feat: save raw scraper JSON alongside .cook file on import

When importing a recipe, the raw JSON output from scrape-recipe is now
saved as <recipe-name>.json in the recipe directory alongside the .cook
file. This lets users inspect the intermediate schema.org representation
to debug step breakdown or ingredient parsing issues.

src/Roux/Server.hs

@@ -39,7 +39,7 @@ import System.FSNotify (
     watchDir,
     withManagerConf,
  )
-import System.FilePath (makeRelative, (</>))
+import System.FilePath (makeRelative, takeBaseName, (</>))
 
 import qualified Data.Aeson as A
 import qualified Data.ByteString as BS
@@ -324,7 +324,13 @@ runImportPipeline recipeDir url = do
                             let cookText = CooklangPrint.renderRecipe recipe
                                 filename = CooklangPrint.filenameFromTitle (soName schema)
                                 filepath = recipeDir </> filename
-                            -- Step 4: write the .cook file
+                                -- Save raw JSON alongside the .cook for debugging
+                                jsonFilename = takeBaseName filename <> ".json"
+                                jsonFilepath = recipeDir </> jsonFilename
+                            -- Step 4: write raw JSON from scraper
+                            putStrLn $ "[roux] writing raw scraper JSON to " <> jsonFilepath
+                            LB.writeFile jsonFilepath stdoutBytes
+                            -- Step 5: write the .cook file
                             putStrLn $ "[roux] writing imported recipe to " <> filepath
                             BS.writeFile filepath (TE.encodeUtf8 cookText)
                             putStrLn $ "[roux] successfully imported " <> T.unpack url <> " as " <> filename