feat(cli): add agent and agent invoke the tool call

Author: CocDap

packages/cli/README.md

@@ -52,7 +52,7 @@ pak agent chat my-agent
 ### 4. Execute Commands
 
 ```bash
-pak agent run my-agent "check my balance"
+pak agent run check-balance -a <your agent name> 
 ```
 
 ## Commands

packages/cli/package.json

@@ -57,7 +57,10 @@
     "table": "^6.8.1",
     "boxen": "^7.1.1",
     "conf": "^11.0.2",
-    "readline": "^1.3.0"
+    "readline": "^1.3.0",
+    "@langchain/core": "^0.3.40",
+    "@langchain/ollama": "^0.2.2",
+    "langchain": "^0.1.21"
   },
   "devDependencies": {
     "@babel/plugin-syntax-import-attributes": "^7.26.9",

packages/cli/src/commands/agent/chat.ts

@@ -7,10 +7,12 @@ import { configManager } from '../../core/config/manager.js';
 import { logger } from '../../utils/logger.js';
 import { AgentChatOptions, CLIError } from '../../types/commands.js';
 import { AgentMetadata, ChatMessage } from '../../types/agent.js';
+import { PolkadotCLIAgent } from '../../core/agent/polkadotAgent.js';
 
 export const chatCommand = new Command('chat')
   .description('Start an interactive chat session with an AI agent')
   .argument('<name>', 'Agent name')
+  .option('-i, --interactive', 'Interactive mode', true)
   .option('--history', 'Show chat history', false)
   .option('--save', 'Save chat history', true)
   .option('--timeout <timeout>', 'Request timeout in seconds', '30')
@@ -150,7 +152,6 @@ async function runInteractiveChat(agent: AgentMetadata, options: AgentChatOption
     try {
       // Show typing indicator
       const typingInterval = showTypingIndicator();
-
       // Send message to agent
       const response = await sendMessageToAgent(agent, message, options);
 
@@ -241,20 +242,19 @@ function showTypingIndicator(): NodeJS.Timeout {
 }
 
 async function sendMessageToAgent(agent: AgentMetadata, message: string, options: AgentChatOptions): Promise<string> {
-  // This is a placeholder implementation
-  // In a real implementation, this would integrate with the actual LLM providers
-  
-  // Simulate API call delay
-  await new Promise(resolve => setTimeout(resolve, 1000 + Math.random() * 2000));
-  
-  // Mock response based on agent configuration
-  const responses = [
-    `I understand you want to ${message.toLowerCase()}. As a ${agent.provider} agent with ${agent.tools.join(', ')} tools, I can help you with Polkadot operations.`,
-    `Let me process your request: "${message}". I have access to ${agent.tools.length} tools to assist you.`,
-    `Based on your message about "${message}", I can help you with various Polkadot operations using my available tools.`,
-  ];
-  
-  return responses[Math.floor(Math.random() * responses.length)] || 'I\'m sorry, I don\'t have the information to answer that question.';
+  try {
+    logger.info("Go to here again in send message to agent ");
+    // Initialize the Polkadot CLI Agent
+    const cliAgent = new PolkadotCLIAgent(agent);
+    await cliAgent.initialize();
+    // Send the message to the agent
+    const response = await cliAgent.ask(message);
+    
+    return response;
+  } catch (error) {
+    logger.error(`Agent communication failed: ${error instanceof Error ? error.message : String(error)}`);
+    return `I encountered an error processing your request: ${error instanceof Error ? error.message : String(error)}. Please try again or check your configuration.`;
+  }
 }
 
 async function saveChatMessage(agentName: string, role: 'user' | 'assistant', content: string): Promise<void> {

packages/cli/src/commands/agent/create.ts

@@ -9,7 +9,7 @@ import { AgentCreateOptions, CLIError } from '../../types/commands.js';
 import {
   AVAILABLE_TOOLS,
   TOOL_DESCRIPTIONS,
-  DEFAULT_SYSTEM_PROMPTS,
+  DEFAULT_SYSTEM_PROMPT,
   AgentMetadata,
   PolkadotAgentConfig
 } from '../../types/agent.js';
@@ -59,7 +59,6 @@ async function createAgent(name: string, options: AgentCreateOptions): Promise<v
   logger.success(chalk.green(`✅ Agent "${name}" created successfully!`));
   logger.info(chalk.cyan('\nNext steps:'));
   logger.info(chalk.white(`  pak agent chat ${name}`));
-  logger.info(chalk.white(`  pak agent run ${name} "check my balance"`));
 }
 
 function isValidAgentName(name: string): boolean {
@@ -89,7 +88,7 @@ async function getAgentConfig(name: string, options: AgentCreateOptions) {
 
 function getDefaultModel(provider: string): string {
   const config = configManager.getConfig();
-  
+  logger.debug("Go to getDefaultModel");
   if (provider === 'ollama') {
     return config.llm.ollama?.defaultModel || 'llama2';
   } else if (provider === 'openai') {
@@ -198,6 +197,7 @@ async function interactiveAgentSetup(name: string, options: AgentCreateOptions)
 
   // Get available models for the selected provider
   const availableModels = await getAvailableModels(provider);
+  logger.debug("Available Models:", availableModels);
 
   const modelQuestions = [
     {
@@ -222,41 +222,20 @@ async function interactiveAgentSetup(name: string, options: AgentCreateOptions)
         }
         return true;
       }
-    },
-    {
-      type: 'list',
-      name: 'systemPromptType',
-      message: 'Choose system prompt template:',
-      choices: [
-        { name: 'General - All-purpose Polkadot assistant', value: 'general' },
-        { name: 'Trading - DeFi and trading focused', value: 'trading' },
-        { name: 'Staking - Staking and governance focused', value: 'staking' },
-        { name: 'Custom - I\'ll provide my own', value: 'custom' },
-      ],
-      default: 'general'
     }
   ];
 
   const answers = await inquirer.prompt(modelQuestions);
 
-  let systemPrompt = DEFAULT_SYSTEM_PROMPTS[answers.systemPromptType as keyof typeof DEFAULT_SYSTEM_PROMPTS];
+  let systemPrompt = DEFAULT_SYSTEM_PROMPT
 
-  if (answers.systemPromptType === 'custom') {
-    const customPrompt = await inquirer.prompt([{
-      type: 'editor',
-      name: 'systemPrompt',
-      message: 'Enter your custom system prompt:',
-      default: DEFAULT_SYSTEM_PROMPTS.general
-    }]);
-    systemPrompt = customPrompt.systemPrompt;
-  }
 
   const finalQuestions = [
     {
       type: 'input',
       name: 'description',
       message: 'Agent description:',
-      default: options.description || `${answers.systemPromptType} AI agent for Polkadot operations`
+      default: options.description || `AI agent for Polkadot operations`
     },
     {
       type: 'number',