[Store] Add support for Vektor

src/store/src/Bridge/Vektor/.gitattributes

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+/Tests export-ignore
+/phpunit.xml.dist export-ignore
+/.git* export-ignore

src/store/src/Bridge/Vektor/.github/PULL_REQUEST_TEMPLATE.md

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+Please do not submit any Pull Requests here. They will be closed.
+---
+
+Please submit your PR here instead:
+https://github.com/symfony/ai
+
+This repository is what we call a "subtree split": a read-only subset of that main repository.
+We're looking forward to your PR there!

src/store/src/Bridge/Vektor/.github/workflows/close-pull-request.yml

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+name: Close Pull Request
+
+on:
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: superbrothers/close-pull-request@v3
+      with:
+        comment: |
+          Thanks for your Pull Request! We love contributions.
+
+          However, you should instead open your PR on the main repository:
+          https://github.com/symfony/ai
+
+          This repository is what we call a "subtree split": a read-only subset of that main repository.
+          We're looking forward to your PR there!

src/store/src/Bridge/Vektor/.gitignore

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+vendor/
+composer.lock
+phpunit.xml
+.phpunit.result.cache

src/store/src/Bridge/Vektor/CHANGELOG.md

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+CHANGELOG
+=========
+
+0.4
+---
+
+ * Add the bridge

src/store/src/Bridge/Vektor/LICENSE

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+Copyright (c) 2026-present Fabien Potencier
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

src/store/src/Bridge/Vektor/README.md

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+Vektor Store
+============
+
+Provides [Vektor](https://github.com/centamiv/vektor) vector store integration for Symfony AI Store.
+
+Resources
+---------
+
+ * [Contributing](https://symfony.com/doc/current/contributing/index.html)
+ * [Report issues](https://github.com/symfony/ai/issues) and
+   [send Pull Requests](https://github.com/symfony/ai/pulls)
+   in the [main Symfony AI repository](https://github.com/symfony/ai)

src/store/src/Bridge/Vektor/Store.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\AI\Store\Bridge\Vektor;
+
+use Symfony\AI\Platform\Vector\Vector;
+use Symfony\AI\Store\Document\VectorDocument;
+use Symfony\AI\Store\Exception\InvalidArgumentException;
+use Symfony\AI\Store\ManagedStoreInterface;
+use Symfony\AI\Store\StoreInterface;
+use Symfony\Contracts\HttpClient\HttpClientInterface;
+
+/**
+ * @author Guillaume Loulier <personal@guillaumeloulier.fr>
+ */
+final class Store implements ManagedStoreInterface, StoreInterface
+{
+    public function __construct(
+        private readonly HttpClientInterface $httpClient,
+        #[\SensitiveParameter] private readonly string $apiKey,
+        private readonly string $endpoint,
+    ) {
+    }
+
+    public function setup(array $options = []): void
+    {
+        if ([] !== $options) {
+            throw new InvalidArgumentException('No supported options.');
+        }
+    }
+
+    public function drop(array $options = []): void
+    {
+        // TODO: Implement drop() method.
+    }
+
+    public function add(VectorDocument|array $documents): void
+    {
+        if ($documents instanceof VectorDocument) {
+            $documents = [$documents];
+        }
+
+        foreach ($documents as $document) {
+            $this->request('POST', 'insert', [
+                'id' => '',
+                'vector' => $document->vector->getData(),
+                'metadata' => $document->metadata->getArrayCopy(),
+            ]);
+        }
+    }
+
+    public function remove(array|string $ids, array $options = []): void
+    {
+        if (\is_string($ids)) {
+            $ids = [$ids];
+        }
+
+        foreach ($ids as $id) {
+            $this->request('DELETE', 'delete', [
+                'id' => $id,
+            ]);
+        }
+    }
+
+    public function query(Vector $vector, array $options = []): iterable
+    {
+        $results = $this->request('GET', 'search', [
+            'vector' => $vector->getData(),
+            'k' => $options['k'] ?? 10,
+        ]);
+
+    }
+
+    private function request(string $method, string $endpoint, array $payload): array
+    {
+        $response = $this->httpClient->request($method, \sprintf('%s/%s', $this->endpoint, $endpoint), [
+            'auth_bearer' => $this->apiKey,
+            'json' => $payload,
+        ]);
+
+        return $response->toArray();
+    }
+}

