84b52c75ae
Add the canonical SaaS tutorial walkthrough for the compile-tested examples/saas path, tying templates, typed domain forms, generated effects, error mapping, page/push shape, CSS/islands, tests, and provider recipes into one onboarding flow. req: examples/001 req: canonical_authoring/001 req: canonical_authoring/002 req: canonical_authoring/003 req: auth/001 req: failure/004 req: page_swap/002 req: push/003 req: public_api/005