Function generateCommitMessage

bin/features_adapter.js:191–214

* Generate a conventional commit message for the auto-commit feature. * MarrowScript Feature #2: replaces the hand-rolled string truncation in * the auto-commit block of runAgentLoop. * * @param {string} task - The user's task description * @param {string[]} changedFiles - Files modifie

(task, changedFiles)

 * @returns {Promise<string>} commit message string
 */
async function generateCommitMessage(task, changedFiles) {
  const prompts = _getPrompts();
  const fallback = `smallcode: ${task.slice(0, 50).replace(/[\n\r"'`$\\]/g, ' ').trim()}`;
  if (!prompts) return fallback;
  try {
    const traceId = require('crypto').randomUUID();
    const result = await prompts.callPrompt('commit_message', {
      task: task,
      changed_files: changedFiles.slice(0, 10).join(', '),
    }, { trace_id: traceId });
    const msg = String(result).trim()
      .replace(/^["']|["']$/g, '')  // strip surrounding quotes
      .replace(/\.$/, '')            // strip trailing period
      .slice(0, 72);
    // Validate conventional commit format
    if (/^(feat|fix|docs|refactor|test|chore|style|ci|perf|build|revert)(\(.+\))?:/.test(msg)) {
      return msg;
    }
    // Model didn't follow the format — use its output as the description with a generic prefix
    return `chore: ${msg.slice(0, 65)}`;
  } catch {
    return fallback;
  }
}

/**
 * Check if a user message is too vague to act on.