fix:parser and ui

src/main.cpp

@@ -15,6 +15,8 @@
 #include <utility>
 #include <vector>
 
+#include "transcript_cleaner.h"
+
 namespace {
 
 constexpr const char* kAppId = "io.github.transui";
@@ -333,18 +335,6 @@ size_t curl_write(char* buffer, size_t size, size_t nmemb, void* data) {
   return size * nmemb;
 }
 
-std::string clean_transcript(std::string transcript) {
-  // Qwen3-ASR prefixes transcripts with the detected language and this marker.
-  constexpr const char* kLanguagePrefix = "language ";
-  constexpr const char* kTextMarker = "<astext>";
-  if (transcript.compare(0, std::strlen(kLanguagePrefix), kLanguagePrefix) != 0) {
-    return transcript;
-  }
-  const size_t marker = transcript.find(kTextMarker, std::strlen(kLanguagePrefix));
-  if (marker == std::string::npos) return transcript;
-  return transcript.substr(marker + std::strlen(kTextMarker));
-}
-
 bool transcription_request(const std::string& url, const std::string& key,
                            const std::string& model, const std::string& path,
                            const std::string& prompt,

src/transcript_cleaner.cpp

@@ -0,0 +1,33 @@
+#include "transcript_cleaner.h"
+
+#include <cctype>
+#include <string_view>
+
+std::string clean_transcript(std::string transcript) {
+  // Qwen3-ASR prefixes raw transcripts with the detected language and a text marker.
+  constexpr std::string_view kLanguagePrefix = "language ";
+  constexpr std::string_view kMarkers[] = {"<asr_text>", "<astext>"};
+
+  size_t prefix = 0;
+  if (transcript.compare(0, 3, "\xef\xbb\xbf") == 0) prefix = 3;
+  while (prefix < transcript.size() &&
+         std::isspace(static_cast<unsigned char>(transcript[prefix]))) {
+    prefix++;
+  }
+  if (transcript.compare(prefix, kLanguagePrefix.size(), kLanguagePrefix) != 0) {
+    return transcript;
+  }
+
+  size_t marker_position = std::string::npos;
+  std::string_view matched_marker;
+  for (std::string_view marker : kMarkers) {
+    const size_t position = transcript.find(marker, prefix + kLanguagePrefix.size());
+    if (position != std::string::npos &&
+        (marker_position == std::string::npos || position < marker_position)) {
+      marker_position = position;
+      matched_marker = marker;
+    }
+  }
+  if (marker_position == std::string::npos) return transcript;
+  return transcript.substr(marker_position + matched_marker.size());
+}

src/transcript_cleaner.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#include <string>
+
+std::string clean_transcript(std::string transcript);