fix: save uploaded files to recipe-images/ subdir and inject source URL

src/Roux/Server.hs

@@ -384,14 +384,15 @@ runFileImport recipeDir config originalName _mimeType b64Text = do
                     Html.ImportError $
                         "Could not decode uploaded file: " <> T.pack err
         Right content -> do
-            -- Ensure recipe dir exists
-            createDirectoryIfMissing True recipeDir
-            -- Save the original file
-            let sourceFilename = map (\c -> if isAlphaNum c || c == '.' || c == '-' || c == '_' then c else '_') (T.unpack originalName)
-                sourcePath = recipeDir </> sourceFilename
+            -- Save the original file to recipe-images/ subdirectory
+            let imagesDir = recipeDir </> "recipe-images"
+                safeName = map (\c -> if isAlphaNum c || c == '.' || c == '-' || c == '_' then c else '_') (T.unpack originalName)
+                sourcePath = imagesDir </> safeName
+                sourceUrl = "/recipe-images/" <> T.pack safeName
+            createDirectoryIfMissing True imagesDir
             BS.writeFile sourcePath content
             putStrLn $ "[roux] saved uploaded file to " <> sourcePath
-            -- Call the LLM pipeline with the saved file
+            -- Call the LLM pipeline with the source URL
             case rcAnthropic config of
                 Nothing ->
                     pure $
@@ -399,7 +400,7 @@ runFileImport recipeDir config originalName _mimeType b64Text = do
                             Html.ImportError $
                                 "LLM import is not configured. Add an anthropic.api_key to the config file."
                 Just anthropicConfig -> do
-                    result <- runLLMPipeline recipeDir anthropicConfig (Just sourcePath) ""
+                    result <- runLLMPipeline recipeDir anthropicConfig (Just sourceUrl) (Just sourcePath) ""
                     case result of
                         Right filename -> pure $ Right filename
                         Left err -> pure $ Left err
@@ -418,7 +419,7 @@ runTextImport recipeDir config text = do
                     Html.ImportError $
                         "LLM import is not configured. Add an anthropic.api_key to the config file."
         Just anthropicConfig ->
-            runLLMPipeline recipeDir anthropicConfig Nothing text
+            runLLMPipeline recipeDir anthropicConfig Nothing Nothing text
 
 -- | Run the full LLM import pipeline: call convert-to-cooklang -> parse -> save.
 runLLMPipeline ::
@@ -426,19 +427,21 @@ runLLMPipeline ::
     FilePath ->
     -- | API config
     AnthropicConfig ->
-    -- | Just path = uploaded source file to keep
+    -- | Just url = source URL to inject into Cooklang front matter
+    Maybe Text ->
+    -- | Just path = file path for the script (file upload) / Nothing = use text
     Maybe FilePath ->
-    -- | recipe text (or empty if file)
+    -- | recipe text (used when no file path)
     Text ->
     IO (Either Html.ImportError FilePath)
-runLLMPipeline recipeDir anthropicConfig mSourceFile text = do
+runLLMPipeline recipeDir anthropicConfig mSourceUrl mFilePath text = do
     -- Step 1: locate the script
     script <- findConvertScript
     -- Step 2: write a temp config for the subprocess
     let configPath = recipeDir </> ".convert-config.yaml"
     writeConvertConfig configPath anthropicConfig
     -- Step 3: build subprocess args
-    let args = case mSourceFile of
+    let args = case mFilePath of
             Just fp -> ["--config", configPath, "--file", fp]
             Nothing -> ["--config", configPath, "--text", T.unpack text]
     putStrLn $ "[roux] running " <> script <> " for LLM import"
@@ -456,7 +459,10 @@ runLLMPipeline recipeDir anthropicConfig mSourceFile text = do
                         "Could not convert recipe: " <> errMsg
         ExitSuccess -> do
             -- Step 4: parse the Cooklang output to extract the title
-            let cooklangText = TE.decodeUtf8 (LB.toStrict stdoutBytes)
+            let rawCooklang = TE.decodeUtf8 (LB.toStrict stdoutBytes)
+                cooklangText = case mSourceUrl of
+                    Just url -> injectSourceUrl rawCooklang url
+                    Nothing -> rawCooklang
             case parseRecipeTitle cooklangText of
                 Nothing -> do
                     putStrLn "[roux] could not extract title from Cooklang output"
@@ -469,7 +475,7 @@ runLLMPipeline recipeDir anthropicConfig mSourceFile text = do
                         filepath = recipeDir </> filename
                     -- Step 5: write the .cook file
                     putStrLn $ "[roux] writing imported recipe to " <> filepath
-                    LB.writeFile filepath stdoutBytes
+                    BS.writeFile filepath (TE.encodeUtf8 cooklangText)
                     putStrLn $ "[roux] successfully imported recipe as " <> filename
                     return $ Right filename
 
@@ -500,6 +506,29 @@ writeConvertConfig path ac = do
                     Nothing -> []
     writeFile path (unlines pairs)
 
+{- | Insert or update the 'source:' field in Cooklang YAML front matter.
+If a source field already exists, its value is replaced. Otherwise a new
+source line is added before the closing '---'.
+-}
+injectSourceUrl :: Text -> Text -> Text
+injectSourceUrl cooklang url =
+    case T.breakOn "---" cooklang of
+        (before, rest) ->
+            let afterFirst = T.drop 3 rest
+                (frontMatter, afterSecond) = T.breakOn "---" afterFirst
+                updated =
+                    let (beforeSource, afterSource) = T.breakOn "source:" frontMatter
+                     in if T.null afterSource
+                            -- No existing source field: append one
+                            then
+                                let trimmed = T.stripEnd frontMatter
+                                 in trimmed <> "\nsource: " <> url <> "\n"
+                            -- Existing source field: replace its value
+                            else
+                                let restOfLine = T.drop 1 (T.dropWhile (/= '\n') afterSource)
+                                 in beforeSource <> "source: " <> url <> restOfLine
+             in before <> "---" <> updated <> "---" <> afterSecond
+
 {- | Parse the recipe title from Cooklang front matter.
 Looks for "title: ..." in the YAML front matter block.
 -}