feat: add get and describe commands with API client

kubectl-style get (table/json/yaml) and describe commands for servers,
profiles, projects, instances. ApiClient for daemon communication.
118 CLI tests passing.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/cli/tests/commands/describe.test.ts

@@ -0,0 +1,85 @@
+import { describe, it, expect, vi } from 'vitest';
+import { createDescribeCommand } from '../../src/commands/describe.js';
+import type { DescribeCommandDeps } from '../../src/commands/describe.js';
+
+function makeDeps(item: unknown = {}): DescribeCommandDeps & { output: string[] } {
+  const output: string[] = [];
+  return {
+    output,
+    fetchResource: vi.fn(async () => item),
+    log: (...args: string[]) => output.push(args.join(' ')),
+  };
+}
+
+describe('describe command', () => {
+  it('shows detailed server info', async () => {
+    const deps = makeDeps({
+      id: 'srv-1',
+      name: 'slack',
+      transport: 'STDIO',
+      packageName: '@slack/mcp',
+      dockerImage: null,
+      envTemplate: [],
+    });
+    const cmd = createDescribeCommand(deps);
+    await cmd.parseAsync(['node', 'test', 'server', 'srv-1']);
+
+    expect(deps.fetchResource).toHaveBeenCalledWith('servers', 'srv-1');
+    const text = deps.output.join('\n');
+    expect(text).toContain('--- Server ---');
+    expect(text).toContain('name: slack');
+    expect(text).toContain('transport: STDIO');
+    expect(text).toContain('dockerImage: -');
+  });
+
+  it('resolves resource aliases', async () => {
+    const deps = makeDeps({ id: 'p1' });
+    const cmd = createDescribeCommand(deps);
+    await cmd.parseAsync(['node', 'test', 'prof', 'p1']);
+    expect(deps.fetchResource).toHaveBeenCalledWith('profiles', 'p1');
+  });
+
+  it('outputs JSON format', async () => {
+    const deps = makeDeps({ id: 'srv-1', name: 'slack' });
+    const cmd = createDescribeCommand(deps);
+    await cmd.parseAsync(['node', 'test', 'server', 'srv-1', '-o', 'json']);
+
+    const parsed = JSON.parse(deps.output[0] ?? '');
+    expect(parsed.name).toBe('slack');
+  });
+
+  it('outputs YAML format', async () => {
+    const deps = makeDeps({ id: 'srv-1', name: 'slack' });
+    const cmd = createDescribeCommand(deps);
+    await cmd.parseAsync(['node', 'test', 'server', 'srv-1', '-o', 'yaml']);
+    expect(deps.output[0]).toContain('name: slack');
+  });
+
+  it('formats nested objects', async () => {
+    const deps = makeDeps({
+      id: 'srv-1',
+      name: 'slack',
+      metadata: { version: '1.0', nested: { deep: true } },
+    });
+    const cmd = createDescribeCommand(deps);
+    await cmd.parseAsync(['node', 'test', 'server', 'srv-1']);
+
+    const text = deps.output.join('\n');
+    expect(text).toContain('metadata:');
+    expect(text).toContain('version: 1.0');
+  });
+
+  it('formats arrays correctly', async () => {
+    const deps = makeDeps({
+      id: 'srv-1',
+      permissions: ['read', 'write'],
+      envTemplate: [],
+    });
+    const cmd = createDescribeCommand(deps);
+    await cmd.parseAsync(['node', 'test', 'server', 'srv-1']);
+
+    const text = deps.output.join('\n');
+    expect(text).toContain('permissions: read, write');
+    expect(text).toContain('envTemplate: []');
+  });
+});