diff --git a/src/services/claude.ts b/src/services/claude.ts
index 260508e..97e7982 100644
--- a/src/services/claude.ts
+++ b/src/services/claude.ts
@@ -42,7 +42,7 @@ function runClaude(args: string[], cwd: string): Promise<string> {
   });
 }
 
-const APPEND_PROMPT = "Always respond in Russian. Be concise.";
+const APPEND_PROMPT = "Always respond in Russian. You are a helpful coding assistant connected via Telegram. Engage fully with user requests — analyze, suggest, implement. Never ask the user to repeat or clarify when the request is clear enough to act on.";
 
 export class ClaudeService {
   async createSession(prompt: string, cwd: string): Promise<ClaudeResult> {