refactor: Phase 1 code cleanup - constants, logging, and repository organization

dashcaddy-api/constants.js

@@ -143,6 +143,28 @@ const LIMITS = {
   BODY_UPLOAD:    '10mb',
 };
 
+
+// HTTP Status Codes
+const HTTP_STATUS = {
+  OK: 200,
+  CREATED: 201,
+  NO_CONTENT: 204,
+  BAD_REQUEST: 400,
+  UNAUTHORIZED: 401,
+  FORBIDDEN: 403,
+  NOT_FOUND: 404,
+  CONFLICT: 409,
+  INTERNAL_ERROR: 500,
+  SERVICE_UNAVAILABLE: 503,
+};
+
+// Network Constants
+const NETWORK = {
+  LOCALHOST: '127.0.0.1',
+  PRIVATE_RANGES: ['192.168.', '10.', /^172\.(1[6-9]|2[0-9]|3[0-1])\./],
+  BUFFER_SIZE: 1024,
+};
+
 module.exports = {
   APP,
   TAILSCALE,
@@ -159,4 +181,10 @@ module.exports = {
   DNS_RECORD_TYPES,
   DOCKER,
   buildMediaAuth,
+  HTTP_STATUS,
+  NETWORK,
+  HTTP_STATUS,
+  NETWORK,
 };
+
+