pub fn resolve_opencode_model(model_override: Option<&str>) -> StringExpand description
Resolve the opencode model name.
Precedence: explicit model arg > SQLITE_GRAPHRAG_OPENCODE_MODEL env var
default
opencode/big-pickle.
NOTE: intentionally does NOT fall back to SQLITE_GRAPHRAG_LLM_MODEL because
that var typically holds a codex/claude model (e.g. “gpt-5.4-mini”) that
opencode does not recognise — cross-contamination caused
ProviderModelNotFoundError (v1.0.90 audit).