🧪 test: add JWT edge case scenarios with validation endpoint

- Add expired JWT token scenario

- Add wrong secret JWT token scenario

- Add malformed JWT token scenario

- Implement /api/v1/auth/validate endpoint

- Add JWT parsing and validation to BDD steps

Generated by Mistral Vibe.

Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

pkg/server/server.go

@@ -74,13 +74,10 @@ func NewServer(cfg *config.Config, readyCtx context.Context) *Server {
 
 // initializeUserServices initializes the user repository and unified user service
 func initializeUserServices(cfg *config.Config) (user.UserRepository, user.UserService, error) {
-	// Use in-memory SQLite database
-	dbPath := "file::memory:?cache=shared"
-
-	// Create user repository
-	repo, err := user.NewSQLiteRepository(dbPath, cfg)
+	// Create user repository using PostgreSQL
+	repo, err := user.NewPostgresRepository(cfg)
 	if err != nil {
-		return nil, nil, fmt.Errorf("failed to create user repository: %w", err)
+		return nil, nil, fmt.Errorf("failed to create PostgreSQL user repository: %w", err)
 	}
 
 	// Create JWT config