feat: add providers CLI and multi-account onboarding

src/cli/program.ts

@@ -42,6 +42,7 @@ import { registerModelsCli } from "./models-cli.js";
 import { registerNodesCli } from "./nodes-cli.js";
 import { registerPairingCli } from "./pairing-cli.js";
 import { forceFreePort } from "./ports.js";
+import { registerProvidersCli } from "./providers-cli.js";
 import { registerTelegramCli } from "./telegram-cli.js";
 import { registerTuiCli } from "./tui-cli.js";
 
@@ -637,6 +638,7 @@ Examples:
   registerDocsCli(program);
   registerHooksCli(program);
   registerPairingCli(program);
+  registerProvidersCli(program);
   registerTelegramCli(program);
 
   program