Convert submodule to regular directory

recipe-document-converter/CONTROLLER_EXAMPLE.ts

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+/**
+ * RECIPE CONTROLLER INTEGRATION EXAMPLE
+ * 
+ * This shows how to add import endpoints to your existing recipe controller.
+ * Add these methods to backend/src/modules/recipes/recipes.controller.ts
+ */
+
+import { Controller, Post, UseInterceptors, UploadedFile, Get } from '@nestjs/common';
+import { FileInterceptor } from '@nestjs/platform-express';
+import { ImportService } from '../import/import.service';
+import { RecipesService } from './recipes.service';
+
+@Controller('recipes')
+export class RecipesController {
+  constructor(
+    private recipesService: RecipesService,
+    private importService: ImportService, // Add this
+  ) {}
+
+  // ... existing endpoints ...
+
+  /**
+   * Import a recipe from PDF without saving
+   * Useful for preview before saving
+   * 
+   * POST /recipes/import/pdf
+   * Content-Type: multipart/form-data
+   * Body: { file: <PDF-file> }
+   */
+  @Post('import/pdf')
+  @UseInterceptors(FileInterceptor('file'))
+  async importRecipeFromPDF(@UploadedFile() file: Express.Multer.File) {
+    return this.importService.importRecipeFromPDF(file);
+  }
+
+  /**
+   * Import a recipe from PDF and save it to database
+   * 
+   * POST /recipes/import/pdf/save
+   * Content-Type: multipart/form-data
+   * Body: { file: <PDF-file> }
+   */
+  @Post('import/pdf/save')
+  @UseInterceptors(FileInterceptor('file'))
+  async importAndSaveRecipe(@UploadedFile() file: Express.Multer.File) {
+    const imported = await this.importService.importRecipeFromPDF(file);
+    return this.importService.saveImportedRecipe(imported.data);
+  }
+
+  /**
+   * Check if import service is available
+   * Useful for health monitoring
+   * 
+   * GET /recipes/import/health
+   */
+  @Get('import/health')
+  async importServiceHealth() {
+    return this.importService.checkImportServiceHealth();
+  }
+}