- PPO: detect trl API via inspect — args= (>=0.28) vs config= (<0.28)
- PPO: split train into _train_builtin (trl >=0.28) and _train_manual
- GRPO: update error message to mention GRPO/PPO CPU limitation
- 2 new tests for PPO API detection (639 total, all passing)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- PPO: add use_cpu=True to PPOConfig when running on CPU
- GRPO: add CPU warning + use_cpu flag via inspect (trl bug workaround)
- Add use_cpu error pattern to friendly error map
- 7 new tests for CPU fixes (637 total, all passing)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- ASCII progress bar in display.py (replace Unicode blocks with #/-)
- Catch UnicodeEncodeError from plotext in data stats (Windows fallback)
- Auto-disable 4bit/8bit quantization on CPU (bitsandbytes doesn't support it)
- Friendly error messages for CPU tensor/dtype/bf16/torchvision issues
- Fix diff.py: torch_dtype= -> dtype= (deprecation warning)
- Add torchvision version compatibility check to soup doctor
7 new tests (631 total), ruff clean.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Friendly error messages: wrap all commands in try/except, map known errors
(CUDA OOM, missing deps, connection errors) to 2-3 line messages with fix hints
- Global --verbose flag for full tracebacks
- soup doctor: check system info, GPU, all dependency versions with fix suggestions
- soup quickstart: one-command demo (creates data + config + trains TinyLlama)
- Confirmation prompts before train/sweep (skip with --yes)
- 40 new tests (321 total), all passing
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>