fix(cli): make SIGINT monitor shutdown handler async

[W4ilops]

What does this PR do?

Fixes a CLI syntax error in src/cli/index.js caused by using await import(...) inside a non-async SIGINT callback.

Type of change

• Bug fix
• New feature
• Documentation update
• Refactoring
• New skill (skills/*/SKILL.md)
• Test fix
• Other

Runtime context

• OS: Arch Linux
• Node.js: v20.20.2

Problem

The CLI failed before startup with:

SyntaxError: Unexpected reserved word

The issue came from this pattern:

process.on('SIGINT', () => {
  const { stopMonitor: stop } = await import('../analytics/reputation.js');
  stop(monitor.id);
  console.log(chalk.yellow('\nMonitor stopped.'));
  process.exit(0);
});

Root cause

await was used inside a callback that was not marked async.

Fix

Changed the handler to:

process.on('SIGINT', async () => {
  const { stopMonitor: stop } = await import('../analytics/reputation.js');
  stop(monitor.id);
  console.log(chalk.yellow('\nMonitor stopped.'));
  process.exit(0);
});

Validation

Verified locally with:

npm run cli -- --help
npm run cli -- tweets paoloanzn --limit 10

Both commands worked successfully after the patch.

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[Copilot]

Pull request overview

Fixes a CLI startup syntax error by making the SIGINT shutdown handler asynchronous so it can legally use await import(...) within the monitor command flow.

Changes:

• Updated the process.on('SIGINT', ...) handler in the monitor command to be async, enabling await import('../analytics/reputation.js').