refactor: move /incident-status to app router

[everettbu]

Mirror of supabase/supabase#43881
Original author: charislam

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I have read the CONTRIBUTING.md file.

YES

What kind of change does this PR introduce?

Refactor

What is the current behavior?

/incident-status is handled via Pages Router.

What is the new behavior?

/incident-status is handled via App Router, enabling use of Vercel Data Cache to cache the upstream fetch.

Additional context

Adding the first App Router route handler triggered next typegen (run as pretypecheck) to generate .next/dev/types/validator.ts, which imports all route files and expanded the type-checked graph. This surfaced pre-existing null-safety errors in:

• components/grid/SupabaseGrid.utils.ts — useSearchParams() result
• components/layouts/ProjectLayout/UpgradingState/index.tsx — useSearchParams() result
• pages/project/[ref]/sql/quickstarts.tsx — useParams() result
• pages/project/[ref]/sql/templates.tsx — useParams() result

These are fixed with optional chaining. The tsconfig.json change (adding .next/dev/types/**/*.ts to include) is auto-generated by Next.js and committed as correct behavior.

[github-actions]

🎭 Playwright Test Results

 1 failed
 156 passed
 1 flaky
 5 skipped

Details

 163 tests across 20 suites
 3 minutes
 35ec70d

Failed tests

Features › realtime-inspector.spec.ts › Realtime Inspector › Broadcast Messages › broadcast modal validates JSON payload

Flaky tests

Features › queue-table-operations.spec.ts › Queue Table Operations › pending changes persist when switching between tables

Skipped tests

Features › assistant.spec.ts › AI Assistant › Can send a message to the assistant and receive a response
Features › sql-editor.spec.ts › SQL Editor › snippet favourite works as expected
Features › sql-editor.spec.ts › SQL Editor › share with team works as expected
Features › sql-editor.spec.ts › SQL Editor › folders works as expected
Features › sql-editor.spec.ts › SQL Editor › other SQL snippets actions work as expected

[blacksmith-sh]

Found 11 test failures on Blacksmith runners:

Failures

Test	View Logs
[Features] › features/ queue-table-operations.spec.ts:422:3 › Queue Table Operations › pending changes persist when switching between tables	View Logs
[Features] › features/ realtime-inspector.spec.ts:115:5 › Realtime Inspector › Broadcast Messages › broadcast modal validates JSON payload	View Logs
Queue Table Operations/pending changes persist when switching between tables	View Logs
Queue Table Operations/pending changes persist when switching between tables (retry #1)	View Logs
Queue Table Operations/pending changes persist when switching between tables (retry #2)	View Logs
Realtime Inspector › Broadcast Messages/broadcast modal validates JSON payload	View Logs
Realtime Inspector › Broadcast Messages/ broadcast modal validates JSON payload (retry #1)	View Logs
Realtime Inspector › Broadcast Messages/ broadcast modal validates JSON payload (retry #2)	View Logs
Realtime Inspector › Broadcast Messages/ broadcast modal validates JSON payload (retry #3)	View Logs
Realtime Inspector › Broadcast Messages/ broadcast modal validates JSON payload (retry #4)	View Logs
Realtime Inspector › Broadcast Messages/ broadcast modal validates JSON payload (retry #5)	View Logs