Version 2.48.0 Release: Smart History Sanitization for Context Optimization

src/agent.ts

@@ -301,7 +301,7 @@ export class AgentExecutor {
             // 3. API Request Setup
             const { ollamaUrl, defaultModel: configDefaultModel, timeout } = getConfig();
             const actualModel = modelName || configDefaultModel;
-            const reqMessages = [...this.chatHistory];
+            const reqMessages = this.buildRequestHistory(this.chatHistory);
 
             // Handle Vision Content Injection
             // Merge text prompt with file content instead of replacing, so the user's message is never lost
@@ -773,6 +773,30 @@ export class AgentExecutor {
         return /(아키텍처|구조|조사|분석|설계|흐름|모듈|역할|개선|architecture|structure|design|flow|module|investigate|analy[sz]e)/i.test(prompt);
     }
 
+    private buildRequestHistory(history: ChatMessage[]): ChatMessage[] {
+        return history.map((message) => {
+            if (message.role !== 'assistant' || typeof message.content !== 'string') {
+                return message;
+            }
+
+            return {
+                ...message,
+                content: this.sanitizeHistoryAssistantContent(message.content)
+            };
+        });
+    }
+
+    private sanitizeHistoryAssistantContent(content: string): string {
+        return content
+            .replace(/<details>\s*<summary>2nd Brain Trace:[\s\S]*?<\/details>/gi, '')
+            .replace(/## Second Brain Debug JSON[\s\S]*?(?=\n## |\n# |$)/gi, '')
+            .replace(/## Candidate records for this discussion[\s\S]*?(?=\n## |\n# |$)/gi, '')
+            .replace(/## 후보 기록[\s\S]*?(?=\n## |\n# |$)/gi, '')
+            .replace(/## 프로젝트 기록 검토[\s\S]*?(?=\n## |\n# |$)/gi, '')
+            .replace(/\n{3,}/g, '\n\n')
+            .trim();
+    }
+
     private buildRecentProjectKnowledgeContext(prompt: string, rootPath: string): string {
         if (!rootPath || !this.isProjectKnowledgeFollowupRequest(prompt)) {
             return '';