test(api): add API test on contacts

next will be to add CI on it

tests/common/server.env

@@ -0,0 +1,18 @@
+# Shared test-server environment variables.
+# Sourced by tests/api/run.sh (shell) and read by tests/e2e/playwright.config.ts (Node).
+# Do NOT include OXICLOUD_SERVER_PORT or OXICLOUD_STORAGE_PATH here —
+# each test suite sets those to avoid port/directory conflicts.
+
+DATABASE_URL=postgres://oxicloud_test:oxicloud_test@localhost:5433/oxicloud_test
+OXICLOUD_DB_CONNECTION_STRING=postgres://oxicloud_test:oxicloud_test@localhost:5433/oxicloud_test
+OXICLOUD_STATIC_PATH=./static
+OXICLOUD_JWT_SECRET=test-secret-do-not-use-in-prod-minimum-32-chars
+OXICLOUD_ENABLE_AUTH=true
+OXICLOUD_ENABLE_TRASH=true
+OXICLOUD_ENABLE_SEARCH=true
+OXICLOUD_ENABLE_FILE_SHARING=true
+OXICLOUD_ENABLE_MUSIC=true
+OXICLOUD_EXPOSE_SYSTEM_USERS=true
+OXICLOUD_WOPI_ENABLED=false
+OXICLOUD_OIDC_ENABLED=false
+RUST_LOG=info