Speed up PHPStan analysis with result caching

Configure a project-local result cache directory so PHPStan only
re-analyses files that changed. In CI, persist the cache across
runs with actions/cache and suppress progress output.

.github/workflows/ci.yml

@@ -150,8 +150,16 @@ jobs:
       - name: Install dependencies
         run: composer install --prefer-dist --no-progress --ignore-platform-reqs
 
+      - name: Cache PHPStan result cache
+        uses: actions/cache@v4
+        with:
+          path: .phpstan-cache
+          key: phpstan-${{ github.sha }}
+          restore-keys: |
+            phpstan-
+
       - name: Run PHPStan
-        run: composer analyze
+        run: ./vendor/bin/phpstan analyse -c phpstan.neon --memory-limit=1G --no-progress
 
   locale:
     name: Checks / Locale

.gitignore

@@ -21,6 +21,7 @@ appwrite.config.json
 /app/config/specs/
 /docs/examples/
 .phpunit.cache
+.phpstan-cache
 playwright-report
 test-results
 docker-compose.web-installer.yml

phpstan.neon

@@ -3,6 +3,7 @@ includes:
 
 parameters:
   level: 3
+  tmpDir: .phpstan-cache
   paths:
     - src
     - app