pi-mono Deep Dive 14: Testing, Quality Gates, Supply-chain Hardening — Faux Provider, Browser Smoke, Biome, tsgo, Shrinkwrap, Trusted Publishing
Testing strategy: Faux Provider (no API key e2e), Vitest unit, Browser Smoke (real browser), Biome lint/format, tsgo type check, Pinned Deps, Shrinkwrap, Install Lock, npm Trusted Publishing, CI pipeline.