Fix bug double mutex on processes

src/api.rs

@@ -1062,9 +1062,7 @@ fn handle_decrypted_message(
 
 #[wasm_bindgen]
 pub fn parse_cipher(cipher_msg: String) -> ApiResult<ApiReturn> {
-    // We lock message cache and processes to prevent race conditions
     let mut messages = lock_messages()?;
-    let processes = lock_processes()?;
 
     // Check that the cipher is not empty or too long
     if cipher_msg.is_empty() || cipher_msg.len() > MAX_PRD_PAYLOAD_SIZE {
@@ -1082,6 +1080,7 @@ pub fn parse_cipher(cipher_msg: String) -> ApiResult<ApiReturn> {
     }
 
     // If that fails, try decrypting with known processes
+    let processes = lock_processes()?;
     if let Ok(Some((plain, root_commitment))) = decrypt_with_known_processes(&cipher, processes) {
         return handle_decrypted_message(plain, None, Some(root_commitment))
             .map_err(|e| ApiError::new(format!("Failed to handle decrypted message: {}", e)));