feat: refine providers onboarding and cli

src/providers/registry.test.ts

@@ -0,0 +1,29 @@
+import { describe, expect, it } from "vitest";
+
+import {
+  formatProviderSelectionLine,
+  listChatProviders,
+  normalizeChatProviderId,
+} from "./registry.js";
+
+describe("provider registry", () => {
+  it("normalizes aliases", () => {
+    expect(normalizeChatProviderId("imsg")).toBe("imessage");
+  });
+
+  it("keeps Telegram first in the default order", () => {
+    const providers = listChatProviders();
+    expect(providers[0]?.id).toBe("telegram");
+  });
+
+  it("formats selection lines with docs labels", () => {
+    const providers = listChatProviders();
+    const first = providers[0];
+    if (!first) throw new Error("Missing provider metadata.");
+    const line = formatProviderSelectionLine(first, (path, label) =>
+      [label, path].filter(Boolean).join(":"),
+    );
+    expect(line).toContain("Docs:");
+    expect(line).toContain("telegram");
+  });
+});