fix(ci): add missing env vars for robust CI builds

Add NODE_ENV=test and REDIS_URL so tests run cleanly
and Prisma can resolve all required configuration.

.gitea/workflows/ci.yaml

@@ -30,8 +30,10 @@ jobs:
           git checkout -f "${REF}"
 
           export SKIP_ENV_VALIDATION=1
+          export NODE_ENV=test
           export DATABASE_URL="mysql://test:test@localhost:3306/test?charset=utf8mb4"
           export AUTH_SECRET="ci-test-secret-key-that-is-long-enough"
+          export REDIS_URL="redis://127.0.0.1:6379?connect_timeout=1"
           export ARGON2_MEMORY_SIZE=1024
           export ARGON2_ITERATIONS=1
           export BCRYPT_ROUNDS=4