automaker/apps/server/src/routes/auto-mode/routes/follow-up-feature.ts

/**
 * POST /follow-up-feature endpoint - Follow up on a feature
 */

import type { Request, Response } from "express";
import type { AutoModeService } from "../../../services/auto-mode-service.js";
import { createLogger } from "../../../lib/logger.js";
import { getErrorMessage, logError } from "../common.js";

const logger = createLogger("AutoMode");

export function createFollowUpFeatureHandler(autoModeService: AutoModeService) {
  return async (req: Request, res: Response): Promise<void> => {
    try {
      const { projectPath, featureId, prompt, imagePaths, useWorktrees } =
        req.body as {
          projectPath: string;
          featureId: string;
          prompt: string;
          imagePaths?: string[];
          useWorktrees?: boolean;
        };

      if (!projectPath || !featureId || !prompt) {
        res.status(400).json({
          success: false,
          error: "projectPath, featureId, and prompt are required",
        });
        return;
      }

      // Start follow-up in background
      // followUpFeature derives workDir from feature.branchName
      autoModeService
        .followUpFeature(
          projectPath,
          featureId,
          prompt,
          imagePaths,
          useWorktrees ?? true
        )
        .catch((error) => {
          logger.error(
            `[AutoMode] Follow up feature ${featureId} error:`,
            error
          );
        })
        .finally(() => {
          // Release the starting slot when follow-up completes (success or error)
          // Note: The feature should be in runningFeatures by this point
        });

      res.json({ success: true });
    } catch (error) {
      logError(error, "Follow up feature failed");
      res.status(500).json({ success: false, error: getErrorMessage(error) });
    }
  };
}