merge: master → feat/tests, resolve conflicts + fix all tests

- odstraněn .woodpecker/workflow.yaml (CI přesunuto na Gitea Actions)
- tsconfig.json: exclude src/tests/**/* (feat/tests verze)
- jest.config.js: testEnvironment node + master cesty
- auth/pizza/voting tests: union obou větví, použit resetMemoryStorage()
- service.test.ts: jest.useFakeTimers místo MOCK_DATA=true
- všechny testy: 167/167 PASS

server/jest.config.js

@@ -1,5 +1,6 @@
 module.exports = {
     testEnvironment: 'node',
-    testMatch: ['<rootDir>/src/tests/**/*.test.ts'],
-    setupFiles: ['<rootDir>/src/tests/helpers/setupEnv.ts'],
+    testMatch: ['<rootDir>/src/**/*.test.ts'],
+    testPathIgnorePatterns: ['/node_modules/', '/dist/'],
+    setupFiles: ['<rootDir>/src/tests/setupEnv.ts'],
 };