From 2f27fce99bd73e1f6d420498bf789027f6b2d4ed Mon Sep 17 00:00:00 2001
From: Gustavo Alves Silva <gustavoalves003.dev@gmail.com>
Date: Sun, 15 Mar 2026 20:23:29 -0300
Subject: [PATCH] chore(agent): inicia trabalho backend para KAN-16

---
 .../use-cases/agent/run-agent.use-case.ts     | 163 +-----------------
 src/domain/entities/message.ts                |  19 +-
 2 files changed, 13 insertions(+), 169 deletions(-)

diff --git a/src/application/use-cases/agent/run-agent.use-case.ts b/src/application/use-cases/agent/run-agent.use-case.ts
index f8d8c07..86927f9 100644
--- a/src/application/use-cases/agent/run-agent.use-case.ts
+++ b/src/application/use-cases/agent/run-agent.use-case.ts
@@ -1,154 +1,9 @@
-import type { OpenRouter } from '@openrouter/sdk'
-import type { Message, OnMessageCallback } from '../../../domain/entities/message.js'
-import type { ToolRegistry } from './tool.registry.js'
-import { getSystemPrompt } from '../../../agent/prompt.js'
-
-export class RunAgentUseCase {
-  constructor(
-    private readonly openrouter: OpenRouter,
-    private readonly toolRegistry: ToolRegistry,
-    private readonly model: string,
-  ) {}
-
-  async execute(userMessage: string, history: Message[], onMessage: OnMessageCallback) {
-    const messages: any[] = [
-      { role: 'system', content: getSystemPrompt() },
-      ...history.map((m) => {
-        if (m.role === 'tool') {
-          return {
-            role: 'tool',
-            tool_call_id: m.tool_call_id || '',
-            content: m.content || '',
-          }
-        }
-        return m
-      }),
-      { role: 'user', content: userMessage },
-    ]
-
-    while (true) {
-      let responseContent = ''
-      const tool_calls: any[] = []
-      let reasoningTokensInfo = ''
-
-      try {
-        console.log('\n[DEBUG] Sending request to OpenRouter:')
-        console.log('- Model:', this.model)
-        console.log('- Messages count:', messages.length)
-        console.log('- Tools count:', this.toolRegistry.getDefinitions().length)
-
-        const stream = await this.openrouter.chat.send({
-          httpReferer: 'https://github.com/gusflopes/agent-cli',
-          xTitle: 'Agent CLI',
-          chatGenerationParams: {
-            model: this.model,
-            messages: messages,
-            tools: this.toolRegistry.getDefinitions(),
-            stream: true,
-          },
-        })
-
-        let chunkCount = 0
-        for await (const chunk of stream) {
-          chunkCount++
-          console.log(`[DEBUG] Chunk ${chunkCount}:`, JSON.stringify(chunk, null, 2))
-
-          const delta = chunk.choices?.[0]?.delta
-
-          if (delta?.content) {
-            responseContent += delta.content
-          }
-
-          if (delta?.toolCalls) {
-            for (const tc of delta.toolCalls) {
-              const index = tc.index
-              if (index === undefined) continue
-              if (!tool_calls[index]) {
-                tool_calls[index] = {
-                  id: tc.id,
-                  type: 'function',
-                  function: { name: tc.function?.name || '', arguments: '' },
-                }
-              }
-              if (tc.function?.arguments) {
-                tool_calls[index].function.arguments += tc.function.arguments
-              }
-            }
-          }
-
-          if ((chunk.usage as any)?.reasoningTokens) {
-            reasoningTokensInfo = `\n[Reasoning tokens: ${(chunk.usage as any).reasoningTokens}]`
-          }
-        }
-
-        console.log('[DEBUG] Stream ended. Total chunks:', chunkCount)
-        console.log('[DEBUG] Response content:', responseContent)
-        console.log('[DEBUG] Tool calls:', tool_calls)
-      } catch (error: any) {
-        throw new Error(
-          `OpenRouter Error: ${error.message}\nDetails: ${JSON.stringify(error, null, 2)}`,
-        )
-      }
-
-      if (reasoningTokensInfo) {
-        responseContent += reasoningTokensInfo
-      }
-
-      const assistantMessage: any = {
-        role: 'assistant',
-        content: responseContent || '',
-        ...(tool_calls.length > 0 && { tool_calls: tool_calls.filter(Boolean) }),
-      }
-
-      messages.push(assistantMessage)
-      onMessage({
-        role: assistantMessage.role as 'assistant',
-        content: assistantMessage.content || '',
-        tool_calls: assistantMessage.tool_calls as Message['tool_calls'],
-      })
-
-      if (!assistantMessage.tool_calls || assistantMessage.tool_calls.length === 0) {
-        return { messages, finalResponse: assistantMessage.content || '' }
-      }
-
-      for (const toolCall of assistantMessage.tool_calls) {
-        const name = toolCall.function.name
-        let args = {}
-        try {
-          args = JSON.parse(toolCall.function.arguments)
-        } catch (e) {}
-
-        try {
-          const tool = this.toolRegistry.get(name)
-          const result = await tool.execute(args)
-
-          const toolMessage: any = {
-            role: 'tool',
-            tool_call_id: toolCall.id,
-            content: JSON.stringify(result),
-          }
-          messages.push(toolMessage)
-          onMessage({
-            role: 'tool',
-            tool_call_id: toolCall.id,
-            name: name,
-            content: toolMessage.content as string,
-          })
-        } catch (error: any) {
-          const toolMessage: any = {
-            role: 'tool',
-            tool_call_id: toolCall.id,
-            content: JSON.stringify({ error: error.message }),
-          }
-          messages.push(toolMessage)
-          onMessage({
-            role: 'tool',
-            tool_call_id: toolCall.id,
-            name: name,
-            content: toolMessage.content as string,
-          })
-        }
-      }
-    }
-  }
-}
+async execute(userMessage: string, history: Message[], onMessage: OnMessageCallback) {
+  // ... 
+  const assistantMessage: any = {
+    role: 'assistant',
+    content: responseContent || '',
+    ...(tool_calls.length > 0 && { tool_calls: tool_calls.filter(Boolean) }),
+    log: 'Hello world',
+  };
+  // ... 
diff --git a/src/domain/entities/message.ts b/src/domain/entities/message.ts
index 44d1bc6..5a85514 100644
--- a/src/domain/entities/message.ts
+++ b/src/domain/entities/message.ts
@@ -1,16 +1,5 @@
 export interface Message {
-  role: 'system' | 'user' | 'assistant' | 'tool'
-  content: string | null
-  tool_calls?: {
-    id: string
-    type: 'function'
-    function: {
-      name: string
-      arguments: string
-    }
-  }[]
-  tool_call_id?: string
-  name?: string
-}
-
-export type OnMessageCallback = (message: Message) => void
+  // ... 
+  log?: string;
+  // ... 
+}
\ No newline at end of file