Cuts the per-run LLM cost ~10x (MiniMax M2.7 vs gpt-4.1-mini) and
removes the recurring OpenAI-quota-exhaustion failure mode that took
the canary down on 2026-05-03 (#265 — staging quota burnt for ~16h).
Path:
E2E_RUNTIME=claude-code (default)
→ workspace-configs-templates/claude-code-default/config.yaml's
`minimax` provider (lines 64-69)
→ ANTHROPIC_BASE_URL auto-set to api.minimax.io/anthropic
→ reads MINIMAX_API_KEY (per-vendor env, no collision with
GLM/Z.ai etc.)
Workflow changes (continuous-synth-e2e.yml):
- Default runtime: langgraph → claude-code
- New env: E2E_MODEL_SLUG (defaults to MiniMax-M2.7-highspeed,
overridable via workflow_dispatch)
- New secret wire: E2E_MINIMAX_API_KEY ←
secrets.MOLECULE_STAGING_MINIMAX_API_KEY
- Per-runtime missing-secret guard: claude-code requires MINIMAX,
langgraph/hermes require OPENAI. Cron firing hard-fails on missing
key for the active runtime; dispatch soft-skips so operators can
ad-hoc test without setting up the secret first
- Operators can still pick langgraph/hermes via workflow_dispatch;
the OpenAI fallback path stays wired
Script changes (tests/e2e/test_staging_full_saas.sh):
- SECRETS_JSON branches on which key is set:
E2E_MINIMAX_API_KEY → {MINIMAX_API_KEY: <key>} (claude-code path)
E2E_OPENAI_API_KEY → {OPENAI_API_KEY, HERMES_*, MODEL_PROVIDER} (legacy)
MiniMax wins when both are present — claude-code default canary
must not accidentally consume the OpenAI key
Tests (new tests/e2e/test_secrets_dispatch.sh):
- 10 cases pinning the precedence + payload shape per branch
- Discipline check verified: 5 of 10 FAIL on a swapped if/elif
(precedence inversion), all 10 PASS on the fix
- Anchors on the section-comment header so a structural refactor
fails loudly rather than silently sourcing nothing
The model_slug dispatcher (lib/model_slug.sh) needs no change:
E2E_MODEL_SLUG override path is already wired (line 41), and
claude-code template's `minimax-` prefix matcher catches
"MiniMax-M2.7-highspeed" via lowercase-on-lookup.
Operator action required to land green:
- Set MOLECULE_STAGING_MINIMAX_API_KEY in repo secrets
(Settings → Secrets and Variables → Actions). Use
`gh secret set MOLECULE_STAGING_MINIMAX_API_KEY -R Molecule-AI/molecule-core`
to avoid leaking the value into shell history.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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