scenario — Edge Case & Scenario Explorer

Systematic pre-implementation scenario analysis. For a given feature or change, produces a severity-ranked table of test scenarios across 13 dimensions tuned to gflow-cli's known failure surfaces. Feed the output into PLAN.md tasks and tests/features/ BDD scenarios before entering EXECUTE mode.

When to invoke

Use before implementing any of:

• A new generation path (T2V, I2V, R2V, batch manifest runner)
• Transport changes (any new HTTP call against aisandbox-pa.googleapis.com)
• Auth or session changes (new strategy, cookie extraction, SAPISIDHASH wiring)
• Selector cascade changes (ONBOARDING_SELECTORS, NEW_PROJECT_SELECTORS, FRAME_SLOTS_STRUCT, IMAGE_MODEL_OPTION_SELECTORS)
• Data layer changes (schema migration, new OperationRecorder callsite, redaction change)
• New CLI subcommand, flag, or exit code