test(cli): ensure raw output not truncated

Node's util.inspect() has a default maxStringLength of 10000 characters,
causing large MCP responses to be truncated with '... N more characters'.

See: https://nodejs.org/api/util.html#utilinspectobject-options

This affects --output raw and the default output format when it falls
back to printRaw().

Fix: set maxStringLength: null to disable string truncation while
preserving depth: 2 for readable nested object summaries.

Verify (before fix shows 10000, after fix shows 15000):
  node -e "console.log('x count:', (require('util').inspect({t:'x'.repeat(15000)}, {depth:2}).match(/x/g)||[]).length)"
  node -e "console.log('x count:', (require('util').inspect({t:'x'.repeat(15000)}, {depth:2, maxStringLength:null}).match(/x/g)||[]).length)"

src/cli/output-utils.ts

@@ -156,5 +156,5 @@ function printRaw(raw: unknown): void {
     console.log(raw.toString());
     return;
   }
-  console.log(inspect(raw, { depth: 2, breakLength: 80 }));
+  console.log(inspect(raw, { depth: 2, maxStringLength: null, breakLength: 80 }));
 }

tests/cli-output-utils.test.ts

@@ -0,0 +1,25 @@
+import { describe, expect, it, vi } from 'vitest';
+import { printCallOutput } from '../src/cli/output-utils.js';
+
+describe('printCallOutput raw output', () => {
+  it('does not truncate long strings when printing raw output', () => {
+    const longText = 'x'.repeat(15000);
+    const log = vi.spyOn(console, 'log').mockImplementation(() => {});
+    const wrapped = {
+      json: () => null,
+      markdown: () => null,
+      text: () => null,
+    };
+
+    try {
+      printCallOutput(wrapped as any, { t: longText }, 'raw');
+
+      expect(log).toHaveBeenCalledTimes(1);
+      const logged = log.mock.calls[0][0] as string;
+      expect(logged).not.toContain('... 5000 more characters');
+      expect(logged).toContain(longText.slice(-50));
+    } finally {
+      log.mockRestore();
+    }
+  });
+});