Danny White ae69908aed refactor(studio): extract destination validation for wizard reuse (#51470)
## Problem

The pipeline creation wizard in #49243 needs to validate its destination
connection before table selection. The sheet currently builds that
request inside its full configuration validation.

## Solution

Extract `useDestinationValidation` and use it from the sheet. It builds
and sends the existing destination request, with optional pipeline
settings. The sheet still validates destination and pipeline settings in
parallel and retains its existing loading, error and warning handling.

This foundation adds no visible changes or wizard routing.

## Review instructions

Use a test project with Pipelines enabled, a publication containing
tables, and working BigQuery credentials.

1. Open the [deploy preview at Database →
Pipelines](https://studio-staging-git-dnywh-refactorpipeline-desti-ebcb9d-supabase.vercel.app/dashboard/project/_/database/pipelines),
select your test project and click **Add pipeline**. Confirm the
existing sheet opens with BigQuery selected.
2. Enter the required fields and select a publication. Use valid
service-account JSON, but set **Dataset ID** to a dataset that does not
exist. Click **Start pipeline**. While the request runs, expect a
loading state and disabled submission. Once validation completes, expect
configuration issues in the sheet, retained field values and no pipeline
creation.
3. Correct the dataset ID and click **Start pipeline** again. Expect
validation to recover and open the **Create and start pipeline** cost
confirmation when there are no remaining issues. Click **Cancel** to
avoid creating the pipeline.
4. If your test project returns warnings, confirm they appear inline and
the action changes to **Start pipeline anyway**. Click it again:
unchanged warnings should open the warning confirmation, and continuing
should open the cost confirmation. Critical issues must still block
progression.
2026-10-12 10:18:56 +11:00
2025-06-17 11:08:46 +02:00
2024-01-10 13:34:41 +01:00
2021-07-25 12:45:26 +08:00
2026-09-29 18:32:27 +03:00

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