Add CI pipeline, Meilisearch service, CacheService and code quality tools

- CI: lint, PHPStan, PHP CS Fixer, ESLint, Stylelint, security audit, build
- MeilisearchService: async via Messenger, sync search
- MeilisearchMessage + handler for async operations
- CacheService with CacheKey enum (TTL per key, remember pattern)
- Meilisearch env vars in .env.local, vault and env.local.j2
- Messenger routing for MeilisearchMessage
- PHPStan level 6, ESLint, Stylelint configs

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/ci.yml

@@ -0,0 +1,104 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+      - main
+  pull_request:
+
+jobs:
+  lint:
+    runs_on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.4'
+          extensions: intl, pdo_pgsql, zip, gd, redis, imagick
+
+      - name: Install dependencies
+        run: composer install --no-interaction --prefer-dist
+
+      - name: Lint Twig
+        run: php bin/console lint:twig templates/
+
+      - name: Lint YAML
+        run: php bin/console lint:yaml config/
+
+      - name: Lint Container
+        run: php bin/console lint:container
+
+  quality-php:
+    runs_on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.4'
+          extensions: intl, pdo_pgsql, zip, gd, redis, imagick
+
+      - name: Install dependencies
+        run: composer install --no-interaction --prefer-dist
+
+      - name: PHPStan
+        run: vendor/bin/phpstan analyse src/ --level=6 --no-progress
+
+      - name: PHP CS Fixer
+        run: vendor/bin/php-cs-fixer fix --dry-run --diff
+
+  quality-frontend:
+    runs_on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+
+      - name: Install JS dependencies
+        run: bun install
+
+      - name: ESLint
+        run: bunx eslint assets/ --ext .js,.ts
+
+      - name: Stylelint
+        run: bunx stylelint "assets/**/*.scss"
+
+  security:
+    runs_on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '8.4'
+
+      - name: Install dependencies
+        run: composer install --no-interaction --prefer-dist
+
+      - name: Security audit
+        run: composer audit
+
+  build:
+    runs_on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
+
+      - name: Install JS dependencies
+        run: bun install
+
+      - name: Build assets
+        run: bun run build