feat(tess): add generic interaction CLI (#731)

packages/mosaic/src/commands/interaction.test.ts

@@ -0,0 +1,22 @@
+import { describe, expect, it } from 'vitest';
+import { Command } from 'commander';
+import { registerInteractionCommand } from './interaction.js';
+
+describe('generic interaction CLI', (): void => {
+  it('registers every required interaction verb without an instance-specific command name', () => {
+    const program = new Command();
+    const command = registerInteractionCommand(program);
+    expect(command.name()).toBe('interaction');
+    expect(command.commands.map((item) => item.name()).sort()).toEqual([
+      'attach',
+      'chat',
+      'health',
+      'recover',
+      'send',
+      'sessions',
+      'status',
+      'stop',
+      'tree',
+    ]);
+  });
+});