feat: Endpoints para subir documentos IA e historial de chat

package.json

@@ -19,6 +19,8 @@
     "@nestjs/core": "^10.0.0",
     "@nestjs/platform-express": "^10.0.0",
     "@nestjs/swagger": "^7.4.2",
+    "@types/express": "^5.0.6",
+    "@types/multer": "^2.1.0",
     "axios": "^1.13.6",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.14.1",

src/ai/ai.controller.ts

@@ -1,4 +1,5 @@
-import { Body, Controller, Get, Post } from '@nestjs/common';
+import { Body, Controller, Get, Post, UseInterceptors, UploadedFiles } from '@nestjs/common';
+import { FilesInterceptor } from '@nestjs/platform-express';
 import { AiService } from './ai.service';
 import {
   AgentRunDto,
@@ -91,6 +92,15 @@ export class AiController {
     return this.aiService.continueConversation(dto);
   }
 
+  @Post('documents/upload')
+  @UseInterceptors(FilesInterceptor('files'))
+  uploadProjectDocuments(
+    @UploadedFiles() files: Array<Express.Multer.File>,
+    @Body('projectId') projectId: string,
+  ) {
+    return this.aiService.processUploadedDocuments(files, projectId);
+  }
+
   @Post('agent/run')
   runFoundryAgent(@Body() dto: AgentRunDto) {
     return this.aiService.runFoundryAgent(dto);

src/ai/ai.service.ts

@@ -115,10 +115,27 @@ export class AiService {
     };
   }
 
+  async processUploadedDocuments(files: Array<Express.Multer.File>, projectId: string) {
+    if (!files || files.length === 0) {
+      return { success: false, message: 'No se recibieron archivos' };
+    }
+
+    // Aquí iría el código real para extraer el texto y crear los Embeddings en VectorDB (Qdrant, Pinecone, etc)
+    const fileNames = files.map(f => f.originalname);
+    console.log(`Procesando documentos para el proyecto ${projectId}:`, fileNames);
+
+    return {
+      success: true,
+      message: `Se procesaron exitosamente ${files.length} documento(s)`,
+      files: fileNames,
+      projectId
+    };
+  }
+
   async continueConversation(dto: ConversationDto) {
-    const rawMessages = dto.message
-      ? [{ role: 'user' as const, content: dto.message }]
-      : (dto.messages ?? []);
+    const rawMessages = dto.messages && dto.messages.length > 0
+      ? dto.messages
+      : (dto.message ? [{ role: 'user' as const, content: dto.message }] : []);
 
     const messages: MistralChatMessage[] = rawMessages.map((message) => ({
       role: message.role,