move to centralized secret

.env.test

@@ -1,37 +0,0 @@
-# .env.test
-# Environment variables for the test environment.
-# This file is loaded by `tsx` when running the `npm run test:integration` command.
-
-# --- Test Database Connection ---
-# IMPORTANT: These should point to your *test* database, not production.
-# These values will be used by the backend server when it starts for integration tests.
-DB_HOST=localhost
-DB_PORT=5432
-DB_USER=flyer_crawler_user
-DB_PASSWORD=WoA2kFtqqHdTLqdZsoCa
-DB_DATABASE=flyer-crawler-test
-DB_NAME=flyer-crawler-test
-
-# --- Test JWT Secret ---
-JWT_SECRET=a-secure-secret-for-testing-only
-
-# --- Other Test Variables ---
-# These can be dummy values if the feature is not being tested directly.
-FRONTEND_URL=http://localhost:3000
-GEMINI_API_KEY=dummy-api-key-for-testing
-
-# --- Worker Configuration ---
-WORKER_CONCURRENCY=5
-
-# --- Redis Connection URL ---
-REDIS_URL=redis://127.0.0.1:6379
-REDIS_PASSWORD=TLLRXw6XadGo2hhGJkHo
-
-# --- Email (SMTP) Configuration for Nodemailer ---
-# For testing, these can be dummy values or point to a local test server like MailHog.
-SMTP_HOST=localhost
-SMTP_PORT=1025
-SMTP_SECURE=false
-SMTP_USER=
-SMTP_PASS=
-SMTP_FROM_EMAIL=noreply@flyer-crawler.projectium.com