fix chat char limit

src/commands/bot.rs

@@ -217,9 +217,7 @@ impl ClaudeSession {
             anyhow::bail!("claude returned empty response");
         }
 
-        // Truncate to 300 graphemes (Bluesky limit)
-        let truncated: String = response.chars().take(300).collect();
-        Ok(truncated)
+        Ok(response)
     }
 }