- restore COPY harness/ (perso durante edit) -> /app/harness esiste
- cp workflow.yaml in site-packages: tht lo carica module-relative
(parent.parent del package); non-editable install non lo includeva
-> session show 500 (FileNotFoundError). pip install -e non accettato da pip.
- cd /app/harness && pip install . : pip 26.1.2 rifiuta il path bare /app/harness
- compose: THT_MODEL_API_KEY_FILE per buildPiChildEnv (codex) -> session create
prima 500 'model provider credential is unavailable'
Verificato: session show 200 (phase 1), create 200, Pi+model+SSE OK.