fixed handlers

src/controllers/chatController.ts

@@ -20,7 +20,7 @@ export class ChatController {
       const { id: agentId } = req.params;
       const { message, conversationId, metadata } = req.body;
       const userId = (req as any).user?.id;
-      // Extract files from multer
+      // Extract files from multer - support both 'file' (singular) and 'files' (plural)
       interface MulterFile {
         fieldname: string;
         originalname: string;
@@ -29,9 +29,12 @@ export class ChatController {
         size: number;
         buffer: Buffer;
       }
-      const files = Array.isArray((req as any).files) 
-        ? (req as any).files as Array<MulterFile>
-        : undefined;
+      const multerFiles = (req as any).files;
+      const files = Array.isArray(multerFiles) 
+        ? multerFiles as Array<MulterFile>
+        : multerFiles 
+          ? [multerFiles as MulterFile]
+          : undefined;
 
       // Message is optional if files are provided
       if (!message && (!files || files.length === 0)) {

src/routes/chatRoutes.ts

@@ -162,7 +162,12 @@ const upload = multer({
 router.post(
   '/:id/message',
   optionalAuth,
-  upload.array('files', parseInt(process.env.MAX_FILES_PER_MESSAGE || '10')),
+  (req, res, next) => {
+    upload.any()(req, res, (err) => {
+      if (err) return next(err);
+      next();
+    });
+  },
   chatController.sendMessage.bind(chatController)
 );
 

src/services/chatProtocol.ts

@@ -125,68 +125,97 @@ export class ChatProtocolService {
       // Determine if we need to send as multipart/form-data or JSON
       const hasFiles = uploadedFiles.length > 0;
       
+      // Detect file-only requests (single file, no message, endpoint suggests file-only)
+      const isFileOnly = hasFiles && 
+                        uploadedFiles.length === 1 && 
+                        (!request.message || request.message.trim() === '') &&
+                        (agent.endpoint?.toLowerCase().includes('/remove-background') ||
+                         agent.endpoint?.toLowerCase().includes('/transcribe') ||
+                         agent.endpoint?.toLowerCase().includes('/edit'));
+      
       let response;
       
       if (hasFiles) {
         // Send as multipart/form-data with files
         const formData = new FormData();
         
-        // Add message
-        if (request.message) {
-          formData.append('message', request.message);
-        }
-        
-        formData.append('conversationId', conversationId);
-        formData.append('metadata', JSON.stringify(metadata));
-        
-        if (agent.promptTemplate) {
-          formData.append('systemPrompt', agent.promptTemplate);
-        }
-
-        // Send actual files directly to agent endpoint (no IPFS upload)
-        // Use smart field naming based on file type and count
-        if (request.files && request.files.length > 0) {
-          const audioFiles = request.files.filter(f => f.mimetype.startsWith('audio/'));
+        // For file-only requests, only send the file (no message, conversationId, metadata, systemPrompt)
+        if (isFileOnly) {
+          const file = request.files![0];
+          const audioFiles = request.files!.filter(f => f.mimetype.startsWith('audio/'));
           
           // If single audio file, use 'audio_file' (common for transcription agents)
-          if (audioFiles.length === 1 && request.files.length === 1) {
-            const audioFile = request.files.find(f => f.mimetype.startsWith('audio/'));
-            if (audioFile) {
-              formData.append('audio_file', audioFile.buffer, {
-                filename: audioFile.originalname,
-                contentType: audioFile.mimetype,
-              });
-            }
-          }
-          // If single file of any type, use 'file'
-          else if (request.files.length === 1) {
-            const file = request.files[0];
+          if (audioFiles.length === 1) {
+            formData.append('audio_file', file.buffer, {
+              filename: file.originalname,
+              contentType: file.mimetype,
+            });
+          } else {
+            // For other single files, use 'file'
             formData.append('file', file.buffer, {
               filename: file.originalname,
               contentType: file.mimetype,
             });
           }
-          // Multiple files - use 'files' array or indexed fields
-          else {
-            request.files.forEach((file, index) => {
-              // Try common field names first
-              if (file.mimetype.startsWith('audio/')) {
-                formData.append(`audio_file${index > 0 ? `_${index}` : ''}`, file.buffer, {
-                  filename: file.originalname,
-                  contentType: file.mimetype,
-                });
-              } else if (file.mimetype.startsWith('image/')) {
-                formData.append(`image_file${index > 0 ? `_${index}` : ''}`, file.buffer, {
-                  filename: file.originalname,
-                  contentType: file.mimetype,
-                });
-              } else {
-                formData.append(`file${index > 0 ? `_${index}` : ''}`, file.buffer, {
-                  filename: file.originalname,
-                  contentType: file.mimetype,
+        } else {
+          // Regular requests with files - include message, conversationId, metadata
+          // Add message
+          if (request.message) {
+            formData.append('message', request.message);
+          }
+          
+          formData.append('conversationId', conversationId);
+          formData.append('metadata', JSON.stringify(metadata));
+          
+          if (agent.promptTemplate) {
+            formData.append('systemPrompt', agent.promptTemplate);
+          }
+
+          // Send actual files directly to agent endpoint (no IPFS upload)
+          // Use smart field naming based on file type and count
+          if (request.files && request.files.length > 0) {
+            const audioFiles = request.files.filter(f => f.mimetype.startsWith('audio/'));
+            
+            // If single audio file, use 'audio_file' (common for transcription agents)
+            if (audioFiles.length === 1 && request.files.length === 1) {
+              const audioFile = request.files.find(f => f.mimetype.startsWith('audio/'));
+              if (audioFile) {
+                formData.append('audio_file', audioFile.buffer, {
+                  filename: audioFile.originalname,
+                  contentType: audioFile.mimetype,
                 });
               }
-            });
+            }
+            // If single file of any type, use 'file'
+            else if (request.files.length === 1) {
+              const file = request.files[0];
+              formData.append('file', file.buffer, {
+                filename: file.originalname,
+                contentType: file.mimetype,
+              });
+            }
+            // Multiple files - use 'files' array or indexed fields
+            else {
+              request.files.forEach((file, index) => {
+                // Try common field names first
+                if (file.mimetype.startsWith('audio/')) {
+                  formData.append(`audio_file${index > 0 ? `_${index}` : ''}`, file.buffer, {
+                    filename: file.originalname,
+                    contentType: file.mimetype,
+                  });
+                } else if (file.mimetype.startsWith('image/')) {
+                  formData.append(`image_file${index > 0 ? `_${index}` : ''}`, file.buffer, {
+                    filename: file.originalname,
+                    contentType: file.mimetype,
+                  });
+                } else {
+                  formData.append(`file${index > 0 ? `_${index}` : ''}`, file.buffer, {
+                    filename: file.originalname,
+                    contentType: file.mimetype,
+                  });
+                }
+              });
+            }
           }
         }
 

zurri-mock-frontend

@@ -1 +0,0 @@
-Subproject commit 05aab1df678d680e947fa3e24b05c8fd35266c7b

zurriwebsite

@@ -1 +0,0 @@
-Subproject commit 4013f080c954f64ecc95a16ae6477460eb8b0762