Function loadMissingToolMessages

actions/setup/js/handle_agent_failure.cjs:1269–1302

* Load missing_tool messages from agent output. * Returns an empty array when the output file doesn't exist, cannot be parsed, or has no missing_tool items. * @param {Array } [items] - Optional pre-loaded agent output items. When provided, avoids re-reading the output file. * @returns {Array<

(items)

 * @returns {Array<{tool: string|null, reason: string, alternatives?: string|null, denied_commands: Array<string>}>} Array of missing tool messages
 */
function loadMissingToolMessages(items) {
  try {
    let resolvedItems = items;
    if (!resolvedItems) {
      const { loadAgentOutput } = require("./load_agent_output.cjs");
      const agentOutputResult = loadAgentOutput();
      if (!agentOutputResult.success || !agentOutputResult.items) {
        return [];
      }
      resolvedItems = agentOutputResult.items;
    }

    const missingToolMessages = [];
    for (const item of resolvedItems) {
      if (item.type === "missing_tool") {
        if (item.reason) {
          const deniedCommandsFromItem = Array.isArray(item.denied_commands) ? item.denied_commands.filter(cmd => typeof cmd === "string" && cmd.trim()) : [];
          const deniedCommands = deniedCommandsFromItem.length > 0 ? deniedCommandsFromItem : extractDeniedCommandsFromAlternatives(item.alternatives);
          missingToolMessages.push({
            tool: item.tool || null,
            reason: item.reason,
            alternatives: item.alternatives || null,
            denied_commands: deniedCommands,
          });
        }
      }
    }

    return missingToolMessages;
  } catch (error) {
    core.warning(`Failed to load missing_tool messages: ${getErrorMessage(error)}`);
    return [];
  }
}

/**
 * Determine whether a missing_tool message represents permission denial.