src/store/src/Bridge/Vektor/Tests/StoreTest.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\AI\Store\Bridge\Vektor\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\AI\Store\Bridge\Vektor\Store;
+use Symfony\Component\HttpClient\MockHttpClient;
+
+final class StoreTest extends TestCase
+{
+    public function testStoreCannotSetupWithOptions()
+    {
+        $store = new Store(new MockHttpClient(), 'foo', 'http://127.0.0.1:8080');
+
+        $this->expectException(\InvalidArgumentException::class);
+        $this->expectExceptionMessage('No supported options.');
+        $this->expectExceptionCode(0);
+        $store->setup([
+            'foo' => 'bar',
+        ]);
+    }
+}

src/store/src/Bridge/Vektor/composer.json

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+{
+    "name": "symfony/ai-vektor-store",
+    "description": "Vektor vector store bridge for Symfony AI",
+    "license": "MIT",
+    "type": "symfony-ai-store",
+    "keywords": [
+        "ai",
+        "bridge",
+        "store",
+        "vektor",
+        "vector"
+    ],
+    "authors": [
+        {
+            "name": "Guillaume Loulier",
+            "email": "personal@guillaumeloulier.fr"
+        },
+        {
+            "name": "Symfony Community",
+            "homepage": "https://symfony.com/contributors"
+        }
+    ],
+    "require": {
+        "php": ">=8.2",
+        "symfony/ai-platform": "^0.1",
+        "symfony/ai-store": "^0.2",
+        "symfony/http-client": "^7.3|^8.0",
+        "symfony/uid": "^7.3|^8.0"
+    },
+    "require-dev": {
+        "phpstan/phpstan": "^2.1",
+        "phpstan/phpstan-phpunit": "^2.0",
+        "phpstan/phpstan-strict-rules": "^2.0",
+        "phpunit/phpunit": "^11.5.46"
+    },
+    "minimum-stability": "dev",
+    "autoload": {
+        "psr-4": {
+            "Symfony\\AI\\Store\\Bridge\\Vektor\\": ""
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "Symfony\\AI\\PHPStan\\": "../../../../../.phpstan/",
+            "Symfony\\AI\\Store\\Bridge\\Vektor\\Tests\\": "Tests/"
+        }
+    },
+    "config": {
+        "sort-packages": true
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-main": "0.4.x-dev"
+        },
+        "thanks": {
+            "name": "symfony/ai",
+            "url": "https://github.com/symfony/ai"
+        }
+    }
+}

src/store/src/Bridge/Vektor/phpstan.dist.neon

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+includes:
+    - vendor/phpstan/phpstan-phpunit/extension.neon
+    - ../../../../../.phpstan/extension.neon
+
+parameters:
+    level: 6
+    paths:
+        - .
+        - Tests/
+    excludePaths:
+        - vendor/
+    treatPhpDocTypesAsCertain: false
+    ignoreErrors:
+        -
+            message: "#^Method .*::test.*\\(\\) has no return type specified\\.$#"
+        -
+            message: '#^Call to( static)? method PHPUnit\\Framework\\Assert::.* will always evaluate to true\.$#'
+            reportUnmatched: false
+        -
+            identifier: 'symfonyAi.forbidNativeException'
+            path: Tests/*
+            reportUnmatched: false
+
+services:
+    - # Conditionally enabled by bleeding edge in phpstan/phpstan-phpunit 2.x
+        class: PHPStan\Type\PHPUnit\DataProviderReturnTypeIgnoreExtension
+        tags:
+            - phpstan.ignoreErrorExtension

src/store/src/Bridge/Vektor/phpunit.xml.dist

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+<?xml version="1.0" encoding="UTF-8"?>
+
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
+         backupGlobals="false"
+         colors="true"
+         bootstrap="vendor/autoload.php"
+         failOnDeprecation="true"
+         failOnRisky="true"
+         failOnWarning="true"
+         executionOrder="random"
+>
+    <php>
+        <ini name="error_reporting" value="-1" />
+    </php>
+
+    <testsuites>
+        <testsuite name="Symfony AI Vektor Store Test Suite">
+            <directory>./Tests/</directory>
+        </testsuite>
+    </testsuites>
+
+    <source ignoreSuppressionOfDeprecations="true">
+        <include>
+            <directory>./</directory>
+        </include>
+        <exclude>
+            <directory>./Resources</directory>
+            <directory>./Tests</directory>
+            <directory>./vendor</directory>
+        </exclude>
+    </source>
+</phpunit>