_config value", () => {
+    expect(legacySudoPassword('{"sudoPassword":"s3cret"}')).toBe("s3cret");
+    expect(legacySudoPassword({ sudoPassword: "s3cret" })).toBe("s3cret");
+    expect(legacySudoPassword(JSON.stringify('{"sudoPassword":"x"}'))).toBe(
+      "x",
+    );
+  });
+
+  it("finds nothing in anything else", () => {
+    expect(legacySudoPassword(null)).toBeNull();
+    expect(legacySudoPassword("{")).toBeNull();
+    expect(legacySudoPassword('{"sudoPassword":""}')).toBeNull();
+    expect(legacySudoPassword("[1]")).toBeNull();
+  });
+});
+
+describe("legacySudoMoves", () => {
+  it("moves only hosts with no sudo password of their own", () => {
+    expect(
+      legacySudoMoves([
+        { id: 1, terminal_config: '{"sudoPassword":"a"}', sudo_password: null },
+        { id: 2, terminal_config: '{"sudoPassword":"b"}', sudo_password: "own" },
+        { id: 3, terminal_config: '{"theme":"nord"}', sudo_password: null },
+      ]),
+    ).toEqual([{ id: 1, sudoPassword: "a" }]);
+  });
+});