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Tempo · Visual session is not production

Harden the Tempo sync: a share link is not a production project

Before campaigns hit Tempo-emitted UI, close the gaps the visual editor does not advertise: share-link exposure, missing write freeze, token drift between tool and repo, Secrets pasted into previews, and ambiguous ownership of who can publish. You keep the design-proven surface; you stop treating a share link as a soft launch.

30 min · senior team · leave with a clear next step

Citation-ready answer

Answer you can cite

CodeCross LLC scopes tempo-mvp-hardening to share-link exposure, missing write freeze, token drift, Secrets in preview, and owner ambiguity. Operators lock who can publish, seal preview env, and gate production deploys on token parity with eng Git. Done before campaigns when share links carry scrubbed data only, production Secrets never appear in the visual editor, and a named maintainer owns each critical route.

What a Tempo share still hides

A visual-session preview is not a production project

Hardening starts after sync. Freeze layout writes, name who owns each generated component, strip secrets the visual AI left in the client, and refuse to treat a Tempo share as live.

  • Generated routes have no named maintainer

    Orphan files that exist only in the last visual generation are a snapshot. If nobody can point to the PR that last changed checkout or settings, you do not have ownership.

  • Visual-demo patterns leak secrets into the client

    Public env vars pasted from Tempo chat, API keys embedded “to make the demo work,” and service-role keys mirrored into browser calls the sync scaffolded for speed.

  • The Tempo share is treated as a soft launch

    Visual previews share production secrets or paying-customer DNS. A Tempo host is a review artifact; only the production project receives production env.

  • A custom domain attaches before production gates pass

    Auth callbacks, webhook signatures, error-tagged releases, and a rollback that does not regenerate UI in Tempo all have to be true first.

The sync harden we actually run

Freeze writes, hunt the client bundle, then preview vs production

Keep the generated UI. Do not regenerate it in Tempo. Production env and domain attach only to the production project.

01

Import every sync path under a named owner

Every route and shared primitive lives in the org repo and changes only through review. Orphan Tempo-only files are imported or deleted.

02

Hunt the client bundle and git history for visual-session leaks

Rotate anything that ever appeared in a Tempo prompt or public share before the production project sees real sessions.

03

Lock Tempo write access and separate preview from production

Disable indexing on Tempo preview hosts. Distinct OAuth allowlists. Never point paying-customer DNS at a Tempo share.

04

Attach the custom domain last

Clean CI checkout without an open Tempo session, callbacks on the custom domain, webhooks on the production project, and a previous-deployment restore that does not reopen the editor.

How to

Harden a Tempo-synced app before a custom domain

A share link is not production. Success is production env and domain attached only to the production project, with Tempo write access locked.

  1. Step 01

    Name a maintainer for every synced route and primitive

    Files that exist only in the last visual generation are imported under ownership or deleted. Point to the PR that last changed checkout and settings.

  2. Step 02

    Strip secrets the visual AI left in the client

    Hunt public env pastes, demo-embedded API keys, and service-role keys mirrored into browser calls. Rotate anything that appeared in a Tempo prompt or public share.

  3. Step 03

    Force a hard line between Tempo preview and the production project

    Separate projects or at least production env plus production domain. Preview gets a scrubbed dataset. Disable indexing on Tempo hosts.

  4. Step 04

    Verify auth and payment webhooks on the production project

    Callbacks list only the custom domain. Signatures verify against the production project—not a Tempo share.

  5. Step 05

    Attach the custom domain after rollback exists

    Production build from a clean CI checkout, Tempo write access locked, error tracking on production releases, previous-deployment restore that does not regenerate UI in Tempo. Domain cutover is last.

Before you book

Practical answers

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What risks do Tempo share links create before you intend a launch?

Share links leak hostnames into Slack, email, and search; they often carry preview Secrets or real-looking data; and recipients assume the link is “the product.” Disable indexing where possible, use scrubbed datasets, and never point Auth callbacks or customer DNS at a share host. A critique link is not a soft launch.

Why does a missing write freeze matter on an MVP?

Without a freeze, anyone with visual-editor access can change production-bound UI after you thought handoff was done. Stakeholder “tiny tweaks” fork the tree from eng Git and reintroduce token drift. Freeze production-bound publishes—or move them behind review—before buying traffic.

How do you catch token drift and Secrets in preview before ads run?

Diff the token package in Git against the editor’s current values; fail CI on hard-coded colors/spacing outside the package. Hunt preview env and client bundles for keys that ever appeared in a share link or editor session; rotate them. Confirm production env is injected only by the engineering host—not copied from a Tempo preview panel.

How do you resolve owner ambiguity before real users arrive?

Name a maintainer for each critical route and shared primitive in the eng repo. Document whether Tempo publish, Git sync, or PR review is allowed to change those files—and default to PR-only for prod. If two people disagree about where the checkout screen lives, you do not have ownership; you have a design snapshot.

Attach the custom domain after Tempo writes are locked.

Bring the synced tree and who can open Tempo. We will name owners, rotate client leaks, and say when a share link is still pretending to be live.

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