feat: vectorchord (#18042)

* wip

auto-detect available extensions

auto-recovery, fix reindexing check

use original image for ml

* set probes

* update image for sql checker

update images for gha

* cascade

* fix new instance

* accurate dummy vector

* simplify dummy

* preexisiting pg docs

* handle different db name

* maybe fix sql generation

* revert refreshfaces sql change

* redundant switch

* outdated message

* update docker compose files

* Update docs/docs/administration/postgres-standalone.md

Co-authored-by: Daniel Dietzler <36593685+danieldietzler@users.noreply.github.com>

* tighten range

* avoid always printing "vector reindexing complete"

* remove nesting

* use new images

* add vchord to unit tests

* debug e2e image

* mention 1.107.2 in startup error

* support new vchord versions

---------

Co-authored-by: Daniel Dietzler <36593685+danieldietzler@users.noreply.github.com>

server/test/repositories/database.repository.mock.ts

@@ -6,13 +6,17 @@ export const newDatabaseRepositoryMock = (): Mocked<RepositoryInterface<Database
   return {
     shutdown: vitest.fn(),
     getExtensionVersion: vitest.fn(),
+    getVectorExtension: vitest.fn(),
     getExtensionVersionRange: vitest.fn(),
     getPostgresVersion: vitest.fn().mockResolvedValue('14.10 (Debian 14.10-1.pgdg120+1)'),
     getPostgresVersionRange: vitest.fn().mockReturnValue('>=14.0.0'),
     createExtension: vitest.fn().mockResolvedValue(void 0),
     updateVectorExtension: vitest.fn(),
-    reindex: vitest.fn(),
-    shouldReindex: vitest.fn(),
+    reindexVectorsIfNeeded: vitest.fn(),
+    getDimensionSize: vitest.fn(),
+    setDimensionSize: vitest.fn(),
+    deleteAllSearchEmbeddings: vitest.fn(),
+    prewarm: vitest.fn(),
     runMigrations: vitest.fn(),
     withLock: vitest.fn().mockImplementation((_, function_: <R>() => Promise<R>) => function_()),
     tryLock: vitest.fn(),