docs(examples): close saas tutorial boundary

Promote examples/saas from skeleton wording to the canonical tutorial app and record the v1 release decision that local persistence plus provider-explicit recipes is the supported production boundary for CI-friendly docs.

req: examples/001

req: auth/001

req: laws/004

req: public_api/005

README.md

@@ -6,10 +6,9 @@ commands; ordinary server-first apps do not need a frontend framework,
 handwritten UI JavaScript, selector targeting, or raw runtime primitives. req: pitch/001 req: canonical_authoring/001
 
 Status: the repository currently has a strong v0 example/API path, a compile-tested
-SaaS tutorial skeleton, an advanced Kanban milestone sketch, and a full techdemo.
-The polished v1 product story is still being filled out through docs, recipes,
-diagnostics, and stability guidance. See `docs/v1-readiness.md` for the current
-close-gap audit.
+SaaS tutorial app, an advanced Kanban milestone sketch, and a full techdemo.
+The v1 story now has tutorial, recipe, diagnostics, and stability docs; see
+`docs/v1-readiness.md` for the remaining close-gap audit.
 
 ## The normal path
 
@@ -120,7 +119,7 @@ See `docs/versioning.md`.
 - `examples/v0`: canonical beginner path covering counter, typed todo CRUD,
   form wizard, auth action, page swaps, SSE notifications, and keyed list
   updates. Start here.
-- `examples/saas`: compile-tested v1 tutorial skeleton covering auth/session,
+- `examples/saas`: compile-tested v1 tutorial app covering auth/session,
   CSRF-safe mutation, local persistence, generated swaps, page/push shape, plain
   CSS, and one explicit island without provider-heavy platform scope. Read the
   walkthrough in `docs/tutorial-saas.md`; the SQLx persistence recipe in