docs: audit + fix — remove observe CLI refs, correct defaults, fix public API imports, add historical banners

docs/getting-started.md

@@ -6,7 +6,7 @@ APOPHIS is inspired by the concept of invariant-driven automated testing: instea
 
 ## Prerequisites
 
-- Node.js 20.x or 22.x
+- Node.js >=20.18.1 (20.x) or >=22 (22.x)
 - **Fastify v5** (v4 is not supported)
 - **ESM project** (`"type": "module"` in package.json)
 - A Fastify app with `@fastify/swagger` registered
@@ -143,7 +143,7 @@ APOPHIS contracts should verify **behavior**, not structure. Fastify and `@fasti
 - Add more routes to your profile: `apophis verify --profile quick --routes "POST /users,PUT /users/:id"`
 - Use wildcards to match route patterns: `apophis verify --routes 'POST /api/*'`
 - Run all routes: `apophis verify --profile quick`
-- Run only changed routes in CI: `apophis verify --profile ci --changed`
+- Run only changed routes in CI: `apophis verify --profile quick --changed`
   - Requires a git repository.
 - Use machine-readable output in CI: `apophis verify --profile ci --format json-summary`
 - Add observe mode for runtime drift detection: see [observe.md](observe.md)