fix: STT consistency — web.py model param, error matching, local provider key

- web.py: pass stt_model from config like discord.py and run.py do
- run.py: match new error messages (No STT provider / not set)
- _transcribe_local: add missing "provider": "local" to return dict

gateway/platforms/web.py

@@ -444,8 +444,9 @@ class WebAdapter(BasePlatformAdapter):
             f.write(audio_bytes)
 
         try:
-            from tools.transcription_tools import transcribe_audio
-            result = await asyncio.to_thread(transcribe_audio, tmp_path)
+            from tools.transcription_tools import transcribe_audio, get_stt_model_from_config
+            stt_model = get_stt_model_from_config()
+            result = await asyncio.to_thread(transcribe_audio, tmp_path, model=stt_model)
 
             if not result.get("success"):
                 await self._send_to_session(session_id, {

gateway/run.py

@@ -3345,10 +3345,10 @@ class GatewayRunner:
                     )
                 else:
                     error = result.get("error", "unknown error")
-                    if "OPENAI_API_KEY" in error or "VOICE_TOOLS_OPENAI_KEY" in error:
+                    if "No STT provider" in error or "not set" in error:
                         enriched_parts.append(
                             "[The user sent a voice message but I can't listen "
-                            "to it right now~ VOICE_TOOLS_OPENAI_KEY isn't set up yet "
+                            "to it right now~ No STT provider is configured "
                             "(';w;') Let them know!]"
                         )
                     else:

tools/transcription_tools.py

@@ -209,7 +209,7 @@ def _transcribe_local(file_path: str, model_name: str) -> Dict[str, Any]:
             Path(file_path).name, model_name, info.language, info.duration,
         )
 
-        return {"success": True, "transcript": transcript}
+        return {"success": True, "transcript": transcript, "provider": "local"}
 
     except Exception as e:
         logger.error("Local transcription failed: %s", e, exc_info=True)