feat: redesign superadmin agencies list, implement flat design, add date filters, and fix UI bugs

backend/internal/api/middleware/auth.go

@@ -40,17 +40,33 @@ func Auth(cfg *config.Config) func(http.Handler) http.Handler {
 				return
 			}
 
-			claims, ok := token.Claims.(jwt.MapClaims)
-			if !ok {
-				http.Error(w, "Invalid token claims", http.StatusUnauthorized)
-				return
-			}
+		claims, ok := token.Claims.(jwt.MapClaims)
+		if !ok {
+			http.Error(w, "Invalid token claims", http.StatusUnauthorized)
+			return
+		}
 
-			userID := claims["user_id"].(string)
-			tenantID := claims["tenant_id"].(string)
-			ctx := context.WithValue(r.Context(), UserIDKey, userID)
-			ctx = context.WithValue(ctx, TenantIDKey, tenantID)
-			next.ServeHTTP(w, r.WithContext(ctx))
-		})
-	}
+		// Verificar se user_id existe e é do tipo correto
+		userIDClaim, ok := claims["user_id"]
+		if !ok || userIDClaim == nil {
+			http.Error(w, "Missing user_id in token", http.StatusUnauthorized)
+			return
+		}
+		userID, ok := userIDClaim.(string)
+		if !ok {
+			http.Error(w, "Invalid user_id format in token", http.StatusUnauthorized)
+			return
+		}
+
+		// tenant_id pode ser nil para SuperAdmin
+		var tenantID string
+		if tenantIDClaim, ok := claims["tenant_id"]; ok && tenantIDClaim != nil {
+			tenantID, _ = tenantIDClaim.(string)
+		}
+
+		ctx := context.WithValue(r.Context(), UserIDKey, userID)
+		ctx = context.WithValue(ctx, TenantIDKey, tenantID)
+		next.ServeHTTP(w, r.WithContext(ctx))
+	})
 }
+}