refactor(tui): dedupe handlers and formatter test setup

src/tui/commands.test.ts

@@ -0,0 +1,35 @@
+import { describe, expect, it } from "vitest";
+import { getSlashCommands, helpText, parseCommand } from "./commands.js";
+
+describe("parseCommand", () => {
+  it("normalizes aliases and keeps command args", () => {
+    expect(parseCommand("/elev full")).toEqual({ name: "elevated", args: "full" });
+  });
+
+  it("returns empty name for empty input", () => {
+    expect(parseCommand("   ")).toEqual({ name: "", args: "" });
+  });
+});
+
+describe("getSlashCommands", () => {
+  it("provides level completions for built-in toggles", () => {
+    const commands = getSlashCommands();
+    const verbose = commands.find((command) => command.name === "verbose");
+    const activation = commands.find((command) => command.name === "activation");
+    expect(verbose?.getArgumentCompletions?.("o")).toEqual([
+      { value: "on", label: "on" },
+      { value: "off", label: "off" },
+    ]);
+    expect(activation?.getArgumentCompletions?.("a")).toEqual([
+      { value: "always", label: "always" },
+    ]);
+  });
+});
+
+describe("helpText", () => {
+  it("includes slash command help for aliases", () => {
+    const output = helpText();
+    expect(output).toContain("/elevated <on|off|ask|full>");
+    expect(output).toContain("/elev <on|off|ask|full>");
+  });
+});