Danny White 205ab69061 feat(studio): move CLI login to connect interstitial (#45814) ...

## What kind of change does this PR introduce?

Feature / UI refactor

## What is the current behaviour?

The CLI browser login route still uses the older API authorisation
layout and redirects missing or failed sign-in session states to generic
404/500 pages.

## What is the new behaviour?

Moves `/cli/login` onto the shared connect interstitial layout as the
next small stacked slice after the organisation invite work.

This keeps the real CLI login contract intact while updating the
surface:
- creates the CLI login session from `session_id`, `public_key`, and
optional `token_name`
- redirects to the generated `device_code`
- renders missing-parameter and session-creation failures in-card
instead of redirecting away
- keeps the 8-character verification code selectable and copyable as a
single string
- uses a full-width primary `Copy code` action

This also adds the small shared interstitial helpers needed by this
surface and adjusts `CopyButton` so the copied check icon inherits the
primary button colour instead of turning green.

This also removes the CLI version admonition:

> Browser login flow requires Supabase CLI version 1.219.0 and above.

I checked with our stats and the CLI team. The vast majority of users
are on a newer version.

| Before | After |
| --- | --- |
| <img width="1024" height="759" alt="Authorize API access
Supabase-D1E3CF26-BD59-4BB2-B457-B552EE47E3DA"
src="https://github.com/user-attachments/assets/c89b8b13-fa98-41b7-8093-e59d15b2aa9e"
/> | <img width="1024" height="759" alt="Authorize CLI
Supabase-C9977F21-88B8-441B-8A2C-09A9515935B0"
src="https://github.com/user-attachments/assets/ca13b65a-3875-425c-b73b-8f2101c1e406"
/> |
| <img width="1024" height="759"
alt="Supabase-F42FBEAF-F74D-4920-8A51-7C25004F66D5"
src="https://github.com/user-attachments/assets/51adb1e6-a2fb-41fb-b36f-0ae466fe60e2"
/> | <img width="1024" height="759" alt="Authorize CLI
Supabase-8159A1B1-2594-4183-AC35-FEF1EFD4EA37"
src="https://github.com/user-attachments/assets/6f143218-795d-41c9-a8e1-52e529a6b988"
/>
| <img width="1024" height="759"
alt="Supabase-2506E468-9F42-44B9-A5B7-BC4D3777F552"
src="https://github.com/user-attachments/assets/a304fca5-cf26-4ae7-abe9-77cdbc21fba5"
/> | <img width="1024" height="759" alt="Authorize CLI
Supabase-A0EE1239-A345-427C-9CF7-997037A8FC0E"
src="https://github.com/user-attachments/assets/33118777-35f3-49d6-bc1e-30e7124b3677"
/> |
| <img width="1024" height="759" alt="Authorize API access
Supabase-A7B84CA6-D230-4C3E-9227-DE21CE35375C"
src="https://github.com/user-attachments/assets/78eb6296-035a-4201-b254-b97eda44443c"
/> | <img width="1024" height="759" alt="Authorize CLI
Supabase-F55E26B2-609B-449C-9C64-08AA90AE3D1E"
src="https://github.com/user-attachments/assets/ff7b3b4e-729c-4681-844d-2d5d94bfc084"
/> |

## Testing instructions

Use the Vercel preview URL for this PR once it is available. The
examples below use `<preview-origin>` as a placeholder, for example
`https://studio-git-dnywh-feat-cli-login-interstitial-supabase.vercel.app`.

You need to be signed in to Studio to see these states because
`/cli/login` is still behind `withAuth`.

Ready state:
- Open `<preview-origin>/cli/login?device_code=ABCD1234`
- Check the page title is `Authorize CLI | Supabase`
- Check the card title is `Authorize Supabase CLI`
- Check the code fills the width, uses the normal sans font, and can be
selected
- Drag-select the code and copy it; the clipboard should contain
`ABCD1234`, not one character per line
- Click `Copy code`; the button should show the usual copied success
state without a green check icon on the primary button

Missing parameters state:
- Open `<preview-origin>/cli/login`
- Check the card says `Missing sign-in parameters` and names the missing
`session_id` and `public_key` parameters
- Open `<preview-origin>/cli/login?session_id=session-test`
- Check it still stays in-card and names the missing `public_key`
parameter instead of redirecting to `/404`

Creation error state:
- Open
`<preview-origin>/cli/login?session_id=not-real&public_key=not-real&token_name=local-dev`
- Check it stays in-card with `Unable to create CLI sign-in` instead of
redirecting to `/500`
- The exact error detail can vary by environment; the important bit is
that the failure is shown inside the interstitial card

Loading state:
- This is transient because there are no production mocks in this slice
- To inspect it manually, throttle the browser network before opening a
session-creation URL such as
`<preview-origin>/cli/login?session_id=not-real&public_key=not-real`

Real CLI flow:
- Run the browser login flow from Supabase CLI as usual
- When the CLI opens a Studio URL, keep the path and query string but
replace the origin with the PR preview origin
- The page should create the login session and then route to
`/cli/login?device_code=<8 character code>`
- Enter that 8-character code back in the CLI prompt


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **New Features**
* Redesigned CLI login flow with clearer state-driven screens and
improved verification UI.
* Added a small paired-logo component for centered logo pairs with a
connector icon.

* **Improvements**
* Copy button behavior and styling refined for consistent visual
feedback across variants.

* **Tests**
* New unit tests covering copy-button behavior and multiple CLI login UI
flows.

[![Review Change
Stack](https://storage.googleapis.com/coderabbit_public_assets/review-stack-in-coderabbit-ui.svg)](https://app.coderabbit.ai/change-stack/supabase/supabase/pull/45814)
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

2026-05-13 11:14:38 +10:00

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