AI Studio on Start + Void

AI Studio (apps/ai) runs on TanStack Start, Vite+ and Void with the shared Start bridge. The native Worker owns ai.tuturuuu.com; no route or domain is declared in source. Production publication remains held until exact-head CI, sealed emitted-Worker acceptance, staging acceptance and rollback capture pass. The existing Vercel deployment remains the rollback target until cutover.

Cutover packet

Item	Value
Production Worker	`tuturuuu-ai` (`VITE_AI_NATIVE_PROFILE=production`)
Staging Worker	the staging Worker name
Host	`ai.tuturuuu.com` (operator-attached; no source route)
Bindings	`ASSETS` (`dist/client`), `TUTURUUU_NOINDEX=1` in the source config; production artifact policy must be checked in its emitted config
Secret names	`TUTURUUU_APP_COORDINATION_SECRET`, `SUPABASE_SECRET_KEY`; provider credentials are optional: `GOOGLE_GENERATIVE_AI_API_KEY` or `GOOGLE_API_KEY`, `AI_GATEWAY_API_KEY` or `VERCEL_OIDC_TOKEN`
Build	`VITE_AI_NATIVE_PROFILE=production bun run --cwd apps/ai build:cloudflare`
Prior Vercel deployment	No immutable deployment ID is recorded in the repository. Rex must capture the active AI Vercel deployment ID and URL before cutover.
Data	No database writes or migrations are part of this cutover.

The AI Worker requires the coordination and Supabase secrets at startup. The build logs only the selected provider category, never credential values.

Acceptance and smoke

Run the production build and emitted suite from the repository root:

VITE_AI_NATIVE_PROFILE=production bun run --cwd apps/ai build:cloudflare
CI=true CI_SOURCE_SHA="$(git rev-parse HEAD)" bun run --cwd apps/ai test:runtime

After the release owner deploys the accepted artifact and attaches the host, probe the canonical origin without credentials:

curl -sS -D - -o /dev/null https://ai.tuturuuu.com/
curl -sS https://ai.tuturuuu.com/api/build-info
curl -sS -o /dev/null -w '%{http_code}\n' https://ai.tuturuuu.com/api/build-info

Confirm expected page/auth behavior, the exact accepted source SHA in build info, and x-tuturuuu-runtime: native. Smoke both the canonical subdomain and the https://tuturuuu.com/ai mount if that mount is admitted by the cutover. This packet does not authorize routing or provider changes.

Rollback

Before switching, Rex records the active Vercel deployment ID, immutable URL, and routing it serves. If smoke, authentication, error rate or latency regresses, restore the captured host routing to that Vercel deployment in one step; do not rebuild during rollback. Retain the Vercel deployment and routing until the native Worker completes its stable release window.

Build

Platform

Components

AI Studio on Start + Void

Cutover packet

Acceptance and smoke

Rollback

​Cutover packet

​Acceptance and smoke

​Rollback

Cutover packet

Acceptance and smoke

Rollback