Conversation Checkpoint: Local STT Implementation

Project: local-stt

Status: In-Progress (Development/Debugging)
Environment: Dedicated venv in /home/openclaw/.openclaw/workspace/projects/local-stt/scripts/.
Dependencies: sherpa-onnx (v1.12.34), numpy, onnx, wave installed.
Models:
- STT: sherpa-onnx-streaming-zipformer-en-2023-06-26-mobile
- Punctuation: sherpa-onnx-punct-ct-transformer-zh-en-vocab272727-2024-04-12-int8
Current Issue: Encountering RuntimeError: No graph was found in the protobuf and RuntimeError: Got invalid dimensions for input when attempting to run transcribe.py.
Verified: .onnx model files are valid via the onnx library.
Next Steps: Investigate version-specific loading methods for Zipformer in sherpa-onnx (the API changed significantly). Confirm exact model source version to ensure compatibility with current Python API.