Version v0.2.75 - Fixed decrypt mode to suppress startup messages for clean pipe operations

otp.c

@@ -138,11 +138,16 @@ int main(int argc, char* argv[]) {
     // Check for piped input first (before any output)
     int is_pipe_mode = (argc == 1 && has_stdin_data());
     
+    // Check for decrypt command with piped input
+    int is_decrypt_pipe = (argc == 2 && 
+                          (strcmp(argv[1], "decrypt") == 0 || strcmp(argv[1], "-d") == 0) && 
+                          has_stdin_data());
+    
     // Check for OTP thumb drive on startup
     char otp_drive_path[512];
     if (detect_otp_thumb_drive(otp_drive_path, sizeof(otp_drive_path))) {
         // Only show messages in interactive/command mode, not pipe mode
-        if (!is_pipe_mode) {
+        if (!is_pipe_mode && !is_decrypt_pipe) {
             printf("Detected OTP thumb drive: %s\n", otp_drive_path);
             printf("Using as default pads directory for this session.\n\n");
         }