Function buildSkillInstallFailureContext

actions/setup/js/handle_agent_failure.cjs:2155–2185

* Build a context string when frontmatter skill installation failed. * @param {boolean} hasSkillInstallFailures - Whether any skill installs failed * @param {string} skillInstallErrors - Newline-separated list of "skill error" entries * @returns {string} Formatted context string, or empty str

(hasSkillInstallFailures, skillInstallErrors)

 * @returns {string} Formatted context string, or empty string if no failures
 */
function buildSkillInstallFailureContext(hasSkillInstallFailures, skillInstallErrors) {
  if (!hasSkillInstallFailures) {
    return "";
  }

  let skillList = "";
  if (skillInstallErrors) {
    const errorLines = skillInstallErrors.split("\n").filter(line => line.trim());
    for (const errorLine of errorLines) {
      // New format uses tab delimiter; keep colon parsing as a backward-compatible fallback.
      const tabIdx = errorLine.indexOf("\t");
      if (tabIdx >= 0) {
        const skill = errorLine.slice(0, tabIdx);
        const error = errorLine.slice(tabIdx + 1);
        skillList += `- \`${skill}\`: ${error}\n`;
        continue;
      }
      const colonIdx = errorLine.indexOf(":");
      if (colonIdx >= 0) {
        const skill = errorLine.slice(0, colonIdx);
        const error = errorLine.slice(colonIdx + 1);
        skillList += `- \`${skill}\`: ${error}\n`;
      } else {
        skillList += `- ${errorLine}\n`;
      }
    }
  }

  const templatePath = getPromptPath("skill_install_failure.md");
  return "\n" + renderTemplateFromFile(templatePath, { skills: skillList });
}

/**
 * For the Copilot engine, adds a suggestion to use `permissions.copilot-requests: write`