feat: add chat name update functionality and improve AI response handling

backend/src/ai-core/tools/query-validators.ts

@@ -107,5 +107,11 @@ export function cleanAIJsonResponse(response: string): string {
 	if (cleanedResponse.endsWith('```')) {
 		cleanedResponse = cleanedResponse.slice(0, -3);
 	}
+	cleanedResponse = cleanedResponse.trim();
+
+	cleanedResponse = cleanedResponse.replace(/^\s*\/\/.*$/gm, '');
+	cleanedResponse = cleanedResponse.replace(/\/\*[\s\S]*?\*\//g, '');
+	cleanedResponse = cleanedResponse.replace(/,(\s*[}\]])/g, '$1');
+
 	return cleanedResponse.trim();
 }

backend/src/entities/ai/ai-conversation-history/user-ai-chat/repository/user-ai-chat-repository.extension.ts

@@ -32,4 +32,12 @@ export const userAiChatRepositoryExtension: IUserAiChatRepository = {
 		});
 		return await this.save(newChat);
 	},
+
+	async updateChatName(chatId: string, name: string): Promise<void> {
+		await this.createQueryBuilder()
+			.update(UserAiChatEntity)
+			.set({ name })
+			.where('id = :chatId', { chatId })
+			.execute();
+	},
 };

backend/src/entities/ai/ai-conversation-history/user-ai-chat/repository/user-ai-chat-repository.interface.ts

@@ -5,4 +5,5 @@ export interface IUserAiChatRepository {
 	findChatByIdAndUserId(chatId: string, userId: string): Promise<UserAiChatEntity | null>;
 	findChatWithMessagesByIdAndUserId(chatId: string, userId: string): Promise<UserAiChatEntity | null>;
 	createChatForUser(userId: string, name?: string): Promise<UserAiChatEntity>;
+	updateChatName(chatId: string, name: string): Promise<void>;
 }

backend/src/entities/ai/ai.service.ts

@@ -276,7 +276,10 @@ Respond ONLY with valid JSON in this exact format (no markdown, no explanations)
   ]
 }
 
-IMPORTANT: For each widget, include appropriate widget_params based on the column name, type, and semantics. Use empty {} for widgets that don't need special configuration.`;
+IMPORTANT: 
+- For each widget, include appropriate widget_params based on the column name, type, and semantics. Use empty {} for widgets that don't need special configuration.
+- Output ONLY valid JSON. Do NOT include any comments (no // or /* */ comments) in the JSON output.
+- All widget_params must be valid JSON objects without any comments or explanatory text.`;
 	}
 
 	private parseAIResponse(aiResponse: string, tablesInformation: Array<TableInformation>): AIResponse {

backend/src/entities/ai/use-cases/request-info-from-table-with-ai-v7.use.case.ts

@@ -67,6 +67,7 @@ export class RequestInfoFromTableWithAIUseCaseV7
 
 		let chatIdForHeader: string | null = null;
 		let foundUserAiChat: UserAiChatEntity | null = null;
+		let isNewChat = false;
 
 		if (ai_thread_id) {
 			foundUserAiChat = await this._dbContext.userAiChatRepository.findChatByIdAndUserId(ai_thread_id, user_id);
@@ -78,6 +79,7 @@ export class RequestInfoFromTableWithAIUseCaseV7
 		if (!foundUserAiChat) {
 			foundUserAiChat = await this._dbContext.userAiChatRepository.createChatForUser(user_id);
 			chatIdForHeader = foundUserAiChat.id;
+			isNewChat = true;
 		}
 
 		if (chatIdForHeader) {
@@ -86,6 +88,12 @@ export class RequestInfoFromTableWithAIUseCaseV7
 
 		await this._dbContext.aiChatMessageRepository.saveMessage(foundUserAiChat.id, user_message, MessageRole.user);
 
+		if (isNewChat) {
+			this.generateAndUpdateChatName(foundUserAiChat.id, user_message).catch((error) => {
+				Sentry.captureException(error);
+			});
+		}
+
 		const messages = new MessageBuilder().system(systemPrompt).human(user_message).build();
 
 		try {
@@ -338,4 +346,32 @@ export class RequestInfoFromTableWithAIUseCaseV7
 
 		return { foundConnection, dataAccessObject, databaseType, isMongoDb, userEmail };
 	}
+
+	private async generateAndUpdateChatName(chatId: string, userMessage: string): Promise<void> {
+		try {
+			const CHAT_NAME_GENERATION_PROMPT = `Generate a very short, concise title (max 5-6 words) for a chat conversation based on the user's first question. 
+The title should capture the main topic or intent. 
+Respond ONLY with the title, no quotes, no explanation.
+User question: `;
+			const prompt = CHAT_NAME_GENERATION_PROMPT + userMessage;
+			const messages = new MessageBuilder().human(prompt).build();
+
+			let generatedName = '';
+			const stream = await this.aiCoreService.streamChatWithToolsAndProvider(this.aiProvider, messages, []);
+
+			for await (const chunk of stream) {
+				if (chunk.type === 'text' && chunk.content) {
+					generatedName += chunk.content;
+				}
+			}
+
+			generatedName = generatedName.trim().slice(0, 100);
+
+			if (generatedName) {
+				await this._dbContext.userAiChatRepository.updateChatName(chatId, generatedName);
+			}
+		} catch (error) {
+			Sentry.captureException(error);
+		}
+	}
 }